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/time.h> 30 #include <linux/timer.h> 31 #include <linux/wait.h> 32 #include <linux/fs.h> 33 #include <linux/string.h> 34 #include <linux/mutex.h> 35 #include <linux/slab.h> 36 37 #include <linux/dvb/dmx.h> 38 39 #include "dvbdev.h" 40 #include "demux.h" 41 #include "dvb_ringbuffer.h" 42 43 enum dmxdev_type { 44 DMXDEV_TYPE_NONE, 45 DMXDEV_TYPE_SEC, 46 DMXDEV_TYPE_PES, 47 }; 48 49 enum dmxdev_state { 50 DMXDEV_STATE_FREE, 51 DMXDEV_STATE_ALLOCATED, 52 DMXDEV_STATE_SET, 53 DMXDEV_STATE_GO, 54 DMXDEV_STATE_DONE, 55 DMXDEV_STATE_TIMEDOUT 56 }; 57 58 struct dmxdev_feed { 59 u16 pid; 60 struct dmx_ts_feed *ts; 61 struct list_head next; 62 }; 63 64 struct dmxdev_filter { 65 union { 66 struct dmx_section_filter *sec; 67 } filter; 68 69 union { 70 /* list of TS and PES feeds (struct dmxdev_feed) */ 71 struct list_head ts; 72 struct dmx_section_feed *sec; 73 } feed; 74 75 union { 76 struct dmx_sct_filter_params sec; 77 struct dmx_pes_filter_params pes; 78 } params; 79 80 enum dmxdev_type type; 81 enum dmxdev_state state; 82 struct dmxdev *dev; 83 struct dvb_ringbuffer buffer; 84 85 struct mutex mutex; 86 87 /* only for sections */ 88 struct timer_list timer; 89 int todo; 90 u8 secheader[3]; 91 }; 92 93 94 struct dmxdev { 95 struct dvb_device *dvbdev; 96 struct dvb_device *dvr_dvbdev; 97 98 struct dmxdev_filter *filter; 99 struct dmx_demux *demux; 100 101 int filternum; 102 int capabilities; 103 104 unsigned int exit:1; 105 #define DMXDEV_CAP_DUPLEX 1 106 struct dmx_frontend *dvr_orig_fe; 107 108 struct dvb_ringbuffer dvr_buffer; 109 #define DVR_BUFFER_SIZE (10*188*1024) 110 111 struct mutex mutex; 112 spinlock_t lock; 113 }; 114 115 116 int dvb_dmxdev_init(struct dmxdev *dmxdev, struct dvb_adapter *); 117 void dvb_dmxdev_release(struct dmxdev *dmxdev); 118 119 #endif /* _DMXDEV_H_ */ 120