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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | /* * dvb_demux.h: DVB kernel demux API * * Copyright (C) 2000-2001 Marcus Metzler & Ralph 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 _DVB_DEMUX_H_ #define _DVB_DEMUX_H_ #include <linux/time.h> #include <linux/timer.h> #include <linux/spinlock.h> #include <asm/semaphore.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 { struct dmx_section_filter 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; }; #define DMX_FEED_ENTRY(pos) list_entry(pos, struct dvb_demux_feed, list_head) struct dvb_demux_feed { union { struct dmx_ts_feed ts; struct dmx_section_feed 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; enum dmx_ts_pes pes_type; int cc; u16 peslen; struct list_head list_head; }; struct dvb_demux { struct dmx_demux dmx; void *priv; int filternum; int feednum; int (*start_feed) (struct dvb_demux_feed *feed); int (*stop_feed) (struct dvb_demux_feed *feed); int (*write_to_decoder) (struct dvb_demux_feed *feed, const u8 *buf, size_t len); u32 (*check_crc32) (struct dvb_demux_feed *feed, const u8 *buf, size_t len); void (*memcopy) (struct dvb_demux_feed *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 list_head feed_list; u8 tsbuf[204]; 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, size_t count); void dvb_dmx_swfilter(struct dvb_demux *demux, const u8 *buf, size_t count); void dvb_dmx_swfilter_204(struct dvb_demux *demux, const u8 *buf, size_t count); int dvbdmx_connect_frontend(struct dmx_demux *demux, struct dmx_frontend *frontend); int dvbdmx_disconnect_frontend(struct dmx_demux *demux); #endif /* _DVB_DEMUX_H_ */ |