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> 33#include <linux/mutex.h> 34#include <linux/slab.h> 35 36#include <linux/dvb/dmx.h> 37 38#include "dvbdev.h" 39#include "demux.h" 40#include "dvb_ringbuffer.h" 41 42enum dmxdev_type { 43 DMXDEV_TYPE_NONE, 44 DMXDEV_TYPE_SEC, 45 DMXDEV_TYPE_PES, 46}; 47 48enum dmxdev_state { 49 DMXDEV_STATE_FREE, 50 DMXDEV_STATE_ALLOCATED, 51 DMXDEV_STATE_SET, 52 DMXDEV_STATE_GO, 53 DMXDEV_STATE_DONE, 54 DMXDEV_STATE_TIMEDOUT 55}; 56 57struct dmxdev_feed { 58 u16 pid; 59 struct dmx_ts_feed *ts; 60 struct list_head next; 61}; 62 63struct dmxdev_filter { 64 union { 65 struct dmx_section_filter *sec; 66 } filter; 67 68 union { 69 /* list of TS and PES feeds (struct dmxdev_feed) */ 70 struct list_head ts; 71 struct dmx_section_feed *sec; 72 } feed; 73 74 union { 75 struct dmx_sct_filter_params sec; 76 struct dmx_pes_filter_params pes; 77 } params; 78 79 enum dmxdev_type type; 80 enum dmxdev_state state; 81 struct dmxdev *dev; 82 struct dvb_ringbuffer buffer; 83 84 struct mutex mutex; 85 86 /* only for sections */ 87 struct timer_list timer; 88 int todo; 89 u8 secheader[3]; 90}; 91 92 93struct dmxdev { 94 struct dvb_device *dvbdev; 95 struct dvb_device *dvr_dvbdev; 96 97 struct dmxdev_filter *filter; 98 struct dmx_demux *demux; 99 100 int filternum; 101 int capabilities; 102 103 unsigned int exit:1; 104#define DMXDEV_CAP_DUPLEX 1 105 struct dmx_frontend *dvr_orig_fe; 106 107 struct dvb_ringbuffer dvr_buffer; 108#define DVR_BUFFER_SIZE (10*188*1024) 109 110 struct mutex mutex; 111 spinlock_t lock; 112}; 113 114 115int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *); 116void dvb_dmxdev_release(struct dmxdev *dmxdev); 117 118#endif /* _DMXDEV_H_ */ 119