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-rw-r--r--sound/core/oss/Makefile7
-rw-r--r--sound/core/oss/copy.c31
-rw-r--r--sound/core/oss/io.c27
-rw-r--r--sound/core/oss/linear.c116
-rw-r--r--sound/core/oss/mixer_oss.c275
-rw-r--r--sound/core/oss/mulaw.c106
-rw-r--r--sound/core/oss/pcm_oss.c1263
-rw-r--r--sound/core/oss/pcm_plugin.c402
-rw-r--r--sound/core/oss/pcm_plugin.h45
-rw-r--r--sound/core/oss/plugin_ops.h536
-rw-r--r--sound/core/oss/rate.c121
-rw-r--r--sound/core/oss/route.c496
12 files changed, 1478 insertions, 1947 deletions
diff --git a/sound/core/oss/Makefile b/sound/core/oss/Makefile
index e6d5a045ba2..10a79453245 100644
--- a/sound/core/oss/Makefile
+++ b/sound/core/oss/Makefile
@@ -1,12 +1,13 @@
#
# Makefile for ALSA
-# Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
+# Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
#
snd-mixer-oss-objs := mixer_oss.o
-snd-pcm-oss-objs := pcm_oss.o pcm_plugin.o \
- io.o copy.o linear.o mulaw.o route.o rate.o
+snd-pcm-oss-y := pcm_oss.o
+snd-pcm-oss-$(CONFIG_SND_PCM_OSS_PLUGINS) += pcm_plugin.o \
+ io.o copy.o linear.o mulaw.o route.o rate.o
obj-$(CONFIG_SND_MIXER_OSS) += snd-mixer-oss.o
obj-$(CONFIG_SND_PCM_OSS) += snd-pcm-oss.o
diff --git a/sound/core/oss/copy.c b/sound/core/oss/copy.c
index d6a04c2d5a7..05b58d4fc2b 100644
--- a/sound/core/oss/copy.c
+++ b/sound/core/oss/copy.c
@@ -19,7 +19,6 @@
*
*/
-#include <sound/driver.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -33,17 +32,18 @@ static snd_pcm_sframes_t copy_transfer(struct snd_pcm_plugin *plugin,
unsigned int channel;
unsigned int nchannels;
- snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
+ return -ENXIO;
if (frames == 0)
return 0;
nchannels = plugin->src_format.channels;
for (channel = 0; channel < nchannels; channel++) {
- snd_assert(src_channels->area.first % 8 == 0 &&
- src_channels->area.step % 8 == 0,
- return -ENXIO);
- snd_assert(dst_channels->area.first % 8 == 0 &&
- dst_channels->area.step % 8 == 0,
- return -ENXIO);
+ if (snd_BUG_ON(src_channels->area.first % 8 ||
+ src_channels->area.step % 8))
+ return -ENXIO;
+ if (snd_BUG_ON(dst_channels->area.first % 8 ||
+ dst_channels->area.step % 8))
+ return -ENXIO;
if (!src_channels->enabled) {
if (dst_channels->wanted)
snd_pcm_area_silence(&dst_channels->area, 0, frames, plugin->dst_format.format);
@@ -67,15 +67,20 @@ int snd_pcm_plugin_build_copy(struct snd_pcm_substream *plug,
struct snd_pcm_plugin *plugin;
int width;
- snd_assert(r_plugin != NULL, return -ENXIO);
+ if (snd_BUG_ON(!r_plugin))
+ return -ENXIO;
*r_plugin = NULL;
- snd_assert(src_format->format == dst_format->format, return -ENXIO);
- snd_assert(src_format->rate == dst_format->rate, return -ENXIO);
- snd_assert(src_format->channels == dst_format->channels, return -ENXIO);
+ if (snd_BUG_ON(src_format->format != dst_format->format))
+ return -ENXIO;
+ if (snd_BUG_ON(src_format->rate != dst_format->rate))
+ return -ENXIO;
+ if (snd_BUG_ON(src_format->channels != dst_format->channels))
+ return -ENXIO;
width = snd_pcm_format_physical_width(src_format->format);
- snd_assert(width > 0, return -ENXIO);
+ if (snd_BUG_ON(width <= 0))
+ return -ENXIO;
err = snd_pcm_plugin_build(plug, "copy", src_format, dst_format,
0, &plugin);
diff --git a/sound/core/oss/io.c b/sound/core/oss/io.c
index 322702e05f3..6faa1d71920 100644
--- a/sound/core/oss/io.c
+++ b/sound/core/oss/io.c
@@ -1,6 +1,6 @@
/*
* PCM I/O Plug-In Interface
- * Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
*
*
* This library is free software; you can redistribute it and/or modify
@@ -19,7 +19,6 @@
*
*/
-#include <sound/driver.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -40,14 +39,17 @@ static snd_pcm_sframes_t io_playback_transfer(struct snd_pcm_plugin *plugin,
struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
- snd_assert(plugin != NULL, return -ENXIO);
- snd_assert(src_channels != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plugin))
+ return -ENXIO;
+ if (snd_BUG_ON(!src_channels))
+ return -ENXIO;
if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) {
return pcm_write(plugin->plug, src_channels->area.addr, frames);
} else {
int channel, channels = plugin->dst_format.channels;
void **bufs = (void**)plugin->extra_data;
- snd_assert(bufs != NULL, return -ENXIO);
+ if (snd_BUG_ON(!bufs))
+ return -ENXIO;
for (channel = 0; channel < channels; channel++) {
if (src_channels[channel].enabled)
bufs[channel] = src_channels[channel].area.addr;
@@ -63,14 +65,17 @@ static snd_pcm_sframes_t io_capture_transfer(struct snd_pcm_plugin *plugin,
struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
- snd_assert(plugin != NULL, return -ENXIO);
- snd_assert(dst_channels != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plugin))
+ return -ENXIO;
+ if (snd_BUG_ON(!dst_channels))
+ return -ENXIO;
if (plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED) {
return pcm_read(plugin->plug, dst_channels->area.addr, frames);
} else {
int channel, channels = plugin->dst_format.channels;
void **bufs = (void**)plugin->extra_data;
- snd_assert(bufs != NULL, return -ENXIO);
+ if (snd_BUG_ON(!bufs))
+ return -ENXIO;
for (channel = 0; channel < channels; channel++) {
if (dst_channels[channel].enabled)
bufs[channel] = dst_channels[channel].area.addr;
@@ -108,9 +113,11 @@ int snd_pcm_plugin_build_io(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_format format;
struct snd_pcm_plugin *plugin;
- snd_assert(r_plugin != NULL, return -ENXIO);
+ if (snd_BUG_ON(!r_plugin))
+ return -ENXIO;
*r_plugin = NULL;
- snd_assert(plug != NULL && params != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plug || !params))
+ return -ENXIO;
format.format = params_format(params);
format.rate = params_rate(params);
format.channels = params_channels(params);
diff --git a/sound/core/oss/linear.c b/sound/core/oss/linear.c
index 8cbfa415ce4..2045697f449 100644
--- a/sound/core/oss/linear.c
+++ b/sound/core/oss/linear.c
@@ -1,6 +1,6 @@
/*
* Linear conversion Plug-In
- * Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>,
+ * Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>,
* Abramo Bagnara <abramo@alsa-project.org>
*
*
@@ -20,7 +20,6 @@
*
*/
-#include <sound/driver.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -31,19 +30,34 @@
*/
struct linear_priv {
- int conv;
+ int cvt_endian; /* need endian conversion? */
+ unsigned int src_ofs; /* byte offset in source format */
+ unsigned int dst_ofs; /* byte soffset in destination format */
+ unsigned int copy_ofs; /* byte offset in temporary u32 data */
+ unsigned int dst_bytes; /* byte size of destination format */
+ unsigned int copy_bytes; /* bytes to copy per conversion */
+ unsigned int flip; /* MSB flip for signeness, done after endian conv */
};
+static inline void do_convert(struct linear_priv *data,
+ unsigned char *dst, unsigned char *src)
+{
+ unsigned int tmp = 0;
+ unsigned char *p = (unsigned char *)&tmp;
+
+ memcpy(p + data->copy_ofs, src + data->src_ofs, data->copy_bytes);
+ if (data->cvt_endian)
+ tmp = swab32(tmp);
+ tmp ^= data->flip;
+ memcpy(dst, p + data->dst_ofs, data->dst_bytes);
+}
+
static void convert(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
-#define CONV_LABELS
-#include "plugin_ops.h"
-#undef CONV_LABELS
struct linear_priv *data = (struct linear_priv *)plugin->extra_data;
- void *conv = conv_labels[data->conv];
int channel;
int nchannels = plugin->src_format.channels;
for (channel = 0; channel < nchannels; ++channel) {
@@ -64,11 +78,7 @@ static void convert(struct snd_pcm_plugin *plugin,
dst_step = dst_channels[channel].area.step / 8;
frames1 = frames;
while (frames1-- > 0) {
- goto *conv;
-#define CONV_END after
-#include "plugin_ops.h"
-#undef CONV_END
- after:
+ do_convert(data, dst, src);
src += src_step;
dst += dst_step;
}
@@ -80,22 +90,20 @@ static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin,
struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
- struct linear_priv *data;
-
- snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
- data = (struct linear_priv *)plugin->extra_data;
+ if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
+ return -ENXIO;
if (frames == 0)
return 0;
#ifdef CONFIG_SND_DEBUG
{
unsigned int channel;
for (channel = 0; channel < plugin->src_format.channels; channel++) {
- snd_assert(src_channels[channel].area.first % 8 == 0 &&
- src_channels[channel].area.step % 8 == 0,
- return -ENXIO);
- snd_assert(dst_channels[channel].area.first % 8 == 0 &&
- dst_channels[channel].area.step % 8 == 0,
- return -ENXIO);
+ if (snd_BUG_ON(src_channels[channel].area.first % 8 ||
+ src_channels[channel].area.step % 8))
+ return -ENXIO;
+ if (snd_BUG_ON(dst_channels[channel].area.first % 8 ||
+ dst_channels[channel].area.step % 8))
+ return -ENXIO;
}
}
#endif
@@ -103,29 +111,37 @@ static snd_pcm_sframes_t linear_transfer(struct snd_pcm_plugin *plugin,
return frames;
}
-int conv_index(int src_format, int dst_format)
+static void init_data(struct linear_priv *data,
+ snd_pcm_format_t src_format, snd_pcm_format_t dst_format)
{
- int src_endian, dst_endian, sign, src_width, dst_width;
-
- sign = (snd_pcm_format_signed(src_format) !=
- snd_pcm_format_signed(dst_format));
-#ifdef SNDRV_LITTLE_ENDIAN
- src_endian = snd_pcm_format_big_endian(src_format);
- dst_endian = snd_pcm_format_big_endian(dst_format);
-#else
- src_endian = snd_pcm_format_little_endian(src_format);
- dst_endian = snd_pcm_format_little_endian(dst_format);
-#endif
+ int src_le, dst_le, src_bytes, dst_bytes;
- if (src_endian < 0)
- src_endian = 0;
- if (dst_endian < 0)
- dst_endian = 0;
+ src_bytes = snd_pcm_format_width(src_format) / 8;
+ dst_bytes = snd_pcm_format_width(dst_format) / 8;
+ src_le = snd_pcm_format_little_endian(src_format) > 0;
+ dst_le = snd_pcm_format_little_endian(dst_format) > 0;
- src_width = snd_pcm_format_width(src_format) / 8 - 1;
- dst_width = snd_pcm_format_width(dst_format) / 8 - 1;
-
- return src_width * 32 + src_endian * 16 + sign * 8 + dst_width * 2 + dst_endian;
+ data->dst_bytes = dst_bytes;
+ data->cvt_endian = src_le != dst_le;
+ data->copy_bytes = src_bytes < dst_bytes ? src_bytes : dst_bytes;
+ if (src_le) {
+ data->copy_ofs = 4 - data->copy_bytes;
+ data->src_ofs = src_bytes - data->copy_bytes;
+ } else
+ data->src_ofs = snd_pcm_format_physical_width(src_format) / 8 -
+ src_bytes;
+ if (dst_le)
+ data->dst_ofs = 4 - data->dst_bytes;
+ else
+ data->dst_ofs = snd_pcm_format_physical_width(dst_format) / 8 -
+ dst_bytes;
+ if (snd_pcm_format_signed(src_format) !=
+ snd_pcm_format_signed(dst_format)) {
+ if (dst_le)
+ data->flip = (__force u32)cpu_to_le32(0x80000000);
+ else
+ data->flip = (__force u32)cpu_to_be32(0x80000000);
+ }
}
int snd_pcm_plugin_build_linear(struct snd_pcm_substream *plug,
@@ -137,13 +153,17 @@ int snd_pcm_plugin_build_linear(struct snd_pcm_substream *plug,
struct linear_priv *data;
struct snd_pcm_plugin *plugin;
- snd_assert(r_plugin != NULL, return -ENXIO);
+ if (snd_BUG_ON(!r_plugin))
+ return -ENXIO;
*r_plugin = NULL;
- snd_assert(src_format->rate == dst_format->rate, return -ENXIO);
- snd_assert(src_format->channels == dst_format->channels, return -ENXIO);
- snd_assert(snd_pcm_format_linear(src_format->format) &&
- snd_pcm_format_linear(dst_format->format), return -ENXIO);
+ if (snd_BUG_ON(src_format->rate != dst_format->rate))
+ return -ENXIO;
+ if (snd_BUG_ON(src_format->channels != dst_format->channels))
+ return -ENXIO;
+ if (snd_BUG_ON(!snd_pcm_format_linear(src_format->format) ||
+ !snd_pcm_format_linear(dst_format->format)))
+ return -ENXIO;
err = snd_pcm_plugin_build(plug, "linear format conversion",
src_format, dst_format,
@@ -151,7 +171,7 @@ int snd_pcm_plugin_build_linear(struct snd_pcm_substream *plug,
if (err < 0)
return err;
data = (struct linear_priv *)plugin->extra_data;
- data->conv = conv_index(src_format->format, dst_format->format);
+ init_data(data, src_format->format, dst_format->format);
plugin->transfer = linear_transfer;
*r_plugin = plugin;
return 0;
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index f08e65a2bff..5e6349f00ec 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -1,6 +1,6 @@
/*
* OSS emulation layer for the mixer interface
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
@@ -19,12 +19,11 @@
*
*/
-#include <sound/driver.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/string.h>
+#include <linux/module.h>
#include <sound/core.h>
#include <sound/minors.h>
#include <sound/control.h>
@@ -34,7 +33,7 @@
#define OSS_ALSAEMULVER _SIOR ('M', 249, int)
-MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>");
MODULE_DESCRIPTION("Mixer OSS emulation for ALSA.");
MODULE_LICENSE("GPL");
MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_MIXER);
@@ -45,18 +44,27 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file)
struct snd_mixer_oss_file *fmixer;
int err;
+ err = nonseekable_open(inode, file);
+ if (err < 0)
+ return err;
+
card = snd_lookup_oss_minor_data(iminor(inode),
SNDRV_OSS_DEVICE_TYPE_MIXER);
if (card == NULL)
return -ENODEV;
- if (card->mixer_oss == NULL)
+ if (card->mixer_oss == NULL) {
+ snd_card_unref(card);
return -ENODEV;
+ }
err = snd_card_file_add(card, file);
- if (err < 0)
+ if (err < 0) {
+ snd_card_unref(card);
return err;
+ }
fmixer = kzalloc(sizeof(*fmixer), GFP_KERNEL);
if (fmixer == NULL) {
snd_card_file_remove(card, file);
+ snd_card_unref(card);
return -ENOMEM;
}
fmixer->card = card;
@@ -65,8 +73,10 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file)
if (!try_module_get(card->module)) {
kfree(fmixer);
snd_card_file_remove(card, file);
+ snd_card_unref(card);
return -EFAULT;
}
+ snd_card_unref(card);
return 0;
}
@@ -75,7 +85,7 @@ static int snd_mixer_oss_release(struct inode *inode, struct file *file)
struct snd_mixer_oss_file *fmixer;
if (file->private_data) {
- fmixer = (struct snd_mixer_oss_file *) file->private_data;
+ fmixer = file->private_data;
module_put(fmixer->card->module);
snd_card_file_remove(fmixer->card, file);
kfree(fmixer);
@@ -188,9 +198,10 @@ static int snd_mixer_oss_get_recsrc(struct snd_mixer_oss_file *fmixer)
return -EIO;
if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */
int err;
- if ((err = mixer->get_recsrc(fmixer, &result)) < 0)
+ unsigned int index;
+ if ((err = mixer->get_recsrc(fmixer, &index)) < 0)
return err;
- result = 1 << result;
+ result = 1 << index;
} else {
struct snd_mixer_oss_slot *pslot;
int chn;
@@ -212,6 +223,7 @@ static int snd_mixer_oss_set_recsrc(struct snd_mixer_oss_file *fmixer, int recsr
struct snd_mixer_oss *mixer = fmixer->mixer;
struct snd_mixer_oss_slot *pslot;
int chn, active;
+ unsigned int index;
int result = 0;
if (mixer == NULL)
@@ -220,8 +232,8 @@ static int snd_mixer_oss_set_recsrc(struct snd_mixer_oss_file *fmixer, int recsr
if (recsrc & ~mixer->oss_recsrc)
recsrc &= ~mixer->oss_recsrc;
mixer->put_recsrc(fmixer, ffz(~recsrc));
- mixer->get_recsrc(fmixer, &result);
- result = 1 << result;
+ mixer->get_recsrc(fmixer, &index);
+ result = 1 << index;
}
for (chn = 0; chn < 31; chn++) {
pslot = &mixer->slots[chn];
@@ -259,8 +271,10 @@ static int snd_mixer_oss_get_volume(struct snd_mixer_oss_file *fmixer, int slot)
result = pslot->get_volume(fmixer, pslot, &left, &right);
if (!pslot->stereo)
right = left;
- snd_assert(left >= 0 && left <= 100, return -EIO);
- snd_assert(right >= 0 && right <= 100, return -EIO);
+ if (snd_BUG_ON(left < 0 || left > 100))
+ return -EIO;
+ if (snd_BUG_ON(right < 0 || right > 100))
+ return -EIO;
if (result >= 0) {
pslot->volume[0] = left;
pslot->volume[1] = right;
@@ -300,7 +314,8 @@ static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int
int __user *p = argp;
int tmp;
- snd_assert(fmixer != NULL, return -ENXIO);
+ if (snd_BUG_ON(!fmixer))
+ return -ENXIO;
if (((cmd >> 8) & 0xff) == 'M') {
switch (cmd) {
case SOUND_MIXER_INFO:
@@ -363,14 +378,15 @@ static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int
static long snd_mixer_oss_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
- return snd_mixer_oss_ioctl1((struct snd_mixer_oss_file *) file->private_data, cmd, arg);
+ return snd_mixer_oss_ioctl1(file->private_data, cmd, arg);
}
int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned long arg)
{
struct snd_mixer_oss_file fmixer;
- snd_assert(card != NULL, return -ENXIO);
+ if (snd_BUG_ON(!card))
+ return -ENXIO;
if (card->mixer_oss == NULL)
return -ENXIO;
memset(&fmixer, 0, sizeof(fmixer));
@@ -390,11 +406,12 @@ int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned l
* REGISTRATION PART
*/
-static struct file_operations snd_mixer_oss_f_ops =
+static const struct file_operations snd_mixer_oss_f_ops =
{
.owner = THIS_MODULE,
.open = snd_mixer_oss_open,
.release = snd_mixer_oss_release,
+ .llseek = no_llseek,
.unlocked_ioctl = snd_mixer_oss_ioctl,
.compat_ioctl = snd_mixer_oss_ioctl_compat,
};
@@ -490,7 +507,7 @@ static struct snd_kcontrol *snd_mixer_oss_test_id(struct snd_mixer_oss *mixer, c
memset(&id, 0, sizeof(id));
id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
- strcpy(id.name, name);
+ strlcpy(id.name, name, sizeof(id.name));
id.index = index;
return snd_ctl_find_id(card, &id);
}
@@ -575,7 +592,7 @@ static int snd_mixer_oss_get_volume1(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *pslot,
int *left, int *right)
{
- struct slot *slot = (struct slot *)pslot->private_data;
+ struct slot *slot = pslot->private_data;
*left = *right = 100;
if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) {
@@ -611,8 +628,10 @@ static void snd_mixer_oss_put_volume1_vol(struct snd_mixer_oss_file *fmixer,
if (numid == ID_UNKNOWN)
return;
down_read(&card->controls_rwsem);
- if ((kctl = snd_ctl_find_numid(card, numid)) == NULL)
+ if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) {
+ up_read(&card->controls_rwsem);
return;
+ }
uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL)
@@ -651,7 +670,7 @@ static void snd_mixer_oss_put_volume1_sw(struct snd_mixer_oss_file *fmixer,
return;
down_read(&card->controls_rwsem);
if ((kctl = snd_ctl_find_numid(card, numid)) == NULL) {
- up_read(&fmixer->card->controls_rwsem);
+ up_read(&card->controls_rwsem);
return;
}
uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
@@ -684,12 +703,15 @@ static int snd_mixer_oss_put_volume1(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *pslot,
int left, int right)
{
- struct slot *slot = (struct slot *)pslot->private_data;
+ struct slot *slot = pslot->private_data;
if (slot->present & SNDRV_MIXER_OSS_PRESENT_PVOLUME) {
snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PVOLUME], left, right);
if (slot->present & SNDRV_MIXER_OSS_PRESENT_CVOLUME)
snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CVOLUME], left, right);
+ } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CVOLUME) {
+ snd_mixer_oss_put_volume1_vol(fmixer, pslot,
+ slot->numid[SNDRV_MIXER_OSS_ITEM_CVOLUME], left, right);
} else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GVOLUME) {
snd_mixer_oss_put_volume1_vol(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GVOLUME], left, right);
} else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GLOBAL) {
@@ -698,19 +720,27 @@ static int snd_mixer_oss_put_volume1(struct snd_mixer_oss_file *fmixer,
if (left || right) {
if (slot->present & SNDRV_MIXER_OSS_PRESENT_PSWITCH)
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PSWITCH], left, right, 0);
+ if (slot->present & SNDRV_MIXER_OSS_PRESENT_CSWITCH)
+ snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], left, right, 0);
if (slot->present & SNDRV_MIXER_OSS_PRESENT_GSWITCH)
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GSWITCH], left, right, 0);
if (slot->present & SNDRV_MIXER_OSS_PRESENT_PROUTE)
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PROUTE], left, right, 1);
+ if (slot->present & SNDRV_MIXER_OSS_PRESENT_CROUTE)
+ snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], left, right, 1);
if (slot->present & SNDRV_MIXER_OSS_PRESENT_GROUTE)
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GROUTE], left, right, 1);
} else {
if (slot->present & SNDRV_MIXER_OSS_PRESENT_PSWITCH) {
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PSWITCH], left, right, 0);
+ } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CSWITCH) {
+ snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], left, right, 0);
} else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GSWITCH) {
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GSWITCH], left, right, 0);
} else if (slot->present & SNDRV_MIXER_OSS_PRESENT_PROUTE) {
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_PROUTE], left, right, 1);
+ } else if (slot->present & SNDRV_MIXER_OSS_PRESENT_CROUTE) {
+ snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], left, right, 1);
} else if (slot->present & SNDRV_MIXER_OSS_PRESENT_GROUTE) {
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_GROUTE], left, right, 1);
}
@@ -722,7 +752,7 @@ static int snd_mixer_oss_get_recsrc1_sw(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *pslot,
int *active)
{
- struct slot *slot = (struct slot *)pslot->private_data;
+ struct slot *slot = pslot->private_data;
int left, right;
left = right = 1;
@@ -735,7 +765,7 @@ static int snd_mixer_oss_get_recsrc1_route(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *pslot,
int *active)
{
- struct slot *slot = (struct slot *)pslot->private_data;
+ struct slot *slot = pslot->private_data;
int left, right;
left = right = 1;
@@ -748,7 +778,7 @@ static int snd_mixer_oss_put_recsrc1_sw(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *pslot,
int active)
{
- struct slot *slot = (struct slot *)pslot->private_data;
+ struct slot *slot = pslot->private_data;
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CSWITCH], active, active, 0);
return 0;
@@ -758,7 +788,7 @@ static int snd_mixer_oss_put_recsrc1_route(struct snd_mixer_oss_file *fmixer,
struct snd_mixer_oss_slot *pslot,
int active)
{
- struct slot *slot = (struct slot *)pslot->private_data;
+ struct slot *slot = pslot->private_data;
snd_mixer_oss_put_volume1_sw(fmixer, pslot, slot->numid[SNDRV_MIXER_OSS_ITEM_CROUTE], active, active, 1);
return 0;
@@ -779,7 +809,7 @@ static int snd_mixer_oss_get_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL) {
err = -ENOMEM;
- goto __unlock;
+ goto __free_only;
}
down_read(&card->controls_rwsem);
kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
@@ -795,7 +825,7 @@ static int snd_mixer_oss_get_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
if (!(mixer->mask_recsrc & (1 << idx)))
continue;
pslot = &mixer->slots[idx];
- slot = (struct slot *)pslot->private_data;
+ slot = pslot->private_data;
if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE)
continue;
if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE))
@@ -808,6 +838,7 @@ static int snd_mixer_oss_get_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
err = 0;
__unlock:
up_read(&card->controls_rwsem);
+ __free_only:
kfree(uctl);
kfree(uinfo);
return err;
@@ -829,7 +860,7 @@ static int snd_mixer_oss_put_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
uctl = kzalloc(sizeof(*uctl), GFP_KERNEL);
if (uinfo == NULL || uctl == NULL) {
err = -ENOMEM;
- goto __unlock;
+ goto __free_only;
}
down_read(&card->controls_rwsem);
kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0);
@@ -843,7 +874,7 @@ static int snd_mixer_oss_put_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
if (!(mixer->mask_recsrc & (1 << idx)))
continue;
pslot = &mixer->slots[idx];
- slot = (struct slot *)pslot->private_data;
+ slot = pslot->private_data;
if (slot->signature != SNDRV_MIXER_OSS_SIGNATURE)
continue;
if (!(slot->present & SNDRV_MIXER_OSS_PRESENT_CAPTURE))
@@ -862,6 +893,7 @@ static int snd_mixer_oss_put_recsrc2(struct snd_mixer_oss_file *fmixer, unsigned
err = 0;
__unlock:
up_read(&card->controls_rwsem);
+ __free_only:
kfree(uctl);
kfree(uinfo);
return err;
@@ -907,7 +939,7 @@ static int snd_mixer_oss_build_test(struct snd_mixer_oss *mixer, struct slot *sl
static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn)
{
- struct slot *p = (struct slot *)chn->private_data;
+ struct slot *p = chn->private_data;
if (p) {
if (p->allocated && p->assigned) {
kfree(p->assigned->name);
@@ -926,6 +958,68 @@ static void mixer_slot_clear(struct snd_mixer_oss_slot *rslot)
rslot->number = idx;
}
+/* In a separate function to keep gcc 3.2 happy - do NOT merge this in
+ snd_mixer_oss_build_input! */
+static int snd_mixer_oss_build_test_all(struct snd_mixer_oss *mixer,
+ struct snd_mixer_oss_assign_table *ptr,
+ struct slot *slot)
+{
+ char str[64];
+ int err;
+
+ err = snd_mixer_oss_build_test(mixer, slot, ptr->name, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_GLOBAL);
+ if (err)
+ return err;
+ sprintf(str, "%s Switch", ptr->name);
+ err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_GSWITCH);
+ if (err)
+ return err;
+ sprintf(str, "%s Route", ptr->name);
+ err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_GROUTE);
+ if (err)
+ return err;
+ sprintf(str, "%s Volume", ptr->name);
+ err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_GVOLUME);
+ if (err)
+ return err;
+ sprintf(str, "%s Playback Switch", ptr->name);
+ err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_PSWITCH);
+ if (err)
+ return err;
+ sprintf(str, "%s Playback Route", ptr->name);
+ err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_PROUTE);
+ if (err)
+ return err;
+ sprintf(str, "%s Playback Volume", ptr->name);
+ err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_PVOLUME);
+ if (err)
+ return err;
+ sprintf(str, "%s Capture Switch", ptr->name);
+ err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_CSWITCH);
+ if (err)
+ return err;
+ sprintf(str, "%s Capture Route", ptr->name);
+ err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_CROUTE);
+ if (err)
+ return err;
+ sprintf(str, "%s Capture Volume", ptr->name);
+ err = snd_mixer_oss_build_test(mixer, slot, str, ptr->index,
+ SNDRV_MIXER_OSS_ITEM_CVOLUME);
+ if (err)
+ return err;
+
+ return 0;
+}
+
/*
* build an OSS mixer element.
