/*
* dvb_demux.h - DVB kernel demux API
*
* Copyright (C) 2000-2001 Marcus Metzler <marcus@convergence.de>
* & Ralph Metzler <ralph@convergence.de>
* 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 _DVB_DEMUX_H_
#define _DVB_DEMUX_H_
#if LINUX_VERSION_CODE < 0x020300
#define WAIT_QUEUE struct wait_queue*
#define init_waitqueue_head(wq) *(wq) = NULL;
#define DECLARE_WAITQUEUE(wait, current) struct wait_queue wait = { current, NULL }
#define list_for_each(pos, head) \
for (pos = (head)->next; pos != (head); pos = pos->next)
#else
#define WAIT_QUEUE wait_queue_head_t
#endif
#ifdef __DVB_PACK__
#include <ost/demux.h>
#else
#include <linux/ost/demux.h>
#endif
#define DMX_TYPE_TS 0
#define DMX_TYPE_SEC 1
#define DMX_TYPE_PES 2
#define DMX_STATE_FREE 0
#define DMX_STATE_ALLOCATED 1
#define DMX_STATE_SET 2
#define DMX_STATE_READY 3
#define DMX_STATE_GO 4
#define DVB_DEMUX_MASK_MAX 18
typedef struct dvb_demux_filter_s {
dmx_section_filter_t filter;
struct dvb_demux_filter_s *next;
struct dvb_demux_feed_s *feed;
int index;
int state;
int type;
int pesto;
u32 flags;
u16 handle;
u16 hw_handle;
struct timer_list timer;
int ts_state;
u16 pid; //to be removed
} dvb_demux_filter_t;
typedef struct dvb_demux_feed_s {
union {
dmx_ts_feed_t ts;
dmx_section_feed_t sec;
dmx_pes_feed_t pes;
} feed;
union {
dmx_ts_cb ts;
dmx_section_cb sec;
dmx_pes_cb pes;
} cb;
struct dvb_demux_s *demux;
int type;
int state;
u16 pid;
u8 *buffer;
int buffer_size;
int descramble;
int check_crc;
struct timespec timeout;
dvb_demux_filter_t *filter;
int cb_length;
int ts_type;
dmx_ts_pes_t pes_type;
u8 secbuf[4096];
int secbufp;
int seclen;
int cc;
u16 peslen;
} dvb_demux_feed_t;
typedef struct dvb_demux_s {
dmx_demux_t dmx;
void *priv;
int filternum;
int feednum;
int (*start_feed)(dvb_demux_feed_t *);
int (*stop_feed)(dvb_demux_feed_t *);
int (*write_to_decoder)(dvb_demux_feed_t *, u8 *, size_t);
int users;
#define MAX_DVB_DEMUX_USERS 10
dvb_demux_filter_t *filter;
dvb_demux_feed_t *feed;
struct list_head frontend_list;
dvb_demux_feed_t *pesfilter[DMX_TS_PES_OTHER];
u16 pids[DMX_TS_PES_OTHER];
int playing;
int recording;
#define DMX_MAX_PID 0x2000
dvb_demux_feed_t *pid2feed[DMX_MAX_PID+1];
u8 tsbuf[188];
int tsbufp;
struct semaphore mutex;
} dvb_demux_t;
int DvbDmxInit(dvb_demux_t *dvbdemux);
int DvbDmxRelease(dvb_demux_t *dvbdemux);
void DvbDmxSWFilterPackets(dvb_demux_t *dvbdmx, const u8 *buf, int count);
#endif /* _DVB_DEMUX_H_ */
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