LXR linux/include/linux/dvb/dmx.h

   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