* ptr_allocated means the entry is dynamically allocated (change via proc file).
@@ -945,58 +1039,21 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix
memset(&slot, 0, sizeof(slot));
memset(slot.numid, 0xff, sizeof(slot.numid)); /* ID_UNKNOWN */
- if (snd_mixer_oss_build_test(mixer, &slot, ptr->name, ptr->index,
- SNDRV_MIXER_OSS_ITEM_GLOBAL))
- return 0;
- sprintf(str, "%s Switch", ptr->name);
- if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
- SNDRV_MIXER_OSS_ITEM_GSWITCH))
- return 0;
- sprintf(str, "%s Route", ptr->name);
- if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
- SNDRV_MIXER_OSS_ITEM_GROUTE))
- return 0;
- sprintf(str, "%s Volume", ptr->name);
- if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
- SNDRV_MIXER_OSS_ITEM_GVOLUME))
- return 0;
- sprintf(str, "%s Playback Switch", ptr->name);
- if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
- SNDRV_MIXER_OSS_ITEM_PSWITCH))
- return 0;
- sprintf(str, "%s Playback Route", ptr->name);
- if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
- SNDRV_MIXER_OSS_ITEM_PROUTE))
- return 0;
- sprintf(str, "%s Playback Volume", ptr->name);
- if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
- SNDRV_MIXER_OSS_ITEM_PVOLUME))
- return 0;
- sprintf(str, "%s Capture Switch", ptr->name);
- if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
- SNDRV_MIXER_OSS_ITEM_CSWITCH))
- return 0;
- sprintf(str, "%s Capture Route", ptr->name);
- if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
- SNDRV_MIXER_OSS_ITEM_CROUTE))
- return 0;
- sprintf(str, "%s Capture Volume", ptr->name);
- if (snd_mixer_oss_build_test(mixer, &slot, str, ptr->index,
- SNDRV_MIXER_OSS_ITEM_CVOLUME))
+ if (snd_mixer_oss_build_test_all(mixer, ptr, &slot))
return 0;
down_read(&mixer->card->controls_rwsem);
if (ptr->index == 0 && (kctl = snd_mixer_oss_test_id(mixer, "Capture Source", 0)) != NULL) {
struct snd_ctl_elem_info *uinfo;
- uinfo = kmalloc(sizeof(*uinfo), GFP_KERNEL);
+ uinfo = kzalloc(sizeof(*uinfo), GFP_KERNEL);
if (! uinfo) {
up_read(&mixer->card->controls_rwsem);
return -ENOMEM;
}
- memset(uinfo, 0, sizeof(*uinfo));
if (kctl->info(kctl, uinfo)) {
up_read(&mixer->card->controls_rwsem);
+ kfree(uinfo);
return 0;
}
strcpy(str, ptr->name);
@@ -1012,6 +1069,7 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix
uinfo->value.enumerated.item = slot.capture_item;
if (kctl->info(kctl, uinfo)) {
up_read(&mixer->card->controls_rwsem);
+ kfree(uinfo);
return 0;
}
if (!strcmp(uinfo->value.enumerated.name, str)) {
@@ -1024,7 +1082,7 @@ static int snd_mixer_oss_build_input(struct snd_mixer_oss *mixer, struct snd_mix
}
up_read(&mixer->card->controls_rwsem);
if (slot.present != 0) {
- pslot = (struct slot *)kmalloc(sizeof(slot), GFP_KERNEL);
+ pslot = kmalloc(sizeof(slot), GFP_KERNEL);
if (! pslot)
return -ENOMEM;
*pslot = slot;
@@ -1095,7 +1153,7 @@ static void snd_mixer_oss_proc_read(struct snd_info_entry *entry,
struct snd_mixer_oss *mixer = entry->private_data;
int i;
- down(&mixer->reg_mutex);
+ mutex_lock(&mixer->reg_mutex);
for (i = 0; i < SNDRV_OSS_MAX_MIXERS; i++) {
struct slot *p;
@@ -1110,14 +1168,15 @@ static void snd_mixer_oss_proc_read(struct snd_info_entry *entry,
else
snd_iprintf(buffer, "\"\" 0\n");
}
- up(&mixer->reg_mutex);
+ mutex_unlock(&mixer->reg_mutex);
}
static void snd_mixer_oss_proc_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_mixer_oss *mixer = entry->private_data;
- char line[128], str[32], idxstr[16], *cptr;
+ char line[128], str[32], idxstr[16];
+ const char *cptr;
int ch, idx;
struct snd_mixer_oss_assign_table *tbl;
struct slot *slot;
@@ -1128,24 +1187,25 @@ static void snd_mixer_oss_proc_write(struct snd_info_entry *entry,
if (oss_mixer_names[ch] && strcmp(oss_mixer_names[ch], str) == 0)
break;
if (ch >= SNDRV_OSS_MAX_MIXERS) {
- snd_printk(KERN_ERR "mixer_oss: invalid OSS volume '%s'\n", str);
+ pr_err("ALSA: mixer_oss: invalid OSS volume '%s'\n",
+ str);
continue;
}
cptr = snd_info_get_str(str, cptr, sizeof(str));
if (! *str) {
/* remove the entry */
- down(&mixer->reg_mutex);
+ mutex_lock(&mixer->reg_mutex);
mixer_slot_clear(&mixer->slots[ch]);
- up(&mixer->reg_mutex);
+ mutex_unlock(&mixer->reg_mutex);
continue;
}
snd_info_get_str(idxstr, cptr, sizeof(idxstr));
idx = simple_strtoul(idxstr, NULL, 10);
if (idx >= 0x4000) { /* too big */
- snd_printk(KERN_ERR "mixer_oss: invalid index %d\n", idx);
+ pr_err("ALSA: mixer_oss: invalid index %d\n", idx);
continue;
}
- down(&mixer->reg_mutex);
+ mutex_lock(&mixer->reg_mutex);
slot = (struct slot *)mixer->slots[ch].private_data;
if (slot && slot->assigned &&
slot->assigned->index == idx && ! strcmp(slot->assigned->name, str))
@@ -1153,7 +1213,7 @@ static void snd_mixer_oss_proc_write(struct snd_info_entry *entry,
goto __unlock;
tbl = kmalloc(sizeof(*tbl), GFP_KERNEL);
if (! tbl) {
- snd_printk(KERN_ERR "mixer_oss: no memory\n");
+ pr_err("ALSA: mixer_oss: no memory\n");
goto __unlock;
}
tbl->oss_id = ch;
@@ -1168,7 +1228,7 @@ static void snd_mixer_oss_proc_write(struct snd_info_entry *entry,
kfree(tbl);
}
__unlock:
- up(&mixer->reg_mutex);
+ mutex_unlock(&mixer->reg_mutex);
}
}
@@ -1182,9 +1242,7 @@ static void snd_mixer_oss_proc_init(struct snd_mixer_oss *mixer)
return;
entry->content = SNDRV_INFO_CONTENT_TEXT;
entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
- entry->c.text.read_size = 8192;
entry->c.text.read = snd_mixer_oss_proc_read;
- entry->c.text.write_size = 8192;
entry->c.text.write = snd_mixer_oss_proc_write;
entry->private_data = mixer;
if (snd_info_register(entry) < 0) {
@@ -1196,10 +1254,8 @@ static void snd_mixer_oss_proc_init(struct snd_mixer_oss *mixer)
static void snd_mixer_oss_proc_done(struct snd_mixer_oss *mixer)
{
- if (mixer->proc_entry) {
- snd_info_unregister(mixer->proc_entry);
- mixer->proc_entry = NULL;
- }
+ snd_info_free_entry(mixer->proc_entry);
+ mixer->proc_entry = NULL;
}
#else /* !CONFIG_PROC_FS */
#define snd_mixer_oss_proc_init(mix)
@@ -1217,7 +1273,9 @@ static void snd_mixer_oss_build(struct snd_mixer_oss *mixer)
{ SOUND_MIXER_SYNTH, "FM", 0 }, /* fallback */
{ SOUND_MIXER_SYNTH, "Music", 0 }, /* fallback */
{ SOUND_MIXER_PCM, "PCM", 0 },
- { SOUND_MIXER_SPEAKER, "PC Speaker", 0 },
+ { SOUND_MIXER_SPEAKER, "Beep", 0 },
+ { SOUND_MIXER_SPEAKER, "PC Speaker", 0 }, /* fallback */
+ { SOUND_MIXER_SPEAKER, "Speaker", 0 }, /* fallback */
{ SOUND_MIXER_LINE, "Line", 0 },
{ SOUND_MIXER_MIC, "Mic", 0 },
{ SOUND_MIXER_CD, "CD", 0 },
@@ -1239,6 +1297,8 @@ static void snd_mixer_oss_build(struct snd_mixer_oss *mixer)
{ SOUND_MIXER_DIGITAL3, "Digital", 2 },
{ SOUND_MIXER_PHONEIN, "Phone", 0 },
{ SOUND_MIXER_PHONEOUT, "Master Mono", 0 },
+ { SOUND_MIXER_PHONEOUT, "Speaker", 0 }, /*fallback*/
+ { SOUND_MIXER_PHONEOUT, "Mono", 0 }, /*fallback*/
{ SOUND_MIXER_PHONEOUT, "Phone", 0 }, /* fallback */
{ SOUND_MIXER_VIDEO, "Video", 0 },
{ SOUND_MIXER_RADIO, "Radio", 0 },
@@ -1264,9 +1324,11 @@ static int snd_mixer_oss_free1(void *private)
struct snd_card *card;
int idx;
- snd_assert(mixer != NULL, return -ENXIO);
+ if (!mixer)
+ return 0;
card = mixer->card;
- snd_assert(mixer == card->mixer_oss, return -ENXIO);
+ if (snd_BUG_ON(mixer != card->mixer_oss))
+ return -ENXIO;
card->mixer_oss = NULL;
for (idx = 0; idx < SNDRV_OSS_MAX_MIXERS; idx++) {
struct snd_mixer_oss_slot *chn = &mixer->slots[idx];
@@ -1282,20 +1344,18 @@ static int snd_mixer_oss_notify_handler(struct snd_card *card, int cmd)
struct snd_mixer_oss *mixer;
if (cmd == SND_MIXER_OSS_NOTIFY_REGISTER) {
- char name[128];
int idx, err;
mixer = kcalloc(2, sizeof(*mixer), GFP_KERNEL);
if (mixer == NULL)
return -ENOMEM;
- init_MUTEX(&mixer->reg_mutex);
- sprintf(name, "mixer%i%i", card->number, 0);
+ mutex_init(&mixer->reg_mutex);
if ((err = snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER,
card, 0,
- &snd_mixer_oss_f_ops, card,
- name)) < 0) {
- snd_printk(KERN_ERR "unable to register OSS mixer device %i:%i\n",
- card->number, 0);
+ &snd_mixer_oss_f_ops, card)) < 0) {
+ dev_err(card->dev,
+ "unable to register OSS mixer device %i:%i\n",
+ card->number, 0);
kfree(mixer);
return err;
}
@@ -1304,7 +1364,8 @@ static int snd_mixer_oss_notify_handler(struct snd_card *card, int cmd)
if (*card->mixername)
strlcpy(mixer->name, card->mixername, sizeof(mixer->name));
else
- strlcpy(mixer->name, name, sizeof(mixer->name));
+ snprintf(mixer->name, sizeof(mixer->name),
+ "mixer%i", card->number);
#ifdef SNDRV_OSS_INFO_DEV_MIXERS
snd_oss_info_register(SNDRV_OSS_INFO_DEV_MIXERS,
card->number,
@@ -1315,21 +1376,19 @@ static int snd_mixer_oss_notify_handler(struct snd_card *card, int cmd)
card->mixer_oss = mixer;
snd_mixer_oss_build(mixer);
snd_mixer_oss_proc_init(mixer);
- } else if (cmd == SND_MIXER_OSS_NOTIFY_DISCONNECT) {
- mixer = card->mixer_oss;
- if (mixer == NULL || !mixer->oss_dev_alloc)
- return 0;
- snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER, mixer->card, 0);
- mixer->oss_dev_alloc = 0;
- } else { /* free */
+ } else {
mixer = card->mixer_oss;
if (mixer == NULL)
return 0;
+ if (mixer->oss_dev_alloc) {
#ifdef SNDRV_OSS_INFO_DEV_MIXERS
- snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_MIXERS, mixer->card->number);
+ snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_MIXERS, mixer->card->number);
#endif
- if (mixer->oss_dev_alloc)
snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_MIXER, mixer->card, 0);
+ mixer->oss_dev_alloc = 0;
+ }
+ if (cmd == SND_MIXER_OSS_NOTIFY_DISCONNECT)
+ return 0;
snd_mixer_oss_proc_done(mixer);
return snd_mixer_oss_free1(mixer);
}
diff --git a/sound/core/oss/mulaw.c b/sound/core/oss/mulaw.c
index 14f5578ec7a..7915564bd39 100644
--- a/sound/core/oss/mulaw.c
+++ b/sound/core/oss/mulaw.c
@@ -1,6 +1,6 @@
/*
* Mu-Law conversion Plug-In Interface
- * Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
* Uros Bizjak <uros@kss-loka.si>
*
* Based on reference implementation by Sun Microsystems, Inc.
@@ -21,7 +21,6 @@
*
*/
-#include <sound/driver.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -146,19 +145,32 @@ typedef void (*mulaw_f)(struct snd_pcm_plugin *plugin,
struct mulaw_priv {
mulaw_f func;
- int conv;
+ int cvt_endian; /* need endian conversion? */
+ unsigned int native_ofs; /* byte offset in native format */
+ unsigned int copy_ofs; /* byte offset in s16 format */
+ unsigned int native_bytes; /* byte size of the native format */
+ unsigned int copy_bytes; /* bytes to copy per conversion */
+ u16 flip; /* MSB flip for signedness, done after endian conversion */
};
+static inline void cvt_s16_to_native(struct mulaw_priv *data,
+ unsigned char *dst, u16 sample)
+{
+ sample ^= data->flip;
+ if (data->cvt_endian)
+ sample = swab16(sample);
+ if (data->native_bytes > data->copy_bytes)
+ memset(dst, 0, data->native_bytes);
+ memcpy(dst + data->native_ofs, (char *)&sample + data->copy_ofs,
+ data->copy_bytes);
+}
+
static void mulaw_decode(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
-#define PUT_S16_LABELS
-#include "plugin_ops.h"
-#undef PUT_S16_LABELS
struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data;
- void *put = put_s16_labels[data->conv];
int channel;
int nchannels = plugin->src_format.channels;
for (channel = 0; channel < nchannels; ++channel) {
@@ -180,30 +192,33 @@ static void mulaw_decode(struct snd_pcm_plugin *plugin,
frames1 = frames;
while (frames1-- > 0) {
signed short sample = ulaw2linear(*src);
- goto *put;
-#define PUT_S16_END after
-#include "plugin_ops.h"
-#undef PUT_S16_END
- after:
+ cvt_s16_to_native(data, dst, sample);
src += src_step;
dst += dst_step;
}
}
}
+static inline signed short cvt_native_to_s16(struct mulaw_priv *data,
+ unsigned char *src)
+{
+ u16 sample = 0;
+ memcpy((char *)&sample + data->copy_ofs, src + data->native_ofs,
+ data->copy_bytes);
+ if (data->cvt_endian)
+ sample = swab16(sample);
+ sample ^= data->flip;
+ return (signed short)sample;
+}
+
static void mulaw_encode(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channels,
snd_pcm_uframes_t frames)
{
-#define GET_S16_LABELS
-#include "plugin_ops.h"
-#undef GET_S16_LABELS
struct mulaw_priv *data = (struct mulaw_priv *)plugin->extra_data;
- void *get = get_s16_labels[data->conv];
int channel;
int nchannels = plugin->src_format.channels;
- signed short sample = 0;
for (channel = 0; channel < nchannels; ++channel) {
char *src;
char *dst;
@@ -222,11 +237,7 @@ static void mulaw_encode(struct snd_pcm_plugin *plugin,
dst_step = dst_channels[channel].area.step / 8;
frames1 = frames;
while (frames1-- > 0) {
- goto *get;
-#define GET_S16_END after
-#include "plugin_ops.h"
-#undef GET_S16_END
- after:
+ signed short sample = cvt_native_to_s16(data, src);
*dst = linear2ulaw(sample);
src += src_step;
dst += dst_step;
@@ -241,19 +252,20 @@ static snd_pcm_sframes_t mulaw_transfer(struct snd_pcm_plugin *plugin,
{
struct mulaw_priv *data;
- snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
+ return -ENXIO;
if (frames == 0)
return 0;
#ifdef CONFIG_SND_DEBUG
{
unsigned int channel;
for (channel = 0; channel < plugin->src_format.channels; channel++) {
- snd_assert(src_channels[channel].area.first % 8 == 0 &&
- src_channels[channel].area.step % 8 == 0,
- return -ENXIO);
- snd_assert(dst_channels[channel].area.first % 8 == 0 &&
- dst_channels[channel].area.step % 8 == 0,
- return -ENXIO);
+ if (snd_BUG_ON(src_channels[channel].area.first % 8 ||
+ src_channels[channel].area.step % 8))
+ return -ENXIO;
+ if (snd_BUG_ON(dst_channels[channel].area.first % 8 ||
+ dst_channels[channel].area.step % 8))
+ return -ENXIO;
}
}
#endif
@@ -262,6 +274,27 @@ static snd_pcm_sframes_t mulaw_transfer(struct snd_pcm_plugin *plugin,
return frames;
}
+static void init_data(struct mulaw_priv *data, snd_pcm_format_t format)
+{
+#ifdef SNDRV_LITTLE_ENDIAN
+ data->cvt_endian = snd_pcm_format_big_endian(format) > 0;
+#else
+ data->cvt_endian = snd_pcm_format_little_endian(format) > 0;
+#endif
+ if (!snd_pcm_format_signed(format))
+ data->flip = 0x8000;
+ data->native_bytes = snd_pcm_format_physical_width(format) / 8;
+ data->copy_bytes = data->native_bytes < 2 ? 1 : 2;
+ if (snd_pcm_format_little_endian(format)) {
+ data->native_ofs = data->native_bytes - data->copy_bytes;
+ data->copy_ofs = 2 - data->copy_bytes;
+ } else {
+ /* S24 in 4bytes need an 1 byte offset */
+ data->native_ofs = data->native_bytes -
+ snd_pcm_format_width(format) / 8;
+ }
+}
+
int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_format *src_format,
struct snd_pcm_plugin_format *dst_format,
@@ -273,11 +306,14 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_format *format;
mulaw_f func;
- snd_assert(r_plugin != NULL, return -ENXIO);
+ if (snd_BUG_ON(!r_plugin))
+ return -ENXIO;
*r_plugin = NULL;
- snd_assert(src_format->rate == dst_format->rate, return -ENXIO);
- snd_assert(src_format->channels == dst_format->channels, return -ENXIO);
+ if (snd_BUG_ON(src_format->rate != dst_format->rate))
+ return -ENXIO;
+ if (snd_BUG_ON(src_format->channels != dst_format->channels))
+ return -ENXIO;
if (dst_format->format == SNDRV_PCM_FORMAT_MU_LAW) {
format = src_format;
@@ -291,7 +327,8 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug,
snd_BUG();
return -EINVAL;
}
- snd_assert(snd_pcm_format_linear(format->format) != 0, return -ENXIO);
+ if (snd_BUG_ON(!snd_pcm_format_linear(format->format)))
+ return -ENXIO;
err = snd_pcm_plugin_build(plug, "Mu-Law<->linear conversion",
src_format, dst_format,
@@ -300,8 +337,7 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug,
return err;
data = (struct mulaw_priv *)plugin->extra_data;
data->func = func;
- data->conv = getput_index(format->format);
- snd_assert(data->conv >= 0 && data->conv < 4*2*2, return -EINVAL);
+ init_data(data, format->format);
plugin->transfer = mulaw_transfer;
*r_plugin = plugin;
return 0;
diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 7fd072392c7..ada69d7a8d7 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -1,6 +1,6 @@
/*
* Digital Audio (PCM) abstract layer / OSS compatible
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
@@ -26,13 +26,12 @@
#define OSS_DEBUG
#endif
-#include <sound/driver.h>
#include <linux/init.h>
-#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/vmalloc.h>
-#include <linux/moduleparam.h>
+#include <linux/module.h>
+#include <linux/math64.h>
#include <linux/string.h>
#include <sound/core.h>
#include <sound/minors.h>
@@ -42,14 +41,15 @@
#include <sound/info.h>
#include <linux/soundcard.h>
#include <sound/initval.h>
+#include <sound/mixer_oss.h>
#define OSS_ALSAEMULVER _SIOR ('M', 249, int)
-static int dsp_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 0};
+static int dsp_map[SNDRV_CARDS];
static int adsp_map[SNDRV_CARDS] = {[0 ... (SNDRV_CARDS-1)] = 1};
-static int nonblock_open = 1;
+static bool nonblock_open = 1;
-MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>, Abramo Bagnara <abramo@alsa-project.org>");
+MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>, Abramo Bagnara <abramo@alsa-project.org>");
MODULE_DESCRIPTION("PCM OSS emulation for ALSA.");
MODULE_LICENSE("GPL");
module_param_array(dsp_map, int, NULL, 0444);
@@ -61,7 +61,6 @@ MODULE_PARM_DESC(nonblock_open, "Don't block opening busy PCM devices.");
MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_PCM);
MODULE_ALIAS_SNDRV_MINOR(SNDRV_MINOR_OSS_PCM1);
-extern int snd_mixer_oss_ioctl_card(struct snd_card *card, unsigned int cmd, unsigned long arg);
static int snd_pcm_oss_get_rate(struct snd_pcm_oss_file *pcm_oss_file);
static int snd_pcm_oss_get_channels(struct snd_pcm_oss_file *pcm_oss_file);
static int snd_pcm_oss_get_format(struct snd_pcm_oss_file *pcm_oss_file);
@@ -78,6 +77,491 @@ static inline void snd_leave_user(mm_segment_t fs)
set_fs(fs);
}
+/*
+ * helper functions to process hw_params
+ */
+static int snd_interval_refine_min(struct snd_interval *i, unsigned int min, int openmin)
+{
+ int changed = 0;
+ if (i->min < min) {
+ i->min = min;
+ i->openmin = openmin;
+ changed = 1;
+ } else if (i->min == min && !i->openmin && openmin) {
+ i->openmin = 1;
+ changed = 1;
+ }
+ if (i->integer) {
+ if (i->openmin) {
+ i->min++;
+ i->openmin = 0;
+ }
+ }
+ if (snd_interval_checkempty(i)) {
+ snd_interval_none(i);
+ return -EINVAL;
+ }
+ return changed;
+}
+
+static int snd_interval_refine_max(struct snd_interval *i, unsigned int max, int openmax)
+{
+ int changed = 0;
+ if (i->max > max) {
+ i->max = max;
+ i->openmax = openmax;
+ changed = 1;
+ } else if (i->max == max && !i->openmax && openmax) {
+ i->openmax = 1;
+ changed = 1;
+ }
+ if (i->integer) {
+ if (i->openmax) {
+ i->max--;
+ i->openmax = 0;
+ }
+ }
+ if (snd_interval_checkempty(i)) {
+ snd_interval_none(i);
+ return -EINVAL;
+ }
+ return changed;
+}
+
+static int snd_interval_refine_set(struct snd_interval *i, unsigned int val)
+{
+ struct snd_interval t;
+ t.empty = 0;
+ t.min = t.max = val;
+ t.openmin = t.openmax = 0;
+ t.integer = 1;
+ return snd_interval_refine(i, &t);
+}
+
+/**
+ * snd_pcm_hw_param_value_min
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Return the minimum value for field PAR.
+ */
+static unsigned int
+snd_pcm_hw_param_value_min(const struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir)
+{
+ if (hw_is_mask(var)) {
+ if (dir)
+ *dir = 0;
+ return snd_mask_min(hw_param_mask_c(params, var));
+ }
+ if (hw_is_interval(var)) {
+ const struct snd_interval *i = hw_param_interval_c(params, var);
+ if (dir)
+ *dir = i->openmin;
+ return snd_interval_min(i);
+ }
+ return -EINVAL;
+}
+
+/**
+ * snd_pcm_hw_param_value_max
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Return the maximum value for field PAR.
+ */
+static unsigned int
+snd_pcm_hw_param_value_max(const struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, int *dir)
+{
+ if (hw_is_mask(var)) {
+ if (dir)
+ *dir = 0;
+ return snd_mask_max(hw_param_mask_c(params, var));
+ }
+ if (hw_is_interval(var)) {
+ const struct snd_interval *i = hw_param_interval_c(params, var);
+ if (dir)
+ *dir = - (int) i->openmax;
+ return snd_interval_max(i);
+ }
+ return -EINVAL;
+}
+
+static int _snd_pcm_hw_param_mask(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var,
+ const struct snd_mask *val)
+{
+ int changed;
+ changed = snd_mask_refine(hw_param_mask(params, var), val);
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+static int snd_pcm_hw_param_mask(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var,
+ const struct snd_mask *val)
+{
+ int changed = _snd_pcm_hw_param_mask(params, var, val);
+ if (changed < 0)
+ return changed;
+ if (params->rmask) {
+ int err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return 0;
+}
+
+static int _snd_pcm_hw_param_min(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int dir)
+{
+ int changed;
+ int open = 0;
+ if (dir) {
+ if (dir > 0) {
+ open = 1;
+ } else if (dir < 0) {
+ if (val > 0) {
+ open = 1;
+ val--;
+ }
+ }
+ }
+ if (hw_is_mask(var))
+ changed = snd_mask_refine_min(hw_param_mask(params, var),
+ val + !!open);
+ else if (hw_is_interval(var))
+ changed = snd_interval_refine_min(hw_param_interval(params, var),
+ val, open);
+ else
+ return -EINVAL;
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/**
+ * snd_pcm_hw_param_min
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @val: minimal value
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Inside configuration space defined by PARAMS remove from PAR all
+ * values < VAL. Reduce configuration space accordingly.
+ * Return new minimum or -EINVAL if the configuration space is empty
+ */
+static int snd_pcm_hw_param_min(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int *dir)
+{
+ int changed = _snd_pcm_hw_param_min(params, var, val, dir ? *dir : 0);
+ if (changed < 0)
+ return changed;
+ if (params->rmask) {
+ int err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return snd_pcm_hw_param_value_min(params, var, dir);
+}
+
+static int _snd_pcm_hw_param_max(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int dir)
+{
+ int changed;
+ int open = 0;
+ if (dir) {
+ if (dir < 0) {
+ open = 1;
+ } else if (dir > 0) {
+ open = 1;
+ val++;
+ }
+ }
+ if (hw_is_mask(var)) {
+ if (val == 0 && open) {
+ snd_mask_none(hw_param_mask(params, var));
+ changed = -EINVAL;
+ } else
+ changed = snd_mask_refine_max(hw_param_mask(params, var),
+ val - !!open);
+ } else if (hw_is_interval(var))
+ changed = snd_interval_refine_max(hw_param_interval(params, var),
+ val, open);
+ else
+ return -EINVAL;
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/**
+ * snd_pcm_hw_param_max
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @val: maximal value
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Inside configuration space defined by PARAMS remove from PAR all
+ * values >= VAL + 1. Reduce configuration space accordingly.
