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 <linux/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 37typedef 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_OUT_TSDEMUX_TAP /* Like TS_TAP but retrieved from the DMX device */ 46} dmx_output_t; 47 48 49typedef enum 50{ 51 DMX_IN_FRONTEND, /* Input from a front-end device. */ 52 DMX_IN_DVR /* Input from the logical DVR device. */ 53} dmx_input_t; 54 55 56typedef enum 57{ 58 DMX_PES_AUDIO0, 59 DMX_PES_VIDEO0, 60 DMX_PES_TELETEXT0, 61 DMX_PES_SUBTITLE0, 62 DMX_PES_PCR0, 63 64 DMX_PES_AUDIO1, 65 DMX_PES_VIDEO1, 66 DMX_PES_TELETEXT1, 67 DMX_PES_SUBTITLE1, 68 DMX_PES_PCR1, 69 70 DMX_PES_AUDIO2, 71 DMX_PES_VIDEO2, 72 DMX_PES_TELETEXT2, 73 DMX_PES_SUBTITLE2, 74 DMX_PES_PCR2, 75 76 DMX_PES_AUDIO3, 77 DMX_PES_VIDEO3, 78 DMX_PES_TELETEXT3, 79 DMX_PES_SUBTITLE3, 80 DMX_PES_PCR3, 81 82 DMX_PES_OTHER 83} dmx_pes_type_t; 84 85#define DMX_PES_AUDIO DMX_PES_AUDIO0 86#define DMX_PES_VIDEO DMX_PES_VIDEO0 87#define DMX_PES_TELETEXT DMX_PES_TELETEXT0 88#define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0 89#define DMX_PES_PCR DMX_PES_PCR0 90 91 92typedef struct dmx_filter 93{ 94 __u8 filter[DMX_FILTER_SIZE]; 95 __u8 mask[DMX_FILTER_SIZE]; 96 __u8 mode[DMX_FILTER_SIZE]; 97} dmx_filter_t; 98 99 100struct dmx_sct_filter_params 101{ 102 __u16 pid; 103 dmx_filter_t filter; 104 __u32 timeout; 105 __u32 flags; 106#define DMX_CHECK_CRC 1 107#define DMX_ONESHOT 2 108#define DMX_IMMEDIATE_START 4 109#define DMX_KERNEL_CLIENT 0x8000 110}; 111 112 113struct dmx_pes_filter_params 114{ 115 __u16 pid; 116 dmx_input_t input; 117 dmx_output_t output; 118 dmx_pes_type_t pes_type; 119 __u32 flags; 120}; 121 122typedef struct dmx_caps { 123 __u32 caps; 124 int num_decoders; 125} dmx_caps_t; 126 127typedef enum { 128 DMX_SOURCE_FRONT0 = 0, 129 DMX_SOURCE_FRONT1, 130 DMX_SOURCE_FRONT2, 131 DMX_SOURCE_FRONT3, 132 DMX_SOURCE_DVR0 = 16, 133 DMX_SOURCE_DVR1, 134 DMX_SOURCE_DVR2, 135 DMX_SOURCE_DVR3 136} dmx_source_t; 137 138struct dmx_stc { 139 unsigned int num; /* input : which STC? 0..N */ 140 unsigned int base; /* output: divisor for stc to get 90 kHz clock */ 141 __u64 stc; /* output: stc in 'base'*90 kHz units */ 142}; 143 144 145#define DMX_START _IO('o', 41) 146#define DMX_STOP _IO('o', 42) 147#define DMX_SET_FILTER _IOW('o', 43, struct dmx_sct_filter_params) 148#define DMX_SET_PES_FILTER _IOW('o', 44, struct dmx_pes_filter_params) 149#define DMX_SET_BUFFER_SIZE _IO('o', 45) 150#define DMX_GET_PES_PIDS _IOR('o', 47, __u16[5]) 151#define DMX_GET_CAPS _IOR('o', 48, dmx_caps_t) 152#define DMX_SET_SOURCE _IOW('o', 49, dmx_source_t) 153#define DMX_GET_STC _IOWR('o', 50, struct dmx_stc) 154#define DMX_ADD_PID _IOW('o', 51, __u16) 155#define DMX_REMOVE_PID _IOW('o', 52, __u16) 156 157#endif /*_DVBDMX_H_*/ 158