File:
[DVB] /
DVB /
driver /
dvb_demux.h
Revision
1.26:
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Thu Nov 21 15:00:59 2002 UTC (21 years, 6 months ago) by
fschirmer
Branches:
MAIN
CVS tags:
branch_f_092003,
branch_20040513,
branch_20031217,
LINUXTV-DVB-1_0_1,
LINUXTV-DVB-1_0_0_pre3,
LINUXTV-DVB-1_0_0_pre2,
LINUXTV-DVB-1_0_0_pre1,
LINUXTV-DVB-1_0_0,
HEAD
CRC handling / seeding changes
/*
* 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_
#include "demux.h"
#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
struct dvb_demux_filter {
dmx_section_filter_t filter;
u8 maskandmode [DMX_MAX_FILTER_SIZE];
u8 maskandnotmode [DMX_MAX_FILTER_SIZE];
int doneq;
struct dvb_demux_filter *next;
struct dvb_demux_feed *feed;
int index;
int state;
int type;
int pesto;
u16 handle;
u16 hw_handle;
struct timer_list timer;
int ts_state;
};
struct dvb_demux_feed {
union {
dmx_ts_feed_t ts;
dmx_section_feed_t sec;
} feed;
union {
dmx_ts_cb ts;
dmx_section_cb sec;
} cb;
struct dvb_demux *demux;
void *priv;
int type;
int state;
u16 pid;
u8 *buffer;
int buffer_size;
int descramble;
struct timespec timeout;
struct dvb_demux_filter *filter;
int cb_length;
int ts_type;
dmx_ts_pes_t pes_type;
int cc;
u16 peslen;
};
struct dvb_demux {
dmx_demux_t dmx;
void *priv;
int filternum;
int feednum;
int (*start_feed) (struct dvb_demux_feed *);
int (*stop_feed) (struct dvb_demux_feed *);
int (*write_to_decoder) (struct dvb_demux_feed *, u8 *buf, size_t len);
u32 (*check_crc32) (struct dvb_demux_feed *,
const u8 *buf, size_t len);
void (*memcopy) (struct dvb_demux_feed *, u8 *dst,
const u8 *src, size_t len);
int users;
#define MAX_DVB_DEMUX_USERS 10
struct dvb_demux_filter *filter;
struct dvb_demux_feed *feed;
struct list_head frontend_list;
struct dvb_demux_feed *pesfilter[DMX_TS_PES_OTHER];
u16 pids[DMX_TS_PES_OTHER];
int playing;
int recording;
#define DMX_MAX_PID 0x2000
struct dvb_demux_feed *pid2feed[DMX_MAX_PID+1];
u8 tsbuf[188];
int tsbufp;
struct semaphore mutex;
spinlock_t lock;
};
int dvb_dmx_init(struct dvb_demux *dvbdemux);
int dvb_dmx_release(struct dvb_demux *dvbdemux);
void dvb_dmx_swfilter_packet(struct dvb_demux *dvbdmx, const u8 *buf);
void dvb_dmx_swfilter_packets(struct dvb_demux *dvbdmx, const u8 *buf, int count);
#endif /* _DVB_DEMUX_H_ */
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