1 /* 2 * dmx.h 3 * 4 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de> 5 * & Ralph Metzler <ralph@convergence.de> 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 _DVBDMX_H_ 25 #define _DVBDMX_H_ 26 27 #ifndef LINUX_TYPES_ADDED 28 #define LINUX_TYPES_ADDED 29 #include <sys/types.h> 30 typedef uint64_t __u64; 31 typedef uint32_t __u32; 32 typedef uint16_t __u16; 33 typedef uint8_t __u8; 34 #endif 35 36 #include <time.h> 37 38 #define DMX_FILTER_SIZE 16 39 40 typedef enum 41 { 42 DMX_OUT_DECODER, /* Streaming directly to decoder. */ 43 DMX_OUT_TAP, /* Output going to a memory buffer */ 44 /* (to be retrieved via the read command).*/ 45 DMX_OUT_TS_TAP /* Output multiplexed into a new TS */ 46 /* (to be retrieved by reading from the */ 47 /* logical DVR device). */ 48 } dmx_output_t; 49 50 51 typedef enum 52 { 53 DMX_IN_FRONTEND, /* Input from a front-end device. */ 54 DMX_IN_DVR /* Input from the logical DVR device. */ 55 } dmx_input_t; 56 57 58 typedef enum 59 { 60 DMX_PES_AUDIO0, 61 DMX_PES_VIDEO0, 62 DMX_PES_TELETEXT0, 63 DMX_PES_SUBTITLE0, 64 DMX_PES_PCR0, 65 66 DMX_PES_AUDIO1, 67 DMX_PES_VIDEO1, 68 DMX_PES_TELETEXT1, 69 DMX_PES_SUBTITLE1, 70 DMX_PES_PCR1, 71 72 DMX_PES_AUDIO2, 73 DMX_PES_VIDEO2, 74 DMX_PES_TELETEXT2, 75 DMX_PES_SUBTITLE2, 76 DMX_PES_PCR2, 77 78 DMX_PES_AUDIO3, 79 DMX_PES_VIDEO3, 80 DMX_PES_TELETEXT3, 81 DMX_PES_SUBTITLE3, 82 DMX_PES_PCR3, 83 84 DMX_PES_OTHER 85 } dmx_pes_type_t; 86 87 #define DMX_PES_AUDIO DMX_PES_AUDIO0 88 #define DMX_PES_VIDEO DMX_PES_VIDEO0 89 #define DMX_PES_TELETEXT DMX_PES_TELETEXT0 90 #define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0 91 #define DMX_PES_PCR DMX_PES_PCR0 92 93 94 typedef enum 95 { 96 DMX_SCRAMBLING_EV, 97 DMX_FRONTEND_EV 98 } dmx_event_t; 99 100 101 typedef enum 102 { 103 DMX_SCRAMBLING_OFF, 104 DMX_SCRAMBLING_ON 105 } dmx_scrambling_status_t; 106 107 108 typedef struct dmx_filter 109 { 110 __u8 filter[DMX_FILTER_SIZE]; 111 __u8 mask[DMX_FILTER_SIZE]; 112 __u8 mode[DMX_FILTER_SIZE]; 113 } dmx_filter_t; 114 115 116 struct dmx_sct_filter_params 117 { 118 __u16 pid; 119 dmx_filter_t filter; 120 __u32 timeout; 121 __u32 flags; 122 #define DMX_CHECK_CRC 1 123 #define DMX_ONESHOT 2 124 #define DMX_IMMEDIATE_START 4 125 #define DMX_KERNEL_CLIENT 0x8000 126 }; 127 128 129 struct dmx_pes_filter_params 130 { 131 __u16 pid; 132 dmx_input_t input; 133 dmx_output_t output; 134 dmx_pes_type_t pes_type; 135 __u32 flags; 136 }; 137 138 139 struct dmx_event 140 { 141 dmx_event_t event; 142 time_t timeStamp; 143 union 144 { 145 dmx_scrambling_status_t scrambling; 146 } u; 147 }; 148 149 typedef struct dmx_caps { 150 __u32 caps; 151 int num_decoders; 152 } dmx_caps_t; 153 154 typedef enum { 155 DMX_SOURCE_FRONT0 = 0, 156 DMX_SOURCE_FRONT1, 157 DMX_SOURCE_FRONT2, 158 DMX_SOURCE_FRONT3, 159 DMX_SOURCE_DVR0 = 16, 160 DMX_SOURCE_DVR1, 161 DMX_SOURCE_DVR2, 162 DMX_SOURCE_DVR3 163 } dmx_source_t; 164 165 struct dmx_stc { 166 unsigned int num; /* input : which STC? 0..N */ 167 unsigned int base; /* output: divisor for stc to get 90 kHz clock */ 168 __u64 stc; /* output: stc in 'base'*90 kHz units */ 169 }; 170 171 172 #define DMX_START _IO('o',41) 173 #define DMX_STOP _IO('o',42) 174 #define DMX_SET_FILTER _IOW('o',43,struct dmx_sct_filter_params) 175 #define DMX_SET_PES_FILTER _IOW('o',44,struct dmx_pes_filter_params) 176 #define DMX_SET_BUFFER_SIZE _IO('o',45) 177 #define DMX_GET_EVENT _IOR('o',46,struct dmx_event) 178 #define DMX_GET_PES_PIDS _IOR('o', 47, __u16[5]) 179 #define DMX_GET_CAPS _IOR('o',48,dmx_caps_t) 180 #define DMX_SET_SOURCE _IOW('o',49,dmx_source_t) 181 #define DMX_GET_STC _IOWR('o',50,struct dmx_stc) 182 183 #endif /*_DVBDMX_H_*/ 184 185