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 #include <asm/types.h> 28 #include <time.h> 29 30 31 #define DMX_FILTER_SIZE 16 32 33 typedef enum 34 { 35 DMX_OUT_DECODER, /* Streaming directly to decoder. */ 36 DMX_OUT_TAP, /* Output going to a memory buffer */ 37 /* (to be retrieved via the read command).*/ 38 DMX_OUT_TS_TAP, /* Output multiplexed into a new TS */ 39 /* (to be retrieved by reading from the */ 40 /* logical DVR device). */ 41 DMX_OUT_TSDEMUX_TAP /* Like TS_TAP but retrieved from the DMX device */ 42 } dmx_output_t; 43 44 45 typedef enum 46 { 47 DMX_IN_FRONTEND, /* Input from a front-end device. */ 48 DMX_IN_DVR /* Input from the logical DVR device. */ 49 } dmx_input_t; 50 51 52 typedef enum 53 { 54 DMX_PES_AUDIO0, 55 DMX_PES_VIDEO0, 56 DMX_PES_TELETEXT0, 57 DMX_PES_SUBTITLE0, 58 DMX_PES_PCR0, 59 60 DMX_PES_AUDIO1, 61 DMX_PES_VIDEO1, 62 DMX_PES_TELETEXT1, 63 DMX_PES_SUBTITLE1, 64 DMX_PES_PCR1, 65 66 DMX_PES_AUDIO2, 67 DMX_PES_VIDEO2, 68 DMX_PES_TELETEXT2, 69 DMX_PES_SUBTITLE2, 70 DMX_PES_PCR2, 71 72 DMX_PES_AUDIO3, 73 DMX_PES_VIDEO3, 74 DMX_PES_TELETEXT3, 75 DMX_PES_SUBTITLE3, 76 DMX_PES_PCR3, 77 78 DMX_PES_OTHER 79 } dmx_pes_type_t; 80 81 #define DMX_PES_AUDIO DMX_PES_AUDIO0 82 #define DMX_PES_VIDEO DMX_PES_VIDEO0 83 #define DMX_PES_TELETEXT DMX_PES_TELETEXT0 84 #define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0 85 #define DMX_PES_PCR DMX_PES_PCR0 86 87 88 typedef struct dmx_filter 89 { 90 __u8 filter[DMX_FILTER_SIZE]; 91 __u8 mask[DMX_FILTER_SIZE]; 92 __u8 mode[DMX_FILTER_SIZE]; 93 } dmx_filter_t; 94 95 96 struct dmx_sct_filter_params 97 { 98 __u16 pid; 99 dmx_filter_t filter; 100 __u32 timeout; 101 __u32 flags; 102 #define DMX_CHECK_CRC 1 103 #define DMX_ONESHOT 2 104 #define DMX_IMMEDIATE_START 4 105 #define DMX_KERNEL_CLIENT 0x8000 106 }; 107 108 109 struct dmx_pes_filter_params 110 { 111 __u16 pid; 112 dmx_input_t input; 113 dmx_output_t output; 114 dmx_pes_type_t pes_type; 115 __u32 flags; 116 }; 117 118 typedef struct dmx_caps { 119 __u32 caps; 120 int num_decoders; 121 } dmx_caps_t; 122 123 typedef enum { 124 DMX_SOURCE_FRONT0 = 0, 125 DMX_SOURCE_FRONT1, 126 DMX_SOURCE_FRONT2, 127 DMX_SOURCE_FRONT3, 128 DMX_SOURCE_DVR0 = 16, 129 DMX_SOURCE_DVR1, 130 DMX_SOURCE_DVR2, 131 DMX_SOURCE_DVR3 132 } dmx_source_t; 133 134 struct dmx_stc { 135 unsigned int num; /* input : which STC? 0..N */ 136 unsigned int base; /* output: divisor for stc to get 90 kHz clock */ 137 __u64 stc; /* output: stc in 'base'*90 kHz units */ 138 }; 139 140 141 #define DMX_START _IO('o', 41) 142 #define DMX_STOP _IO('o', 42) 143 #define DMX_SET_FILTER _IOW('o', 43, struct dmx_sct_filter_params) 144 #define DMX_SET_PES_FILTER _IOW('o', 44, struct dmx_pes_filter_params) 145 #define DMX_SET_BUFFER_SIZE _IO('o', 45) 146 #define DMX_GET_PES_PIDS _IOR('o', 47, __u16[5]) 147 #define DMX_GET_CAPS _IOR('o', 48, dmx_caps_t) 148 #define DMX_SET_SOURCE _IOW('o', 49, dmx_source_t) 149 #define DMX_GET_STC _IOWR('o', 50, struct dmx_stc) 150 151 #endif /*_DVBDMX_H_*/ 152