LXR linux/include/uapi/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 _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
  35enum dmx_output
  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};
  45
  46typedef enum dmx_output dmx_output_t;
  47
  48typedef enum dmx_input
  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
  55typedef enum dmx_ts_pes
  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
  91typedef 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
  99struct 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
 112struct 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
 121typedef struct dmx_caps {
 122        __u32 caps;
 123        int num_decoders;
 124} dmx_caps_t;
 125
 126typedef enum dmx_source {
 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
 137struct 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#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