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 #ifdef __KERNEL__ 29 #include <linux/time.h> 30 #else 31 #include <time.h> 32 #endif 33 34 35 #define DMX_FILTER_SIZE 16 36 37 typedef enum 38 { 39 DMX_OUT_DECODER, /* Streaming directly to decoder. */ 40 DMX_OUT_TAP, /* Output going to a memory buffer */ 41 /* (to be retrieved via the read command).*/ 42 DMX_OUT_TS_TAP /* Output multiplexed into a new TS */ 43 /* (to be retrieved by reading from the */ 44 /* logical DVR device). */ 45 } dmx_output_t; 46 47 48 typedef enum 49 { 50 DMX_IN_FRONTEND, /* Input from a front-end device. */ 51 DMX_IN_DVR /* Input from the logical DVR device. */ 52 } dmx_input_t; 53 54 55 typedef enum 56 { 57 DMX_PES_AUDIO0, 58 DMX_PES_VIDEO0, 59 DMX_PES_TELETEXT0, 60 DMX_PES_SUBTITLE0, 61 DMX_PES_PCR0, 62 63 DMX_PES_AUDIO1, 64 DMX_PES_VIDEO1, 65 DMX_PES_TELETEXT1, 66 DMX_PES_SUBTITLE1, 67 DMX_PES_PCR1, 68 69 DMX_PES_AUDIO2, 70 DMX_PES_VIDEO2, 71 DMX_PES_TELETEXT2, 72 DMX_PES_SUBTITLE2, 73 DMX_PES_PCR2, 74 75 DMX_PES_AUDIO3, 76 DMX_PES_VIDEO3, 77 DMX_PES_TELETEXT3, 78 DMX_PES_SUBTITLE3, 79 DMX_PES_PCR3, 80 81 DMX_PES_OTHER 82 } dmx_pes_type_t; 83 84 #define DMX_PES_AUDIO DMX_PES_AUDIO0 85 #define DMX_PES_VIDEO DMX_PES_VIDEO0 86 #define DMX_PES_TELETEXT DMX_PES_TELETEXT0 87 #define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0 88 #define DMX_PES_PCR DMX_PES_PCR0 89 90 91 typedef struct dmx_filter 92 { 93 __u8 filter[DMX_FILTER_SIZE]; 94 __u8 mask[DMX_FILTER_SIZE]; 95 __u8 mode[DMX_FILTER_SIZE]; 96 } dmx_filter_t; 97 98 99 struct dmx_sct_filter_params 100 { 101 __u16 pid; 102 dmx_filter_t filter; 103 __u32 timeout; 104 __u32 flags; 105 #define DMX_CHECK_CRC 1 106 #define DMX_ONESHOT 2 107 #define DMX_IMMEDIATE_START 4 108 #define DMX_KERNEL_CLIENT 0x8000 109 }; 110 111 112 struct dmx_pes_filter_params 113 { 114 __u16 pid; 115 dmx_input_t input; 116 dmx_output_t output; 117 dmx_pes_type_t pes_type; 118 __u32 flags; 119 }; 120 121 typedef struct dmx_caps { 122 __u32 caps; 123 int num_decoders; 124 } dmx_caps_t; 125 126 typedef enum { 127 DMX_SOURCE_FRONT0 = 0, 128 DMX_SOURCE_FRONT1, 129 DMX_SOURCE_FRONT2, 130 DMX_SOURCE_FRONT3, 131 DMX_SOURCE_DVR0 = 16, 132 DMX_SOURCE_DVR1, 133 DMX_SOURCE_DVR2, 134 DMX_SOURCE_DVR3 135 } dmx_source_t; 136 137 struct dmx_stc { 138 unsigned int num; /* input : which STC? 0..N */ 139 unsigned int base; /* output: divisor for stc to get 90 kHz clock */ 140 __u64 stc; /* output: stc in 'base'*90 kHz units */ 141 }; 142 143 144 #define DMX_START _IO('o', 41) 145 #define DMX_STOP _IO('o', 42) 146 #define DMX_SET_FILTER _IOW('o', 43, struct dmx_sct_filter_params) 147 #define DMX_SET_PES_FILTER _IOW('o', 44, struct dmx_pes_filter_params) 148 #define DMX_SET_BUFFER_SIZE _IO('o', 45) 149 #define DMX_GET_PES_PIDS _IOR('o', 47, __u16[5]) 150 #define DMX_GET_CAPS _IOR('o', 48, dmx_caps_t) 151 #define DMX_SET_SOURCE _IOW('o', 49, dmx_source_t) 152 #define DMX_GET_STC _IOWR('o', 50, struct dmx_stc) 153 154 #endif /*_DVBDMX_H_*/ 155