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