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dtvio_demux.h revision 1.1 
      1 /* $NetBSD: dtvio_demux.h,v 1.1 2011/07/09 14:46:56 jmcneill Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2011 Jared D. McNeill <jmcneill (at) invisible.ca>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *        This product includes software developed by Jared D. McNeill.
     18  * 4. Neither the name of The NetBSD Foundation nor the names of its
     19  *    contributors may be used to endorse or promote products derived
     20  *    from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     23  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     25  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     32  * POSSIBILITY OF SUCH DAMAGE.
     33  */
     34 
     35 #ifndef _DEV_DTV_DTVIO_DEMUX_H
     36 #define _DEV_DTV_DTVIO_DEMUX_H
     37 
     38 #include <sys/ioccom.h>
     39 
     40 /*
     41  * DVB Demux API
     42  */
     43 
     44 typedef enum {
     45 	DMX_OUT_DECODER,
     46 	DMX_OUT_TAP,
     47 	DMX_OUT_TS_TAP,
     48 	DMX_OUT_TSDEMUX_TAP,
     49 } dmx_output_t;
     50 
     51 typedef enum {
     52 	DMX_IN_FRONTEND,
     53 	DMX_IN_DVR,
     54 } dmx_input_t;
     55 
     56 typedef enum {
     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_FILTER_SIZE	16
     85 
     86 typedef struct dmx_filter {
     87 	uint8_t		filter[DMX_FILTER_SIZE];
     88 	uint8_t		mask[DMX_FILTER_SIZE];
     89 	uint8_t		mode[DMX_FILTER_SIZE];
     90 } dmx_filter_t;
     91 
     92 struct dmx_sct_filter_params {
     93 	uint16_t	pid;
     94 	dmx_filter_t	filter;
     95 	uint32_t	timeout;
     96 	uint32_t	flags;
     97 #define	DMX_CHECK_CRC		0x0001
     98 #define	DMX_ONESHOT		0x0002
     99 #define	DMX_IMMEDIATE_START	0x0004
    100 #define	DMX_KERNEL_CLIENT	0x8000
    101 };
    102 
    103 struct dmx_pes_filter_params {
    104 	uint16_t	pid;
    105 	dmx_input_t	input;
    106 	dmx_output_t	output;
    107 	dmx_pes_type_t	pes_type;
    108 	uint32_t	flags;
    109 };
    110 
    111 struct dmx_stc {
    112 	unsigned int	num;
    113 	unsigned int	base;
    114 	uint64_t	stc;
    115 };
    116 
    117 typedef struct dmx_caps {
    118 	uint32_t	caps;
    119 	int		num_decoders;
    120 } dmx_caps_t;
    121 
    122 typedef enum {
    123 	DMX_SOURCE_FRONT0 = 0,
    124 	DMX_SOURCE_FRONT1,
    125 	DMX_SOURCE_FRONT2,
    126 	DMX_SOURCE_FRONT3,
    127 	DMX_SOURCE_DVR0 = 16,
    128 	DMX_SOURCE_DVR1,
    129 	DMX_SOURCE_DVR2,
    130 	DMX_SOURCE_DVR3,
    131 } dmx_source_t;
    132 
    133 #define	DMX_START		   _IO('D', 100)
    134 #define	DMX_STOP		   _IO('D', 101)
    135 #define	DMX_SET_FILTER		   _IOW('D', 102, struct dmx_sct_filter_params)
    136 #define	DMX_SET_PES_FILTER	   _IOW('D', 103, struct dmx_pes_filter_params)
    137 #define	DMX_SET_BUFFER_SIZE	   _IO('D', 104)
    138 #define	DMX_GET_STC		   _IOWR('D', 105, struct dmx_stc)
    139 #define	DMX_ADD_PID		   _IOW('D', 106, uint16_t)
    140 #define	DMX_REMOVE_PID		   _IOW('D', 107, uint16_t)
    141 #define	DMX_GET_CAPS		   _IOR('D', 108, dmx_caps_t)
    142 #define	DMX_SET_SOURCE		   _IOW('D', 109, dmx_source_t)
    143 
    144 #endif /* !_DEV_DTV_DTVIO_DEMUX_H */
    145