+ * Return new maximum or -EINVAL if the configuration space is empty
+ */
+static int snd_pcm_hw_param_max(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int *dir)
+{
+ int changed = _snd_pcm_hw_param_max(params, var, val, dir ? *dir : 0);
+ if (changed < 0)
+ return changed;
+ if (params->rmask) {
+ int err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return snd_pcm_hw_param_value_max(params, var, dir);
+}
+
+static int boundary_sub(int a, int adir,
+ int b, int bdir,
+ int *c, int *cdir)
+{
+ adir = adir < 0 ? -1 : (adir > 0 ? 1 : 0);
+ bdir = bdir < 0 ? -1 : (bdir > 0 ? 1 : 0);
+ *c = a - b;
+ *cdir = adir - bdir;
+ if (*cdir == -2) {
+ (*c)--;
+ } else if (*cdir == 2) {
+ (*c)++;
+ }
+ return 0;
+}
+
+static int boundary_lt(unsigned int a, int adir,
+ unsigned int b, int bdir)
+{
+ if (adir < 0) {
+ a--;
+ adir = 1;
+ } else if (adir > 0)
+ adir = 1;
+ if (bdir < 0) {
+ b--;
+ bdir = 1;
+ } else if (bdir > 0)
+ bdir = 1;
+ return a < b || (a == b && adir < bdir);
+}
+
+/* Return 1 if min is nearer to best than max */
+static int boundary_nearer(int min, int mindir,
+ int best, int bestdir,
+ int max, int maxdir)
+{
+ int dmin, dmindir;
+ int dmax, dmaxdir;
+ boundary_sub(best, bestdir, min, mindir, &dmin, &dmindir);
+ boundary_sub(max, maxdir, best, bestdir, &dmax, &dmaxdir);
+ return boundary_lt(dmin, dmindir, dmax, dmaxdir);
+}
+
+/**
+ * snd_pcm_hw_param_near
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @best: value to set
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Inside configuration space defined by PARAMS set PAR to the available value
+ * nearest to VAL. Reduce configuration space accordingly.
+ * This function cannot be called for SNDRV_PCM_HW_PARAM_ACCESS,
+ * SNDRV_PCM_HW_PARAM_FORMAT, SNDRV_PCM_HW_PARAM_SUBFORMAT.
+ * Return the value found.
+ */
+static int snd_pcm_hw_param_near(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int best,
+ int *dir)
+{
+ struct snd_pcm_hw_params *save = NULL;
+ int v;
+ unsigned int saved_min;
+ int last = 0;
+ int min, max;
+ int mindir, maxdir;
+ int valdir = dir ? *dir : 0;
+ /* FIXME */
+ if (best > INT_MAX)
+ best = INT_MAX;
+ min = max = best;
+ mindir = maxdir = valdir;
+ if (maxdir > 0)
+ maxdir = 0;
+ else if (maxdir == 0)
+ maxdir = -1;
+ else {
+ maxdir = 1;
+ max--;
+ }
+ save = kmalloc(sizeof(*save), GFP_KERNEL);
+ if (save == NULL)
+ return -ENOMEM;
+ *save = *params;
+ saved_min = min;
+ min = snd_pcm_hw_param_min(pcm, params, var, min, &mindir);
+ if (min >= 0) {
+ struct snd_pcm_hw_params *params1;
+ if (max < 0)
+ goto _end;
+ if ((unsigned int)min == saved_min && mindir == valdir)
+ goto _end;
+ params1 = kmalloc(sizeof(*params1), GFP_KERNEL);
+ if (params1 == NULL) {
+ kfree(save);
+ return -ENOMEM;
+ }
+ *params1 = *save;
+ max = snd_pcm_hw_param_max(pcm, params1, var, max, &maxdir);
+ if (max < 0) {
+ kfree(params1);
+ goto _end;
+ }
+ if (boundary_nearer(max, maxdir, best, valdir, min, mindir)) {
+ *params = *params1;
+ last = 1;
+ }
+ kfree(params1);
+ } else {
+ *params = *save;
+ max = snd_pcm_hw_param_max(pcm, params, var, max, &maxdir);
+ if (max < 0) {
+ kfree(save);
+ return max;
+ }
+ last = 1;
+ }
+ _end:
+ kfree(save);
+ if (last)
+ v = snd_pcm_hw_param_last(pcm, params, var, dir);
+ else
+ v = snd_pcm_hw_param_first(pcm, params, var, dir);
+ snd_BUG_ON(v < 0);
+ return v;
+}
+
+static int _snd_pcm_hw_param_set(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int dir)
+{
+ int changed;
+ if (hw_is_mask(var)) {
+ struct snd_mask *m = hw_param_mask(params, var);
+ if (val == 0 && dir < 0) {
+ changed = -EINVAL;
+ snd_mask_none(m);
+ } else {
+ if (dir > 0)
+ val++;
+ else if (dir < 0)
+ val--;
+ changed = snd_mask_refine_set(hw_param_mask(params, var), val);
+ }
+ } else if (hw_is_interval(var)) {
+ struct snd_interval *i = hw_param_interval(params, var);
+ if (val == 0 && dir < 0) {
+ changed = -EINVAL;
+ snd_interval_none(i);
+ } else if (dir == 0)
+ changed = snd_interval_refine_set(i, val);
+ else {
+ struct snd_interval t;
+ t.openmin = 1;
+ t.openmax = 1;
+ t.empty = 0;
+ t.integer = 0;
+ if (dir < 0) {
+ t.min = val - 1;
+ t.max = val;
+ } else {
+ t.min = val;
+ t.max = val+1;
+ }
+ changed = snd_interval_refine(i, &t);
+ }
+ } else
+ return -EINVAL;
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/**
+ * snd_pcm_hw_param_set
+ * @pcm: PCM instance
+ * @params: the hw_params instance
+ * @var: parameter to retrieve
+ * @val: value to set
+ * @dir: pointer to the direction (-1,0,1) or NULL
+ *
+ * Inside configuration space defined by PARAMS remove from PAR all
+ * values != VAL. Reduce configuration space accordingly.
+ * Return VAL or -EINVAL if the configuration space is empty
+ */
+static int snd_pcm_hw_param_set(struct snd_pcm_substream *pcm,
+ struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var, unsigned int val,
+ int dir)
+{
+ int changed = _snd_pcm_hw_param_set(params, var, val, dir);
+ if (changed < 0)
+ return changed;
+ if (params->rmask) {
+ int err = snd_pcm_hw_refine(pcm, params);
+ if (err < 0)
+ return err;
+ }
+ return snd_pcm_hw_param_value(params, var, NULL);
+}
+
+static int _snd_pcm_hw_param_setinteger(struct snd_pcm_hw_params *params,
+ snd_pcm_hw_param_t var)
+{
+ int changed;
+ changed = snd_interval_setinteger(hw_param_interval(params, var));
+ if (changed) {
+ params->cmask |= 1 << var;
+ params->rmask |= 1 << var;
+ }
+ return changed;
+}
+
+/*
+ * plugin
+ */
+
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
static int snd_pcm_oss_plugin_clear(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
@@ -122,6 +606,7 @@ int snd_pcm_plugin_append(struct snd_pcm_plugin *plugin)
}
return 0;
}
+#endif /* CONFIG_SND_PCM_OSS_PLUGINS */
static long snd_pcm_oss_bytes(struct snd_pcm_substream *substream, long frames)
{
@@ -135,9 +620,7 @@ static long snd_pcm_oss_bytes(struct snd_pcm_substream *substream, long frames)
#else
{
u64 bsize = (u64)runtime->oss.buffer_bytes * (u64)bytes;
- u32 rem;
- div64_32(&bsize, buffer_size, &rem);
- return (long)bsize;
+ return div_u64(bsize, buffer_size);
}
#endif
}
@@ -151,7 +634,29 @@ static long snd_pcm_alsa_frames(struct snd_pcm_substream *substream, long bytes)
return bytes_to_frames(runtime, (buffer_size * bytes) / runtime->oss.buffer_bytes);
}
-static int snd_pcm_oss_format_from(int format)
+static inline
+snd_pcm_uframes_t get_hw_ptr_period(struct snd_pcm_runtime *runtime)
+{
+ return runtime->hw_ptr_interrupt;
+}
+
+/* define extended formats in the recent OSS versions (if any) */
+/* linear formats */
+#define AFMT_S32_LE 0x00001000
+#define AFMT_S32_BE 0x00002000
+#define AFMT_S24_LE 0x00008000
+#define AFMT_S24_BE 0x00010000
+#define AFMT_S24_PACKED 0x00040000
+
+/* other supported formats */
+#define AFMT_FLOAT 0x00004000
+#define AFMT_SPDIF_RAW 0x00020000
+
+/* unsupported formats */
+#define AFMT_AC3 0x00000400
+#define AFMT_VORBIS 0x00000800
+
+static snd_pcm_format_t snd_pcm_oss_format_from(int format)
{
switch (format) {
case AFMT_MU_LAW: return SNDRV_PCM_FORMAT_MU_LAW;
@@ -164,11 +669,18 @@ static int snd_pcm_oss_format_from(int format)
case AFMT_U16_LE: return SNDRV_PCM_FORMAT_U16_LE;
case AFMT_U16_BE: return SNDRV_PCM_FORMAT_U16_BE;
case AFMT_MPEG: return SNDRV_PCM_FORMAT_MPEG;
+ case AFMT_S32_LE: return SNDRV_PCM_FORMAT_S32_LE;
+ case AFMT_S32_BE: return SNDRV_PCM_FORMAT_S32_BE;
+ case AFMT_S24_LE: return SNDRV_PCM_FORMAT_S24_LE;
+ case AFMT_S24_BE: return SNDRV_PCM_FORMAT_S24_BE;
+ case AFMT_S24_PACKED: return SNDRV_PCM_FORMAT_S24_3LE;
+ case AFMT_FLOAT: return SNDRV_PCM_FORMAT_FLOAT;
+ case AFMT_SPDIF_RAW: return SNDRV_PCM_FORMAT_IEC958_SUBFRAME;
default: return SNDRV_PCM_FORMAT_U8;
}
}
-static int snd_pcm_oss_format_to(int format)
+static int snd_pcm_oss_format_to(snd_pcm_format_t format)
{
switch (format) {
case SNDRV_PCM_FORMAT_MU_LAW: return AFMT_MU_LAW;
@@ -181,6 +693,13 @@ static int snd_pcm_oss_format_to(int format)
case SNDRV_PCM_FORMAT_U16_LE: return AFMT_U16_LE;
case SNDRV_PCM_FORMAT_U16_BE: return AFMT_U16_BE;
case SNDRV_PCM_FORMAT_MPEG: return AFMT_MPEG;
+ case SNDRV_PCM_FORMAT_S32_LE: return AFMT_S32_LE;
+ case SNDRV_PCM_FORMAT_S32_BE: return AFMT_S32_BE;
+ case SNDRV_PCM_FORMAT_S24_LE: return AFMT_S24_LE;
+ case SNDRV_PCM_FORMAT_S24_BE: return AFMT_S24_BE;
+ case SNDRV_PCM_FORMAT_S24_3LE: return AFMT_S24_PACKED;
+ case SNDRV_PCM_FORMAT_FLOAT: return AFMT_FLOAT;
+ case SNDRV_PCM_FORMAT_IEC958_SUBFRAME: return AFMT_SPDIF_RAW;
default: return -EINVAL;
}
}
@@ -201,14 +720,13 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream,
oss_buffer_size = snd_pcm_plug_client_size(substream,
snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, NULL)) * oss_frame_size;
oss_buffer_size = 1 << ld2(oss_buffer_size);
- if (atomic_read(&runtime->mmap_count)) {
+ if (atomic_read(&substream->mmap_count)) {
if (oss_buffer_size > runtime->oss.mmap_bytes)
oss_buffer_size = runtime->oss.mmap_bytes;
}
- if (substream->oss.setup &&
- substream->oss.setup->period_size > 16)
- oss_period_size = substream->oss.setup->period_size;
+ if (substream->oss.setup.period_size > 16)
+ oss_period_size = substream->oss.setup.period_size;
else if (runtime->oss.fragshift) {
oss_period_size = 1 << runtime->oss.fragshift;
if (oss_period_size > oss_buffer_size / 2)
@@ -250,10 +768,8 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream,
oss_periods = oss_buffer_size / oss_period_size;
- if (substream->oss.setup) {
- if (substream->oss.setup->periods > 1)
- oss_periods = substream->oss.setup->periods;
- }
+ if (substream->oss.setup.periods > 1)
+ oss_periods = substream->oss.setup.periods;
s = snd_pcm_hw_param_value_max(slave_params, SNDRV_PCM_HW_PARAM_PERIODS, NULL);
if (runtime->oss.maxfrags && s > runtime->oss.maxfrags)
@@ -270,7 +786,8 @@ static int snd_pcm_oss_period_size(struct snd_pcm_substream *substream,
while (oss_period_size * oss_periods > oss_buffer_size)
oss_period_size /= 2;
- snd_assert(oss_period_size >= 16, return -EINVAL);
+ if (oss_period_size < 16)
+ return -EINVAL;
runtime->oss.period_bytes = oss_period_size;
runtime->oss.period_frames = 1;
runtime->oss.periods = oss_periods;
@@ -326,40 +843,41 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
size_t oss_frame_size;
int err;
int direct;
- int format, sformat, n;
+ snd_pcm_format_t format, sformat;
+ int n;
struct snd_mask sformat_mask;
struct snd_mask mask;
+ if (mutex_lock_interruptible(&runtime->oss.params_lock))
+ return -EINTR;
sw_params = kmalloc(sizeof(*sw_params), GFP_KERNEL);
params = kmalloc(sizeof(*params), GFP_KERNEL);
sparams = kmalloc(sizeof(*sparams), GFP_KERNEL);
if (!sw_params || !params || !sparams) {
- snd_printd("No memory\n");
+ pcm_dbg(substream->pcm, "No memory\n");
err = -ENOMEM;
goto failure;
}
- if (atomic_read(&runtime->mmap_count)) {
+ if (atomic_read(&substream->mmap_count))
direct = 1;
- } else {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- direct = (setup != NULL && setup->direct);
- }
+ else
+ direct = substream->oss.setup.direct;
_snd_pcm_hw_params_any(sparams);
_snd_pcm_hw_param_setinteger(sparams, SNDRV_PCM_HW_PARAM_PERIODS);
_snd_pcm_hw_param_min(sparams, SNDRV_PCM_HW_PARAM_PERIODS, 2, 0);
snd_mask_none(&mask);
- if (atomic_read(&runtime->mmap_count))
- snd_mask_set(&mask, SNDRV_PCM_ACCESS_MMAP_INTERLEAVED);
+ if (atomic_read(&substream->mmap_count))
+ snd_mask_set(&mask, (__force int)SNDRV_PCM_ACCESS_MMAP_INTERLEAVED);
else {
- snd_mask_set(&mask, SNDRV_PCM_ACCESS_RW_INTERLEAVED);
+ snd_mask_set(&mask, (__force int)SNDRV_PCM_ACCESS_RW_INTERLEAVED);
if (!direct)
- snd_mask_set(&mask, SNDRV_PCM_ACCESS_RW_NONINTERLEAVED);
+ snd_mask_set(&mask, (__force int)SNDRV_PCM_ACCESS_RW_NONINTERLEAVED);
}
err = snd_pcm_hw_param_mask(substream, sparams, SNDRV_PCM_HW_PARAM_ACCESS, &mask);
if (err < 0) {
- snd_printd("No usable accesses\n");
+ pcm_dbg(substream->pcm, "No usable accesses\n");
err = -EINVAL;
goto failure;
}
@@ -374,29 +892,33 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
else
sformat = snd_pcm_plug_slave_format(format, &sformat_mask);
- if (sformat < 0 || !snd_mask_test(&sformat_mask, sformat)) {
- for (sformat = 0; sformat <= SNDRV_PCM_FORMAT_LAST; sformat++) {
- if (snd_mask_test(&sformat_mask, sformat) &&
+ if ((__force int)sformat < 0 ||
+ !snd_mask_test(&sformat_mask, (__force int)sformat)) {
+ for (sformat = (__force snd_pcm_format_t)0;
+ (__force int)sformat <= (__force int)SNDRV_PCM_FORMAT_LAST;
+ sformat = (__force snd_pcm_format_t)((__force int)sformat + 1)) {
+ if (snd_mask_test(&sformat_mask, (__force int)sformat) &&
snd_pcm_oss_format_to(sformat) >= 0)
break;
}
- if (sformat > SNDRV_PCM_FORMAT_LAST) {
- snd_printd("Cannot find a format!!!\n");
+ if ((__force int)sformat > (__force int)SNDRV_PCM_FORMAT_LAST) {
+ pcm_dbg(substream->pcm, "Cannot find a format!!!\n");
err = -EINVAL;
goto failure;
}
}
- err = _snd_pcm_hw_param_set(sparams, SNDRV_PCM_HW_PARAM_FORMAT, sformat, 0);
- snd_assert(err >= 0, goto failure);
+ err = _snd_pcm_hw_param_set(sparams, SNDRV_PCM_HW_PARAM_FORMAT, (__force int)sformat, 0);
+ if (err < 0)
+ goto failure;
if (direct) {
memcpy(params, sparams, sizeof(*params));
} else {
_snd_pcm_hw_params_any(params);
_snd_pcm_hw_param_set(params, SNDRV_PCM_HW_PARAM_ACCESS,
- SNDRV_PCM_ACCESS_RW_INTERLEAVED, 0);
+ (__force int)SNDRV_PCM_ACCESS_RW_INTERLEAVED, 0);
_snd_pcm_hw_param_set(params, SNDRV_PCM_HW_PARAM_FORMAT,
- snd_pcm_oss_format_from(runtime->oss.format), 0);
+ (__force int)snd_pcm_oss_format_from(runtime->oss.format), 0);
_snd_pcm_hw_param_set(params, SNDRV_PCM_HW_PARAM_CHANNELS,
runtime->oss.channels, 0);
_snd_pcm_hw_param_set(params, SNDRV_PCM_HW_PARAM_RATE,
@@ -412,6 +934,7 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
oss_frame_size = snd_pcm_format_physical_width(params_format(params)) *
params_channels(params) / 8;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
snd_pcm_oss_plugin_clear(substream);
if (!direct) {
/* add necessary plugins */
@@ -419,14 +942,16 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
if ((err = snd_pcm_plug_format_plugins(substream,
params,
sparams)) < 0) {
- snd_printd("snd_pcm_plug_format_plugins failed: %i\n", err);
+ pcm_dbg(substream->pcm,
+ "snd_pcm_plug_format_plugins failed: %i\n", err);
snd_pcm_oss_plugin_clear(substream);
goto failure;
}
if (runtime->oss.plugin_first) {
struct snd_pcm_plugin *plugin;
if ((err = snd_pcm_plugin_build_io(substream, sparams, &plugin)) < 0) {
- snd_printd("snd_pcm_plugin_build_io failed: %i\n", err);
+ pcm_dbg(substream->pcm,
+ "snd_pcm_plugin_build_io failed: %i\n", err);
snd_pcm_oss_plugin_clear(substream);
goto failure;
}
@@ -441,6 +966,7 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
}
}
}
+#endif
err = snd_pcm_oss_period_size(substream, params, sparams);
if (err < 0)
@@ -448,16 +974,18 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
n = snd_pcm_plug_slave_size(substream, runtime->oss.period_bytes / oss_frame_size);
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIOD_SIZE, n, NULL);
- snd_assert(err >= 0, goto failure);
+ if (err < 0)
+ goto failure;
err = snd_pcm_hw_param_near(substream, sparams, SNDRV_PCM_HW_PARAM_PERIODS,
runtime->oss.periods, NULL);
- snd_assert(err >= 0, goto failure);
+ if (err < 0)
+ goto failure;
snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
if ((err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams)) < 0) {
- snd_printd("HW_PARAMS failed: %i\n", err);
+ pcm_dbg(substream->pcm, "HW_PARAMS failed: %i\n", err);
goto failure;
}
@@ -467,18 +995,17 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
} else {
sw_params->start_threshold = runtime->boundary;
}
- if (atomic_read(&runtime->mmap_count) || substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+ if (atomic_read(&substream->mmap_count) ||
+ substream->stream == SNDRV_PCM_STREAM_CAPTURE)
sw_params->stop_threshold = runtime->boundary;
else
sw_params->stop_threshold = runtime->buffer_size;
sw_params->tstamp_mode = SNDRV_PCM_TSTAMP_NONE;
sw_params->period_step = 1;
- sw_params->sleep_min = 0;
sw_params->avail_min = substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
1 : runtime->period_size;
- sw_params->xfer_align = 1;
- if (atomic_read(&runtime->mmap_count) ||
- (substream->oss.setup && substream->oss.setup->nosilence)) {
+ if (atomic_read(&substream->mmap_count) ||
+ substream->oss.setup.nosilence) {
sw_params->silence_threshold = 0;
sw_params->silence_size = 0;
} else {
@@ -491,22 +1018,30 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
}
if ((err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_SW_PARAMS, sw_params)) < 0) {
- snd_printd("SW_PARAMS failed: %i\n", err);
+ pcm_dbg(substream->pcm, "SW_PARAMS failed: %i\n", err);
goto failure;
}
runtime->oss.periods = params_periods(sparams);
oss_period_size = snd_pcm_plug_client_size(substream, params_period_size(sparams));
- snd_assert(oss_period_size >= 0, err = -EINVAL; goto failure);
+ if (oss_period_size < 0) {
+ err = -EINVAL;
+ goto failure;
+ }
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
if (runtime->oss.plugin_first) {
err = snd_pcm_plug_alloc(substream, oss_period_size);
if (err < 0)
goto failure;
}
+#endif
oss_period_size *= oss_frame_size;
oss_buffer_size = oss_period_size * runtime->oss.periods;
- snd_assert(oss_buffer_size >= 0, err = -EINVAL; goto failure);
+ if (oss_buffer_size < 0) {
+ err = -EINVAL;
+ goto failure;
+ }
runtime->oss.period_bytes = oss_period_size;
runtime->oss.buffer_bytes = oss_buffer_size;
@@ -522,10 +1057,15 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
runtime->oss.channels = params_channels(params);
runtime->oss.rate = params_rate(params);
- runtime->oss.params = 0;
- runtime->oss.prepare = 1;
vfree(runtime->oss.buffer);
runtime->oss.buffer = vmalloc(runtime->oss.period_bytes);
+ if (!runtime->oss.buffer) {
+ err = -ENOMEM;
+ goto failure;
+ }
+
+ runtime->oss.params = 0;
+ runtime->oss.prepare = 1;
runtime->oss.buffer_used = 0;
if (runtime->dma_area)
snd_pcm_format_set_silence(runtime->format, runtime->dma_area, bytes_to_samples(runtime, runtime->dma_bytes));
@@ -537,6 +1077,7 @@ failure:
kfree(sw_params);
kfree(params);
kfree(sparams);
+ mutex_unlock(&runtime->oss.params_lock);
return err;
}
@@ -557,7 +1098,8 @@ static int snd_pcm_oss_get_active_substream(struct snd_pcm_oss_file *pcm_oss_fil
return err;
}
}
- snd_assert(asubstream != NULL, return -EIO);
+ if (!asubstream)
+ return -EIO;
if (r_substream)
*r_substream = asubstream;
return 0;
@@ -570,11 +1112,12 @@ static int snd_pcm_oss_prepare(struct snd_pcm_substream *substream)
err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_PREPARE, NULL);
if (err < 0) {
- snd_printd("snd_pcm_oss_prepare: SNDRV_PCM_IOCTL_PREPARE failed\n");
+ pcm_dbg(substream->pcm,
+ "snd_pcm_oss_prepare: SNDRV_PCM_IOCTL_PREPARE failed\n");
return err;
}
runtime->oss.prepare = 0;
- runtime->oss.prev_hw_ptr_interrupt = 0;
+ runtime->oss.prev_hw_ptr_period = 0;
runtime->oss.period_ptr = 0;
runtime->oss.buffer_used = 0;
@@ -635,10 +1178,10 @@ snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const
if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||
runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
#ifdef OSS_DEBUG
- if (runtime->status->state == SNDRV_PCM_STATE_XRUN)
- printk("pcm_oss: write: recovering from XRUN\n");
- else
- printk("pcm_oss: write: recovering from SUSPEND\n");
+ pcm_dbg(substream->pcm,
+ "pcm_oss: write: recovering from %s\n",
+ runtime->status->state == SNDRV_PCM_STATE_XRUN ?
+ "XRUN" : "SUSPEND");
#endif
ret = snd_pcm_oss_prepare(substream);
if (ret < 0)
@@ -647,10 +1190,10 @@ snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const
if (in_kernel) {
mm_segment_t fs;
fs = snd_enter_user();
- ret = snd_pcm_lib_write(substream, (void __user *)ptr, frames);
+ ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames);
snd_leave_user(fs);
} else {
- ret = snd_pcm_lib_write(substream, (void __user *)ptr, frames);
+ ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames);
}
if (ret != -EPIPE && ret != -ESTRPIPE)
break;
@@ -671,10 +1214,10 @@ snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *p
if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||
runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
#ifdef OSS_DEBUG
- if (runtime->status->state == SNDRV_PCM_STATE_XRUN)
- printk("pcm_oss: read: recovering from XRUN\n");
- else
- printk("pcm_oss: read: recovering from SUSPEND\n");
+ pcm_dbg(substream->pcm,
+ "pcm_oss: read: recovering from %s\n",
+ runtime->status->state == SNDRV_PCM_STATE_XRUN ?
+ "XRUN" : "SUSPEND");
#endif
ret = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DRAIN, NULL);
if (ret < 0)
@@ -690,10 +1233,10 @@ snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *p
if (in_kernel) {
mm_segment_t fs;
fs = snd_enter_user();
- ret = snd_pcm_lib_read(substream, (void __user *)ptr, frames);
+ ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames);
snd_leave_user(fs);
} else {
- ret = snd_pcm_lib_read(substream, (void __user *)ptr, frames);
+ ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames);
}
if (ret == -EPIPE) {
if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) {
@@ -717,10 +1260,10 @@ snd_pcm_sframes_t snd_pcm_oss_writev3(struct snd_pcm_substream *substream, void
if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||
runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
#ifdef OSS_DEBUG
- if (runtime->status->state == SNDRV_PCM_STATE_XRUN)
- printk("pcm_oss: writev: recovering from XRUN\n");
- else
- printk("pcm_oss: writev: recovering from SUSPEND\n");
+ pcm_dbg(substream->pcm,
+ "pcm_oss: writev: recovering from %s\n",
+ runtime->status->state == SNDRV_PCM_STATE_XRUN ?
+ "XRUN" : "SUSPEND");
#endif
ret = snd_pcm_oss_prepare(substream);
if (ret < 0)
@@ -753,10 +1296,10 @@ snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream, void *
if (runtime->status->state == SNDRV_PCM_STATE_XRUN ||
runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
#ifdef OSS_DEBUG
- if (runtime->status->state == SNDRV_PCM_STATE_XRUN)
- printk("pcm_oss: readv: recovering from XRUN\n");
- else
- printk("pcm_oss: readv: recovering from SUSPEND\n");
+ pcm_dbg(substream->pcm,
+ "pcm_oss: readv: recovering from %s\n",
+ runtime->status->state == SNDRV_PCM_STATE_XRUN ?
