Home | History | Annotate | Line # | Download | only in dtv 
      1 /* $NetBSD: dtvio_demux.h,v 1.3 2017/10/28 06:27:32 riastradh 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/types.h>
     39 #include <sys/ioccom.h>
     40 
     41 /*
     42  * DVB Demux API
     43  */
     44 
     45 typedef enum {
     46 	DMX_OUT_DECODER,
     47 	DMX_OUT_TAP,
     48 	DMX_OUT_TS_TAP,
     49 	DMX_OUT_TSDEMUX_TAP,
     50 } dmx_output_t;
     51 
     52 typedef enum {
     53 	DMX_IN_FRONTEND,
     54 	DMX_IN_DVR,
     55 } dmx_input_t;
     56 
     57 typedef enum {
     58 	DMX_PES_AUDIO0,
     59 	DMX_PES_VIDEO0,
     60 	DMX_PES_TELETEXT0,
     61 	DMX_PES_SUBTITLE0,
     62 	DMX_PES_PCR0,
     63 
     64 	DMX_PES_AUDIO1,
     65 	DMX_PES_VIDEO1,
     66 	DMX_PES_TELETEXT1,
     67 	DMX_PES_SUBTITLE1,
     68 	DMX_PES_PCR1,
     69 
     70 	DMX_PES_AUDIO2,
     71 	DMX_PES_VIDEO2,
     72 	DMX_PES_TELETEXT2,
     73 	DMX_PES_SUBTITLE2,
     74 	DMX_PES_PCR2,
     75 
     76 	DMX_PES_AUDIO3,
     77 	DMX_PES_VIDEO3,
     78 	DMX_PES_TELETEXT3,
     79 	DMX_PES_SUBTITLE3,
     80 	DMX_PES_PCR3,
     81 
     82 	DMX_PES_OTHER,
     83 } dmx_pes_type_t;
     84 
     85 #define	DMX_PES_AUDIO		DMX_PES_AUDIO0
     86 #define	DMX_PES_VIDEO		DMX_PES_VIDEO0
     87 #define	DMX_PES_TELETEXT	DMX_PES_TELETEXT0
     88 #define	DMX_PES_SUBTITLE	DMX_PES_SUBTITLE0
     89 #define	DMX_PES_PCR		DMX_PES_PCR0
     90 
     91 #define	DMX_FILTER_SIZE	16
     92 
     93 typedef struct dmx_filter {
     94 	uint8_t		filter[DMX_FILTER_SIZE];
     95 	uint8_t		mask[DMX_FILTER_SIZE];
     96 	uint8_t		mode[DMX_FILTER_SIZE];
     97 } dmx_filter_t;
     98 
     99 struct dmx_sct_filter_params {
    100 	uint16_t	pid;
    101 	dmx_filter_t	filter;
    102 	uint32_t	timeout;
    103 	uint32_t	flags;
    104 #define	DMX_CHECK_CRC		0x0001
    105 #define	DMX_ONESHOT		0x0002
    106 #define	DMX_IMMEDIATE_START	0x0004
    107 #define	DMX_KERNEL_CLIENT	0x8000
    108 };
    109 
    110 struct dmx_pes_filter_params {
    111 	uint16_t	pid;
    112 	dmx_input_t	input;
    113 	dmx_output_t	output;
    114 	dmx_pes_type_t	pes_type;
    115 	uint32_t	flags;
    116 };
    117 
    118 struct dmx_stc {
    119 	unsigned int	num;
    120 	unsigned int	base;
    121 	uint64_t	stc;
    122 };
    123 
    124 typedef struct dmx_caps {
    125 	uint32_t	caps;
    126 	int		num_decoders;
    127 } dmx_caps_t;
    128 
    129 typedef enum {
    130 	DMX_SOURCE_FRONT0 = 0,
    131 	DMX_SOURCE_FRONT1,
    132 	DMX_SOURCE_FRONT2,
    133 	DMX_SOURCE_FRONT3,
    134 	DMX_SOURCE_DVR0 = 16,
    135 	DMX_SOURCE_DVR1,
    136 	DMX_SOURCE_DVR2,
    137 	DMX_SOURCE_DVR3,
    138 } dmx_source_t;
    139 
    140 #define	DMX_START		   _IO('D', 100)
    141 #define	DMX_STOP		   _IO('D', 101)
    142 #define	DMX_SET_FILTER		   _IOW('D', 102, struct dmx_sct_filter_params)
    143 #define	DMX_SET_PES_FILTER	   _IOW('D', 103, struct dmx_pes_filter_params)
    144 #define	DMX_SET_BUFFER_SIZE	   _IO('D', 104)
    145 #define	DMX_GET_STC		   _IOWR('D', 105, struct dmx_stc)
    146 #define	DMX_ADD_PID		   _IOW('D', 106, uint16_t)
    147 #define	DMX_REMOVE_PID		   _IOW('D', 107, uint16_t)
    148 #define	DMX_GET_CAPS		   _IOR('D', 108, dmx_caps_t)
    149 #define	DMX_SET_SOURCE		   _IOW('D', 109, dmx_source_t)
    150 
    151 #endif /* !_DEV_DTV_DTVIO_DEMUX_H */
    152