diff options
Diffstat (limited to 'drivers/media/dvb-core/dmxdev.h')
-rw-r--r-- | drivers/media/dvb-core/dmxdev.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/drivers/media/dvb-core/dmxdev.h b/drivers/media/dvb-core/dmxdev.h new file mode 100644 index 00000000000..02ebe28f830 --- /dev/null +++ b/drivers/media/dvb-core/dmxdev.h @@ -0,0 +1,118 @@ +/* + * dmxdev.h + * + * Copyright (C) 2000 Ralph Metzler & Marcus Metzler + * for convergence integrated media GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 2.1 + * 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 General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#ifndef _DMXDEV_H_ +#define _DMXDEV_H_ + +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/kernel.h> +#include <linux/timer.h> +#include <linux/wait.h> +#include <linux/fs.h> +#include <linux/string.h> +#include <linux/mutex.h> +#include <linux/slab.h> + +#include <linux/dvb/dmx.h> + +#include "dvbdev.h" +#include "demux.h" +#include "dvb_ringbuffer.h" + +enum dmxdev_type { + DMXDEV_TYPE_NONE, + DMXDEV_TYPE_SEC, + DMXDEV_TYPE_PES, +}; + +enum dmxdev_state { + DMXDEV_STATE_FREE, + DMXDEV_STATE_ALLOCATED, + DMXDEV_STATE_SET, + DMXDEV_STATE_GO, + DMXDEV_STATE_DONE, + DMXDEV_STATE_TIMEDOUT +}; + +struct dmxdev_feed { + u16 pid; + struct dmx_ts_feed *ts; + struct list_head next; +}; + +struct dmxdev_filter { + union { + struct dmx_section_filter *sec; + } filter; + + union { + /* list of TS and PES feeds (struct dmxdev_feed) */ + struct list_head ts; + struct dmx_section_feed *sec; + } feed; + + union { + struct dmx_sct_filter_params sec; + struct dmx_pes_filter_params pes; + } params; + + enum dmxdev_type type; + enum dmxdev_state state; + struct dmxdev *dev; + struct dvb_ringbuffer buffer; + + struct mutex mutex; + + /* only for sections */ + struct timer_list timer; + int todo; + u8 secheader[3]; +}; + + +struct dmxdev { + struct dvb_device *dvbdev; + struct dvb_device *dvr_dvbdev; + + struct dmxdev_filter *filter; + struct dmx_demux *demux; + + int filternum; + int capabilities; + + unsigned int exit:1; +#define DMXDEV_CAP_DUPLEX 1 + struct dmx_frontend *dvr_orig_fe; + + struct dvb_ringbuffer dvr_buffer; +#define DVR_BUFFER_SIZE (10*188*1024) + + struct mutex mutex; + spinlock_t lock; +}; + + +int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *); +void dvb_dmxdev_release(struct dmxdev *dmxdev); + +#endif /* _DMXDEV_H_ */ |