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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
diff -Naur mp4v2-trunk-r355/include/mp4v2/general.h mp4v2-trunk-r355/include/mp4v2/general.h
--- mp4v2-trunk-r355/include/mp4v2/general.h 2009-05-23 06:09:58.000000000 -0700
+++ mp4v2-trunk-r355/include/mp4v2/general.h 2010-05-23 14:22:21.949288657 -0700
@@ -75,6 +75,7 @@
#define MP4_CNTL_TRACK_TYPE "cntl" /**< Constant: control track. */
#define MP4_TEXT_TRACK_TYPE "text" /**< Constant: text track. */
#define MP4_SUBTITLE_TRACK_TYPE "sbtl" /**< Constant: subtitle track. */
+#define MP4_SUBPIC_TRACK_TYPE "subp" /**< Constant: subtitle track. */
/*
* This second set of track types should be created
* via MP4AddSystemsTrack(type)
diff -Naur mp4v2-trunk-r355/include/mp4v2/track.h mp4v2-trunk-r355/include/mp4v2/track.h
--- mp4v2-trunk-r355/include/mp4v2/track.h 2009-05-23 06:21:49.000000000 -0700
+++ mp4v2-trunk-r355/include/mp4v2/track.h 2010-05-23 15:43:47.249286008 -0700
@@ -310,6 +310,13 @@
uint16_t height );
MP4V2_EXPORT
+MP4TrackId MP4AddSubpicTrack(
+ MP4FileHandle hFile,
+ uint32_t timescale,
+ uint16_t width,
+ uint16_t height );
+
+MP4V2_EXPORT
MP4TrackId MP4AddPixelAspectRatio(
MP4FileHandle hFile,
MP4TrackId refTrackId,
diff -Naur mp4v2-trunk-r355/src/descriptors.h mp4v2-trunk-r355/src/descriptors.h
--- mp4v2-trunk-r355/src/descriptors.h 2009-05-20 19:52:32.000000000 -0700
+++ mp4v2-trunk-r355/src/descriptors.h 2010-05-23 16:29:34.800935677 -0700
@@ -119,6 +119,7 @@
// ES objectTypeId
const uint8_t MP4SystemsV1ObjectType = 0x01;
const uint8_t MP4SystemsV2ObjectType = 0x02;
+const uint8_t MP4SubpicObjectType = 0xe0;
// ES streamType
const uint8_t MP4ObjectDescriptionStreamType = 0x01;
@@ -131,6 +132,7 @@
const uint8_t MP4OCIStreamType = 0x08;
const uint8_t MP4MPEGJStreamType = 0x09;
const uint8_t MP4UserPrivateStreamType = 0x20;
+const uint8_t MP4NeroSubpicStreamType = 0x38;
///////////////////////////////////////////////////////////////////////////////
diff -Naur mp4v2-trunk-r355/src/mp4.cpp mp4v2-trunk-r355/src/mp4.cpp
--- mp4v2-trunk-r355/src/mp4.cpp 2009-05-23 06:29:37.000000000 -0700
+++ mp4v2-trunk-r355/src/mp4.cpp 2010-05-23 15:45:28.852222074 -0700
@@ -1174,6 +1174,23 @@
return MP4_INVALID_TRACK_ID;
}
+ MP4TrackId MP4AddSubpicTrack(MP4FileHandle hFile,
+ uint32_t timescale,
+ uint16_t width,
+ uint16_t height)
+ {
+ if (MP4_IS_VALID_FILE_HANDLE(hFile)) {
+ try {
+ return ((MP4File*)hFile)->AddSubpicTrack(timescale, width, height);
+ }
+ catch (MP4Error* e) {
+ PRINT_ERROR(e);
+ delete e;
+ }
+ }
+ return MP4_INVALID_TRACK_ID;
+ }
+
MP4TrackId MP4AddChapterTextTrack(
MP4FileHandle hFile, MP4TrackId refTrackId, uint32_t timescale)
{
diff -Naur mp4v2-trunk-r355/src/mp4file.cpp mp4v2-trunk-r355/src/mp4file.cpp
--- mp4v2-trunk-r355/src/mp4file.cpp 2009-05-26 19:34:56.000000000 -0700
+++ mp4v2-trunk-r355/src/mp4file.cpp 2010-05-23 16:32:52.654220633 -0700
@@ -2095,6 +2095,50 @@
return trackId;
}
+MP4TrackId MP4File::AddSubpicTrack(uint32_t timescale,
+ uint16_t width,
+ uint16_t height)
+{
+ MP4TrackId trackId =
+ AddTrack(MP4_SUBPIC_TRACK_TYPE, timescale);
+
+ InsertChildAtom(MakeTrackName(trackId, "mdia.minf"), "nmhd", 0);
+
+ (void)AddChildAtom(MakeTrackName(trackId, "mdia.minf.stbl.stsd"), "mp4s");
+
+ SetTrackFloatProperty(trackId, "tkhd.width", width);
+ SetTrackFloatProperty(trackId, "tkhd.height", height);
+ SetTrackIntegerProperty(trackId, "tkhd.layer", 0);
+
+ // stsd is a unique beast in that it has a count of the number
+ // of child atoms that needs to be incremented after we add the mp4s atom
+ MP4Integer32Property* pStsdCountProperty;
+ FindIntegerProperty(
+ MakeTrackName(trackId, "mdia.minf.stbl.stsd.entryCount"),
+ (MP4Property**)&pStsdCountProperty);
+ pStsdCountProperty->IncrementValue();
+
+ SetTrackIntegerProperty(trackId,
+ "mdia.minf.stbl.stsd.mp4s.esds.ESID",
+#if 0
+ // note - for a file, these values need to
+ // be 0 - wmay - 04/16/2003
+ trackId
+#else
+ 0
+#endif
+ );
+
+ SetTrackIntegerProperty(trackId,
+ "mdia.minf.stbl.stsd.mp4s.esds.decConfigDescr.objectTypeId",
+ MP4SubpicObjectType);
+
+ SetTrackIntegerProperty(trackId,
+ "mdia.minf.stbl.stsd.mp4s.esds.decConfigDescr.streamType",
+ MP4NeroSubpicStreamType);
+ return trackId;
+}
+
MP4TrackId MP4File::AddChapterTextTrack(MP4TrackId refTrackId, uint32_t timescale)
{
// validate reference track id
diff -Naur mp4v2-trunk-r355/src/mp4file.h mp4v2-trunk-r355/src/mp4file.h
--- mp4v2-trunk-r355/src/mp4file.h 2009-05-23 06:29:37.000000000 -0700
+++ mp4v2-trunk-r355/src/mp4file.h 2010-05-23 15:44:57.568026299 -0700
@@ -388,6 +388,10 @@
uint16_t width,
uint16_t height);
+ MP4TrackId AddSubpicTrack(uint32_t timescale,
+ uint16_t width,
+ uint16_t height);
+
MP4TrackId AddPixelAspectRatio(MP4TrackId trackId, uint32_t hSpacing, uint32_t vSpacing);
MP4TrackId AddColr(MP4TrackId trackId, uint16_t pri, uint16_t tran, uint16_t mat);
|
