[linux-2.6-block.git] / drivers / media / dvb / 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/timer.h>
#include <linux/wait.h>
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/mutex.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_ */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* dmxdev.h
	3	*
	4	* Copyright (C) 2000 Ralph Metzler & Marcus Metzler
	5	* for convergence integrated media GmbH
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU Lesser General Public License
	9	* as published by the Free Software Foundation; either version 2.1
	10	* of the License, or (at your option) any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU Lesser General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
	20	*
	21	*/
	22
	23	#ifndef _DMXDEV_H_
	24	#define _DMXDEV_H_
	25
	26	#include <linux/types.h>
	27	#include <linux/spinlock.h>
	28	#include <linux/kernel.h>
	29	#include <linux/timer.h>
	30	#include <linux/wait.h>
	31	#include <linux/fs.h>
	32	#include <linux/string.h>
3593cab5	33	#include <linux/mutex.h>
1da177e4 LT	34
	35	#include <linux/dvb/dmx.h>
	36
	37	#include "dvbdev.h"
	38	#include "demux.h"
34731df2	39	#include "dvb_ringbuffer.h"
1da177e4	40
bbad7dc5	41	enum dmxdev_type {
1da177e4 LT	42	DMXDEV_TYPE_NONE,
	43	DMXDEV_TYPE_SEC,
	44	DMXDEV_TYPE_PES,
	45	};
	46
	47	enum dmxdev_state {
	48	DMXDEV_STATE_FREE,
	49	DMXDEV_STATE_ALLOCATED,
	50	DMXDEV_STATE_SET,
	51	DMXDEV_STATE_GO,
	52	DMXDEV_STATE_DONE,
	53	DMXDEV_STATE_TIMEDOUT
	54	};
	55
1cb662a3 AO	56	struct dmxdev_feed {
	57	u16 pid;
	58	struct dmx_ts_feed *ts;
	59	struct list_head next;
	60	};
	61
1da177e4	62	struct dmxdev_filter {
afd1a0c9 MCC	63	union {
afd1a0c9 MCC	64	struct dmx_section_filter *sec;
1da177e4 LT	65	} filter;
1da177e4 LT	66
afd1a0c9	67	union {
1cb662a3 AO	68	/* list of TS and PES feeds (struct dmxdev_feed) */
1cb662a3 AO	69	struct list_head ts;
afd1a0c9	70	struct dmx_section_feed *sec;
1da177e4 LT	71	} feed;
1da177e4 LT	72
afd1a0c9 MCC	73	union {
	74	struct dmx_sct_filter_params sec;
	75	struct dmx_pes_filter_params pes;
1da177e4 LT	76	} params;
1da177e4 LT	77
bbad7dc5	78	enum dmxdev_type type;
afd1a0c9 MCC	79	enum dmxdev_state state;
afd1a0c9 MCC	80	struct dmxdev *dev;
34731df2	81	struct dvb_ringbuffer buffer;
1da177e4	82
3593cab5	83	struct mutex mutex;
1da177e4	84
afd1a0c9 MCC	85	/* only for sections */
	86	struct timer_list timer;
	87	int todo;
	88	u8 secheader[3];
1da177e4 LT	89	};
	90
	91
1da177e4 LT	92	struct dmxdev {
	93	struct dvb_device *dvbdev;
	94	struct dvb_device *dvr_dvbdev;
	95
afd1a0c9	96	struct dmxdev_filter *filter;
afd1a0c9	97	struct dmx_demux *demux;
1da177e4	98
afd1a0c9 MCC	99	int filternum;
afd1a0c9 MCC	100	int capabilities;
57861b43 MR	101
57861b43 MR	102	unsigned int exit:1;
1da177e4	103	#define DMXDEV_CAP_DUPLEX 1
afd1a0c9	104	struct dmx_frontend *dvr_orig_fe;
1da177e4	105
34731df2	106	struct dvb_ringbuffer dvr_buffer;
1da177e4 LT	107	#define DVR_BUFFER_SIZE (101881024)
1da177e4 LT	108
3593cab5	109	struct mutex mutex;
1da177e4 LT	110	spinlock_t lock;
	111	};
	112
	113
	114	int dvb_dmxdev_init(struct dmxdev dmxdev, struct dvb_adapter );
	115	void dvb_dmxdev_release(struct dmxdev *dmxdev);
	116
	117	#endif /* _DMXDEV_H_ */