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
35enum 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
46typedef enum dmx_output dmx_output_t;
47
48typedef 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
55typedef 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
91typedef 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
99struct 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
112struct 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
121typedef struct dmx_caps {
122	__u32 caps;
123	int num_decoders;
124} dmx_caps_t;
125
126typedef 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
137struct 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