+ "XRUN" : "SUSPEND");
#endif
ret = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DRAIN, NULL);
if (ret < 0)
@@ -784,11 +1327,12 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha
{
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_sframes_t frames, frames1;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
if (runtime->oss.plugin_first) {
struct snd_pcm_plugin_channel *channels;
size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_format.channels) / 8;
if (!in_kernel) {
- if (copy_from_user(runtime->oss.buffer, (const char __user *)buf, bytes))
+ if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes))
return -EFAULT;
buf = runtime->oss.buffer;
}
@@ -800,7 +1344,9 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha
if (frames1 <= 0)
return frames1;
bytes = frames1 * oss_frame_bytes;
- } else {
+ } else
+#endif
+ {
frames = bytes_to_frames(runtime, bytes);
frames1 = snd_pcm_oss_write3(substream, buf, frames, in_kernel);
if (frames1 <= 0)
@@ -816,62 +1362,73 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha
ssize_t tmp;
struct snd_pcm_runtime *runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
+ if (atomic_read(&substream->mmap_count))
return -ENXIO;
if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
return tmp;
+ mutex_lock(&runtime->oss.params_lock);
while (bytes > 0) {
if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
tmp = bytes;
if (tmp + runtime->oss.buffer_used > runtime->oss.period_bytes)
tmp = runtime->oss.period_bytes - runtime->oss.buffer_used;
if (tmp > 0) {
- if (copy_from_user(runtime->oss.buffer + runtime->oss.buffer_used, buf, tmp))
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : -EFAULT;
+ if (copy_from_user(runtime->oss.buffer + runtime->oss.buffer_used, buf, tmp)) {
+ tmp = -EFAULT;
+ goto err;
+ }
}
runtime->oss.buffer_used += tmp;
buf += tmp;
bytes -= tmp;
xfer += tmp;
- if ((substream->oss.setup != NULL && substream->oss.setup->partialfrag) ||
+ if (substream->oss.setup.partialfrag ||
runtime->oss.buffer_used == runtime->oss.period_bytes) {
tmp = snd_pcm_oss_write2(substream, runtime->oss.buffer + runtime->oss.period_ptr,
runtime->oss.buffer_used - runtime->oss.period_ptr, 1);
if (tmp <= 0)
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ goto err;
runtime->oss.bytes += tmp;
runtime->oss.period_ptr += tmp;
runtime->oss.period_ptr %= runtime->oss.period_bytes;
if (runtime->oss.period_ptr == 0 ||
runtime->oss.period_ptr == runtime->oss.buffer_used)
runtime->oss.buffer_used = 0;
- else if ((substream->ffile->f_flags & O_NONBLOCK) != 0)
- return xfer > 0 ? xfer : -EAGAIN;
+ else if ((substream->f_flags & O_NONBLOCK) != 0) {
+ tmp = -EAGAIN;
+ goto err;
+ }
}
} else {
tmp = snd_pcm_oss_write2(substream,
(const char __force *)buf,
runtime->oss.period_bytes, 0);
if (tmp <= 0)
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ goto err;
runtime->oss.bytes += tmp;
buf += tmp;
bytes -= tmp;
xfer += tmp;
- if ((substream->ffile->f_flags & O_NONBLOCK) != 0 &&
+ if ((substream->f_flags & O_NONBLOCK) != 0 &&
tmp != runtime->oss.period_bytes)
break;
}
}
+ mutex_unlock(&runtime->oss.params_lock);
return xfer;
+
+ err:
+ mutex_unlock(&runtime->oss.params_lock);
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
}
static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf, size_t bytes, int in_kernel)
{
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_sframes_t frames, frames1;
- char __user *final_dst = (char __user *)buf;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
+ char __user *final_dst = (char __force __user *)buf;
if (runtime->oss.plugin_first) {
struct snd_pcm_plugin_channel *channels;
size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_format.channels) / 8;
@@ -887,7 +1444,9 @@ static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf,
bytes = frames1 * oss_frame_bytes;
if (!in_kernel && copy_to_user(final_dst, buf, bytes))
return -EFAULT;
- } else {
+ } else
+#endif
+ {
frames = bytes_to_frames(runtime, bytes);
frames1 = snd_pcm_oss_read3(substream, buf, frames, in_kernel);
if (frames1 <= 0)
@@ -903,17 +1462,18 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
ssize_t tmp;
struct snd_pcm_runtime *runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
+ if (atomic_read(&substream->mmap_count))
return -ENXIO;
if ((tmp = snd_pcm_oss_make_ready(substream)) < 0)
return tmp;
+ mutex_lock(&runtime->oss.params_lock);
while (bytes > 0) {
if (bytes < runtime->oss.period_bytes || runtime->oss.buffer_used > 0) {
if (runtime->oss.buffer_used == 0) {
tmp = snd_pcm_oss_read2(substream, runtime->oss.buffer, runtime->oss.period_bytes, 1);
if (tmp <= 0)
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ goto err;
runtime->oss.bytes += tmp;
runtime->oss.period_ptr = tmp;
runtime->oss.buffer_used = tmp;
@@ -921,8 +1481,10 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
tmp = bytes;
if ((size_t) tmp > runtime->oss.buffer_used)
tmp = runtime->oss.buffer_used;
- if (copy_to_user(buf, runtime->oss.buffer + (runtime->oss.period_ptr - runtime->oss.buffer_used), tmp))
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : -EFAULT;
+ if (copy_to_user(buf, runtime->oss.buffer + (runtime->oss.period_ptr - runtime->oss.buffer_used), tmp)) {
+ tmp = -EFAULT;
+ goto err;
+ }
buf += tmp;
bytes -= tmp;
xfer += tmp;
@@ -931,29 +1493,37 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use
tmp = snd_pcm_oss_read2(substream, (char __force *)buf,
runtime->oss.period_bytes, 0);
if (tmp <= 0)
- return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
+ goto err;
runtime->oss.bytes += tmp;
buf += tmp;
bytes -= tmp;
xfer += tmp;
}
}
+ mutex_unlock(&runtime->oss.params_lock);
return xfer;
+
+ err:
+ mutex_unlock(&runtime->oss.params_lock);
+ return xfer > 0 ? (snd_pcm_sframes_t)xfer : tmp;
}
static int snd_pcm_oss_reset(struct snd_pcm_oss_file *pcm_oss_file)
{
struct snd_pcm_substream *substream;
+ struct snd_pcm_runtime *runtime;
+ int i;
- substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
- if (substream != NULL) {
- snd_pcm_kernel_playback_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
- substream->runtime->oss.prepare = 1;
- }
- substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
- if (substream != NULL) {
- snd_pcm_kernel_capture_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
- substream->runtime->oss.prepare = 1;
+ for (i = 0; i < 2; i++) {
+ substream = pcm_oss_file->streams[i];
+ if (!substream)
+ continue;
+ runtime = substream->runtime;
+ snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
+ runtime->oss.prepare = 1;
+ runtime->oss.buffer_used = 0;
+ runtime->oss.prev_hw_ptr_period = 0;
+ runtime->oss.period_ptr = 0;
}
return 0;
}
@@ -967,7 +1537,7 @@ static int snd_pcm_oss_post(struct snd_pcm_oss_file *pcm_oss_file)
if (substream != NULL) {
if ((err = snd_pcm_oss_make_ready(substream)) < 0)
return err;
- snd_pcm_kernel_playback_ioctl(substream, SNDRV_PCM_IOCTL_START, NULL);
+ snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_START, NULL);
}
/* note: all errors from the start action are ignored */
/* OSS apps do not know, how to handle them */
@@ -978,6 +1548,7 @@ static int snd_pcm_oss_sync1(struct snd_pcm_substream *substream, size_t size)
{
struct snd_pcm_runtime *runtime;
ssize_t result = 0;
+ snd_pcm_state_t state;
long res;
wait_queue_t wait;
@@ -985,7 +1556,7 @@ static int snd_pcm_oss_sync1(struct snd_pcm_substream *substream, size_t size)
init_waitqueue_entry(&wait, current);
add_wait_queue(&runtime->sleep, &wait);
#ifdef OSS_DEBUG
- printk("sync1: size = %li\n", size);
+ pcm_dbg(substream->pcm, "sync1: size = %li\n", size);
#endif
while (1) {
result = snd_pcm_oss_write2(substream, runtime->oss.buffer, size, 1);
@@ -999,9 +1570,9 @@ static int snd_pcm_oss_sync1(struct snd_pcm_substream *substream, size_t size)
result = 0;
set_current_state(TASK_INTERRUPTIBLE);
snd_pcm_stream_lock_irq(substream);
- res = runtime->status->state;
+ state = runtime->status->state;
snd_pcm_stream_unlock_irq(substream);
- if (res != SNDRV_PCM_STATE_RUNNING) {
+ if (state != SNDRV_PCM_STATE_RUNNING) {
set_current_state(TASK_RUNNING);
break;
}
@@ -1011,7 +1582,8 @@ static int snd_pcm_oss_sync1(struct snd_pcm_substream *substream, size_t size)
break;
}
if (res == 0) {
- snd_printk(KERN_ERR "OSS sync error - DMA timeout\n");
+ pcm_err(substream->pcm,
+ "OSS sync error - DMA timeout\n");
result = -EIO;
break;
}
@@ -1033,34 +1605,39 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
if (substream != NULL) {
runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
+ if (atomic_read(&substream->mmap_count))
goto __direct;
if ((err = snd_pcm_oss_make_ready(substream)) < 0)
return err;
format = snd_pcm_oss_format_from(runtime->oss.format);
width = snd_pcm_format_physical_width(format);
+ mutex_lock(&runtime->oss.params_lock);
if (runtime->oss.buffer_used > 0) {
#ifdef OSS_DEBUG
- printk("sync: buffer_used\n");
+ pcm_dbg(substream->pcm, "sync: buffer_used\n");
#endif
size = (8 * (runtime->oss.period_bytes - runtime->oss.buffer_used) + 7) / width;
snd_pcm_format_set_silence(format,
runtime->oss.buffer + runtime->oss.buffer_used,
size);
err = snd_pcm_oss_sync1(substream, runtime->oss.period_bytes);
- if (err < 0)
+ if (err < 0) {
+ mutex_unlock(&runtime->oss.params_lock);
return err;
+ }
} else if (runtime->oss.period_ptr > 0) {
#ifdef OSS_DEBUG
- printk("sync: period_ptr\n");
+ pcm_dbg(substream->pcm, "sync: period_ptr\n");
#endif
size = runtime->oss.period_bytes - runtime->oss.period_ptr;
snd_pcm_format_set_silence(format,
runtime->oss.buffer,
size * 8 / width);
err = snd_pcm_oss_sync1(substream, size);
- if (err < 0)
+ if (err < 0) {
+ mutex_unlock(&runtime->oss.params_lock);
return err;
+ }
}
/*
* The ALSA's period might be a bit large than OSS one.
@@ -1080,8 +1657,9 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
snd_pcm_format_set_silence(runtime->format,
runtime->oss.buffer,
size1);
+ size1 /= runtime->channels; /* frames */
fs = snd_enter_user();
- snd_pcm_lib_write(substream, (void __user *)runtime->oss.buffer, size1);
+ snd_pcm_lib_write(substream, (void __force __user *)runtime->oss.buffer, size1);
snd_leave_user(fs);
}
} else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) {
@@ -1090,14 +1668,15 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
snd_pcm_lib_writev(substream, buffers, size);
}
}
+ mutex_unlock(&runtime->oss.params_lock);
/*
* finish sync: drain the buffer
*/
__direct:
- saved_f_flags = substream->ffile->f_flags;
- substream->ffile->f_flags &= ~O_NONBLOCK;
- err = snd_pcm_kernel_playback_ioctl(substream, SNDRV_PCM_IOCTL_DRAIN, NULL);
- substream->ffile->f_flags = saved_f_flags;
+ saved_f_flags = substream->f_flags;
+ substream->f_flags &= ~O_NONBLOCK;
+ err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DRAIN, NULL);
+ substream->f_flags = saved_f_flags;
if (err < 0)
return err;
runtime->oss.prepare = 1;
@@ -1108,7 +1687,7 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file)
if ((err = snd_pcm_oss_make_ready(substream)) < 0)
return err;
runtime = substream->runtime;
- err = snd_pcm_kernel_capture_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
+ err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DROP, NULL);
if (err < 0)
return err;
runtime->oss.buffer_used = 0;
@@ -1202,17 +1781,18 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file)
if ((err = snd_pcm_oss_get_active_substream(pcm_oss_file, &substream)) < 0)
return err;
- if (atomic_read(&substream->runtime->mmap_count)) {
+ if (atomic_read(&substream->mmap_count))
direct = 1;
- } else {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- direct = (setup != NULL && setup->direct);
- }
+ else
+ direct = substream->oss.setup.direct;
if (!direct)
return AFMT_MU_LAW | AFMT_U8 |
AFMT_S16_LE | AFMT_S16_BE |
AFMT_S8 | AFMT_U16_LE |
- AFMT_U16_BE;
+ AFMT_U16_BE |
+ AFMT_S32_LE | AFMT_S32_BE |
+ AFMT_S24_LE | AFMT_S24_BE |
+ AFMT_S24_PACKED;
params = kmalloc(sizeof(*params), GFP_KERNEL);
if (!params)
return -ENOMEM;
@@ -1220,7 +1800,8 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file)
err = snd_pcm_hw_refine(substream, params);
format_mask = *hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
kfree(params);
- snd_assert(err >= 0, return err);
+ if (err < 0)
+ return err;
for (fmt = 0; fmt < 32; ++fmt) {
if (snd_mask_test(&format_mask, fmt)) {
int f = snd_pcm_oss_format_to(fmt);
@@ -1237,6 +1818,8 @@ static int snd_pcm_oss_set_format(struct snd_pcm_oss_file *pcm_oss_file, int for
if (format != AFMT_QUERY) {
formats = snd_pcm_oss_get_formats(pcm_oss_file);
+ if (formats < 0)
+ return formats;
if (!(formats & format))
format = AFMT_U8;
for (idx = 1; idx >= 0; --idx) {
@@ -1336,7 +1919,9 @@ static int snd_pcm_oss_set_fragment(struct snd_pcm_oss_file *pcm_oss_file, unsig
static int snd_pcm_oss_nonblock(struct file * file)
{
+ spin_lock(&file->f_lock);
file->f_flags |= O_NONBLOCK;
+ spin_unlock(&file->f_lock);
return 0;
}
@@ -1377,7 +1962,8 @@ static int snd_pcm_oss_get_caps(struct snd_pcm_oss_file *pcm_oss_file)
return result;
}
-static void snd_pcm_oss_simulate_fill(struct snd_pcm_substream *substream, snd_pcm_uframes_t hw_ptr)
+static void snd_pcm_oss_simulate_fill(struct snd_pcm_substream *substream,
+ snd_pcm_uframes_t hw_ptr)
{
struct snd_pcm_runtime *runtime = substream->runtime;
snd_pcm_uframes_t appl_ptr;
@@ -1393,7 +1979,7 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
int err, cmd;
#ifdef OSS_DEBUG
- printk("pcm_oss: trigger = 0x%x\n", trigger);
+ pcm_dbg(substream->pcm, "pcm_oss: trigger = 0x%x\n", trigger);
#endif
psubstream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
@@ -1412,8 +1998,9 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
if (trigger & PCM_ENABLE_OUTPUT) {
if (runtime->oss.trigger)
goto _skip1;
- if (atomic_read(&psubstream->runtime->mmap_count))
- snd_pcm_oss_simulate_fill(psubstream, runtime->hw_ptr_interrupt);
+ if (atomic_read(&psubstream->mmap_count))
+ snd_pcm_oss_simulate_fill(psubstream,
+ get_hw_ptr_period(runtime));
runtime->oss.trigger = 1;
runtime->start_threshold = 1;
cmd = SNDRV_PCM_IOCTL_START;
@@ -1425,7 +2012,7 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
cmd = SNDRV_PCM_IOCTL_DROP;
runtime->oss.prepare = 1;
}
- err = snd_pcm_kernel_playback_ioctl(psubstream, cmd, NULL);
+ err = snd_pcm_kernel_ioctl(psubstream, cmd, NULL);
if (err < 0)
return err;
}
@@ -1446,7 +2033,7 @@ static int snd_pcm_oss_set_trigger(struct snd_pcm_oss_file *pcm_oss_file, int tr
cmd = SNDRV_PCM_IOCTL_DROP;
runtime->oss.prepare = 1;
}
- err = snd_pcm_kernel_capture_ioctl(csubstream, cmd, NULL);
+ err = snd_pcm_kernel_ioctl(csubstream, cmd, NULL);
if (err < 0)
return err;
}
@@ -1483,7 +2070,7 @@ static int snd_pcm_oss_get_odelay(struct snd_pcm_oss_file *pcm_oss_file)
runtime = substream->runtime;
if (runtime->oss.params || runtime->oss.prepare)
return 0;
- err = snd_pcm_kernel_playback_ioctl(substream, SNDRV_PCM_IOCTL_DELAY, &delay);
+ err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_DELAY, &delay);
if (err == -EPIPE)
delay = 0; /* hack for broken OSS applications */
else if (err < 0)
@@ -1530,21 +2117,21 @@ static int snd_pcm_oss_get_ptr(struct snd_pcm_oss_file *pcm_oss_file, int stream
if (err < 0)
return err;
info.ptr = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr % runtime->buffer_size);
- if (atomic_read(&runtime->mmap_count)) {
+ if (atomic_read(&substream->mmap_count)) {
snd_pcm_sframes_t n;
- n = (delay = runtime->hw_ptr_interrupt) - runtime->oss.prev_hw_ptr_interrupt;
+ delay = get_hw_ptr_period(runtime);
+ n = delay - runtime->oss.prev_hw_ptr_period;
if (n < 0)
n += runtime->boundary;
info.blocks = n / runtime->period_size;
- runtime->oss.prev_hw_ptr_interrupt = delay;
+ runtime->oss.prev_hw_ptr_period = delay;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
snd_pcm_oss_simulate_fill(substream, delay);
info.bytes = snd_pcm_oss_bytes(substream, runtime->status->hw_ptr) & INT_MAX;
} else {
delay = snd_pcm_oss_bytes(substream, delay);
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
- struct snd_pcm_oss_setup *setup = substream->oss.setup;
- if (setup && setup->buggyptr)
+ if (substream->oss.setup.buggyptr)
info.blocks = (runtime->oss.buffer_bytes - delay - fixup) / runtime->oss.period_bytes;
else
info.blocks = (delay + fixup) / runtime->oss.period_bytes;
@@ -1612,7 +2199,9 @@ static int snd_pcm_oss_get_space(struct snd_pcm_oss_file *pcm_oss_file, int stre
}
#ifdef OSS_DEBUG
- printk("pcm_oss: space: bytes = %i, fragments = %i, fragstotal = %i, fragsize = %i\n", info.bytes, info.fragments, info.fragstotal, info.fragsize);
+ pcm_dbg(substream->pcm,
+ "pcm_oss: space: bytes = %i, fragments = %i, fragstotal = %i, fragsize = %i\n",
+ info.bytes, info.fragments, info.fragstotal, info.fragsize);
#endif
if (copy_to_user(_info, &info, sizeof(info)))
return -EFAULT;
@@ -1622,41 +2211,50 @@ static int snd_pcm_oss_get_space(struct snd_pcm_oss_file *pcm_oss_file, int stre
static int snd_pcm_oss_get_mapbuf(struct snd_pcm_oss_file *pcm_oss_file, int stream, struct buffmem_desc __user * _info)
{
// it won't be probably implemented
- // snd_printd("TODO: snd_pcm_oss_get_mapbuf\n");
+ // pr_debug("TODO: snd_pcm_oss_get_mapbuf\n");
return -EINVAL;
}
-static struct snd_pcm_oss_setup *snd_pcm_oss_look_for_setup(struct snd_pcm *pcm, int stream, const char *task_name)
+static const char *strip_task_path(const char *path)
{
- const char *ptr, *ptrl;
- struct snd_pcm_oss_setup *setup;
-
- down(&pcm->streams[stream].oss.setup_mutex);
- for (setup = pcm->streams[stream].oss.setup_list; setup; setup = setup->next) {
- if (!strcmp(setup->task_name, task_name)) {
- up(&pcm->streams[stream].oss.setup_mutex);
- return setup;
- }
- }
- ptr = ptrl = task_name;
- while (*ptr) {
+ const char *ptr, *ptrl = NULL;
+ for (ptr = path; *ptr; ptr++) {
if (*ptr == '/')
ptrl = ptr + 1;
- ptr++;
- }
- if (ptrl == task_name) {
- goto __not_found;
- return NULL;
}
- for (setup = pcm->streams[stream].oss.setup_list; setup; setup = setup->next) {
- if (!strcmp(setup->task_name, ptrl)) {
- up(&pcm->streams[stream].oss.setup_mutex);
- return setup;
+ return ptrl;
+}
+
+static void snd_pcm_oss_look_for_setup(struct snd_pcm *pcm, int stream,
+ const char *task_name,
+ struct snd_pcm_oss_setup *rsetup)
+{
+ struct snd_pcm_oss_setup *setup;
+
+ mutex_lock(&pcm->streams[stream].oss.setup_mutex);
+ do {
+ for (setup = pcm->streams[stream].oss.setup_list; setup;
+ setup = setup->next) {
+ if (!strcmp(setup->task_name, task_name))
+ goto out;
}
- }
- __not_found:
- up(&pcm->streams[stream].oss.setup_mutex);
- return NULL;
+ } while ((task_name = strip_task_path(task_name)) != NULL);
+ out:
+ if (setup)
+ *rsetup = *setup;
+ mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
+}
+
+static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime;
+ runtime = substream->runtime;
+ vfree(runtime->oss.buffer);
+ runtime->oss.buffer = NULL;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
+ snd_pcm_oss_plugin_clear(substream);
+#endif
+ substream->oss.oss = 0;
}
static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
@@ -1666,11 +2264,16 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
struct snd_pcm_runtime *runtime;
substream->oss.oss = 1;
- substream->oss.setup = setup;
+ substream->oss.setup = *setup;
+ if (setup->nonblock)
+ substream->f_flags |= O_NONBLOCK;
+ else if (setup->block)
+ substream->f_flags &= ~O_NONBLOCK;
runtime = substream->runtime;
runtime->oss.params = 1;
runtime->oss.trigger = 1;
runtime->oss.rate = 8000;
+ mutex_init(&runtime->oss.params_lock);
switch (SNDRV_MINOR_OSS_DEVICE(minor)) {
case SNDRV_MINOR_OSS_PCM_8:
runtime->oss.format = AFMT_U8;
@@ -1685,41 +2288,18 @@ static void snd_pcm_oss_init_substream(struct snd_pcm_substream *substream,
runtime->oss.fragshift = 0;
runtime->oss.maxfrags = 0;
runtime->oss.subdivision = 0;
-}
-
-static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime;
- runtime = substream->runtime;
- vfree(runtime->oss.buffer);
- snd_pcm_oss_plugin_clear(substream);
- substream->oss.file = NULL;
- substream->oss.oss = 0;
+ substream->pcm_release = snd_pcm_oss_release_substream;
}
static int snd_pcm_oss_release_file(struct snd_pcm_oss_file *pcm_oss_file)
{
int cidx;
- snd_assert(pcm_oss_file != NULL, return -ENXIO);
+ if (!pcm_oss_file)
+ return 0;
for (cidx = 0; cidx < 2; ++cidx) {
struct snd_pcm_substream *substream = pcm_oss_file->streams[cidx];
- struct snd_pcm_runtime *runtime;
- if (substream == NULL)
- continue;
- runtime = substream->runtime;
-
- snd_pcm_stream_lock_irq(substream);
- if (snd_pcm_running(substream))
- snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
- snd_pcm_stream_unlock_irq(substream);
- if (substream->ffile != NULL) {
- if (substream->ops->hw_free != NULL)
- substream->ops->hw_free(substream);
- substream->ops->close(substream);
- substream->ffile = NULL;
- }
- snd_pcm_oss_release_substream(substream);
- snd_pcm_release_substream(substream);
+ if (substream)
+ snd_pcm_release_substream(substream);
}
kfree(pcm_oss_file);
return 0;
@@ -1729,16 +2309,15 @@ static int snd_pcm_oss_open_file(struct file *file,
struct snd_pcm *pcm,
struct snd_pcm_oss_file **rpcm_oss_file,
int minor,
- struct snd_pcm_oss_setup *psetup,
- struct snd_pcm_oss_setup *csetup)
+ struct snd_pcm_oss_setup *setup)
{
- int err = 0;
+ int idx, err;
struct snd_pcm_oss_file *pcm_oss_file;
- struct snd_pcm_substream *psubstream = NULL, *csubstream = NULL;
- unsigned int f_mode = file->f_mode;
+ struct snd_pcm_substream *substream;
+ fmode_t f_mode = file->f_mode;
- snd_assert(rpcm_oss_file != NULL, return -EINVAL);
- *rpcm_oss_file = NULL;
+ if (rpcm_oss_file)
+ *rpcm_oss_file = NULL;
pcm_oss_file = kzalloc(sizeof(*pcm_oss_file), GFP_KERNEL);
if (pcm_oss_file == NULL)
@@ -1747,76 +2326,39 @@ static int snd_pcm_oss_open_file(struct file *file,
if ((f_mode & (FMODE_WRITE|FMODE_READ)) == (FMODE_WRITE|FMODE_READ) &&
(pcm->info_flags & SNDRV_PCM_INFO_HALF_DUPLEX))
f_mode = FMODE_WRITE;
- if ((f_mode & FMODE_WRITE) && !(psetup && psetup->disable)) {
- if ((err = snd_pcm_open_substream(pcm, SNDRV_PCM_STREAM_PLAYBACK,
- &psubstream)) < 0) {
+
+ file->f_flags &= ~O_APPEND;
