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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 _UAPI_DVBDMX_H_
25 #define _UAPI_DVBDMX_H_
26 
27 #include <linux/types.h>
28 #ifndef __KERNEL__
29 #include <time.h>
30 #endif
31 
32 
33 #define DMX_FILTER_SIZE 16
34 
35 enum dmx_output
36 {
37 	DMX_OUT_DECODER, /* Streaming directly to decoder. */
38 	DMX_OUT_TAP,     /* Output going to a memory buffer */
39 			 /* (to be retrieved via the read command).*/
40 	DMX_OUT_TS_TAP,  /* Output multiplexed into a new TS  */
41 			 /* (to be retrieved by reading from the */
42 			 /* logical DVR device).                 */
43 	DMX_OUT_TSDEMUX_TAP /* Like TS_TAP but retrieved from the DMX device */
44 };
45 
46 typedef enum dmx_output dmx_output_t;
47 
48 typedef enum dmx_input
49 {
50 	DMX_IN_FRONTEND, /* Input from a front-end device.  */
51 	DMX_IN_DVR       /* Input from the logical DVR device.  */
52 } dmx_input_t;
53 
54 
55 typedef enum dmx_ts_pes
56 {
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 
91 typedef struct dmx_filter
92 {
93 	__u8  filter[DMX_FILTER_SIZE];
94 	__u8  mask[DMX_FILTER_SIZE];
95 	__u8  mode[DMX_FILTER_SIZE];
96 } dmx_filter_t;
97 
98 
99 struct dmx_sct_filter_params
100 {
101 	__u16          pid;
102 	dmx_filter_t   filter;
103 	__u32          timeout;
104 	__u32          flags;
105 #define DMX_CHECK_CRC       1
106 #define DMX_ONESHOT         2
107 #define DMX_IMMEDIATE_START 4
108 #define DMX_KERNEL_CLIENT   0x8000
109 };
110 
111 
112 struct dmx_pes_filter_params
113 {
114 	__u16          pid;
115 	dmx_input_t    input;
116 	dmx_output_t   output;
117 	dmx_pes_type_t pes_type;
118 	__u32          flags;
119 };
120 
121 typedef struct dmx_caps {
122 	__u32 caps;
123 	int num_decoders;
124 } dmx_caps_t;
125 
126 typedef enum dmx_source {
127 	DMX_SOURCE_FRONT0 = 0,
128 	DMX_SOURCE_FRONT1,
129 	DMX_SOURCE_FRONT2,
130 	DMX_SOURCE_FRONT3,
131 	DMX_SOURCE_DVR0   = 16,
132 	DMX_SOURCE_DVR1,
133 	DMX_SOURCE_DVR2,
134 	DMX_SOURCE_DVR3
135 } dmx_source_t;
136 
137 struct dmx_stc {
138 	unsigned int num;	/* input : which STC? 0..N */
139 	unsigned int base;	/* output: divisor for stc to get 90 kHz clock */
140 	__u64 stc;		/* output: stc in 'base'*90 kHz units */
141 };
142 
143 #define DMX_START                _IO('o', 41)
144 #define DMX_STOP                 _IO('o', 42)
145 #define DMX_SET_FILTER           _IOW('o', 43, struct dmx_sct_filter_params)
146 #define DMX_SET_PES_FILTER       _IOW('o', 44, struct dmx_pes_filter_params)
147 #define DMX_SET_BUFFER_SIZE      _IO('o', 45)
148 #define DMX_GET_PES_PIDS         _IOR('o', 47, __u16[5])
149 #define DMX_GET_CAPS             _IOR('o', 48, dmx_caps_t)
150 #define DMX_SET_SOURCE           _IOW('o', 49, dmx_source_t)
151 #define DMX_GET_STC              _IOWR('o', 50, struct dmx_stc)
152 #define DMX_ADD_PID              _IOW('o', 51, __u16)
153 #define DMX_REMOVE_PID           _IOW('o', 52, __u16)
154 
155 #endif /* _UAPI_DVBDMX_H_ */
156