1 /* 2 * dmx.h 3 * 4 * Copyright (C) 2000 Marcus Metzler <[email protected]> 5 * & Ralph Metzler <[email protected]> 6 * for convergence integrated media GmbH 7 * 8 * This program is free software; you can redistribute it and/or 9 * modify it under the terms of the GNU Lesser General Public License 10 * as published by the Free Software Foundation; either version 2.1 11 * of the License, or (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU Lesser General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 21 * 22 */ 23 24 #ifndef _UAPI_DVBDMX_H_ 25 #define _UAPI_DVBDMX_H_ 26 27 #include <linux/types.h> 28 #ifndef __KERNEL__ 29 #include <time.h> 30 #endif 31 32 33 #define DMX_FILTER_SIZE 16 34 35 enum dmx_output 36 { 37 DMX_OUT_DECODER, /* Streaming directly to decoder. */ 38 DMX_OUT_TAP, /* Output going to a memory buffer */ 39 /* (to be retrieved via the read command).*/ 40 DMX_OUT_TS_TAP, /* Output multiplexed into a new TS */ 41 /* (to be retrieved by reading from the */ 42 /* logical DVR device). */ 43 DMX_OUT_TSDEMUX_TAP /* Like TS_TAP but retrieved from the DMX device */ 44 }; 45 46 enum dmx_input 47 { 48 DMX_IN_FRONTEND, /* Input from a front-end device. */ 49 DMX_IN_DVR /* Input from the logical DVR device. */ 50 }; 51 52 53 enum dmx_ts_pes 54 { 55 DMX_PES_AUDIO0, 56 DMX_PES_VIDEO0, 57 DMX_PES_TELETEXT0, 58 DMX_PES_SUBTITLE0, 59 DMX_PES_PCR0, 60 61 DMX_PES_AUDIO1, 62 DMX_PES_VIDEO1, 63 DMX_PES_TELETEXT1, 64 DMX_PES_SUBTITLE1, 65 DMX_PES_PCR1, 66 67 DMX_PES_AUDIO2, 68 DMX_PES_VIDEO2, 69 DMX_PES_TELETEXT2, 70 DMX_PES_SUBTITLE2, 71 DMX_PES_PCR2, 72 73 DMX_PES_AUDIO3, 74 DMX_PES_VIDEO3, 75 DMX_PES_TELETEXT3, 76 DMX_PES_SUBTITLE3, 77 DMX_PES_PCR3, 78 79 DMX_PES_OTHER 80 }; 81 82 #define DMX_PES_AUDIO DMX_PES_AUDIO0 83 #define DMX_PES_VIDEO DMX_PES_VIDEO0 84 #define DMX_PES_TELETEXT DMX_PES_TELETEXT0 85 #define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0 86 #define DMX_PES_PCR DMX_PES_PCR0 87 88 89 struct dmx_filter 90 { 91 __u8 filter[DMX_FILTER_SIZE]; 92 __u8 mask[DMX_FILTER_SIZE]; 93 __u8 mode[DMX_FILTER_SIZE]; 94 }; 95 96 97 struct dmx_sct_filter_params 98 { 99 __u16 pid; 100 struct dmx_filter filter; 101 __u32 timeout; 102 __u32 flags; 103 #define DMX_CHECK_CRC 1 104 #define DMX_ONESHOT 2 105 #define DMX_IMMEDIATE_START 4 106 }; 107 108 109 struct dmx_pes_filter_params 110 { 111 __u16 pid; 112 enum dmx_input input; 113 enum dmx_output output; 114 enum dmx_ts_pes pes_type; 115 __u32 flags; 116 }; 117 118 enum dmx_source { 119 DMX_SOURCE_FRONT0 = 0, 120 DMX_SOURCE_FRONT1, 121 DMX_SOURCE_FRONT2, 122 DMX_SOURCE_FRONT3, 123 DMX_SOURCE_DVR0 = 16, 124 DMX_SOURCE_DVR1, 125 DMX_SOURCE_DVR2, 126 DMX_SOURCE_DVR3 127 }; 128 129 struct dmx_stc { 130 unsigned int num; /* input : which STC? 0..N */ 131 unsigned int base; /* output: divisor for stc to get 90 kHz clock */ 132 __u64 stc; /* output: stc in 'base'*90 kHz units */ 133 }; 134 135 #define DMX_START _IO('o', 41) 136 #define DMX_STOP _IO('o', 42) 137 #define DMX_SET_FILTER _IOW('o', 43, struct dmx_sct_filter_params) 138 #define DMX_SET_PES_FILTER _IOW('o', 44, struct dmx_pes_filter_params) 139 #define DMX_SET_BUFFER_SIZE _IO('o', 45) 140 #define DMX_GET_PES_PIDS _IOR('o', 47, __u16[5]) 141 #define DMX_SET_SOURCE _IOW('o', 49, enum dmx_source) 142 #define DMX_GET_STC _IOWR('o', 50, struct dmx_stc) 143 #define DMX_ADD_PID _IOW('o', 51, __u16) 144 #define DMX_REMOVE_PID _IOW('o', 52, __u16) 145 146 #if !defined (__KERNEL__) 147 148 /* This is needed for legacy userspace support */ 149 typedef enum dmx_output dmx_output_t; 150 typedef enum dmx_input dmx_input_t; 151 typedef enum dmx_ts_pes dmx_pes_type_t; 152 typedef struct dmx_filter dmx_filter_t; 153 typedef enum dmx_source dmx_source_t; 154 155 #endif 156 157 #endif /* _UAPI_DVBDMX_H_ */ 158