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 <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 enum
  92 {
  93         DMX_SCRAMBLING_EV,
  94         DMX_FRONTEND_EV
  95 } dmx_event_t;
  96
  97
  98 typedef enum
  99 {
 100         DMX_SCRAMBLING_OFF,
 101         DMX_SCRAMBLING_ON
 102 } dmx_scrambling_status_t;
 103
 104
 105 typedef struct dmx_filter
 106 {
 107         __u8  filter[DMX_FILTER_SIZE];
 108         __u8  mask[DMX_FILTER_SIZE];
 109         __u8  mode[DMX_FILTER_SIZE];
 110 } dmx_filter_t;
 111
 112
 113 struct dmx_sct_filter_params
 114 {
 115         __u16          pid;
 116         dmx_filter_t   filter;
 117         __u32          timeout;
 118         __u32          flags;
 119 #define DMX_CHECK_CRC       1
 120 #define DMX_ONESHOT         2
 121 #define DMX_IMMEDIATE_START 4
 122 #define DMX_KERNEL_CLIENT   0x8000
 123 };
 124
 125
 126 struct dmx_pes_filter_params
 127 {
 128         __u16          pid;
 129         dmx_input_t    input;
 130         dmx_output_t   output;
 131         dmx_pes_type_t pes_type;
 132         __u32          flags;
 133 };
 134
 135
 136 struct dmx_event
 137 {
 138         dmx_event_t         event;
 139         time_t              timeStamp;
 140         union
 141         {
 142                 dmx_scrambling_status_t scrambling;
 143         } u;
 144 };
 145
 146 typedef struct dmx_caps {
 147         __u32 caps;
 148         int num_decoders;
 149 } dmx_caps_t;
 150
 151 typedef enum {
 152         DMX_SOURCE_FRONT0 = 0,
 153         DMX_SOURCE_FRONT1,
 154         DMX_SOURCE_FRONT2,
 155         DMX_SOURCE_FRONT3,
 156         DMX_SOURCE_DVR0   = 16,
 157         DMX_SOURCE_DVR1,
 158         DMX_SOURCE_DVR2,
 159         DMX_SOURCE_DVR3
 160 } dmx_source_t;
 161
 162 struct dmx_stc {
 163         unsigned int num;       /* input : which STC? 0..N */
 164         unsigned int base;      /* output: divisor for stc to get 90 kHz clock */
 165         __u64 stc;              /* output: stc in 'base'*90 kHz units */
 166 };
 167
 168
 169 #define DMX_START                _IO('o', 41)
 170 #define DMX_STOP                 _IO('o', 42)
 171 #define DMX_SET_FILTER           _IOW('o', 43, struct dmx_sct_filter_params)
 172 #define DMX_SET_PES_FILTER       _IOW('o', 44, struct dmx_pes_filter_params)
 173 #define DMX_SET_BUFFER_SIZE      _IO('o', 45)
 174 #define DMX_GET_EVENT            _IOR('o', 46, struct dmx_event)
 175 #define DMX_GET_PES_PIDS         _IOR('o', 47, __u16[5])
 176 #define DMX_GET_CAPS             _IOR('o', 48, dmx_caps_t)
 177 #define DMX_SET_SOURCE           _IOW('o', 49, dmx_source_t)
 178 #define DMX_GET_STC              _IOWR('o', 50, struct dmx_stc)
 179
 180 #endif /*_DVBDMX_H_*/