diff options
| author | Hans Verkuil <hverkuil@xs4all.nl> | 2007-02-18 14:56:22 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-03-01 13:09:46 -0200 |
| commit | ada6ecd2bf1d97e1f3bac6d5af4c7c4390a0a5af (patch) | |
| tree | dcc213321ea37b25abc4d1f835ed3898655aed69 | |
| parent | db6eb5b334a0f095290b99096f68ff24ab6df1aa (diff) | |
V4L/DVB (5271): Add VIDIOC_TRY_ENCODER_CMD and VIDIOC_ENCODER_CMD ioctls.
Add support for starting, stopping, pausing and resuming an MPEG (or similar
compressed stream) encoder.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 4 | ||||
| -rw-r--r-- | drivers/media/video/videodev.c | 24 | ||||
| -rw-r--r-- | include/linux/videodev2.h | 24 | ||||
| -rw-r--r-- | include/media/v4l2-dev.h | 4 |
4 files changed, 54 insertions, 2 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index 2fe97c4cb35..57aaed3239d 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -374,7 +374,9 @@ static const char *v4l2_ioctls[] = { #if 1 [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES", [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS", - [_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX" + [_IOC_NR(VIDIOC_G_ENC_INDEX)] = "VIDIOC_G_ENC_INDEX", + [_IOC_NR(VIDIOC_ENCODER_CMD)] = "VIDIOC_ENCODER_CMD", + [_IOC_NR(VIDIOC_TRY_ENCODER_CMD)] = "VIDIOC_TRY_ENCODER_CMD" #endif }; #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls) diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c index cd13e6108e5..011938fb7e0 100644 --- a/drivers/media/video/videodev.c +++ b/drivers/media/video/videodev.c @@ -1354,6 +1354,30 @@ static int __video_do_ioctl(struct inode *inode, struct file *file, p->entries,p->entries_cap); break; } + case VIDIOC_ENCODER_CMD: + { + struct v4l2_encoder_cmd *p=arg; + + if (!vfd->vidioc_encoder_cmd) + break; + ret=vfd->vidioc_encoder_cmd(file, fh, p); + if (!ret) + dbgarg (cmd, "cmd=%d, flags=%d\n", + p->cmd,p->flags); + break; + } + case VIDIOC_TRY_ENCODER_CMD: + { + struct v4l2_encoder_cmd *p=arg; + + if (!vfd->vidioc_try_encoder_cmd) + break; + ret=vfd->vidioc_try_encoder_cmd(file, fh, p); + if (!ret) + dbgarg (cmd, "cmd=%d, flags=%d\n", + p->cmd,p->flags); + break; + } case VIDIOC_G_PARM: { struct v4l2_streamparm *p=arg; diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 42cfdd2d50d..854875869db 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -1193,7 +1193,7 @@ struct v4l2_audioout }; /* - * M P E G I N D E X + * M P E G S E R V I C E S * * NOTE: EXPERIMENTAL API */ @@ -1218,6 +1218,26 @@ struct v4l2_enc_idx { __u32 reserved[4]; struct v4l2_enc_idx_entry entry[V4L2_ENC_IDX_ENTRIES]; }; + + +#define V4L2_ENC_CMD_START (0) +#define V4L2_ENC_CMD_STOP (1) +#define V4L2_ENC_CMD_PAUSE (2) +#define V4L2_ENC_CMD_RESUME (3) + +/* Flags for V4L2_ENC_CMD_STOP */ +#define V4L2_ENC_CMD_STOP_AT_GOP_END (1 << 0) + +struct v4l2_encoder_cmd { + __u32 cmd; + __u32 flags; + union { + struct { + __u32 data[8]; + } raw; + }; +}; + #endif @@ -1415,6 +1435,8 @@ struct v4l2_register { #define VIDIOC_ENUM_FRAMESIZES _IOWR ('V', 74, struct v4l2_frmsizeenum) #define VIDIOC_ENUM_FRAMEINTERVALS _IOWR ('V', 75, struct v4l2_frmivalenum) #define VIDIOC_G_ENC_INDEX _IOR ('V', 76, struct v4l2_enc_idx) +#define VIDIOC_ENCODER_CMD _IOWR ('V', 77, struct v4l2_encoder_cmd) +#define VIDIOC_TRY_ENCODER_CMD _IOWR ('V', 78, struct v4l2_encoder_cmd) #endif /* only implemented if CONFIG_VIDEO_ADV_DEBUG is defined */ #define VIDIOC_DBG_S_REGISTER _IOW ('d', 100, struct v4l2_register) diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h index e5e87e44c58..1dd3d3239ec 100644 --- a/include/media/v4l2-dev.h +++ b/include/media/v4l2-dev.h @@ -273,6 +273,10 @@ struct video_device struct v4l2_jpegcompression *a); int (*vidioc_g_enc_index) (struct file *file, void *fh, struct v4l2_enc_idx *a); + int (*vidioc_encoder_cmd) (struct file *file, void *fh, + struct v4l2_encoder_cmd *a); + int (*vidioc_try_encoder_cmd) (struct file *file, void *fh, + struct v4l2_encoder_cmd *a); /* Stream type-dependent parameter ioctls */ int (*vidioc_g_parm) (struct file *file, void *fh, |