1 /* $NetBSD: dtvio_demux.h,v 1.2 2011/07/10 15:50:48 jmcneill Exp $ */
2 
3 /*-
4  * Copyright (c) 2011 Jared D. McNeill <jmcneill@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_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 #define	DMX_FILTER_SIZE	16
91 
92 typedef struct dmx_filter {
93 	uint8_t		filter[DMX_FILTER_SIZE];
94 	uint8_t		mask[DMX_FILTER_SIZE];
95 	uint8_t		mode[DMX_FILTER_SIZE];
96 } dmx_filter_t;
97 
98 struct dmx_sct_filter_params {
99 	uint16_t	pid;
100 	dmx_filter_t	filter;
101 	uint32_t	timeout;
102 	uint32_t	flags;
103 #define	DMX_CHECK_CRC		0x0001
104 #define	DMX_ONESHOT		0x0002
105 #define	DMX_IMMEDIATE_START	0x0004
106 #define	DMX_KERNEL_CLIENT	0x8000
107 };
108 
109 struct dmx_pes_filter_params {
110 	uint16_t	pid;
111 	dmx_input_t	input;
112 	dmx_output_t	output;
113 	dmx_pes_type_t	pes_type;
114 	uint32_t	flags;
115 };
116 
117 struct dmx_stc {
118 	unsigned int	num;
119 	unsigned int	base;
120 	uint64_t	stc;
121 };
122 
123 typedef struct dmx_caps {
124 	uint32_t	caps;
125 	int		num_decoders;
126 } dmx_caps_t;
127 
128 typedef enum {
129 	DMX_SOURCE_FRONT0 = 0,
130 	DMX_SOURCE_FRONT1,
131 	DMX_SOURCE_FRONT2,
132 	DMX_SOURCE_FRONT3,
133 	DMX_SOURCE_DVR0 = 16,
134 	DMX_SOURCE_DVR1,
135 	DMX_SOURCE_DVR2,
136 	DMX_SOURCE_DVR3,
137 } dmx_source_t;
138 
139 #define	DMX_START		   _IO('D', 100)
140 #define	DMX_STOP		   _IO('D', 101)
141 #define	DMX_SET_FILTER		   _IOW('D', 102, struct dmx_sct_filter_params)
142 #define	DMX_SET_PES_FILTER	   _IOW('D', 103, struct dmx_pes_filter_params)
143 #define	DMX_SET_BUFFER_SIZE	   _IO('D', 104)
144 #define	DMX_GET_STC		   _IOWR('D', 105, struct dmx_stc)
145 #define	DMX_ADD_PID		   _IOW('D', 106, uint16_t)
146 #define	DMX_REMOVE_PID		   _IOW('D', 107, uint16_t)
147 #define	DMX_GET_CAPS		   _IOR('D', 108, dmx_caps_t)
148 #define	DMX_SET_SOURCE		   _IOW('D', 109, dmx_source_t)
149 
150 #endif /* !_DEV_DTV_DTVIO_DEMUX_H */
151