Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * dvb_demux.h: DVB kernel demux API |
| 3 | * |
| 4 | * Copyright (C) 2000-2001 Marcus Metzler & Ralph 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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #ifndef _DVB_DEMUX_H_ |
| 24 | #define _DVB_DEMUX_H_ |
| 25 | |
| 26 | #include <linux/time.h> |
| 27 | #include <linux/timer.h> |
| 28 | #include <linux/spinlock.h> |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 29 | #include <linux/mutex.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | |
| 31 | #include "demux.h" |
| 32 | |
| 33 | #define DMX_TYPE_TS 0 |
| 34 | #define DMX_TYPE_SEC 1 |
| 35 | #define DMX_TYPE_PES 2 |
| 36 | |
| 37 | #define DMX_STATE_FREE 0 |
| 38 | #define DMX_STATE_ALLOCATED 1 |
| 39 | #define DMX_STATE_SET 2 |
| 40 | #define DMX_STATE_READY 3 |
| 41 | #define DMX_STATE_GO 4 |
| 42 | |
| 43 | #define DVB_DEMUX_MASK_MAX 18 |
| 44 | |
Abylay Ospan | 0d83463 | 2009-06-06 09:31:34 -0300 | [diff] [blame] | 45 | #define MAX_PID 0x1fff |
| 46 | |
Abylay Ospan | 26b9d6c | 2009-11-01 18:46:53 -0300 | [diff] [blame] | 47 | #define SPEED_PKTS_INTERVAL 50000 |
| 48 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | struct dvb_demux_filter { |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 50 | struct dmx_section_filter filter; |
| 51 | u8 maskandmode[DMX_MAX_FILTER_SIZE]; |
| 52 | u8 maskandnotmode[DMX_MAX_FILTER_SIZE]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | int doneq; |
| 54 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 55 | struct dvb_demux_filter *next; |
| 56 | struct dvb_demux_feed *feed; |
| 57 | int index; |
| 58 | int state; |
| 59 | int type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 61 | u16 hw_handle; |
| 62 | struct timer_list timer; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | }; |
| 64 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | #define DMX_FEED_ENTRY(pos) list_entry(pos, struct dvb_demux_feed, list_head) |
| 66 | |
| 67 | struct dvb_demux_feed { |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 68 | union { |
| 69 | struct dmx_ts_feed ts; |
| 70 | struct dmx_section_feed sec; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | } feed; |
| 72 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 73 | union { |
| 74 | dmx_ts_cb ts; |
| 75 | dmx_section_cb sec; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | } cb; |
| 77 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 78 | struct dvb_demux *demux; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | void *priv; |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 80 | int type; |
| 81 | int state; |
| 82 | u16 pid; |
| 83 | u8 *buffer; |
| 84 | int buffer_size; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 86 | struct timespec timeout; |
| 87 | struct dvb_demux_filter *filter; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 89 | int ts_type; |
| 90 | enum dmx_ts_pes pes_type; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 92 | int cc; |
| 93 | int pusi_seen; /* prevents feeding of garbage from previous section */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 95 | u16 peslen; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | |
| 97 | struct list_head list_head; |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 98 | unsigned int index; /* a unique index for each feed (can be used as hardware pid filter index) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | }; |
| 100 | |
| 101 | struct dvb_demux { |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 102 | struct dmx_demux dmx; |
| 103 | void *priv; |
| 104 | int filternum; |
| 105 | int feednum; |
| 106 | int (*start_feed)(struct dvb_demux_feed *feed); |
| 107 | int (*stop_feed)(struct dvb_demux_feed *feed); |
| 108 | int (*write_to_decoder)(struct dvb_demux_feed *feed, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | const u8 *buf, size_t len); |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 110 | u32 (*check_crc32)(struct dvb_demux_feed *feed, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | const u8 *buf, size_t len); |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 112 | void (*memcopy)(struct dvb_demux_feed *feed, u8 *dst, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | const u8 *src, size_t len); |
| 114 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 115 | int users; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | #define MAX_DVB_DEMUX_USERS 10 |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 117 | struct dvb_demux_filter *filter; |
| 118 | struct dvb_demux_feed *feed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 120 | struct list_head frontend_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | |
Mauro Carvalho Chehab | fde04ab | 2013-04-04 13:25:30 -0300 | [diff] [blame] | 122 | struct dvb_demux_feed *pesfilter[DMX_PES_OTHER]; |
| 123 | u16 pids[DMX_PES_OTHER]; |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 124 | int playing; |
| 125 | int recording; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 126 | |
| 127 | #define DMX_MAX_PID 0x2000 |
| 128 | struct list_head feed_list; |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 129 | u8 tsbuf[204]; |
| 130 | int tsbufp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 132 | struct mutex mutex; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | spinlock_t lock; |
Abylay Ospan | 0d83463 | 2009-06-06 09:31:34 -0300 | [diff] [blame] | 134 | |
| 135 | uint8_t *cnt_storage; /* for TS continuity check */ |
Abylay Ospan | 26b9d6c | 2009-11-01 18:46:53 -0300 | [diff] [blame] | 136 | |
| 137 | struct timespec speed_last_time; /* for TS speed check */ |
| 138 | uint32_t speed_pkts_cnt; /* for TS speed check */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | }; |
| 140 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | int dvb_dmx_init(struct dvb_demux *dvbdemux); |
Andreas Oberritter | 9365346 | 2005-09-09 13:02:23 -0700 | [diff] [blame] | 142 | void dvb_dmx_release(struct dvb_demux *dvbdemux); |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 143 | void dvb_dmx_swfilter_packets(struct dvb_demux *dvbdmx, const u8 *buf, |
| 144 | size_t count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count); |
Andreas Oberritter | dad4a73 | 2005-09-09 13:02:26 -0700 | [diff] [blame] | 146 | void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf, |
| 147 | size_t count); |
Michael Krufky | 8e15670 | 2011-08-27 18:46:37 -0300 | [diff] [blame] | 148 | void dvb_dmx_swfilter_raw(struct dvb_demux *demux, const u8 *buf, |
| 149 | size_t count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | |
| 151 | #endif /* _DVB_DEMUX_H_ */ |