Release 4.7 drivers/media/dvb-core/dmxdev.h
/*
* 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/time.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_ */
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