+ for (idx = 0; idx < 2; idx++) {
+ if (setup[idx].disable)
+ continue;
+ if (! pcm->streams[idx].substream_count)
+ continue; /* no matching substream */
+ if (idx == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (! (f_mode & FMODE_WRITE))
+ continue;
+ } else {
+ if (! (f_mode & FMODE_READ))
+ continue;
+ }
+ err = snd_pcm_open_substream(pcm, idx, file, &substream);
+ if (err < 0) {
snd_pcm_oss_release_file(pcm_oss_file);
return err;
}
- pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK] = psubstream;
- }
- if ((f_mode & FMODE_READ) && !(csetup && csetup->disable)) {
- if ((err = snd_pcm_open_substream(pcm, SNDRV_PCM_STREAM_CAPTURE,
- &csubstream)) < 0) {
- if (!(f_mode & FMODE_WRITE) || err != -ENODEV) {
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- } else {
- csubstream = NULL;
- }
- }
- pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE] = csubstream;
+
+ pcm_oss_file->streams[idx] = substream;
+ substream->file = pcm_oss_file;
+ snd_pcm_oss_init_substream(substream, &setup[idx], minor);
}
- if (psubstream == NULL && csubstream == NULL) {
+ if (!pcm_oss_file->streams[0] && !pcm_oss_file->streams[1]) {
snd_pcm_oss_release_file(pcm_oss_file);
return -EINVAL;
}
- if (psubstream != NULL) {
- psubstream->oss.file = pcm_oss_file;
- err = snd_pcm_hw_constraints_init(psubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_init failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- if ((err = psubstream->ops->open(psubstream)) < 0) {
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- psubstream->ffile = file;
- err = snd_pcm_hw_constraints_complete(psubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_complete failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- snd_pcm_oss_init_substream(psubstream, psetup, minor);
- }
- if (csubstream != NULL) {
- csubstream->oss.file = pcm_oss_file;
- err = snd_pcm_hw_constraints_init(csubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_init failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- if ((err = csubstream->ops->open(csubstream)) < 0) {
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- csubstream->ffile = file;
- err = snd_pcm_hw_constraints_complete(csubstream);
- if (err < 0) {
- snd_printd("snd_pcm_hw_constraint_complete failed\n");
- snd_pcm_oss_release_file(pcm_oss_file);
- return err;
- }
- snd_pcm_oss_init_substream(csubstream, csetup, minor);
- }
file->private_data = pcm_oss_file;
- *rpcm_oss_file = pcm_oss_file;
+ if (rpcm_oss_file)
+ *rpcm_oss_file = pcm_oss_file;
return 0;
}
@@ -1825,7 +2367,8 @@ static int snd_task_name(struct task_struct *task, char *name, size_t size)
{
unsigned int idx;
- snd_assert(task != NULL && name != NULL && size >= 2, return -EINVAL);
+ if (snd_BUG_ON(!task || !name || size < 2))
+ return -EINVAL;
for (idx = 0; idx < sizeof(task->comm) && idx + 1 < size; idx++)
name[idx] = task->comm[idx];
name[idx] = '\0';
@@ -1838,10 +2381,14 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
char task_name[32];
struct snd_pcm *pcm;
struct snd_pcm_oss_file *pcm_oss_file;
- struct snd_pcm_oss_setup *psetup = NULL, *csetup = NULL;
+ struct snd_pcm_oss_setup setup[2];
int nonblock;
wait_queue_t wait;
+ err = nonseekable_open(inode, file);
+ if (err < 0)
+ return err;
+
pcm = snd_lookup_oss_minor_data(iminor(inode),
SNDRV_OSS_DEVICE_TYPE_PCM);
if (pcm == NULL) {
@@ -1859,32 +2406,24 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
err = -EFAULT;
goto __error;
}
+ memset(setup, 0, sizeof(setup));
if (file->f_mode & FMODE_WRITE)
- psetup = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_PLAYBACK, task_name);
+ snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_PLAYBACK,
+ task_name, &setup[0]);
if (file->f_mode & FMODE_READ)
- csetup = snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_CAPTURE, task_name);
+ snd_pcm_oss_look_for_setup(pcm, SNDRV_PCM_STREAM_CAPTURE,
+ task_name, &setup[1]);
nonblock = !!(file->f_flags & O_NONBLOCK);
- if (psetup && !psetup->disable) {
- if (psetup->nonblock)
- nonblock = 1;
- else if (psetup->block)
- nonblock = 0;
- } else if (csetup && !csetup->disable) {
- if (csetup->nonblock)
- nonblock = 1;
- else if (csetup->block)
- nonblock = 0;
- }
if (!nonblock)
nonblock = nonblock_open;
init_waitqueue_entry(&wait, current);
add_wait_queue(&pcm->open_wait, &wait);
- down(&pcm->open_mutex);
+ mutex_lock(&pcm->open_mutex);
while (1) {
err = snd_pcm_oss_open_file(file, pcm, &pcm_oss_file,
- iminor(inode), psetup, csetup);
+ iminor(inode), setup);
if (err >= 0)
break;
if (err == -EAGAIN) {
@@ -1895,18 +2434,23 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
} else
break;
set_current_state(TASK_INTERRUPTIBLE);
- up(&pcm->open_mutex);
+ mutex_unlock(&pcm->open_mutex);
schedule();
- down(&pcm->open_mutex);
+ mutex_lock(&pcm->open_mutex);
+ if (pcm->card->shutdown) {
+ err = -ENODEV;
+ break;
+ }
if (signal_pending(current)) {
err = -ERESTARTSYS;
break;
}
}
remove_wait_queue(&pcm->open_wait, &wait);
- up(&pcm->open_mutex);
+ mutex_unlock(&pcm->open_mutex);
if (err < 0)
goto __error;
+ snd_card_unref(pcm->card);
return err;
__error:
@@ -1914,6 +2458,8 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
__error2:
snd_card_file_remove(pcm->card, file);
__error1:
+ if (pcm)
+ snd_card_unref(pcm->card);
return err;
}
@@ -1927,12 +2473,14 @@ static int snd_pcm_oss_release(struct inode *inode, struct file *file)
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
if (substream == NULL)
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
- snd_assert(substream != NULL, return -ENXIO);
+ if (snd_BUG_ON(!substream))
+ return -ENXIO;
pcm = substream->pcm;
- snd_pcm_oss_sync(pcm_oss_file);
- down(&pcm->open_mutex);
+ if (!pcm->card->shutdown)
+ snd_pcm_oss_sync(pcm_oss_file);
+ mutex_lock(&pcm->open_mutex);
snd_pcm_oss_release_file(pcm_oss_file);
- up(&pcm->open_mutex);
+ mutex_unlock(&pcm->open_mutex);
wake_up(&pcm->open_wait);
module_put(pcm->card->module);
snd_card_file_remove(pcm->card, file);
@@ -1959,14 +2507,15 @@ static long snd_pcm_oss_ioctl(struct file *file, unsigned int cmd, unsigned long
if (substream != NULL)
break;
}
- snd_assert(substream != NULL, return -ENXIO);
+ if (snd_BUG_ON(idx >= 2))
+ return -ENXIO;
return snd_mixer_oss_ioctl_card(substream->pcm->card, cmd, arg);
}
#endif
if (((cmd >> 8) & 0xff) != 'P')
return -EINVAL;
#ifdef OSS_DEBUG
- printk("pcm_oss: ioctl = 0x%x\n", cmd);
+ pr_debug("pcm_oss: ioctl = 0x%x\n", cmd);
#endif
switch (cmd) {
case SNDCTL_DSP_RESET:
@@ -2093,7 +2642,7 @@ static long snd_pcm_oss_ioctl(struct file *file, unsigned int cmd, unsigned long
case SNDCTL_DSP_PROFILE:
return 0; /* silently ignore */
default:
- snd_printd("pcm_oss: unknown command = 0x%x\n", cmd);
+ pr_debug("pcm_oss: unknown command = 0x%x\n", cmd);
}
return -EINVAL;
}
@@ -2114,12 +2663,15 @@ static ssize_t snd_pcm_oss_read(struct file *file, char __user *buf, size_t coun
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_CAPTURE];
if (substream == NULL)
return -ENXIO;
+ substream->f_flags = file->f_flags & O_NONBLOCK;
#ifndef OSS_DEBUG
return snd_pcm_oss_read1(substream, buf, count);
#else
{
ssize_t res = snd_pcm_oss_read1(substream, buf, count);
- printk("pcm_oss: read %li bytes (returned %li bytes)\n", (long)count, (long)res);
+ pcm_dbg(substream->pcm,
+ "pcm_oss: read %li bytes (returned %li bytes)\n",
+ (long)count, (long)res);
return res;
}
#endif
@@ -2135,9 +2687,11 @@ static ssize_t snd_pcm_oss_write(struct file *file, const char __user *buf, size
substream = pcm_oss_file->streams[SNDRV_PCM_STREAM_PLAYBACK];
if (substream == NULL)
return -ENXIO;
+ substream->f_flags = file->f_flags & O_NONBLOCK;
result = snd_pcm_oss_write1(substream, buf, count);
#ifdef OSS_DEBUG
- printk("pcm_oss: write %li bytes (wrote %li bytes)\n", (long)count, (long)result);
+ pcm_dbg(substream->pcm, "pcm_oss: write %li bytes (wrote %li bytes)\n",
+ (long)count, (long)result);
#endif
return result;
}
@@ -2145,19 +2699,23 @@ static ssize_t snd_pcm_oss_write(struct file *file, const char __user *buf, size
static int snd_pcm_oss_playback_ready(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
- return runtime->oss.prev_hw_ptr_interrupt != runtime->hw_ptr_interrupt;
+ if (atomic_read(&substream->mmap_count))
+ return runtime->oss.prev_hw_ptr_period !=
+ get_hw_ptr_period(runtime);
else
- return snd_pcm_playback_avail(runtime) >= runtime->oss.period_frames;
+ return snd_pcm_playback_avail(runtime) >=
+ runtime->oss.period_frames;
}
static int snd_pcm_oss_capture_ready(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- if (atomic_read(&runtime->mmap_count))
- return runtime->oss.prev_hw_ptr_interrupt != runtime->hw_ptr_interrupt;
+ if (atomic_read(&substream->mmap_count))
+ return runtime->oss.prev_hw_ptr_period !=
+ get_hw_ptr_period(runtime);
else
- return snd_pcm_capture_avail(runtime) >= runtime->oss.period_frames;
+ return snd_pcm_capture_avail(runtime) >=
+ runtime->oss.period_frames;
}
static unsigned int snd_pcm_oss_poll(struct file *file, poll_table * wait)
@@ -2211,7 +2769,7 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
int err;
#ifdef OSS_DEBUG
- printk("pcm_oss: mmap begin\n");
+ pr_debug("pcm_oss: mmap begin\n");
#endif
pcm_oss_file = file->private_data;
switch ((area->vm_flags & (VM_READ | VM_WRITE))) {
@@ -2246,8 +2804,10 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
if ((err = snd_pcm_oss_change_params(substream)) < 0)
return err;
}
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
if (runtime->oss.plugin_first != NULL)
return -EIO;
+#endif
if (area->vm_pgoff != 0)
return -EINVAL;
@@ -2259,7 +2819,8 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
runtime->silence_threshold = 0;
runtime->silence_size = 0;
#ifdef OSS_DEBUG
- printk("pcm_oss: mmap ok, bytes = 0x%x\n", runtime->oss.mmap_bytes);
+ pr_debug("pcm_oss: mmap ok, bytes = 0x%x\n",
+ runtime->oss.mmap_bytes);
#endif
/* In mmap mode we never stop */
runtime->stop_threshold = runtime->boundary;
@@ -2267,7 +2828,7 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
return 0;
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_VERBOSE_PROCFS
/*
* /proc interface
*/
@@ -2277,7 +2838,7 @@ static void snd_pcm_oss_proc_read(struct snd_info_entry *entry,
{
struct snd_pcm_str *pstr = entry->private_data;
struct snd_pcm_oss_setup *setup = pstr->oss.setup_list;
- down(&pstr->oss.setup_mutex);
+ mutex_lock(&pstr->oss.setup_mutex);
while (setup) {
snd_iprintf(buffer, "%s %u %u%s%s%s%s%s%s\n",
setup->task_name,
@@ -2291,18 +2852,13 @@ static void snd_pcm_oss_proc_read(struct snd_info_entry *entry,
setup->nosilence ? " no-silence" : "");
setup = setup->next;
}
- up(&pstr->oss.setup_mutex);
+ mutex_unlock(&pstr->oss.setup_mutex);
}
static void snd_pcm_oss_proc_free_setup_list(struct snd_pcm_str * pstr)
{
- unsigned int idx;
- struct snd_pcm_substream *substream;
struct snd_pcm_oss_setup *setup, *setupn;
- for (idx = 0, substream = pstr->substream;
- idx < pstr->substream_count; idx++, substream = substream->next)
- substream->oss.setup = NULL;
for (setup = pstr->oss.setup_list, pstr->oss.setup_list = NULL;
setup; setup = setupn) {
setupn = setup->next;
@@ -2316,17 +2872,18 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
struct snd_info_buffer *buffer)
{
struct snd_pcm_str *pstr = entry->private_data;
- char line[128], str[32], task_name[32], *ptr;
+ char line[128], str[32], task_name[32];
+ const char *ptr;
int idx1;
struct snd_pcm_oss_setup *setup, *setup1, template;
while (!snd_info_get_line(buffer, line, sizeof(line))) {
- down(&pstr->oss.setup_mutex);
+ mutex_lock(&pstr->oss.setup_mutex);
memset(&template, 0, sizeof(template));
ptr = snd_info_get_str(task_name, line, sizeof(task_name));
if (!strcmp(task_name, "clear") || !strcmp(task_name, "erase")) {
snd_pcm_oss_proc_free_setup_list(pstr);
- up(&pstr->oss.setup_mutex);
+ mutex_unlock(&pstr->oss.setup_mutex);
continue;
}
for (setup = pstr->oss.setup_list; setup; setup = setup->next) {
@@ -2363,22 +2920,29 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
}
} while (*str);
if (setup == NULL) {
- setup = kmalloc(sizeof(struct snd_pcm_oss_setup), GFP_KERNEL);
- if (setup) {
- if (pstr->oss.setup_list == NULL) {
- pstr->oss.setup_list = setup;
- } else {
- for (setup1 = pstr->oss.setup_list; setup1->next; setup1 = setup1->next);
- setup1->next = setup;
- }
- template.task_name = kstrdup(task_name, GFP_KERNEL);
- } else {
+ setup = kmalloc(sizeof(*setup), GFP_KERNEL);
+ if (! setup) {
buffer->error = -ENOMEM;
+ mutex_unlock(&pstr->oss.setup_mutex);
+ return;
+ }
+ if (pstr->oss.setup_list == NULL)
+ pstr->oss.setup_list = setup;
+ else {
+ for (setup1 = pstr->oss.setup_list;
+ setup1->next; setup1 = setup1->next);
+ setup1->next = setup;
+ }
+ template.task_name = kstrdup(task_name, GFP_KERNEL);
+ if (! template.task_name) {
+ kfree(setup);
+ buffer->error = -ENOMEM;
+ mutex_unlock(&pstr->oss.setup_mutex);
+ return;
}
}
- if (setup)
- *setup = template;
- up(&pstr->oss.setup_mutex);
+ *setup = template;
+ mutex_unlock(&pstr->oss.setup_mutex);
}
}
@@ -2393,9 +2957,7 @@ static void snd_pcm_oss_proc_init(struct snd_pcm *pcm)
if ((entry = snd_info_create_card_entry(pcm->card, "oss", pstr->proc_root)) != NULL) {
entry->content = SNDRV_INFO_CONTENT_TEXT;
entry->mode = S_IFREG | S_IRUGO | S_IWUSR;
- entry->c.text.read_size = 8192;
entry->c.text.read = snd_pcm_oss_proc_read;
- entry->c.text.write_size = 8192;
entry->c.text.write = snd_pcm_oss_proc_write;
entry->private_data = pstr;
if (snd_info_register(entry) < 0) {
@@ -2412,29 +2974,28 @@ static void snd_pcm_oss_proc_done(struct snd_pcm *pcm)
int stream;
for (stream = 0; stream < 2; ++stream) {
struct snd_pcm_str *pstr = &pcm->streams[stream];
- if (pstr->oss.proc_entry) {
- snd_info_unregister(pstr->oss.proc_entry);
- pstr->oss.proc_entry = NULL;
- snd_pcm_oss_proc_free_setup_list(pstr);
- }
+ snd_info_free_entry(pstr->oss.proc_entry);
+ pstr->oss.proc_entry = NULL;
+ snd_pcm_oss_proc_free_setup_list(pstr);
}
}
-#else /* !CONFIG_PROC_FS */
+#else /* !CONFIG_SND_VERBOSE_PROCFS */
#define snd_pcm_oss_proc_init(pcm)
#define snd_pcm_oss_proc_done(pcm)
-#endif /* CONFIG_PROC_FS */
+#endif /* CONFIG_SND_VERBOSE_PROCFS */
/*
* ENTRY functions
*/
-static struct file_operations snd_pcm_oss_f_reg =
+static const struct file_operations snd_pcm_oss_f_reg =
{
.owner = THIS_MODULE,
.read = snd_pcm_oss_read,
.write = snd_pcm_oss_write,
.open = snd_pcm_oss_open,
.release = snd_pcm_oss_release,
+ .llseek = no_llseek,
.poll = snd_pcm_oss_poll,
.unlocked_ioctl = snd_pcm_oss_ioctl,
.compat_ioctl = snd_pcm_oss_ioctl_compat,
@@ -2443,12 +3004,10 @@ static struct file_operations snd_pcm_oss_f_reg =
static void register_oss_dsp(struct snd_pcm *pcm, int index)
{
- char name[128];
- sprintf(name, "dsp%i%i", pcm->card->number, pcm->device);
if (snd_register_oss_device(SNDRV_OSS_DEVICE_TYPE_PCM,
pcm->card, index, &snd_pcm_oss_f_reg,
- pcm, name) < 0) {
- snd_printk(KERN_ERR "unable to register OSS PCM device %i:%i\n",
+ pcm) < 0) {
+ pcm_err(pcm, "unable to register OSS PCM device %i:%i\n",
pcm->card->number, pcm->device);
}
}
@@ -2497,25 +3056,23 @@ static int snd_pcm_oss_disconnect_minor(struct snd_pcm *pcm)
snd_unregister_oss_device(SNDRV_OSS_DEVICE_TYPE_PCM,
pcm->card, 1);
}
- }
- return 0;
-}
-
-static int snd_pcm_oss_unregister_minor(struct snd_pcm *pcm)
-{
- snd_pcm_oss_disconnect_minor(pcm);
- if (pcm->oss.reg) {
if (dsp_map[pcm->card->number] == (int)pcm->device) {
#ifdef SNDRV_OSS_INFO_DEV_AUDIO
snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_AUDIO, pcm->card->number);
#endif
}
pcm->oss.reg = 0;
- snd_pcm_oss_proc_done(pcm);
}
return 0;
}
+static int snd_pcm_oss_unregister_minor(struct snd_pcm *pcm)
+{
+ snd_pcm_oss_disconnect_minor(pcm);
+ snd_pcm_oss_proc_done(pcm);
+ return 0;
+}
+
static struct snd_pcm_notify snd_pcm_oss_notify =
{
.n_register = snd_pcm_oss_register_minor,
@@ -2531,12 +3088,12 @@ static int __init alsa_pcm_oss_init(void)
/* check device map table */
for (i = 0; i < SNDRV_CARDS; i++) {
if (dsp_map[i] < 0 || dsp_map[i] >= SNDRV_PCM_DEVICES) {
- snd_printk(KERN_ERR "invalid dsp_map[%d] = %d\n",
+ pr_err("ALSA: pcm_oss: invalid dsp_map[%d] = %d\n",
i, dsp_map[i]);
dsp_map[i] = 0;
}
if (adsp_map[i] < 0 || adsp_map[i] >= SNDRV_PCM_DEVICES) {
- snd_printk(KERN_ERR "invalid adsp_map[%d] = %d\n",
+ pr_err("ALSA: pcm_oss: invalid adsp_map[%d] = %d\n",
i, adsp_map[i]);
adsp_map[i] = 1;
}
diff --git a/sound/core/oss/pcm_plugin.c b/sound/core/oss/pcm_plugin.c
index 7e8676880dd..727ac44d39f 100644
--- a/sound/core/oss/pcm_plugin.c
+++ b/sound/core/oss/pcm_plugin.c
@@ -1,6 +1,6 @@
/*
* PCM Plug-In shared (kernel/library) code
- * Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
* Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
*
*
@@ -24,7 +24,6 @@
#define PLUGIN_DEBUG
#endif
-#include <sound/driver.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/vmalloc.h>
@@ -36,26 +35,6 @@
#define snd_pcm_plug_first(plug) ((plug)->runtime->oss.plugin_first)
#define snd_pcm_plug_last(plug) ((plug)->runtime->oss.plugin_last)
-static int snd_pcm_plugin_src_channels_mask(struct snd_pcm_plugin *plugin,
- unsigned long *dst_vmask,
- unsigned long **src_vmask)
-{
- unsigned long *vmask = plugin->src_vmask;
- bitmap_copy(vmask, dst_vmask, plugin->src_format.channels);
- *src_vmask = vmask;
- return 0;
-}
-
-static int snd_pcm_plugin_dst_channels_mask(struct snd_pcm_plugin *plugin,
- unsigned long *src_vmask,
- unsigned long **dst_vmask)
-{
- unsigned long *vmask = plugin->dst_vmask;
- bitmap_copy(vmask, src_vmask, plugin->dst_format.channels);
- *dst_vmask = vmask;
- return 0;
-}
-
/*
* because some cards might have rates "very close", we ignore
* all "resampling" requests within +-5%
@@ -83,7 +62,8 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t
if ((width = snd_pcm_format_physical_width(format->format)) < 0)
return width;
size = frames * format->channels * width;
- snd_assert((size % 8) == 0, return -ENXIO);
+ if (snd_BUG_ON(size % 8))
+ return -ENXIO;
size /= 8;
if (plugin->buf_frames < frames) {
vfree(plugin->buf);
@@ -105,7 +85,8 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t
c->area.step = format->channels * width;
}
} else if (plugin->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) {
- snd_assert((size % format->channels) == 0,);
+ if (snd_BUG_ON(size % format->channels))
+ return -EINVAL;
size /= format->channels;
for (channel = 0; channel < format->channels; channel++, c++) {
c->frames = frames;
@@ -123,13 +104,15 @@ static int snd_pcm_plugin_alloc(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t
int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
{
int err;
- snd_assert(snd_pcm_plug_first(plug) != NULL, return -ENXIO);
+ if (snd_BUG_ON(!snd_pcm_plug_first(plug)))
+ return -ENXIO;
if (snd_pcm_plug_stream(plug) == SNDRV_PCM_STREAM_PLAYBACK) {
struct snd_pcm_plugin *plugin = snd_pcm_plug_first(plug);
while (plugin->next) {
if (plugin->dst_frames)
frames = plugin->dst_frames(plugin, frames);
- snd_assert(frames > 0, return -ENXIO);
+ if (snd_BUG_ON(frames <= 0))
+ return -ENXIO;
plugin = plugin->next;
err = snd_pcm_plugin_alloc(plugin, frames);
if (err < 0)
@@ -140,7 +123,8 @@ int snd_pcm_plug_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t frames)
while (plugin->prev) {
if (plugin->src_frames)
frames = plugin->src_frames(plugin, frames);
- snd_assert(frames > 0, return -ENXIO);
+ if (snd_BUG_ON(frames <= 0))
+ return -ENXIO;
plugin = plugin->prev;
err = snd_pcm_plugin_alloc(plugin, frames);
if (err < 0)
@@ -169,8 +153,10 @@ int snd_pcm_plugin_build(struct snd_pcm_substream *plug,
struct snd_pcm_plugin *plugin;
unsigned int channels;
- snd_assert(plug != NULL, return -ENXIO);
- snd_assert(src_format != NULL && dst_format != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plug))
+ return -ENXIO;
+ if (snd_BUG_ON(!src_format || !dst_format))
+ return -ENXIO;
plugin = kzalloc(sizeof(*plugin) + extra, GFP_KERNEL);
if (plugin == NULL)
return -ENOMEM;
@@ -180,10 +166,10 @@ int snd_pcm_plugin_build(struct snd_pcm_substream *plug,
plugin->access = SNDRV_PCM_ACCESS_RW_INTERLEAVED;
plugin->src_format = *src_format;
plugin->src_width = snd_pcm_format_physical_width(src_format->format);
- snd_assert(plugin->src_width > 0, );
+ snd_BUG_ON(plugin->src_width <= 0);
plugin->dst_format = *dst_format;
plugin->dst_width = snd_pcm_format_physical_width(dst_format->format);
- snd_assert(plugin->dst_width > 0, );
+ snd_BUG_ON(plugin->dst_width <= 0);
if (plugin->stream == SNDRV_PCM_STREAM_PLAYBACK)
channels = src_format->channels;
else
@@ -193,19 +179,7 @@ int snd_pcm_plugin_build(struct snd_pcm_substream *plug,
snd_pcm_plugin_free(plugin);
return -ENOMEM;
}
- plugin->src_vmask = bitmap_alloc(src_format->channels);
- if (plugin->src_vmask == NULL) {
- snd_pcm_plugin_free(plugin);
- return -ENOMEM;
- }
- plugin->dst_vmask = bitmap_alloc(dst_format->channels);
- if (plugin->dst_vmask == NULL) {
- snd_pcm_plugin_free(plugin);
- return -ENOMEM;
- }
plugin->client_channels = snd_pcm_plugin_client_channels;
- plugin->src_channels_mask = snd_pcm_plugin_src_channels_mask;
- plugin->dst_channels_mask = snd_pcm_plugin_dst_channels_mask;
*ret = plugin;
return 0;
}
@@ -218,8 +192,6 @@ int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin)
plugin->private_free(plugin);
kfree(plugin->buf_channels);
vfree(plugin->buf);
- kfree(plugin->src_vmask);
- kfree(plugin->dst_vmask);
kfree(plugin);
return 0;
}
@@ -227,11 +199,13 @@ int snd_pcm_plugin_free(struct snd_pcm_plugin *plugin)
snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *plug, snd_pcm_uframes_t drv_frames)
{
struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next;
- int stream = snd_pcm_plug_stream(plug);
+ int stream;
- snd_assert(plug != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plug))
+ return -ENXIO;
if (drv_frames == 0)
return 0;
+ stream = snd_pcm_plug_stream(plug);
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
plugin = snd_pcm_plug_last(plug);
while (plugin && drv_frames > 0) {
@@ -257,12 +231,14 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc
{
struct snd_pcm_plugin *plugin, *plugin_prev, *plugin_next;
