File indexing completed on 2024-05-05 04:52:05

 /*
  * dmx.h
  *
  * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
  *                  & Ralph  Metzler <ralph@convergence.de>
  *                    for convergence integrated media GmbH
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public License
  * as published by the Free Software Foundation; either version 2.1
  * of the License, or (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  *
  */
 
 #ifndef _DVBDMX_H_
 #define _DVBDMX_H_
 
 #include "linuxtypes.h"
 #include <time.h>
 
 
 #define DMX_FILTER_SIZE 16
 
 enum dmx_output
 {
     DMX_OUT_DECODER, /* Streaming directly to decoder. */
     DMX_OUT_TAP,     /* Output going to a memory buffer */
              /* (to be retrieved via the read command).*/
     DMX_OUT_TS_TAP,  /* Output multiplexed into a new TS  */
              /* (to be retrieved by reading from the */
              /* logical DVR device).                 */
     DMX_OUT_TSDEMUX_TAP /* Like TS_TAP but retrieved from the DMX device */
 };
 
 typedef enum dmx_output dmx_output_t;
 
 typedef enum dmx_input
 {
     DMX_IN_FRONTEND, /* Input from a front-end device.  */
     DMX_IN_DVR       /* Input from the logical DVR device.  */
 } dmx_input_t;
 
 
 typedef enum dmx_ts_pes
 {
     DMX_PES_AUDIO0,
     DMX_PES_VIDEO0,
     DMX_PES_TELETEXT0,
     DMX_PES_SUBTITLE0,
     DMX_PES_PCR0,
 
     DMX_PES_AUDIO1,
     DMX_PES_VIDEO1,
     DMX_PES_TELETEXT1,
     DMX_PES_SUBTITLE1,
     DMX_PES_PCR1,
 
     DMX_PES_AUDIO2,
     DMX_PES_VIDEO2,
     DMX_PES_TELETEXT2,
     DMX_PES_SUBTITLE2,
     DMX_PES_PCR2,
 
     DMX_PES_AUDIO3,
     DMX_PES_VIDEO3,
     DMX_PES_TELETEXT3,
     DMX_PES_SUBTITLE3,
     DMX_PES_PCR3,
 
     DMX_PES_OTHER
 } dmx_pes_type_t;
 
 #define DMX_PES_AUDIO    DMX_PES_AUDIO0
 #define DMX_PES_VIDEO    DMX_PES_VIDEO0
 #define DMX_PES_TELETEXT DMX_PES_TELETEXT0
 #define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0
 #define DMX_PES_PCR      DMX_PES_PCR0
 
 
 typedef struct dmx_filter
 {
     __u8  filter[DMX_FILTER_SIZE];
     __u8  mask[DMX_FILTER_SIZE];
     __u8  mode[DMX_FILTER_SIZE];
 } dmx_filter_t;
 
 
 struct dmx_sct_filter_params
 {
     __u16          pid;
     dmx_filter_t   filter;
     __u32          timeout;
     __u32          flags;
 #define DMX_CHECK_CRC       1
 #define DMX_ONESHOT         2
 #define DMX_IMMEDIATE_START 4
 #define DMX_KERNEL_CLIENT   0x8000
 };
 
 
 struct dmx_pes_filter_params
 {
     __u16          pid;
     dmx_input_t    input;
     dmx_output_t   output;
     dmx_pes_type_t pes_type;
     __u32          flags;
 };
 
 typedef struct dmx_caps {
     __u32 caps;
     int num_decoders;
 } dmx_caps_t;
 
 typedef enum dmx_source {
     DMX_SOURCE_FRONT0 = 0,
     DMX_SOURCE_FRONT1,
     DMX_SOURCE_FRONT2,
     DMX_SOURCE_FRONT3,
     DMX_SOURCE_DVR0   = 16,
     DMX_SOURCE_DVR1,
     DMX_SOURCE_DVR2,
     DMX_SOURCE_DVR3
 } dmx_source_t;
 
 struct dmx_stc {
     unsigned int num;   /* input : which STC? 0..N */
     unsigned int base;  /* output: divisor for stc to get 90 kHz clock */
     __u64 stc;      /* output: stc in 'base'*90 kHz units */
 };
 
 #define DMX_START                _IO('o', 41)
 #define DMX_STOP                 _IO('o', 42)
 #define DMX_SET_FILTER           _IOW('o', 43, struct dmx_sct_filter_params)
 #define DMX_SET_PES_FILTER       _IOW('o', 44, struct dmx_pes_filter_params)
 #define DMX_SET_BUFFER_SIZE      _IO('o', 45)
 #define DMX_GET_PES_PIDS         _IOR('o', 47, __u16[5])
 #define DMX_GET_CAPS             _IOR('o', 48, dmx_caps_t)
 #define DMX_SET_SOURCE           _IOW('o', 49, dmx_source_t)
 #define DMX_GET_STC              _IOWR('o', 50, struct dmx_stc)
 #define DMX_ADD_PID              _IOW('o', 51, __u16)
 #define DMX_REMOVE_PID           _IOW('o', 52, __u16)
 
 #endif /* _DVBDMX_H_ */