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 _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 typedef enum 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 } dmx_output_t; 45 46 47 typedef enum 48 { 49 DMX_IN_FRONTEND, /* Input from a front-end device. */ 50 DMX_IN_DVR /* Input from the logical DVR device. */ 51 } dmx_input_t; 52 53 54 typedef enum dmx_ts_pes 55 { 56 DMX_PES_AUDIO0, 57 DMX_PES_VIDEO0, 58 DMX_PES_TELETEXT0, 59 DMX_PES_SUBTITLE0, 60 DMX_PES_PCR0, 61 62 DMX_PES_AUDIO1, 63 DMX_PES_VIDEO1, 64 DMX_PES_TELETEXT1, 65 DMX_PES_SUBTITLE1, 66 DMX_PES_PCR1, 67 68 DMX_PES_AUDIO2, 69 DMX_PES_VIDEO2, 70 DMX_PES_TELETEXT2, 71 DMX_PES_SUBTITLE2, 72 DMX_PES_PCR2, 73 74 DMX_PES_AUDIO3, 75 DMX_PES_VIDEO3, 76 DMX_PES_TELETEXT3, 77 DMX_PES_SUBTITLE3, 78 DMX_PES_PCR3, 79 80 DMX_PES_OTHER 81 } dmx_pes_type_t; 82 83 #define DMX_PES_AUDIO DMX_PES_AUDIO0 84 #define DMX_PES_VIDEO DMX_PES_VIDEO0 85 #define DMX_PES_TELETEXT DMX_PES_TELETEXT0 86 #define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0 87 #define DMX_PES_PCR DMX_PES_PCR0 88 89 90 typedef struct dmx_filter 91 { 92 __u8 filter[DMX_FILTER_SIZE]; 93 __u8 mask[DMX_FILTER_SIZE]; 94 __u8 mode[DMX_FILTER_SIZE]; 95 } dmx_filter_t; 96 97 98 struct dmx_sct_filter_params 99 { 100 __u16 pid; 101 dmx_filter_t filter; 102 __u32 timeout; 103 __u32 flags; 104 #define DMX_CHECK_CRC 1 105 #define DMX_ONESHOT 2 106 #define DMX_IMMEDIATE_START 4 107 #define DMX_KERNEL_CLIENT 0x8000 108 }; 109 110 111 struct dmx_pes_filter_params 112 { 113 __u16 pid; 114 dmx_input_t input; 115 dmx_output_t output; 116 dmx_pes_type_t pes_type; 117 __u32 flags; 118 }; 119 120 typedef struct dmx_caps { 121 __u32 caps; 122 int num_decoders; 123 } dmx_caps_t; 124 125 typedef enum { 126 DMX_SOURCE_FRONT0 = 0, 127 DMX_SOURCE_FRONT1, 128 DMX_SOURCE_FRONT2, 129 DMX_SOURCE_FRONT3, 130 DMX_SOURCE_DVR0 = 16, 131 DMX_SOURCE_DVR1, 132 DMX_SOURCE_DVR2, 133 DMX_SOURCE_DVR3 134 } dmx_source_t; 135 136 struct dmx_stc { 137 unsigned int num; /* input : which STC? 0..N */ 138 unsigned int base; /* output: divisor for stc to get 90 kHz clock */ 139 __u64 stc; /* output: stc in 'base'*90 kHz units */ 140 }; 141 142 143 #define DMX_START _IO('o', 41) 144 #define DMX_STOP _IO('o', 42) 145 #define DMX_SET_FILTER _IOW('o', 43, struct dmx_sct_filter_params) 146 #define DMX_SET_PES_FILTER _IOW('o', 44, struct dmx_pes_filter_params) 147 #define DMX_SET_BUFFER_SIZE _IO('o', 45) 148 #define DMX_GET_PES_PIDS _IOR('o', 47, __u16[5]) 149 #define DMX_GET_CAPS _IOR('o', 48, dmx_caps_t) 150 #define DMX_SET_SOURCE _IOW('o', 49, dmx_source_t) 151 #define DMX_GET_STC _IOWR('o', 50, struct dmx_stc) 152 #define DMX_ADD_PID _IOW('o', 51, __u16) 153 #define DMX_REMOVE_PID _IOW('o', 52, __u16) 154 155 #endif /* _UAPI_DVBDMX_H_ */ 156