snd_pcm_sframes_t frames;
- int stream = snd_pcm_plug_stream(plug);
+ int stream;
- snd_assert(plug != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plug))
+ return -ENXIO;
if (clt_frames == 0)
return 0;
frames = clt_frames;
+ stream = snd_pcm_plug_stream(plug);
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
plugin = snd_pcm_plug_first(plug);
while (plugin && frames > 0) {
@@ -290,7 +266,7 @@ snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *plug, snd_pc
return frames;
}
-static int snd_pcm_plug_formats(struct snd_mask *mask, int format)
+static int snd_pcm_plug_formats(struct snd_mask *mask, snd_pcm_format_t format)
{
struct snd_mask formats = *mask;
u64 linfmts = (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S8 |
@@ -298,22 +274,28 @@ static int snd_pcm_plug_formats(struct snd_mask *mask, int format)
SNDRV_PCM_FMTBIT_U16_BE | SNDRV_PCM_FMTBIT_S16_BE |
SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_S24_LE |
SNDRV_PCM_FMTBIT_U24_BE | SNDRV_PCM_FMTBIT_S24_BE |
+ SNDRV_PCM_FMTBIT_U24_3LE | SNDRV_PCM_FMTBIT_S24_3LE |
+ SNDRV_PCM_FMTBIT_U24_3BE | SNDRV_PCM_FMTBIT_S24_3BE |
SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_S32_LE |
SNDRV_PCM_FMTBIT_U32_BE | SNDRV_PCM_FMTBIT_S32_BE);
- snd_mask_set(&formats, SNDRV_PCM_FORMAT_MU_LAW);
+ snd_mask_set(&formats, (__force int)SNDRV_PCM_FORMAT_MU_LAW);
if (formats.bits[0] & (u32)linfmts)
formats.bits[0] |= (u32)linfmts;
if (formats.bits[1] & (u32)(linfmts >> 32))
formats.bits[1] |= (u32)(linfmts >> 32);
- return snd_mask_test(&formats, format);
+ return snd_mask_test(&formats, (__force int)format);
}
-static int preferred_formats[] = {
+static snd_pcm_format_t preferred_formats[] = {
SNDRV_PCM_FORMAT_S16_LE,
SNDRV_PCM_FORMAT_S16_BE,
SNDRV_PCM_FORMAT_U16_LE,
SNDRV_PCM_FORMAT_U16_BE,
+ SNDRV_PCM_FORMAT_S24_3LE,
+ SNDRV_PCM_FORMAT_S24_3BE,
+ SNDRV_PCM_FORMAT_U24_3LE,
+ SNDRV_PCM_FORMAT_U24_3BE,
SNDRV_PCM_FORMAT_S24_LE,
SNDRV_PCM_FORMAT_S24_BE,
SNDRV_PCM_FORMAT_U24_LE,
@@ -326,52 +308,52 @@ static int preferred_formats[] = {
SNDRV_PCM_FORMAT_U8
};
-int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask)
+snd_pcm_format_t snd_pcm_plug_slave_format(snd_pcm_format_t format,
+ struct snd_mask *format_mask)
{
- if (snd_mask_test(format_mask, format))
+ int i;
+
+ if (snd_mask_test(format_mask, (__force int)format))
return format;
- if (! snd_pcm_plug_formats(format_mask, format))
- return -EINVAL;
+ if (!snd_pcm_plug_formats(format_mask, format))
+ return (__force snd_pcm_format_t)-EINVAL;
if (snd_pcm_format_linear(format)) {
- int width = snd_pcm_format_width(format);
- int unsignd = snd_pcm_format_unsigned(format);
- int big = snd_pcm_format_big_endian(format);
- int format1;
- int wid, width1=width;
- int dwidth1 = 8;
- for (wid = 0; wid < 4; ++wid) {
- int end, big1 = big;
- for (end = 0; end < 2; ++end) {
- int sgn, unsignd1 = unsignd;
- for (sgn = 0; sgn < 2; ++sgn) {
- format1 = snd_pcm_build_linear_format(width1, unsignd1, big1);
- if (format1 >= 0 &&
- snd_mask_test(format_mask, format1))
- goto _found;
- unsignd1 = !unsignd1;
- }
- big1 = !big1;
- }
- if (width1 == 32) {
- dwidth1 = -dwidth1;
- width1 = width;
+ unsigned int width = snd_pcm_format_width(format);
+ int unsignd = snd_pcm_format_unsigned(format) > 0;
+ int big = snd_pcm_format_big_endian(format) > 0;
+ unsigned int badness, best = -1;
+ snd_pcm_format_t best_format = (__force snd_pcm_format_t)-1;
+ for (i = 0; i < ARRAY_SIZE(preferred_formats); i++) {
+ snd_pcm_format_t f = preferred_formats[i];
+ unsigned int w;
+ if (!snd_mask_test(format_mask, (__force int)f))
+ continue;
+ w = snd_pcm_format_width(f);
+ if (w >= width)
+ badness = w - width;
+ else
+ badness = width - w + 32;
+ badness += snd_pcm_format_unsigned(f) != unsignd;
+ badness += snd_pcm_format_big_endian(f) != big;
+ if (badness < best) {
+ best_format = f;
+ best = badness;
}
- width1 += dwidth1;
}
- return -EINVAL;
- _found:
- return format1;
+ if ((__force int)best_format >= 0)
+ return best_format;
+ else
+ return (__force snd_pcm_format_t)-EINVAL;
} else {
- unsigned int i;
switch (format) {
case SNDRV_PCM_FORMAT_MU_LAW:
for (i = 0; i < ARRAY_SIZE(preferred_formats); ++i) {
- int format1 = preferred_formats[i];
- if (snd_mask_test(format_mask, format1))
+ snd_pcm_format_t format1 = preferred_formats[i];
+ if (snd_mask_test(format_mask, (__force int)format1))
return format1;
}
default:
- return -EINVAL;
+ return (__force snd_pcm_format_t)-EINVAL;
}
}
}
@@ -383,7 +365,7 @@ int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_format tmpformat;
struct snd_pcm_plugin_format dstformat;
struct snd_pcm_plugin_format srcformat;
- int src_access, dst_access;
+ snd_pcm_access_t src_access, dst_access;
struct snd_pcm_plugin *plugin = NULL;
int err;
int stream = snd_pcm_plug_stream(plug);
@@ -429,24 +411,14 @@ int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,
dstformat.channels);
/* Format change (linearization) */
- if ((srcformat.format != dstformat.format ||
- !rate_match(srcformat.rate, dstformat.rate) ||
- srcformat.channels != dstformat.channels) &&
- !snd_pcm_format_linear(srcformat.format)) {
- if (snd_pcm_format_linear(dstformat.format))
- tmpformat.format = dstformat.format;
- else
- tmpformat.format = SNDRV_PCM_FORMAT_S16;
- switch (srcformat.format) {
- case SNDRV_PCM_FORMAT_MU_LAW:
- err = snd_pcm_plugin_build_mulaw(plug,
- &srcformat, &tmpformat,
- &plugin);
- break;
- default:
+ if (! rate_match(srcformat.rate, dstformat.rate) &&
+ ! snd_pcm_format_linear(srcformat.format)) {
+ if (srcformat.format != SNDRV_PCM_FORMAT_MU_LAW)
return -EINVAL;
- }
- pdprintf("format change: src=%i, dst=%i returns %i\n", srcformat.format, tmpformat.format, err);
+ tmpformat.format = SNDRV_PCM_FORMAT_S16;
+ err = snd_pcm_plugin_build_mulaw(plug,
+ &srcformat, &tmpformat,
+ &plugin);
if (err < 0)
return err;
err = snd_pcm_plugin_append(plugin);
@@ -460,35 +432,11 @@ int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,
/* channels reduction */
if (srcformat.channels > dstformat.channels) {
- int sv = srcformat.channels;
- int dv = dstformat.channels;
- int *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
- if (ttable == NULL)
- return -ENOMEM;
-#if 1
- if (sv == 2 && dv == 1) {
- ttable[0] = HALF;
- ttable[1] = HALF;
- } else
-#endif
- {
- int v;
- for (v = 0; v < dv; ++v)
- ttable[v * sv + v] = FULL;
- }
tmpformat.channels = dstformat.channels;
- if (rate_match(srcformat.rate, dstformat.rate) &&
- snd_pcm_format_linear(dstformat.format))
- tmpformat.format = dstformat.format;
- err = snd_pcm_plugin_build_route(plug,
- &srcformat, &tmpformat,
- ttable, &plugin);
- kfree(ttable);
+ err = snd_pcm_plugin_build_route(plug, &srcformat, &tmpformat, &plugin);
pdprintf("channels reduction: src=%i, dst=%i returns %i\n", srcformat.channels, tmpformat.channels, err);
- if (err < 0) {
- snd_pcm_plugin_free(plugin);
+ if (err < 0)
return err;
- }
err = snd_pcm_plugin_append(plugin);
if (err < 0) {
snd_pcm_plugin_free(plugin);
@@ -500,18 +448,29 @@ int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,
/* rate resampling */
if (!rate_match(srcformat.rate, dstformat.rate)) {
+ if (srcformat.format != SNDRV_PCM_FORMAT_S16) {
+ /* convert to S16 for resampling */
+ tmpformat.format = SNDRV_PCM_FORMAT_S16;
+ err = snd_pcm_plugin_build_linear(plug,
+ &srcformat, &tmpformat,
+ &plugin);
+ if (err < 0)
+ return err;
+ err = snd_pcm_plugin_append(plugin);
+ if (err < 0) {
+ snd_pcm_plugin_free(plugin);
+ return err;
+ }
+ srcformat = tmpformat;
+ src_access = dst_access;
+ }
tmpformat.rate = dstformat.rate;
- if (srcformat.channels == dstformat.channels &&
- snd_pcm_format_linear(dstformat.format))
- tmpformat.format = dstformat.format;
err = snd_pcm_plugin_build_rate(plug,
&srcformat, &tmpformat,
&plugin);
pdprintf("rate down resampling: src=%i, dst=%i returns %i\n", srcformat.rate, tmpformat.rate, err);
- if (err < 0) {
- snd_pcm_plugin_free(plugin);
+ if (err < 0)
return err;
- }
err = snd_pcm_plugin_append(plugin);
if (err < 0) {
snd_pcm_plugin_free(plugin);
@@ -521,56 +480,11 @@ int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,
src_access = dst_access;
}
- /* channels extension */
- if (srcformat.channels < dstformat.channels) {
- int sv = srcformat.channels;
- int dv = dstformat.channels;
- int *ttable = kcalloc(dv * sv, sizeof(*ttable), GFP_KERNEL);
- if (ttable == NULL)
- return -ENOMEM;
-#if 0
- {
- int v;
- for (v = 0; v < sv; ++v)
- ttable[v * sv + v] = FULL;
- }
-#else
- {
- /* Playback is spreaded on all channels */
- int vd, vs;
- for (vd = 0, vs = 0; vd < dv; ++vd) {
- ttable[vd * sv + vs] = FULL;
- vs++;
- if (vs == sv)
- vs = 0;
- }
- }
-#endif
- tmpformat.channels = dstformat.channels;
- if (snd_pcm_format_linear(dstformat.format))
- tmpformat.format = dstformat.format;
- err = snd_pcm_plugin_build_route(plug,
- &srcformat, &tmpformat,
- ttable, &plugin);
- kfree(ttable);
- pdprintf("channels extension: src=%i, dst=%i returns %i\n", srcformat.channels, tmpformat.channels, err);
- if (err < 0) {
- snd_pcm_plugin_free(plugin);
- return err;
- }
- err = snd_pcm_plugin_append(plugin);
- if (err < 0) {
- snd_pcm_plugin_free(plugin);
- return err;
- }
- srcformat = tmpformat;
- src_access = dst_access;
- }
-
/* format change */
if (srcformat.format != dstformat.format) {
tmpformat.format = dstformat.format;
- if (tmpformat.format == SNDRV_PCM_FORMAT_MU_LAW) {
+ if (srcformat.format == SNDRV_PCM_FORMAT_MU_LAW ||
+ tmpformat.format == SNDRV_PCM_FORMAT_MU_LAW) {
err = snd_pcm_plugin_build_mulaw(plug,
&srcformat, &tmpformat,
&plugin);
@@ -595,6 +509,22 @@ int snd_pcm_plug_format_plugins(struct snd_pcm_substream *plug,
src_access = dst_access;
}
+ /* channels extension */
+ if (srcformat.channels < dstformat.channels) {
+ tmpformat.channels = dstformat.channels;
+ err = snd_pcm_plugin_build_route(plug, &srcformat, &tmpformat, &plugin);
+ pdprintf("channels extension: src=%i, dst=%i returns %i\n", srcformat.channels, tmpformat.channels, err);
+ if (err < 0)
+ return err;
+ err = snd_pcm_plugin_append(plugin);
+ if (err < 0) {
+ snd_pcm_plugin_free(plugin);
+ return err;
+ }
+ srcformat = tmpformat;
+ src_access = dst_access;
+ }
+
/* de-interleave */
if (src_access != dst_access) {
err = snd_pcm_plugin_build_copy(plug,
@@ -625,7 +555,8 @@ snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plu
int width, nchannels, channel;
int stream = snd_pcm_plug_stream(plug);
- snd_assert(buf != NULL, return -ENXIO);
+ if (snd_BUG_ON(!buf))
+ return -ENXIO;
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
plugin = snd_pcm_plug_first(plug);
format = &plugin->src_format;
@@ -638,7 +569,9 @@ snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plu
if ((width = snd_pcm_format_physical_width(format->format)) < 0)
return width;
nchannels = format->channels;
- snd_assert(plugin->access == SNDRV_PCM_ACCESS_RW_INTERLEAVED || format->channels <= 1, return -ENXIO);
+ if (snd_BUG_ON(plugin->access != SNDRV_PCM_ACCESS_RW_INTERLEAVED &&
+ format->channels > 1))
+ return -ENXIO;
for (channel = 0; channel < nchannels; channel++, v++) {
v->frames = count;
v->enabled = 1;
@@ -650,92 +583,6 @@ snd_pcm_sframes_t snd_pcm_plug_client_channels_buf(struct snd_pcm_substream *plu
return count;
}
-static int snd_pcm_plug_playback_channels_mask(struct snd_pcm_substream *plug,
- unsigned long *client_vmask)
-{
- struct snd_pcm_plugin *plugin = snd_pcm_plug_last(plug);
- if (plugin == NULL) {
- return 0;
- } else {
- int schannels = plugin->dst_format.channels;
- DECLARE_BITMAP(bs, schannels);
- unsigned long *srcmask;
- unsigned long *dstmask = bs;
- int err;
- bitmap_fill(dstmask, schannels);
-
- while (1) {
- err = plugin->src_channels_mask(plugin, dstmask, &srcmask);
- if (err < 0)
- return err;
- dstmask = srcmask;
- if (plugin->prev == NULL)
- break;
- plugin = plugin->prev;
- }
- bitmap_and(client_vmask, client_vmask, dstmask, plugin->src_format.channels);
- return 0;
- }
-}
-
-static int snd_pcm_plug_playback_disable_useless_channels(struct snd_pcm_substream *plug,
- struct snd_pcm_plugin_channel *src_channels)
-{
- struct snd_pcm_plugin *plugin = snd_pcm_plug_first(plug);
- unsigned int nchannels = plugin->src_format.channels;
- DECLARE_BITMAP(bs, nchannels);
- unsigned long *srcmask = bs;
- int err;
- unsigned int channel;
- for (channel = 0; channel < nchannels; channel++) {
- if (src_channels[channel].enabled)
- set_bit(channel, srcmask);
- else
- clear_bit(channel, srcmask);
- }
- err = snd_pcm_plug_playback_channels_mask(plug, srcmask);
- if (err < 0)
- return err;
- for (channel = 0; channel < nchannels; channel++) {
- if (!test_bit(channel, srcmask))
- src_channels[channel].enabled = 0;
- }
- return 0;
-}
-
-static int snd_pcm_plug_capture_disable_useless_channels(struct snd_pcm_substream *plug,
- struct snd_pcm_plugin_channel *src_channels,
- struct snd_pcm_plugin_channel *client_channels)
-{
- struct snd_pcm_plugin *plugin = snd_pcm_plug_last(plug);
- unsigned int nchannels = plugin->dst_format.channels;
- DECLARE_BITMAP(bs, nchannels);
- unsigned long *dstmask = bs;
- unsigned long *srcmask;
- int err;
- unsigned int channel;
- for (channel = 0; channel < nchannels; channel++) {
- if (client_channels[channel].enabled)
- set_bit(channel, dstmask);
- else
- clear_bit(channel, dstmask);
- }
- while (plugin) {
- err = plugin->src_channels_mask(plugin, dstmask, &srcmask);
- if (err < 0)
- return err;
- dstmask = srcmask;
- plugin = plugin->prev;
- }
- plugin = snd_pcm_plug_first(plug);
- nchannels = plugin->src_format.channels;
- for (channel = 0; channel < nchannels; channel++) {
- if (!test_bit(channel, dstmask))
- src_channels[channel].enabled = 0;
- }
- return 0;
-}
-
snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *plug, struct snd_pcm_plugin_channel *src_channels, snd_pcm_uframes_t size)
{
struct snd_pcm_plugin *plugin, *next;
@@ -743,9 +590,6 @@ snd_pcm_sframes_t snd_pcm_plug_write_transfer(struct snd_pcm_substream *plug, st
int err;
snd_pcm_sframes_t frames = size;
- if ((err = snd_pcm_plug_playback_disable_useless_channels(plug, src_channels)) < 0)
- return err;
-
plugin = snd_pcm_plug_first(plug);
while (plugin && frames > 0) {
if ((next = plugin->next) != NULL) {
@@ -790,10 +634,6 @@ snd_pcm_sframes_t snd_pcm_plug_read_transfer(struct snd_pcm_substream *plug, str
return err;
}
frames = err;
- if (!plugin->prev) {
- if ((err = snd_pcm_plug_capture_disable_useless_channels(plug, dst_channels, dst_channels_final)) < 0)
- return err;
- }
} else {
dst_channels = dst_channels_final;
}
@@ -807,7 +647,7 @@ snd_pcm_sframes_t snd_pcm_plug_read_transfer(struct snd_pcm_substream *plug, str
}
int snd_pcm_area_silence(const struct snd_pcm_channel_area *dst_area, size_t dst_offset,
- size_t samples, int format)
+ size_t samples, snd_pcm_format_t format)
{
/* FIXME: sub byte resolution and odd dst_offset */
unsigned char *dst;
@@ -854,7 +694,7 @@ int snd_pcm_area_silence(const struct snd_pcm_channel_area *dst_area, size_t dst
int snd_pcm_area_copy(const struct snd_pcm_channel_area *src_area, size_t src_offset,
const struct snd_pcm_channel_area *dst_area, size_t dst_offset,
- size_t samples, int format)
+ size_t samples, snd_pcm_format_t format)
{
/* FIXME: sub byte resolution and odd dst_offset */
char *src, *dst;
diff --git a/sound/core/oss/pcm_plugin.h b/sound/core/oss/pcm_plugin.h
index 29198da615c..a5035c2369a 100644
--- a/sound/core/oss/pcm_plugin.h
+++ b/sound/core/oss/pcm_plugin.h
@@ -3,7 +3,7 @@
/*
* Digital Audio (Plugin interface) abstract layer
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
@@ -22,12 +22,7 @@
*
*/
-#include <linux/bitmap.h>
-
-static inline unsigned long *bitmap_alloc(unsigned int nbits)
-{
- return kmalloc(BITS_TO_LONGS(nbits), GFP_KERNEL);
-}
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
#define snd_pcm_plug_stream(plug) ((plug)->stream)
@@ -51,7 +46,7 @@ struct snd_pcm_plugin_channel {
};
struct snd_pcm_plugin_format {
- int format;
+ snd_pcm_format_t format;
unsigned int rate;
unsigned int channels;
};
@@ -63,18 +58,12 @@ struct snd_pcm_plugin {
struct snd_pcm_plugin_format dst_format; /* destination format */
int src_width; /* sample width in bits */
int dst_width; /* sample width in bits */
- int access;
+ snd_pcm_access_t access;
snd_pcm_sframes_t (*src_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t dst_frames);
snd_pcm_sframes_t (*dst_frames)(struct snd_pcm_plugin *plugin, snd_pcm_uframes_t src_frames);
snd_pcm_sframes_t (*client_channels)(struct snd_pcm_plugin *plugin,
snd_pcm_uframes_t frames,
struct snd_pcm_plugin_channel **channels);
- int (*src_channels_mask)(struct snd_pcm_plugin *plugin,
- unsigned long *dst_vmask,
- unsigned long **src_vmask);
- int (*dst_channels_mask)(struct snd_pcm_plugin *plugin,
- unsigned long *src_vmask,
- unsigned long **dst_vmask);
snd_pcm_sframes_t (*transfer)(struct snd_pcm_plugin *plugin,
const struct snd_pcm_plugin_channel *src_channels,
struct snd_pcm_plugin_channel *dst_channels,
@@ -90,8 +79,6 @@ struct snd_pcm_plugin {
char *buf;
snd_pcm_uframes_t buf_frames;
struct snd_pcm_plugin_channel *buf_channels;
- unsigned long *src_vmask;
- unsigned long *dst_vmask;
char extra_data[0];
};
@@ -128,7 +115,6 @@ int snd_pcm_plugin_build_rate(struct snd_pcm_substream *handle,
int snd_pcm_plugin_build_route(struct snd_pcm_substream *handle,
struct snd_pcm_plugin_format *src_format,
struct snd_pcm_plugin_format *dst_format,
- int *ttable,
struct snd_pcm_plugin **r_plugin);
int snd_pcm_plugin_build_copy(struct snd_pcm_substream *handle,
struct snd_pcm_plugin_format *src_format,
@@ -139,7 +125,8 @@ int snd_pcm_plug_format_plugins(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_pcm_hw_params *slave_params);
-int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask);
+snd_pcm_format_t snd_pcm_plug_slave_format(snd_pcm_format_t format,
+ struct snd_mask *format_mask);
int snd_pcm_plugin_append(struct snd_pcm_plugin *plugin);
@@ -160,12 +147,12 @@ snd_pcm_sframes_t snd_pcm_plugin_client_channels(struct snd_pcm_plugin *plugin,
int snd_pcm_area_silence(const struct snd_pcm_channel_area *dst_channel,
size_t dst_offset,
- size_t samples, int format);
+ size_t samples, snd_pcm_format_t format);
int snd_pcm_area_copy(const struct snd_pcm_channel_area *src_channel,
size_t src_offset,
const struct snd_pcm_channel_area *dst_channel,
size_t dst_offset,
- size_t samples, int format);
+ size_t samples, snd_pcm_format_t format);
void *snd_pcm_plug_buf_alloc(struct snd_pcm_substream *plug, snd_pcm_uframes_t size);
void snd_pcm_plug_buf_unlock(struct snd_pcm_substream *plug, void *ptr);
@@ -181,20 +168,18 @@ snd_pcm_sframes_t snd_pcm_oss_readv3(struct snd_pcm_substream *substream,
void **bufs, snd_pcm_uframes_t frames,
int in_kernel);
-#define ROUTE_PLUGIN_RESOLUTION 16
+#else
-int getput_index(int format);
-int copy_index(int format);
-int conv_index(int src_format, int dst_format);
+static inline snd_pcm_sframes_t snd_pcm_plug_client_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t drv_size) { return drv_size; }
+static inline snd_pcm_sframes_t snd_pcm_plug_slave_size(struct snd_pcm_substream *handle, snd_pcm_uframes_t clt_size) { return clt_size; }
+static inline int snd_pcm_plug_slave_format(int format, struct snd_mask *format_mask) { return format; }
-void zero_channel(struct snd_pcm_plugin *plugin,
- const struct snd_pcm_plugin_channel *dst_channel,
- size_t samples);
+#endif
#ifdef PLUGIN_DEBUG
-#define pdprintf( fmt, args... ) printk( "plugin: " fmt, ##args)
+#define pdprintf(fmt, args...) printk(KERN_DEBUG "plugin: " fmt, ##args)
#else
-#define pdprintf( fmt, args... )
+#define pdprintf(fmt, args...)
#endif
#endif /* __PCM_PLUGIN_H */
diff --git a/sound/core/oss/plugin_ops.h b/sound/core/oss/plugin_ops.h
deleted file mode 100644
index 0607e956608..00000000000
--- a/sound/core/oss/plugin_ops.h
+++ /dev/null
@@ -1,536 +0,0 @@
-/*
- * Plugin sample operators with fast switch
- * Copyright (c) 2000 by Jaroslav Kysela <perex@suse.cz>
- *
- *
- * This library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Library General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- */
-
-
-#define as_u8(ptr) (*(u_int8_t*)(ptr))
-#define as_u16(ptr) (*(u_int16_t*)(ptr))
-#define as_u32(ptr) (*(u_int32_t*)(ptr))
-#define as_u64(ptr) (*(u_int64_t*)(ptr))
-#define as_s8(ptr) (*(int8_t*)(ptr))
-#define as_s16(ptr) (*(int16_t*)(ptr))
-#define as_s32(ptr) (*(int32_t*)(ptr))
-#define as_s64(ptr) (*(int64_t*)(ptr))
-
-#ifdef COPY_LABELS
-static void *copy_labels[4] = {
- &&copy_8,
- &&copy_16,
- &&copy_32,
- &&copy_64
-};
-#endif
-
-#ifdef COPY_END
-while(0) {
-copy_8: as_s8(dst) = as_s8(src); goto COPY_END;
-copy_16: as_s16(dst) = as_s16(src); goto COPY_END;
-copy_32: as_s32(dst) = as_s32(src); goto COPY_END;
-copy_64: as_s64(dst) = as_s64(src); goto COPY_END;
-}
-#endif
-
-#ifdef CONV_LABELS
-/* src_wid src_endswap sign_toggle dst_wid dst_endswap */
-static void *conv_labels[4 * 2 * 2 * 4 * 2] = {
- &&conv_xxx1_xxx1, /* 8h -> 8h */
- &&conv_xxx1_xxx1, /* 8h -> 8s */
- &&conv_xxx1_xx10, /* 8h -> 16h */
- &&conv_xxx1_xx01, /* 8h -> 16s */
- &&conv_xxx1_x100, /* 8h -> 24h */
- &&conv_xxx1_001x, /* 8h -> 24s */
- &&conv_xxx1_1000, /* 8h -> 32h */
- &&conv_xxx1_0001, /* 8h -> 32s */
- &&conv_xxx1_xxx9, /* 8h ^> 8h */
- &&conv_xxx1_xxx9, /* 8h ^> 8s */
- &&conv_xxx1_xx90, /* 8h ^> 16h */
- &&conv_xxx1_xx09, /* 8h ^> 16s */
- &&conv_xxx1_x900, /* 8h ^> 24h */
- &&conv_xxx1_009x, /* 8h ^> 24s */
- &&conv_xxx1_9000, /* 8h ^> 32h */
- &&conv_xxx1_0009, /* 8h ^> 32s */
- &&conv_xxx1_xxx1, /* 8s -> 8h */
- &&conv_xxx1_xxx1, /* 8s -> 8s */
- &&conv_xxx1_xx10, /* 8s -> 16h */
- &&conv_xxx1_xx01, /* 8s -> 16s */
- &&conv_xxx1_x100, /* 8s -> 24h */
- &&conv_xxx1_001x, /* 8s -> 24s */
- &&conv_xxx1_1000, /* 8s -> 32h */
- &&conv_xxx1_0001, /* 8s -> 32s */
- &&conv_xxx1_xxx9, /* 8s ^> 8h */
- &&conv_xxx1_xxx9, /* 8s ^> 8s */
- &&conv_xxx1_xx90, /* 8s ^> 16h */
- &&conv_xxx1_xx09, /* 8s ^> 16s */
- &&conv_xxx1_x900, /* 8s ^> 24h */
- &&conv_xxx1_009x, /* 8s ^> 24s */
- &&conv_xxx1_9000, /* 8s ^> 32h */
- &&conv_xxx1_0009, /* 8s ^> 32s */
- &&conv_xx12_xxx1, /* 16h -> 8h */
- &&conv_xx12_xxx1, /* 16h -> 8s */
