1 /*
2  * dmx.h
3  *
4  * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
5  *                  & Ralph  Metzler <ralph@convergence.de>
6  *                    for convergence integrated media GmbH
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public License
10  * as published by the Free Software Foundation; either version 2.1
11  * of the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
21  *
22  */
23 
24 #ifndef _DVBDMX_H_
25 #define _DVBDMX_H_
26 
27 #ifdef __FreeBSD__
28 #define __u8 uint8_t
29 #define __u16 uint16_t
30 #define __u32 uint32_t
31 #define __u64 uint64_t
32 #define __s16 int16_t
33 #define __s32 int32_t
34 #endif
35 
36 #ifdef __KERNEL__
37 #include <linux/time.h>
38 #else
39 #include <time.h>
40 #endif
41 
42 
43 #define DMX_FILTER_SIZE 16
44 
45 typedef enum
46 {
47 	DMX_OUT_DECODER, /* Streaming directly to decoder. */
48 	DMX_OUT_TAP,     /* Output going to a memory buffer */
49 			 /* (to be retrieved via the read command).*/
50 	DMX_OUT_TS_TAP   /* Output multiplexed into a new TS  */
51 			 /* (to be retrieved by reading from the */
52 			 /* logical DVR device).                 */
53 } dmx_output_t;
54 
55 
56 typedef enum
57 {
58 	DMX_IN_FRONTEND, /* Input from a front-end device.  */
59 	DMX_IN_DVR       /* Input from the logical DVR device.  */
60 } dmx_input_t;
61 
62 
63 typedef enum
64 {
65 	DMX_PES_AUDIO0,
66 	DMX_PES_VIDEO0,
67 	DMX_PES_TELETEXT0,
68 	DMX_PES_SUBTITLE0,
69 	DMX_PES_PCR0,
70 
71 	DMX_PES_AUDIO1,
72 	DMX_PES_VIDEO1,
73 	DMX_PES_TELETEXT1,
74 	DMX_PES_SUBTITLE1,
75 	DMX_PES_PCR1,
76 
77 	DMX_PES_AUDIO2,
78 	DMX_PES_VIDEO2,
79 	DMX_PES_TELETEXT2,
80 	DMX_PES_SUBTITLE2,
81 	DMX_PES_PCR2,
82 
83 	DMX_PES_AUDIO3,
84 	DMX_PES_VIDEO3,
85 	DMX_PES_TELETEXT3,
86 	DMX_PES_SUBTITLE3,
87 	DMX_PES_PCR3,
88 
89 	DMX_PES_OTHER
90 } dmx_pes_type_t;
91 
92 #define DMX_PES_AUDIO    DMX_PES_AUDIO0
93 #define DMX_PES_VIDEO    DMX_PES_VIDEO0
94 #define DMX_PES_TELETEXT DMX_PES_TELETEXT0
95 #define DMX_PES_SUBTITLE DMX_PES_SUBTITLE0
96 #define DMX_PES_PCR      DMX_PES_PCR0
97 
98 
99 typedef struct dmx_filter
100 {
101 	__u8  filter[DMX_FILTER_SIZE];
102 	__u8  mask[DMX_FILTER_SIZE];
103 	__u8  mode[DMX_FILTER_SIZE];
104 } dmx_filter_t;
105 
106 
107 struct dmx_sct_filter_params
108 {
109 	__u16          pid;
110 	dmx_filter_t   filter;
111 	__u32          timeout;
112 	__u32          flags;
113 #define DMX_CHECK_CRC       1
114 #define DMX_ONESHOT         2
115 #define DMX_IMMEDIATE_START 4
116 #define DMX_KERNEL_CLIENT   0x8000
117 };
118 
119 
120 struct dmx_pes_filter_params
121 {
122 	__u16          pid;
123 	dmx_input_t    input;
124 	dmx_output_t   output;
125 	dmx_pes_type_t pes_type;
126 	__u32          flags;
127 };
128 
129 typedef struct dmx_caps {
130 	__u32 caps;
131 	int num_decoders;
132 } dmx_caps_t;
133 
134 typedef enum {
135 	DMX_SOURCE_FRONT0 = 0,
136 	DMX_SOURCE_FRONT1,
137 	DMX_SOURCE_FRONT2,
138 	DMX_SOURCE_FRONT3,
139 	DMX_SOURCE_DVR0   = 16,
140 	DMX_SOURCE_DVR1,
141 	DMX_SOURCE_DVR2,
142 	DMX_SOURCE_DVR3
143 } dmx_source_t;
144 
145 struct dmx_stc {
146 	unsigned int num;	/* input : which STC? 0..N */
147 	unsigned int base;	/* output: divisor for stc to get 90 kHz clock */
148 	__u64 stc;		/* output: stc in 'base'*90 kHz units */
149 };
150 
151 
152 #define DMX_START                _IO('o', 41)
153 #define DMX_STOP                 _IO('o', 42)
154 #define DMX_SET_FILTER           _IOW('o', 43, struct dmx_sct_filter_params)
155 #define DMX_SET_PES_FILTER       _IOW('o', 44, struct dmx_pes_filter_params)
156 #define DMX_SET_BUFFER_SIZE      _IO('o', 45)
157 #define DMX_GET_PES_PIDS         _IOR('o', 47, __u16[5])
158 #define DMX_GET_CAPS             _IOR('o', 48, dmx_caps_t)
159 #define DMX_SET_SOURCE           _IOW('o', 49, dmx_source_t)
160 #define DMX_GET_STC              _IOWR('o', 50, struct dmx_stc)
161 
162 #endif /*_DVBDMX_H_*/
163