1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
/*
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* The Original Code is Fluendo MPEG Demuxer plugin.
*
* The Initial Developer of the Original Code is Fluendo, S.L.
* Portions created by Fluendo, S.L. are Copyright (C) 2005
* Fluendo, S.L. All Rights Reserved.
*
* Contributor(s): Wim Taymans <wim@fluendo.com>
*/
#ifndef __GST_MPEG_DEFS_H__
#define __GST_MPEG_DEFS_H__
#include <glib/gprintf.h>
#define SAFE_FOURCC_FORMAT "02x%02x%02x%02x (%c%c%c%c)"
#define SAFE_CHAR(a) (g_ascii_isalnum((gchar) (a)) ? ((gchar)(a)) : '.')
#define SAFE_FOURCC_ARGS(a) \
((guint8) ((a)>>24)), \
((guint8) ((a) >> 16 & 0xff)), \
((guint8) a >> 8 & 0xff), \
((guint8) a & 0xff), \
SAFE_CHAR((a)>>24), \
SAFE_CHAR((a) >> 16 & 0xff), \
SAFE_CHAR((a) >> 8 & 0xff), \
SAFE_CHAR(a & 0xff)
/* Stream type assignments */
/* FIXME: Put these in mpegts lib separate stream type enums */
/* Un-official Dirac extension */
#define ST_VIDEO_DIRAC 0xd1
/* private stream types */
#define ST_PS_VIDEO_MPEG2_DCII 0x80
#define ST_PS_AUDIO_AC3 0x81
#define ST_PS_AUDIO_LPCM2 0x83
#define ST_PS_AUDIO_DTS 0x8a
#define ST_PS_AUDIO_LPCM 0x8b
#define ST_PS_DVD_SUBPICTURE 0xff
/* Blu-ray related (registration: 'HDMV'*/
#define ST_BD_AUDIO_LPCM 0x80
#define ST_BD_AUDIO_AC3 0x81
#define ST_BD_AUDIO_DTS 0x82
#define ST_BD_AUDIO_AC3_TRUE_HD 0x83
#define ST_BD_AUDIO_AC3_PLUS 0x84
#define ST_BD_AUDIO_DTS_HD 0x85
#define ST_BD_AUDIO_DTS_HD_MASTER_AUDIO 0x86
#define ST_BD_AUDIO_EAC3 0x87
#define ST_BD_PGS_SUBPICTURE 0x90
#define ST_BD_IGS 0x91
#define ST_BD_SUBTITLE 0x92
#define ST_BD_SECONDARY_AC3_PLUS 0xa1
#define ST_BD_SECONDARY_DTS_HD 0xa2
/* defined for VC1 extension in RP227 */
#define ST_PRIVATE_EA 0xea
/* Following only apply for streams identified as HDV,
* According to specification 61834-11 the PMT will use
* a registration descriptor with values TSMV or TSHV */
/* HDV AUX stream mapping
* 0xA0 ISO/IEC 61834-11
* 0xA1 ISO/IEC 61834-11
*/
#define ST_HDV_AUX_A 0xa0
#define ST_HDV_AUX_V 0xa1
#define CLOCK_BASE 9LL
#define CLOCK_FREQ (CLOCK_BASE * 10000)
/* Numerical values for second/millisecond in PCR units */
#define PCR_SECOND 27000000
#define PCR_MSECOND 27000
/* PCR_TO_GST calculation requires at least 10 extra bits.
* Since maximum PCR value is coded with 42 bits, we are
* safe to use direct calculation (10+42 < 63)*/
#define PCRTIME_TO_GSTTIME(t) (((t) * (guint64)1000) / 27)
/* MPEG_TO_GST calculation requires at least 17 extra bits (100000)
* Since maximum PTS/DTS value is coded with 33bits, we are
* safe to use direct calculation (17+33 < 63) */
#define MPEGTIME_TO_GSTTIME(t) ((t) * (guint64)100000 / 9)
#define GSTTIME_TO_MPEGTIME(time) (gst_util_uint64_scale ((time), \
CLOCK_BASE, GST_MSECOND/10))
#define GSTTIME_TO_PCRTIME(time) (gst_util_uint64_scale ((time), \
300 * CLOCK_BASE, GST_MSECOND/10))
#define MPEG_MUX_RATE_MULT 50
/* sync:4 == 00xx ! pts:3 ! 1 ! pts:15 ! 1 | pts:15 ! 1 */
#define READ_TS(data, target, lost_sync_label) \
if ((*data & 0x01) != 0x01) goto lost_sync_label; \
target = ((guint64) (*data++ & 0x0E)) << 29; \
target |= ((guint64) (*data++ )) << 22; \
if ((*data & 0x01) != 0x01) goto lost_sync_label; \
target |= ((guint64) (*data++ & 0xFE)) << 14; \
target |= ((guint64) (*data++ )) << 7; \
if ((*data & 0x01) != 0x01) goto lost_sync_label; \
target |= ((guint64) (*data++ & 0xFE)) >> 1;
#endif /* __GST_MPEG_DEFS_H__ */
|