- &&conv_xx12_xx12, /* 16h -> 16h */
- &&conv_xx12_xx21, /* 16h -> 16s */
- &&conv_xx12_x120, /* 16h -> 24h */
- &&conv_xx12_021x, /* 16h -> 24s */
- &&conv_xx12_1200, /* 16h -> 32h */
- &&conv_xx12_0021, /* 16h -> 32s */
- &&conv_xx12_xxx9, /* 16h ^> 8h */
- &&conv_xx12_xxx9, /* 16h ^> 8s */
- &&conv_xx12_xx92, /* 16h ^> 16h */
- &&conv_xx12_xx29, /* 16h ^> 16s */
- &&conv_xx12_x920, /* 16h ^> 24h */
- &&conv_xx12_029x, /* 16h ^> 24s */
- &&conv_xx12_9200, /* 16h ^> 32h */
- &&conv_xx12_0029, /* 16h ^> 32s */
- &&conv_xx12_xxx2, /* 16s -> 8h */
- &&conv_xx12_xxx2, /* 16s -> 8s */
- &&conv_xx12_xx21, /* 16s -> 16h */
- &&conv_xx12_xx12, /* 16s -> 16s */
- &&conv_xx12_x210, /* 16s -> 24h */
- &&conv_xx12_012x, /* 16s -> 24s */
- &&conv_xx12_2100, /* 16s -> 32h */
- &&conv_xx12_0012, /* 16s -> 32s */
- &&conv_xx12_xxxA, /* 16s ^> 8h */
- &&conv_xx12_xxxA, /* 16s ^> 8s */
- &&conv_xx12_xxA1, /* 16s ^> 16h */
- &&conv_xx12_xx1A, /* 16s ^> 16s */
- &&conv_xx12_xA10, /* 16s ^> 24h */
- &&conv_xx12_01Ax, /* 16s ^> 24s */
- &&conv_xx12_A100, /* 16s ^> 32h */
- &&conv_xx12_001A, /* 16s ^> 32s */
- &&conv_x123_xxx1, /* 24h -> 8h */
- &&conv_x123_xxx1, /* 24h -> 8s */
- &&conv_x123_xx12, /* 24h -> 16h */
- &&conv_x123_xx21, /* 24h -> 16s */
- &&conv_x123_x123, /* 24h -> 24h */
- &&conv_x123_321x, /* 24h -> 24s */
- &&conv_x123_1230, /* 24h -> 32h */
- &&conv_x123_0321, /* 24h -> 32s */
- &&conv_x123_xxx9, /* 24h ^> 8h */
- &&conv_x123_xxx9, /* 24h ^> 8s */
- &&conv_x123_xx92, /* 24h ^> 16h */
- &&conv_x123_xx29, /* 24h ^> 16s */
- &&conv_x123_x923, /* 24h ^> 24h */
- &&conv_x123_329x, /* 24h ^> 24s */
- &&conv_x123_9230, /* 24h ^> 32h */
- &&conv_x123_0329, /* 24h ^> 32s */
- &&conv_123x_xxx3, /* 24s -> 8h */
- &&conv_123x_xxx3, /* 24s -> 8s */
- &&conv_123x_xx32, /* 24s -> 16h */
- &&conv_123x_xx23, /* 24s -> 16s */
- &&conv_123x_x321, /* 24s -> 24h */
- &&conv_123x_123x, /* 24s -> 24s */
- &&conv_123x_3210, /* 24s -> 32h */
- &&conv_123x_0123, /* 24s -> 32s */
- &&conv_123x_xxxB, /* 24s ^> 8h */
- &&conv_123x_xxxB, /* 24s ^> 8s */
- &&conv_123x_xxB2, /* 24s ^> 16h */
- &&conv_123x_xx2B, /* 24s ^> 16s */
- &&conv_123x_xB21, /* 24s ^> 24h */
- &&conv_123x_12Bx, /* 24s ^> 24s */
- &&conv_123x_B210, /* 24s ^> 32h */
- &&conv_123x_012B, /* 24s ^> 32s */
- &&conv_1234_xxx1, /* 32h -> 8h */
- &&conv_1234_xxx1, /* 32h -> 8s */
- &&conv_1234_xx12, /* 32h -> 16h */
- &&conv_1234_xx21, /* 32h -> 16s */
- &&conv_1234_x123, /* 32h -> 24h */
- &&conv_1234_321x, /* 32h -> 24s */
- &&conv_1234_1234, /* 32h -> 32h */
- &&conv_1234_4321, /* 32h -> 32s */
- &&conv_1234_xxx9, /* 32h ^> 8h */
- &&conv_1234_xxx9, /* 32h ^> 8s */
- &&conv_1234_xx92, /* 32h ^> 16h */
- &&conv_1234_xx29, /* 32h ^> 16s */
- &&conv_1234_x923, /* 32h ^> 24h */
- &&conv_1234_329x, /* 32h ^> 24s */
- &&conv_1234_9234, /* 32h ^> 32h */
- &&conv_1234_4329, /* 32h ^> 32s */
- &&conv_1234_xxx4, /* 32s -> 8h */
- &&conv_1234_xxx4, /* 32s -> 8s */
- &&conv_1234_xx43, /* 32s -> 16h */
- &&conv_1234_xx34, /* 32s -> 16s */
- &&conv_1234_x432, /* 32s -> 24h */
- &&conv_1234_234x, /* 32s -> 24s */
- &&conv_1234_4321, /* 32s -> 32h */
- &&conv_1234_1234, /* 32s -> 32s */
- &&conv_1234_xxxC, /* 32s ^> 8h */
- &&conv_1234_xxxC, /* 32s ^> 8s */
- &&conv_1234_xxC3, /* 32s ^> 16h */
- &&conv_1234_xx3C, /* 32s ^> 16s */
- &&conv_1234_xC32, /* 32s ^> 24h */
- &&conv_1234_23Cx, /* 32s ^> 24s */
- &&conv_1234_C321, /* 32s ^> 32h */
- &&conv_1234_123C, /* 32s ^> 32s */
-};
-#endif
-
-#ifdef CONV_END
-while(0) {
-conv_xxx1_xxx1: as_u8(dst) = as_u8(src); goto CONV_END;
-conv_xxx1_xx10: as_u16(dst) = (u_int16_t)as_u8(src) << 8; goto CONV_END;
-conv_xxx1_xx01: as_u16(dst) = (u_int16_t)as_u8(src); goto CONV_END;
-conv_xxx1_x100: as_u32(dst) = (u_int32_t)as_u8(src) << 16; goto CONV_END;
-conv_xxx1_001x: as_u32(dst) = (u_int32_t)as_u8(src) << 8; goto CONV_END;
-conv_xxx1_1000: as_u32(dst) = (u_int32_t)as_u8(src) << 24; goto CONV_END;
-conv_xxx1_0001: as_u32(dst) = (u_int32_t)as_u8(src); goto CONV_END;
-conv_xxx1_xxx9: as_u8(dst) = as_u8(src) ^ 0x80; goto CONV_END;
-conv_xxx1_xx90: as_u16(dst) = (u_int16_t)(as_u8(src) ^ 0x80) << 8; goto CONV_END;
-conv_xxx1_xx09: as_u16(dst) = (u_int16_t)(as_u8(src) ^ 0x80); goto CONV_END;
-conv_xxx1_x900: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 16; goto CONV_END;
-conv_xxx1_009x: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 8; goto CONV_END;
-conv_xxx1_9000: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80) << 24; goto CONV_END;
-conv_xxx1_0009: as_u32(dst) = (u_int32_t)(as_u8(src) ^ 0x80); goto CONV_END;
-conv_xx12_xxx1: as_u8(dst) = as_u16(src) >> 8; goto CONV_END;
-conv_xx12_xx12: as_u16(dst) = as_u16(src); goto CONV_END;
-conv_xx12_xx21: as_u16(dst) = swab16(as_u16(src)); goto CONV_END;
-conv_xx12_x120: as_u32(dst) = (u_int32_t)as_u16(src) << 8; goto CONV_END;
-conv_xx12_021x: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 8; goto CONV_END;
-conv_xx12_1200: as_u32(dst) = (u_int32_t)as_u16(src) << 16; goto CONV_END;
-conv_xx12_0021: as_u32(dst) = (u_int32_t)swab16(as_u16(src)); goto CONV_END;
-conv_xx12_xxx9: as_u8(dst) = (as_u16(src) >> 8) ^ 0x80; goto CONV_END;
-conv_xx12_xx92: as_u16(dst) = as_u16(src) ^ 0x8000; goto CONV_END;
-conv_xx12_xx29: as_u16(dst) = swab16(as_u16(src)) ^ 0x80; goto CONV_END;
-conv_xx12_x920: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x8000) << 8; goto CONV_END;
-conv_xx12_029x: as_u32(dst) = (u_int32_t)(swab16(as_u16(src)) ^ 0x80) << 8; goto CONV_END;
-conv_xx12_9200: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x8000) << 16; goto CONV_END;
-conv_xx12_0029: as_u32(dst) = (u_int32_t)(swab16(as_u16(src)) ^ 0x80); goto CONV_END;
-conv_xx12_xxx2: as_u8(dst) = as_u16(src) & 0xff; goto CONV_END;
-conv_xx12_x210: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 8; goto CONV_END;
-conv_xx12_012x: as_u32(dst) = (u_int32_t)as_u16(src) << 8; goto CONV_END;
-conv_xx12_2100: as_u32(dst) = (u_int32_t)swab16(as_u16(src)) << 16; goto CONV_END;
-conv_xx12_0012: as_u32(dst) = (u_int32_t)as_u16(src); goto CONV_END;
-conv_xx12_xxxA: as_u8(dst) = (as_u16(src) ^ 0x80) & 0xff; goto CONV_END;
-conv_xx12_xxA1: as_u16(dst) = swab16(as_u16(src) ^ 0x80); goto CONV_END;
-conv_xx12_xx1A: as_u16(dst) = as_u16(src) ^ 0x80; goto CONV_END;
-conv_xx12_xA10: as_u32(dst) = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 8; goto CONV_END;
-conv_xx12_01Ax: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x80) << 8; goto CONV_END;
-conv_xx12_A100: as_u32(dst) = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 16; goto CONV_END;
-conv_xx12_001A: as_u32(dst) = (u_int32_t)(as_u16(src) ^ 0x80); goto CONV_END;
-conv_x123_xxx1: as_u8(dst) = as_u32(src) >> 16; goto CONV_END;
-conv_x123_xx12: as_u16(dst) = as_u32(src) >> 8; goto CONV_END;
-conv_x123_xx21: as_u16(dst) = swab16(as_u32(src) >> 8); goto CONV_END;
-conv_x123_x123: as_u32(dst) = as_u32(src); goto CONV_END;
-conv_x123_321x: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
-conv_x123_1230: as_u32(dst) = as_u32(src) << 8; goto CONV_END;
-conv_x123_0321: as_u32(dst) = swab32(as_u32(src)) >> 8; goto CONV_END;
-conv_x123_xxx9: as_u8(dst) = (as_u32(src) >> 16) ^ 0x80; goto CONV_END;
-conv_x123_xx92: as_u16(dst) = (as_u32(src) >> 8) ^ 0x8000; goto CONV_END;
-conv_x123_xx29: as_u16(dst) = swab16(as_u32(src) >> 8) ^ 0x80; goto CONV_END;
-conv_x123_x923: as_u32(dst) = as_u32(src) ^ 0x800000; goto CONV_END;
-conv_x123_329x: as_u32(dst) = swab32(as_u32(src)) ^ 0x8000; goto CONV_END;
-conv_x123_9230: as_u32(dst) = (as_u32(src) ^ 0x800000) << 8; goto CONV_END;
-conv_x123_0329: as_u32(dst) = (swab32(as_u32(src)) >> 8) ^ 0x80; goto CONV_END;
-conv_123x_xxx3: as_u8(dst) = (as_u32(src) >> 8) & 0xff; goto CONV_END;
-conv_123x_xx32: as_u16(dst) = swab16(as_u32(src) >> 8); goto CONV_END;
-conv_123x_xx23: as_u16(dst) = (as_u32(src) >> 8) & 0xffff; goto CONV_END;
-conv_123x_x321: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
-conv_123x_123x: as_u32(dst) = as_u32(src); goto CONV_END;
-conv_123x_3210: as_u32(dst) = swab32(as_u32(src)) << 8; goto CONV_END;
-conv_123x_0123: as_u32(dst) = as_u32(src) >> 8; goto CONV_END;
-conv_123x_xxxB: as_u8(dst) = ((as_u32(src) >> 8) & 0xff) ^ 0x80; goto CONV_END;
-conv_123x_xxB2: as_u16(dst) = swab16((as_u32(src) >> 8) ^ 0x80); goto CONV_END;
-conv_123x_xx2B: as_u16(dst) = ((as_u32(src) >> 8) & 0xffff) ^ 0x80; goto CONV_END;
-conv_123x_xB21: as_u32(dst) = swab32(as_u32(src)) ^ 0x800000; goto CONV_END;
-conv_123x_12Bx: as_u32(dst) = as_u32(src) ^ 0x8000; goto CONV_END;
-conv_123x_B210: as_u32(dst) = swab32(as_u32(src) ^ 0x8000) << 8; goto CONV_END;
-conv_123x_012B: as_u32(dst) = (as_u32(src) >> 8) ^ 0x80; goto CONV_END;
-conv_1234_xxx1: as_u8(dst) = as_u32(src) >> 24; goto CONV_END;
-conv_1234_xx12: as_u16(dst) = as_u32(src) >> 16; goto CONV_END;
-conv_1234_xx21: as_u16(dst) = swab16(as_u32(src) >> 16); goto CONV_END;
-conv_1234_x123: as_u32(dst) = as_u32(src) >> 8; goto CONV_END;
-conv_1234_321x: as_u32(dst) = swab32(as_u32(src)) << 8; goto CONV_END;
-conv_1234_1234: as_u32(dst) = as_u32(src); goto CONV_END;
-conv_1234_4321: as_u32(dst) = swab32(as_u32(src)); goto CONV_END;
-conv_1234_xxx9: as_u8(dst) = (as_u32(src) >> 24) ^ 0x80; goto CONV_END;
-conv_1234_xx92: as_u16(dst) = (as_u32(src) >> 16) ^ 0x8000; goto CONV_END;
-conv_1234_xx29: as_u16(dst) = swab16(as_u32(src) >> 16) ^ 0x80; goto CONV_END;
-conv_1234_x923: as_u32(dst) = (as_u32(src) >> 8) ^ 0x800000; goto CONV_END;
-conv_1234_329x: as_u32(dst) = (swab32(as_u32(src)) ^ 0x80) << 8; goto CONV_END;
-conv_1234_9234: as_u32(dst) = as_u32(src) ^ 0x80000000; goto CONV_END;
-conv_1234_4329: as_u32(dst) = swab32(as_u32(src)) ^ 0x80; goto CONV_END;
-conv_1234_xxx4: as_u8(dst) = as_u32(src) & 0xff; goto CONV_END;
-conv_1234_xx43: as_u16(dst) = swab16(as_u32(src)); goto CONV_END;
-conv_1234_xx34: as_u16(dst) = as_u32(src) & 0xffff; goto CONV_END;
-conv_1234_x432: as_u32(dst) = swab32(as_u32(src)) >> 8; goto CONV_END;
-conv_1234_234x: as_u32(dst) = as_u32(src) << 8; goto CONV_END;
-conv_1234_xxxC: as_u8(dst) = (as_u32(src) & 0xff) ^ 0x80; goto CONV_END;
-conv_1234_xxC3: as_u16(dst) = swab16(as_u32(src) ^ 0x80); goto CONV_END;
-conv_1234_xx3C: as_u16(dst) = (as_u32(src) & 0xffff) ^ 0x80; goto CONV_END;
-conv_1234_xC32: as_u32(dst) = (swab32(as_u32(src)) >> 8) ^ 0x800000; goto CONV_END;
-conv_1234_23Cx: as_u32(dst) = (as_u32(src) ^ 0x80) << 8; goto CONV_END;
-conv_1234_C321: as_u32(dst) = swab32(as_u32(src) ^ 0x80); goto CONV_END;
-conv_1234_123C: as_u32(dst) = as_u32(src) ^ 0x80; goto CONV_END;
-}
-#endif
-
-#ifdef GET_S16_LABELS
-/* src_wid src_endswap unsigned */
-static void *get_s16_labels[4 * 2 * 2] = {
- &&get_s16_xxx1_xx10, /* 8h -> 16h */
- &&get_s16_xxx1_xx90, /* 8h ^> 16h */
- &&get_s16_xxx1_xx10, /* 8s -> 16h */
- &&get_s16_xxx1_xx90, /* 8s ^> 16h */
- &&get_s16_xx12_xx12, /* 16h -> 16h */
- &&get_s16_xx12_xx92, /* 16h ^> 16h */
- &&get_s16_xx12_xx21, /* 16s -> 16h */
- &&get_s16_xx12_xxA1, /* 16s ^> 16h */
- &&get_s16_x123_xx12, /* 24h -> 16h */
- &&get_s16_x123_xx92, /* 24h ^> 16h */
- &&get_s16_123x_xx32, /* 24s -> 16h */
- &&get_s16_123x_xxB2, /* 24s ^> 16h */
- &&get_s16_1234_xx12, /* 32h -> 16h */
- &&get_s16_1234_xx92, /* 32h ^> 16h */
- &&get_s16_1234_xx43, /* 32s -> 16h */
- &&get_s16_1234_xxC3, /* 32s ^> 16h */
-};
-#endif
-
-#ifdef GET_S16_END
-while(0) {
-get_s16_xxx1_xx10: sample = (u_int16_t)as_u8(src) << 8; goto GET_S16_END;
-get_s16_xxx1_xx90: sample = (u_int16_t)(as_u8(src) ^ 0x80) << 8; goto GET_S16_END;
-get_s16_xx12_xx12: sample = as_u16(src); goto GET_S16_END;
-get_s16_xx12_xx92: sample = as_u16(src) ^ 0x8000; goto GET_S16_END;
-get_s16_xx12_xx21: sample = swab16(as_u16(src)); goto GET_S16_END;
-get_s16_xx12_xxA1: sample = swab16(as_u16(src) ^ 0x80); goto GET_S16_END;
-get_s16_x123_xx12: sample = as_u32(src) >> 8; goto GET_S16_END;
-get_s16_x123_xx92: sample = (as_u32(src) >> 8) ^ 0x8000; goto GET_S16_END;
-get_s16_123x_xx32: sample = swab16(as_u32(src) >> 8); goto GET_S16_END;
-get_s16_123x_xxB2: sample = swab16((as_u32(src) >> 8) ^ 0x8000); goto GET_S16_END;
-get_s16_1234_xx12: sample = as_u32(src) >> 16; goto GET_S16_END;
-get_s16_1234_xx92: sample = (as_u32(src) >> 16) ^ 0x8000; goto GET_S16_END;
-get_s16_1234_xx43: sample = swab16(as_u32(src)); goto GET_S16_END;
-get_s16_1234_xxC3: sample = swab16(as_u32(src) ^ 0x80); goto GET_S16_END;
-}
-#endif
-
-#ifdef PUT_S16_LABELS
-/* dst_wid dst_endswap unsigned */
-static void *put_s16_labels[4 * 2 * 2] = {
- &&put_s16_xx12_xxx1, /* 16h -> 8h */
- &&put_s16_xx12_xxx9, /* 16h ^> 8h */
- &&put_s16_xx12_xxx1, /* 16h -> 8s */
- &&put_s16_xx12_xxx9, /* 16h ^> 8s */
- &&put_s16_xx12_xx12, /* 16h -> 16h */
- &&put_s16_xx12_xx92, /* 16h ^> 16h */
- &&put_s16_xx12_xx21, /* 16h -> 16s */
- &&put_s16_xx12_xx29, /* 16h ^> 16s */
- &&put_s16_xx12_x120, /* 16h -> 24h */
- &&put_s16_xx12_x920, /* 16h ^> 24h */
- &&put_s16_xx12_021x, /* 16h -> 24s */
- &&put_s16_xx12_029x, /* 16h ^> 24s */
- &&put_s16_xx12_1200, /* 16h -> 32h */
- &&put_s16_xx12_9200, /* 16h ^> 32h */
- &&put_s16_xx12_0021, /* 16h -> 32s */
- &&put_s16_xx12_0029, /* 16h ^> 32s */
-};
-#endif
-
-#ifdef PUT_S16_END
-while (0) {
-put_s16_xx12_xxx1: as_u8(dst) = sample >> 8; goto PUT_S16_END;
-put_s16_xx12_xxx9: as_u8(dst) = (sample >> 8) ^ 0x80; goto PUT_S16_END;
-put_s16_xx12_xx12: as_u16(dst) = sample; goto PUT_S16_END;
-put_s16_xx12_xx92: as_u16(dst) = sample ^ 0x8000; goto PUT_S16_END;
-put_s16_xx12_xx21: as_u16(dst) = swab16(sample); goto PUT_S16_END;
-put_s16_xx12_xx29: as_u16(dst) = swab16(sample) ^ 0x80; goto PUT_S16_END;
-put_s16_xx12_x120: as_u32(dst) = (u_int32_t)sample << 8; goto PUT_S16_END;
-put_s16_xx12_x920: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 8; goto PUT_S16_END;
-put_s16_xx12_021x: as_u32(dst) = (u_int32_t)swab16(sample) << 8; goto PUT_S16_END;
-put_s16_xx12_029x: as_u32(dst) = (u_int32_t)(swab16(sample) ^ 0x80) << 8; goto PUT_S16_END;
-put_s16_xx12_1200: as_u32(dst) = (u_int32_t)sample << 16; goto PUT_S16_END;
-put_s16_xx12_9200: as_u32(dst) = (u_int32_t)(sample ^ 0x8000) << 16; goto PUT_S16_END;
-put_s16_xx12_0021: as_u32(dst) = (u_int32_t)swab16(sample); goto PUT_S16_END;
-put_s16_xx12_0029: as_u32(dst) = (u_int32_t)swab16(sample) ^ 0x80; goto PUT_S16_END;
-}
-#endif
-
-#if 0
-#ifdef GET32_LABELS
-/* src_wid src_endswap unsigned */
-static void *get32_labels[4 * 2 * 2] = {
- &&get32_xxx1_1000, /* 8h -> 32h */
- &&get32_xxx1_9000, /* 8h ^> 32h */
- &&get32_xxx1_1000, /* 8s -> 32h */
- &&get32_xxx1_9000, /* 8s ^> 32h */
- &&get32_xx12_1200, /* 16h -> 32h */
- &&get32_xx12_9200, /* 16h ^> 32h */
- &&get32_xx12_2100, /* 16s -> 32h */
- &&get32_xx12_A100, /* 16s ^> 32h */
- &&get32_x123_1230, /* 24h -> 32h */
- &&get32_x123_9230, /* 24h ^> 32h */
- &&get32_123x_3210, /* 24s -> 32h */
- &&get32_123x_B210, /* 24s ^> 32h */
- &&get32_1234_1234, /* 32h -> 32h */
- &&get32_1234_9234, /* 32h ^> 32h */
- &&get32_1234_4321, /* 32s -> 32h */
- &&get32_1234_C321, /* 32s ^> 32h */
-};
-#endif
-
-#ifdef GET32_END
-while (0) {
-get32_xxx1_1000: sample = (u_int32_t)as_u8(src) << 24; goto GET32_END;
-get32_xxx1_9000: sample = (u_int32_t)(as_u8(src) ^ 0x80) << 24; goto GET32_END;
-get32_xx12_1200: sample = (u_int32_t)as_u16(src) << 16; goto GET32_END;
-get32_xx12_9200: sample = (u_int32_t)(as_u16(src) ^ 0x8000) << 16; goto GET32_END;
-get32_xx12_2100: sample = (u_int32_t)swab16(as_u16(src)) << 16; goto GET32_END;
-get32_xx12_A100: sample = (u_int32_t)swab16(as_u16(src) ^ 0x80) << 16; goto GET32_END;
-get32_x123_1230: sample = as_u32(src) << 8; goto GET32_END;
-get32_x123_9230: sample = (as_u32(src) << 8) ^ 0x80000000; goto GET32_END;
-get32_123x_3210: sample = swab32(as_u32(src) >> 8); goto GET32_END;
-get32_123x_B210: sample = swab32((as_u32(src) >> 8) ^ 0x80); goto GET32_END;
-get32_1234_1234: sample = as_u32(src); goto GET32_END;
-get32_1234_9234: sample = as_u32(src) ^ 0x80000000; goto GET32_END;
-get32_1234_4321: sample = swab32(as_u32(src)); goto GET32_END;
-get32_1234_C321: sample = swab32(as_u32(src) ^ 0x80); goto GET32_END;
-}
-#endif
-#endif
-
-#ifdef PUT_U32_LABELS
-/* dst_wid dst_endswap unsigned */
-static void *put_u32_labels[4 * 2 * 2] = {
- &&put_u32_1234_xxx9, /* u32h -> s8h */
- &&put_u32_1234_xxx1, /* u32h -> u8h */
- &&put_u32_1234_xxx9, /* u32h -> s8s */
- &&put_u32_1234_xxx1, /* u32h -> u8s */
- &&put_u32_1234_xx92, /* u32h -> s16h */
- &&put_u32_1234_xx12, /* u32h -> u16h */
- &&put_u32_1234_xx29, /* u32h -> s16s */
- &&put_u32_1234_xx21, /* u32h -> u16s */
- &&put_u32_1234_x923, /* u32h -> s24h */
- &&put_u32_1234_x123, /* u32h -> u24h */
- &&put_u32_1234_329x, /* u32h -> s24s */
- &&put_u32_1234_321x, /* u32h -> u24s */
- &&put_u32_1234_9234, /* u32h -> s32h */
- &&put_u32_1234_1234, /* u32h -> u32h */
- &&put_u32_1234_4329, /* u32h -> s32s */
- &&put_u32_1234_4321, /* u32h -> u32s */
-};
-#endif
-
-#ifdef PUT_U32_END
-while (0) {
-put_u32_1234_xxx1: as_u8(dst) = sample >> 24; goto PUT_U32_END;
-put_u32_1234_xxx9: as_u8(dst) = (sample >> 24) ^ 0x80; goto PUT_U32_END;
-put_u32_1234_xx12: as_u16(dst) = sample >> 16; goto PUT_U32_END;
-put_u32_1234_xx92: as_u16(dst) = (sample >> 16) ^ 0x8000; goto PUT_U32_END;
-put_u32_1234_xx21: as_u16(dst) = swab16(sample >> 16); goto PUT_U32_END;
-put_u32_1234_xx29: as_u16(dst) = swab16(sample >> 16) ^ 0x80; goto PUT_U32_END;
-put_u32_1234_x123: as_u32(dst) = sample >> 8; goto PUT_U32_END;
-put_u32_1234_x923: as_u32(dst) = (sample >> 8) ^ 0x800000; goto PUT_U32_END;
-put_u32_1234_321x: as_u32(dst) = swab32(sample) << 8; goto PUT_U32_END;
-put_u32_1234_329x: as_u32(dst) = (swab32(sample) ^ 0x80) << 8; goto PUT_U32_END;
-put_u32_1234_1234: as_u32(dst) = sample; goto PUT_U32_END;
-put_u32_1234_9234: as_u32(dst) = sample ^ 0x80000000; goto PUT_U32_END;
-put_u32_1234_4321: as_u32(dst) = swab32(sample); goto PUT_U32_END;
-put_u32_1234_4329: as_u32(dst) = swab32(sample) ^ 0x80; goto PUT_U32_END;
-}
-#endif
-
-#ifdef GET_U_LABELS
-/* width endswap unsigned*/
-static void *get_u_labels[4 * 2 * 2] = {
- &&get_u_s8, /* s8 -> u8 */
- &&get_u_u8, /* u8 -> u8 */
- &&get_u_s8, /* s8 -> u8 */
- &&get_u_u8, /* u8 -> u8 */
- &&get_u_s16h, /* s16h -> u16h */
- &&get_u_u16h, /* u16h -> u16h */
- &&get_u_s16s, /* s16s -> u16h */
- &&get_u_u16s, /* u16s -> u16h */
- &&get_u_s24h, /* s24h -> u32h */
- &&get_u_u24h, /* u24h -> u32h */
- &&get_u_s24s, /* s24s -> u32h */
- &&get_u_u24s, /* u24s -> u32h */
- &&get_u_s32h, /* s32h -> u32h */
- &&get_u_u32h, /* u32h -> u32h */
- &&get_u_s32s, /* s32s -> u32h */
- &&get_u_u32s, /* u32s -> u32h */
-};
-#endif
-
-#ifdef GET_U_END
-while (0) {
-get_u_s8: sample = as_u8(src) ^ 0x80; goto GET_U_END;
-get_u_u8: sample = as_u8(src); goto GET_U_END;
-get_u_s16h: sample = as_u16(src) ^ 0x8000; goto GET_U_END;
-get_u_u16h: sample = as_u16(src); goto GET_U_END;
-get_u_s16s: sample = swab16(as_u16(src) ^ 0x80); goto GET_U_END;
-get_u_u16s: sample = swab16(as_u16(src)); goto GET_U_END;
-get_u_s24h: sample = (as_u32(src) ^ 0x800000); goto GET_U_END;
-get_u_u24h: sample = as_u32(src); goto GET_U_END;
-get_u_s24s: sample = swab32(as_u32(src) ^ 0x800000); goto GET_U_END;
-get_u_u24s: sample = swab32(as_u32(src)); goto GET_U_END;
-get_u_s32h: sample = as_u32(src) ^ 0x80000000; goto GET_U_END;
-get_u_u32h: sample = as_u32(src); goto GET_U_END;
-get_u_s32s: sample = swab32(as_u32(src) ^ 0x80); goto GET_U_END;
-get_u_u32s: sample = swab32(as_u32(src)); goto GET_U_END;
-}
-#endif
-
-#if 0
-#ifdef PUT_LABELS
-/* width endswap unsigned */
-static void *put_labels[4 * 2 * 2] = {
- &&put_s8, /* s8 -> s8 */
- &&put_u8, /* u8 -> s8 */
- &&put_s8, /* s8 -> s8 */
- &&put_u8, /* u8 -> s8 */
- &&put_s16h, /* s16h -> s16h */
- &&put_u16h, /* u16h -> s16h */
- &&put_s16s, /* s16s -> s16h */
- &&put_u16s, /* u16s -> s16h */
- &&put_s24h, /* s24h -> s32h */
- &&put_u24h, /* u24h -> s32h */
- &&put_s24s, /* s24s -> s32h */
- &&put_u24s, /* u24s -> s32h */
- &&put_s32h, /* s32h -> s32h */
- &&put_u32h, /* u32h -> s32h */
- &&put_s32s, /* s32s -> s32h */
- &&put_u32s, /* u32s -> s32h */
-};
-#endif
-
-#ifdef PUT_END
-put_s8: as_s8(dst) = sample; goto PUT_END;
-put_u8: as_u8(dst) = sample ^ 0x80; goto PUT_END;
-put_s16h: as_s16(dst) = sample; goto PUT_END;
-put_u16h: as_u16(dst) = sample ^ 0x8000; goto PUT_END;
-put_s16s: as_s16(dst) = swab16(sample); goto PUT_END;
-put_u16s: as_u16(dst) = swab16(sample ^ 0x80); goto PUT_END;
-put_s24h: as_s24(dst) = sample & 0xffffff; goto PUT_END;
-put_u24h: as_u24(dst) = sample ^ 0x80000000; goto PUT_END;
-put_s24s: as_s24(dst) = swab32(sample & 0xffffff); goto PUT_END;
-put_u24s: as_u24(dst) = swab32(sample ^ 0x80); goto PUT_END;
-put_s32h: as_s32(dst) = sample; goto PUT_END;
-put_u32h: as_u32(dst) = sample ^ 0x80000000; goto PUT_END;
-put_s32s: as_s32(dst) = swab32(sample); goto PUT_END;
-put_u32s: as_u32(dst) = swab32(sample ^ 0x80); goto PUT_END;
-#endif
-#endif
-
-#undef as_u8
-#undef as_u16
-#undef as_u32
-#undef as_s8
-#undef as_s16
-#undef as_s32
diff --git a/sound/core/oss/rate.c b/sound/core/oss/rate.c
index 4854cef6fb4..2fa9299a440 100644
--- a/sound/core/oss/rate.c
+++ b/sound/core/oss/rate.c
@@ -1,6 +1,6 @@
/*
* Rate conversion Plug-In
- * Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) 1999 by Jaroslav Kysela <perex@perex.cz>
*
*
* This library is free software; you can redistribute it and/or modify
@@ -19,7 +19,6 @@
*
*/
-#include <sound/driver.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -47,7 +46,6 @@ struct rate_priv {
unsigned int pitch;
unsigned int pos;
rate_f func;
- int get, put;
snd_pcm_sframes_t old_src_frames, old_dst_frames;
struct rate_channel channels[0];
};
@@ -71,21 +69,12 @@ static void resample_expand(struct snd_pcm_plugin *plugin,
unsigned int pos = 0;
signed int val;
signed short S1, S2;
- char *src, *dst;
+ signed short *src, *dst;
unsigned int channel;
int src_step, dst_step;
int src_frames1, dst_frames1;
struct rate_priv *data = (struct rate_priv *)plugin->extra_data;
struct rate_channel *rchannels = data->channels;
-
-#define GET_S16_LABELS
-#define PUT_S16_LABELS
-#include "plugin_ops.h"
-#undef GET_S16_LABELS
-#undef PUT_S16_LABELS
- void *get = get_s16_labels[data->get];
