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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 _DVBDMX_H_
25#define _DVBDMX_H_
26
27#include <asm/types.h>
28#ifdef __KERNEL__
29#include <linux/time.h>
30#else
31#include <time.h>
32#endif
33
34
35#define DMX_FILTER_SIZE 16
36
37typedef enum
38{
39 DMX_OUT_DECODER, /* Streaming directly to decoder. */
40 DMX_OUT_TAP, /* Output going to a memory buffer */
41 /* (to be retrieved via the read command).*/
42 DMX_OUT_TS_TAP /* Output multiplexed into a new TS */
43 /* (to be retrieved by reading from the */
44 /* logical DVR device). */
45} dmx_output_t;
46
47
48typedef enum
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
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 enum
92{
93 DMX_SCRAMBLING_EV,
94 DMX_FRONTEND_EV
95} dmx_event_t;
96
97
98typedef enum
99{
100 DMX_SCRAMBLING_OFF,
101 DMX_SCRAMBLING_ON
102} dmx_scrambling_status_t;
103
104
105typedef struct dmx_filter
106{
107 __u8 filter[DMX_FILTER_SIZE];
108 __u8 mask[DMX_FILTER_SIZE];
109 __u8 mode[DMX_FILTER_SIZE];
110} dmx_filter_t;
111
112
113struct dmx_sct_filter_params
114{
115 __u16 pid;
116 dmx_filter_t filter;
117 __u32 timeout;
118 __u32 flags;
119#define DMX_CHECK_CRC 1
120#define DMX_ONESHOT 2
121#define DMX_IMMEDIATE_START 4
122#define DMX_KERNEL_CLIENT 0x8000
123};
124
125
126struct dmx_pes_filter_params
127{
128 __u16 pid;
129 dmx_input_t input;
130 dmx_output_t output;
131 dmx_pes_type_t pes_type;
132 __u32 flags;
133};
134
135
136struct dmx_event
137{
138 dmx_event_t event;
139 time_t timeStamp;
140 union
141 {
142 dmx_scrambling_status_t scrambling;
143 } u;
144};
145
146typedef struct dmx_caps {
147 __u32 caps;
148 int num_decoders;
149} dmx_caps_t;
150
151typedef enum {
152 DMX_SOURCE_FRONT0 = 0,
153 DMX_SOURCE_FRONT1,
154 DMX_SOURCE_FRONT2,
155 DMX_SOURCE_FRONT3,
156 DMX_SOURCE_DVR0 = 16,
157 DMX_SOURCE_DVR1,
158 DMX_SOURCE_DVR2,
159 DMX_SOURCE_DVR3
160} dmx_source_t;
161
162struct dmx_stc {
163 unsigned int num; /* input : which STC? 0..N */
164 unsigned int base; /* output: divisor for stc to get 90 kHz clock */
165 __u64 stc; /* output: stc in 'base'*90 kHz units */
166};
167
168
169#define DMX_START _IO('o', 41)
170#define DMX_STOP _IO('o', 42)
171#define DMX_SET_FILTER _IOW('o', 43, struct dmx_sct_filter_params)
172#define DMX_SET_PES_FILTER _IOW('o', 44, struct dmx_pes_filter_params)
173#define DMX_SET_BUFFER_SIZE _IO('o', 45)
174#define DMX_GET_EVENT _IOR('o', 46, struct dmx_event)
175#define DMX_GET_PES_PIDS _IOR('o', 47, __u16[5])
176#define DMX_GET_CAPS _IOR('o', 48, dmx_caps_t)
177#define DMX_SET_SOURCE _IOW('o', 49, dmx_source_t)
178#define DMX_GET_STC _IOWR('o', 50, struct dmx_stc)
179
180#endif /*_DVBDMX_H_*/