- void *put = put_s16_labels[data->put];
- signed short sample = 0;
for (channel = 0; channel < plugin->src_format.channels; channel++) {
pos = data->pos;
@@ -98,10 +87,12 @@ static void resample_expand(struct snd_pcm_plugin *plugin,
continue;
}
dst_channels[channel].enabled = 1;
- src = (char *)src_channels[channel].area.addr + src_channels[channel].area.first / 8;
- dst = (char *)dst_channels[channel].area.addr + dst_channels[channel].area.first / 8;
- src_step = src_channels[channel].area.step / 8;
- dst_step = dst_channels[channel].area.step / 8;
+ src = (signed short *)src_channels[channel].area.addr +
+ src_channels[channel].area.first / 8 / 2;
+ dst = (signed short *)dst_channels[channel].area.addr +
+ dst_channels[channel].area.first / 8 / 2;
+ src_step = src_channels[channel].area.step / 8 / 2;
+ dst_step = dst_channels[channel].area.step / 8 / 2;
src_frames1 = src_frames;
dst_frames1 = dst_frames;
while (dst_frames1-- > 0) {
@@ -109,12 +100,7 @@ static void resample_expand(struct snd_pcm_plugin *plugin,
pos &= R_MASK;
S1 = S2;
if (src_frames1-- > 0) {
- goto *get;
-#define GET_S16_END after_get
-#include "plugin_ops.h"
-#undef GET_S16_END
- after_get:
- S2 = sample;
+ S2 = *src;
src += src_step;
}
}
@@ -123,12 +109,7 @@ static void resample_expand(struct snd_pcm_plugin *plugin,
val = -32768;
else if (val > 32767)
val = 32767;
- sample = val;
- goto *put;
-#define PUT_S16_END after_put
-#include "plugin_ops.h"
-#undef PUT_S16_END
- after_put:
+ *dst = val;
dst += dst_step;
pos += data->pitch;
}
@@ -147,21 +128,12 @@ static void resample_shrink(struct snd_pcm_plugin *plugin,
unsigned int pos = 0;
signed int val;
signed short S1, S2;
- char *src, *dst;
+ signed short *src, *dst;
unsigned int channel;
int src_step, dst_step;
int src_frames1, dst_frames1;
struct rate_priv *data = (struct rate_priv *)plugin->extra_data;
struct rate_channel *rchannels = data->channels;
-
-#define GET_S16_LABELS
-#define PUT_S16_LABELS
-#include "plugin_ops.h"
-#undef GET_S16_LABELS
-#undef PUT_S16_LABELS
- void *get = get_s16_labels[data->get];
- void *put = put_s16_labels[data->put];
- signed short sample = 0;
for (channel = 0; channel < plugin->src_format.channels; ++channel) {
pos = data->pos;
@@ -174,21 +146,18 @@ static void resample_shrink(struct snd_pcm_plugin *plugin,
continue;
}
dst_channels[channel].enabled = 1;
- src = (char *)src_channels[channel].area.addr + src_channels[channel].area.first / 8;
- dst = (char *)dst_channels[channel].area.addr + dst_channels[channel].area.first / 8;
- src_step = src_channels[channel].area.step / 8;
- dst_step = dst_channels[channel].area.step / 8;
+ src = (signed short *)src_channels[channel].area.addr +
+ src_channels[channel].area.first / 8 / 2;
+ dst = (signed short *)dst_channels[channel].area.addr +
+ dst_channels[channel].area.first / 8 / 2;
+ src_step = src_channels[channel].area.step / 8 / 2;
+ dst_step = dst_channels[channel].area.step / 8 / 2;
src_frames1 = src_frames;
dst_frames1 = dst_frames;
while (dst_frames1 > 0) {
S1 = S2;
if (src_frames1-- > 0) {
- goto *get;
-#define GET_S16_END after_get
-#include "plugin_ops.h"
-#undef GET_S16_END
- after_get:
- S2 = sample;
+ S2 = *src;
src += src_step;
}
if (pos & ~R_MASK) {
@@ -198,12 +167,7 @@ static void resample_shrink(struct snd_pcm_plugin *plugin,
val = -32768;
else if (val > 32767)
val = 32767;
- sample = val;
- goto *put;
-#define PUT_S16_END after_put
-#include "plugin_ops.h"
-#undef PUT_S16_END
- after_put:
+ *dst = val;
dst += dst_step;
dst_frames1--;
}
@@ -221,7 +185,8 @@ static snd_pcm_sframes_t rate_src_frames(struct snd_pcm_plugin *plugin, snd_pcm_
struct rate_priv *data;
snd_pcm_sframes_t res;
- snd_assert(plugin != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plugin))
+ return -ENXIO;
if (frames == 0)
return 0;
data = (struct rate_priv *)plugin->extra_data;
@@ -253,7 +218,8 @@ static snd_pcm_sframes_t rate_dst_frames(struct snd_pcm_plugin *plugin, snd_pcm_
struct rate_priv *data;
snd_pcm_sframes_t res;
- snd_assert(plugin != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plugin))
+ return -ENXIO;
if (frames == 0)
return 0;
data = (struct rate_priv *)plugin->extra_data;
@@ -288,19 +254,20 @@ static snd_pcm_sframes_t rate_transfer(struct snd_pcm_plugin *plugin,
snd_pcm_uframes_t dst_frames;
struct rate_priv *data;
- snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
+ return -ENXIO;
if (frames == 0)
return 0;
#ifdef CONFIG_SND_DEBUG
{
unsigned int channel;
for (channel = 0; channel < plugin->src_format.channels; channel++) {
- snd_assert(src_channels[channel].area.first % 8 == 0 &&
- src_channels[channel].area.step % 8 == 0,
- return -ENXIO);
- snd_assert(dst_channels[channel].area.first % 8 == 0 &&
- dst_channels[channel].area.step % 8 == 0,
- return -ENXIO);
+ if (snd_BUG_ON(src_channels[channel].area.first % 8 ||
+ src_channels[channel].area.step % 8))
+ return -ENXIO;
+ if (snd_BUG_ON(dst_channels[channel].area.first % 8 ||
+ dst_channels[channel].area.step % 8))
+ return -ENXIO;
}
}
#endif
@@ -317,7 +284,8 @@ static int rate_action(struct snd_pcm_plugin *plugin,
enum snd_pcm_plugin_action action,
unsigned long udata)
{
- snd_assert(plugin != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plugin))
+ return -ENXIO;
switch (action) {
case INIT:
case PREPARE:
@@ -338,14 +306,20 @@ int snd_pcm_plugin_build_rate(struct snd_pcm_substream *plug,
struct rate_priv *data;
struct snd_pcm_plugin *plugin;
- snd_assert(r_plugin != NULL, return -ENXIO);
+ if (snd_BUG_ON(!r_plugin))
+ return -ENXIO;
*r_plugin = NULL;
- snd_assert(src_format->channels == dst_format->channels, return -ENXIO);
- snd_assert(src_format->channels > 0, return -ENXIO);
- snd_assert(snd_pcm_format_linear(src_format->format) != 0, return -ENXIO);
- snd_assert(snd_pcm_format_linear(dst_format->format) != 0, return -ENXIO);
- snd_assert(src_format->rate != dst_format->rate, return -ENXIO);
+ if (snd_BUG_ON(src_format->channels != dst_format->channels))
+ return -ENXIO;
+ if (snd_BUG_ON(src_format->channels <= 0))
+ return -ENXIO;
+ if (snd_BUG_ON(src_format->format != SNDRV_PCM_FORMAT_S16))
+ return -ENXIO;
+ if (snd_BUG_ON(dst_format->format != SNDRV_PCM_FORMAT_S16))
+ return -ENXIO;
+ if (snd_BUG_ON(src_format->rate == dst_format->rate))
+ return -ENXIO;
err = snd_pcm_plugin_build(plug, "rate conversion",
src_format, dst_format,
@@ -355,11 +329,6 @@ int snd_pcm_plugin_build_rate(struct snd_pcm_substream *plug,
if (err < 0)
return err;
data = (struct rate_priv *)plugin->extra_data;
- data->get = getput_index(src_format->format);
- snd_assert(data->get >= 0 && data->get < 4*2*2, return -EINVAL);
- data->put = getput_index(dst_format->format);
- snd_assert(data->put >= 0 && data->put < 4*2*2, return -EINVAL);
-
if (src_format->rate < dst_format->rate) {
data->pitch = ((src_format->rate << SHIFT) + (dst_format->rate >> 1)) / dst_format->rate;
data->func = resample_expand;
diff --git a/sound/core/oss/route.c b/sound/core/oss/route.c
index 726c5caa3fd..c8171f5783c 100644
--- a/sound/core/oss/route.c
+++ b/sound/core/oss/route.c
@@ -1,5 +1,5 @@
/*
- * Attenuated route Plug-In
+ * Route Plug-In
* Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
*
*
@@ -19,503 +19,91 @@
*
*/
-#include <sound/driver.h>
-#include <linux/slab.h>
#include <linux/time.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include "pcm_plugin.h"
-/* The best possible hack to support missing optimization in gcc 2.7.2.3 */
-#if ROUTE_PLUGIN_RESOLUTION & (ROUTE_PLUGIN_RESOLUTION - 1) != 0
-#define div(a) a /= ROUTE_PLUGIN_RESOLUTION
-#elif ROUTE_PLUGIN_RESOLUTION == 16
-#define div(a) a >>= 4
-#else
-#error "Add some code here"
-#endif
-
-struct ttable_dst;
-
-typedef void (*route_channel_f)(struct snd_pcm_plugin *plugin,
- const struct snd_pcm_plugin_channel *src_channels,
- struct snd_pcm_plugin_channel *dst_channel,
- struct ttable_dst *ttable, snd_pcm_uframes_t frames);
-
-struct ttable_src {
- int channel;
- int as_int;
-};
-
-struct ttable_dst {
- int att; /* Attenuated */
- unsigned int nsrcs;
- struct ttable_src *srcs;
- route_channel_f func;
-};
-
-struct route_priv {
- enum {R_UINT32=0, R_UINT64=1} sum_type;
- int get, put;
- int conv;
- int src_sample_size;
- struct ttable_dst ttable[0];
-};
-
-union sum {
- u_int32_t as_uint32;
- u_int64_t as_uint64;
-};
-
-
-static void route_to_channel_from_zero(struct snd_pcm_plugin *plugin,
- const struct snd_pcm_plugin_channel *src_channels,
- struct snd_pcm_plugin_channel *dst_channel,
- struct ttable_dst *ttable,
- snd_pcm_uframes_t frames)
+static void zero_areas(struct snd_pcm_plugin_channel *dvp, int ndsts,
+ snd_pcm_uframes_t frames, snd_pcm_format_t format)
{
- if (dst_channel->wanted)
- snd_pcm_area_silence(&dst_channel->area, 0, frames, plugin->dst_format.format);
- dst_channel->enabled = 0;
-}
-
-static void route_to_channel_from_one(struct snd_pcm_plugin *plugin,
- const struct snd_pcm_plugin_channel *src_channels,
- struct snd_pcm_plugin_channel *dst_channel,
- struct ttable_dst *ttable,
- snd_pcm_uframes_t frames)
-{
-#define CONV_LABELS
-#include "plugin_ops.h"
-#undef CONV_LABELS
- struct route_priv *data = (struct route_priv *)plugin->extra_data;
- void *conv;
- const struct snd_pcm_plugin_channel *src_channel = NULL;
- unsigned int srcidx;
- char *src, *dst;
- int src_step, dst_step;
- for (srcidx = 0; srcidx < ttable->nsrcs; ++srcidx) {
- src_channel = &src_channels[ttable->srcs[srcidx].channel];
- if (src_channel->area.addr != NULL)
- break;
- }
- if (srcidx == ttable->nsrcs) {
- route_to_channel_from_zero(plugin, src_channels, dst_channel, ttable, frames);
- return;
- }
-
- dst_channel->enabled = 1;
- conv = conv_labels[data->conv];
- src = src_channel->area.addr + src_channel->area.first / 8;
- src_step = src_channel->area.step / 8;
- dst = dst_channel->area.addr + dst_channel->area.first / 8;
- dst_step = dst_channel->area.step / 8;
- while (frames-- > 0) {
- goto *conv;
-#define CONV_END after
-#include "plugin_ops.h"
-#undef CONV_END
- after:
- src += src_step;
- dst += dst_step;
+ int dst = 0;
+ for (; dst < ndsts; ++dst) {
+ if (dvp->wanted)
+ snd_pcm_area_silence(&dvp->area, 0, frames, format);
+ dvp->enabled = 0;
+ dvp++;
}
}
-static void route_to_channel(struct snd_pcm_plugin *plugin,
- const struct snd_pcm_plugin_channel *src_channels,
+static inline void copy_area(const struct snd_pcm_plugin_channel *src_channel,
struct snd_pcm_plugin_channel *dst_channel,
- struct ttable_dst *ttable, snd_pcm_uframes_t frames)
+ snd_pcm_uframes_t frames, snd_pcm_format_t format)
{
-#define GET_U_LABELS
-#define PUT_U32_LABELS
-#include "plugin_ops.h"
-#undef GET_U_LABELS
-#undef PUT_U32_LABELS
- static void *zero_labels[2] = { &&zero_int32, &&zero_int64 };
- /* sum_type att */
- static void *add_labels[2 * 2] = { &&add_int32_noatt, &&add_int32_att,
- &&add_int64_noatt, &&add_int64_att,
- };
- /* sum_type att shift */
- static void *norm_labels[2 * 2 * 4] = { NULL,
- &&norm_int32_8_noatt,
- &&norm_int32_16_noatt,
- &&norm_int32_24_noatt,
- NULL,
- &&norm_int32_8_att,
- &&norm_int32_16_att,
- &&norm_int32_24_att,
- &&norm_int64_0_noatt,
- &&norm_int64_8_noatt,
- &&norm_int64_16_noatt,
- &&norm_int64_24_noatt,
- &&norm_int64_0_att,
- &&norm_int64_8_att,
- &&norm_int64_16_att,
- &&norm_int64_24_att,
- };
- struct route_priv *data = (struct route_priv *)plugin->extra_data;
- void *zero, *get, *add, *norm, *put_u32;
- int nsrcs = ttable->nsrcs;
- char *dst;
- int dst_step;
- char *srcs[nsrcs];
- int src_steps[nsrcs];
- struct ttable_src src_tt[nsrcs];
- u_int32_t sample = 0;
- int srcidx, srcidx1 = 0;
- for (srcidx = 0; srcidx < nsrcs; ++srcidx) {
- const struct snd_pcm_plugin_channel *src_channel = &src_channels[ttable->srcs[srcidx].channel];
- if (!src_channel->enabled)
- continue;
- srcs[srcidx1] = src_channel->area.addr + src_channel->area.first / 8;
- src_steps[srcidx1] = src_channel->area.step / 8;
- src_tt[srcidx1] = ttable->srcs[srcidx];
- srcidx1++;
- }
- nsrcs = srcidx1;
- if (nsrcs == 0) {
- route_to_channel_from_zero(plugin, src_channels, dst_channel, ttable, frames);
- return;
- } else if (nsrcs == 1 && src_tt[0].as_int == ROUTE_PLUGIN_RESOLUTION) {
- route_to_channel_from_one(plugin, src_channels, dst_channel, ttable, frames);
- return;
- }
-
dst_channel->enabled = 1;
- zero = zero_labels[data->sum_type];
- get = get_u_labels[data->get];
- add = add_labels[data->sum_type * 2 + ttable->att];
- norm = norm_labels[data->sum_type * 8 + ttable->att * 4 + 4 - data->src_sample_size];
- put_u32 = put_u32_labels[data->put];
- dst = dst_channel->area.addr + dst_channel->area.first / 8;
- dst_step = dst_channel->area.step / 8;
-
- while (frames-- > 0) {
- struct ttable_src *ttp = src_tt;
- union sum sum;
-
- /* Zero sum */
- goto *zero;
- zero_int32:
- sum.as_uint32 = 0;
- goto zero_end;
- zero_int64:
- sum.as_uint64 = 0;
- goto zero_end;
- zero_end:
- for (srcidx = 0; srcidx < nsrcs; ++srcidx) {
- char *src = srcs[srcidx];
-
- /* Get sample */
- goto *get;
-#define GET_U_END after_get
-#include "plugin_ops.h"
-#undef GET_U_END
- after_get:
-
- /* Sum */
- goto *add;
- add_int32_att:
- sum.as_uint32 += sample * ttp->as_int;
- goto after_sum;
- add_int32_noatt:
- if (ttp->as_int)
- sum.as_uint32 += sample;
- goto after_sum;
- add_int64_att:
- sum.as_uint64 += (u_int64_t) sample * ttp->as_int;
- goto after_sum;
- add_int64_noatt:
- if (ttp->as_int)
- sum.as_uint64 += sample;
- goto after_sum;
- after_sum:
- srcs[srcidx] += src_steps[srcidx];
- ttp++;
- }
-
- /* Normalization */
- goto *norm;
- norm_int32_8_att:
- sum.as_uint64 = sum.as_uint32;
- norm_int64_8_att:
- sum.as_uint64 <<= 8;
- norm_int64_0_att:
- div(sum.as_uint64);
- goto norm_int;
-
- norm_int32_16_att:
- sum.as_uint64 = sum.as_uint32;
- norm_int64_16_att:
- sum.as_uint64 <<= 16;
- div(sum.as_uint64);
- goto norm_int;
-
- norm_int32_24_att:
- sum.as_uint64 = sum.as_uint32;
- norm_int64_24_att:
- sum.as_uint64 <<= 24;
- div(sum.as_uint64);
- goto norm_int;
-
- norm_int32_8_noatt:
- sum.as_uint64 = sum.as_uint32;
- norm_int64_8_noatt:
- sum.as_uint64 <<= 8;
- goto norm_int;
-
- norm_int32_16_noatt:
- sum.as_uint64 = sum.as_uint32;
- norm_int64_16_noatt:
- sum.as_uint64 <<= 16;
- goto norm_int;
-
- norm_int32_24_noatt:
- sum.as_uint64 = sum.as_uint32;
- norm_int64_24_noatt:
- sum.as_uint64 <<= 24;
- goto norm_int;
-
- norm_int64_0_noatt:
- norm_int:
- if (sum.as_uint64 > (u_int32_t)0xffffffff)
- sample = (u_int32_t)0xffffffff;
- else
- sample = sum.as_uint64;
- goto after_norm;
-
- after_norm:
-
- /* Put sample */
- goto *put_u32;
-#define PUT_U32_END after_put_u32
-#include "plugin_ops.h"
-#undef PUT_U32_END
- after_put_u32:
-
- dst += dst_step;
- }
-}
-
-static int route_src_channels_mask(struct snd_pcm_plugin *plugin,
- unsigned long *dst_vmask,
- unsigned long **src_vmask)
-{
- struct route_priv *data = (struct route_priv *)plugin->extra_data;
- int schannels = plugin->src_format.channels;
- int dchannels = plugin->dst_format.channels;
- unsigned long *vmask = plugin->src_vmask;
- int channel;
- struct ttable_dst *dp = data->ttable;
- bitmap_zero(vmask, schannels);
- for (channel = 0; channel < dchannels; channel++, dp++) {
- unsigned int src;
- struct ttable_src *sp;
- if (!test_bit(channel, dst_vmask))
- continue;
- sp = dp->srcs;
- for (src = 0; src < dp->nsrcs; src++, sp++)
- set_bit(sp->channel, vmask);
- }
- *src_vmask = vmask;
- return 0;
-}
-
-static int route_dst_channels_mask(struct snd_pcm_plugin *plugin,
- unsigned long *src_vmask,
- unsigned long **dst_vmask)
-{
- struct route_priv *data = (struct route_priv *)plugin->extra_data;
- int dchannels = plugin->dst_format.channels;
- unsigned long *vmask = plugin->dst_vmask;
- int channel;
- struct ttable_dst *dp = data->ttable;
- bitmap_zero(vmask, dchannels);
- for (channel = 0; channel < dchannels; channel++, dp++) {
- unsigned int src;
- struct ttable_src *sp;
- sp = dp->srcs;
- for (src = 0; src < dp->nsrcs; src++, sp++) {
- if (test_bit(sp->channel, src_vmask)) {
- set_bit(channel, vmask);
- break;
- }
- }
- }
- *dst_vmask = vmask;
- return 0;
-}
-
-static void route_free(struct snd_pcm_plugin *plugin)
-{
- struct route_priv *data = (struct route_priv *)plugin->extra_data;
- unsigned int dst_channel;
- for (dst_channel = 0; dst_channel < plugin->dst_format.channels; ++dst_channel) {
- kfree(data->ttable[dst_channel].srcs);
- }
-}
-
-static int route_load_ttable(struct snd_pcm_plugin *plugin,
- const int *src_ttable)
-{
- struct route_priv *data;
- unsigned int src_channel, dst_channel;
- const int *sptr;
- struct ttable_dst *dptr;
- if (src_ttable == NULL)
- return 0;
- data = (struct route_priv *)plugin->extra_data;
- dptr = data->ttable;
- sptr = src_ttable;
- plugin->private_free = route_free;
- for (dst_channel = 0; dst_channel < plugin->dst_format.channels; ++dst_channel) {
- int t = 0;
- int att = 0;
- int nsrcs = 0;
- struct ttable_src srcs[plugin->src_format.channels];
- for (src_channel = 0; src_channel < plugin->src_format.channels; ++src_channel) {
- snd_assert(*sptr >= 0 || *sptr <= FULL, return -ENXIO);
- if (*sptr != 0) {
- srcs[nsrcs].channel = src_channel;
- srcs[nsrcs].as_int = *sptr;
- if (*sptr != FULL)
- att = 1;
- t += *sptr;
- nsrcs++;
- }
- sptr++;
- }
- dptr->att = att;
- dptr->nsrcs = nsrcs;
- if (nsrcs == 0)
- dptr->func = route_to_channel_from_zero;
- else if (nsrcs == 1 && !att)
- dptr->func = route_to_channel_from_one;
- else
- dptr->func = route_to_channel;
- if (nsrcs > 0) {
- int srcidx;
- dptr->srcs = kcalloc(nsrcs, sizeof(*srcs), GFP_KERNEL);
- for(srcidx = 0; srcidx < nsrcs; srcidx++)
- dptr->srcs[srcidx] = srcs[srcidx];
- } else
- dptr->srcs = NULL;
- dptr++;
- }
- return 0;
+ snd_pcm_area_copy(&src_channel->area, 0, &dst_channel->area, 0, frames, format);
}
static snd_pcm_sframes_t route_transfer(struct snd_pcm_plugin *plugin,
- const struct snd_pcm_plugin_channel *src_channels,
- struct snd_pcm_plugin_channel *dst_channels,
- snd_pcm_uframes_t frames)
+ const struct snd_pcm_plugin_channel *src_channels,
+ struct snd_pcm_plugin_channel *dst_channels,
+ snd_pcm_uframes_t frames)
{
- struct route_priv *data;
- int src_nchannels, dst_nchannels;
- int dst_channel;
- struct ttable_dst *ttp;
+ int nsrcs, ndsts, dst;
struct snd_pcm_plugin_channel *dvp;
+ snd_pcm_format_t format;
- snd_assert(plugin != NULL && src_channels != NULL && dst_channels != NULL, return -ENXIO);
+ if (snd_BUG_ON(!plugin || !src_channels || !dst_channels))
+ return -ENXIO;
if (frames == 0)
return 0;
- data = (struct route_priv *)plugin->extra_data;
- src_nchannels = plugin->src_format.channels;
- dst_nchannels = plugin->dst_format.channels;
+ nsrcs = plugin->src_format.channels;
+ ndsts = plugin->dst_format.channels;
-#ifdef CONFIG_SND_DEBUG
- {
- int src_channel;
- for (src_channel = 0; src_channel < src_nchannels; ++src_channel) {
- snd_assert(src_channels[src_channel].area.first % 8 == 0 ||
- src_channels[src_channel].area.step % 8 == 0,
- return -ENXIO);
- }
- for (dst_channel = 0; dst_channel < dst_nchannels; ++dst_channel) {
- snd_assert(dst_channels[dst_channel].area.first % 8 == 0 ||
- dst_channels[dst_channel].area.step % 8 == 0,
- return -ENXIO);
+ format = plugin->dst_format.format;
+ dvp = dst_channels;
+ if (nsrcs <= 1) {
+ /* expand to all channels */
+ for (dst = 0; dst < ndsts; ++dst) {
+ copy_area(src_channels, dvp, frames, format);
+ dvp++;
}
+ return frames;
}
-#endif
- ttp = data->ttable;
- dvp = dst_channels;
- for (dst_channel = 0; dst_channel < dst_nchannels; ++dst_channel) {
- ttp->func(plugin, src_channels, dvp, ttp, frames);
+ for (dst = 0; dst < ndsts && dst < nsrcs; ++dst) {
+ copy_area(src_channels, dvp, frames, format);
dvp++;
- ttp++;
+ src_channels++;
}
+ if (dst < ndsts)
+ zero_areas(dvp, ndsts - dst, frames, format);
return frames;
}
-int getput_index(int format)
-{
- int sign, width, endian;
- sign = !snd_pcm_format_signed(format);
- width = snd_pcm_format_width(format) / 8 - 1;
- if (width < 0 || width > 3) {
- snd_printk(KERN_ERR "snd-pcm-oss: invalid format %d\n", format);
- width = 0;
- }
-#ifdef SNDRV_LITTLE_ENDIAN
- endian = snd_pcm_format_big_endian(format);
-#else
- endian = snd_pcm_format_little_endian(format);
-#endif
- if (endian < 0)
- endian = 0;
- return width * 4 + endian * 2 + sign;
-}
-
int snd_pcm_plugin_build_route(struct snd_pcm_substream *plug,
struct snd_pcm_plugin_format *src_format,
struct snd_pcm_plugin_format *dst_format,
- int *ttable,
struct snd_pcm_plugin **r_plugin)
{
- struct route_priv *data;
struct snd_pcm_plugin *plugin;
int err;
- snd_assert(r_plugin != NULL, return -ENXIO);
+ if (snd_BUG_ON(!r_plugin))
+ return -ENXIO;
*r_plugin = NULL;
- snd_assert(src_format->rate == dst_format->rate, return -ENXIO);
- snd_assert(snd_pcm_format_linear(src_format->format) != 0 &&
- snd_pcm_format_linear(dst_format->format) != 0,
- return -ENXIO);
+ if (snd_BUG_ON(src_format->rate != dst_format->rate))
+ return -ENXIO;
+ if (snd_BUG_ON(src_format->format != dst_format->format))
+ return -ENXIO;
- err = snd_pcm_plugin_build(plug, "attenuated route conversion",
- src_format, dst_format,
- sizeof(struct route_priv) +
- sizeof(data->ttable[0]) * dst_format->channels,
- &plugin);
+ err = snd_pcm_plugin_build(plug, "route conversion",
+ src_format, dst_format, 0, &plugin);
if (err < 0)
return err;
- data = (struct route_priv *)plugin->extra_data;
-
- data->get = getput_index(src_format->format);
- snd_assert(data->get >= 0 && data->get < 4*2*2, return -EINVAL);
- data->put = getput_index(dst_format->format);
- snd_assert(data->get >= 0 && data->get < 4*2*2, return -EINVAL);
- data->conv = conv_index(src_format->format, dst_format->format);
-
- if (snd_pcm_format_width(src_format->format) == 32)
- data->sum_type = R_UINT64;
- else
- data->sum_type = R_UINT32;
- data->src_sample_size = snd_pcm_format_width(src_format->format) / 8;
-
- if ((err = route_load_ttable(plugin, ttable)) < 0) {
- snd_pcm_plugin_free(plugin);
- return err;
- }
plugin->transfer = route_transfer;
- plugin->src_channels_mask = route_src_channels_mask;
- plugin->dst_channels_mask = route_dst_channels_mask;
*r_plugin = plugin;
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-05 23:07:44 +0000