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
143
144
145
146
147
148
149
|
/*
* Flash Compatible Streaming Format common header.
* Copyright (c) 2000 Fabrice Bellard
* Copyright (c) 2003 Tinic Uro
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVFORMAT_SWF_H
#define AVFORMAT_SWF_H
#include "config.h"
#if CONFIG_ZLIB
#include <zlib.h>
#endif
#include "libavutil/fifo.h"
#include "avformat.h"
#include "avio.h"
#include "riff.h" /* for CodecTag */
/* should have a generic way to indicate probable size */
#define DUMMY_FILE_SIZE (100 * 1024 * 1024)
#define DUMMY_DURATION 600 /* in seconds */
enum {
TAG_END = 0,
TAG_SHOWFRAME = 1,
TAG_DEFINESHAPE = 2,
TAG_FREECHARACTER = 3,
TAG_PLACEOBJECT = 4,
TAG_REMOVEOBJECT = 5,
TAG_DEFINEBITS = 6,
TAG_DEFINEBUTTON = 7,
TAG_JPEGTABLES = 8,
TAG_SETBACKGROUNDCOLOR = 9,
TAG_DEFINEFONT = 10,
TAG_DEFINETEXT = 11,
TAG_DOACTION = 12,
TAG_DEFINEFONTINFO = 13,
TAG_DEFINESOUND = 14,
TAG_STARTSOUND = 15,
TAG_DEFINEBUTTONSOUND = 17,
TAG_STREAMHEAD = 18,
TAG_STREAMBLOCK = 19,
TAG_DEFINEBITSLOSSLESS = 20,
TAG_JPEG2 = 21,
TAG_DEFINESHAPE2 = 22,
TAG_DEFINEBUTTONCXFORM = 23,
TAG_PROTECT = 24,
TAG_PLACEOBJECT2 = 26,
TAG_REMOVEOBJECT2 = 28,
TAG_DEFINESHAPE3 = 32,
TAG_DEFINETEXT2 = 33,
TAG_DEFINEBUTTON2 = 34,
TAG_DEFINEBITSJPEG3 = 35,
TAG_DEFINEBITSLOSSLESS2 = 36,
TAG_DEFINEEDITTEXT = 37,
TAG_DEFINESPRITE = 39,
TAG_FRAMELABEL = 43,
TAG_STREAMHEAD2 = 45,
TAG_DEFINEMORPHSHAPE = 46,
TAG_DEFINEFONT2 = 48,
TAG_EXPORTASSETS = 56,
TAG_IMPORTASSETS = 57,
TAG_ENABLEDEBUGGER = 58,
TAG_DOINITACTION = 59,
TAG_VIDEOSTREAM = 60,
TAG_VIDEOFRAME = 61,
TAG_DEFINEFONTINFO2 = 62,
TAG_ENABLEDEBUGGER2 = 64,
TAG_SCRIPTLIMITS = 65,
TAG_SETTABINDEX = 66,
TAG_FILEATTRIBUTES = 69,
TAG_PLACEOBJECT3 = 70,
TAG_IMPORTASSETS2 = 71,
TAG_DEFINEFONTALIGNZONES = 73,
TAG_CSMTEXTSETTINGS = 74,
TAG_DEFINEFONT3 = 75,
TAG_SYMBOLCLASS = 76,
TAG_METADATA = 77,
TAG_DEFINESCALINGGRID = 78,
TAG_DOABC = 82,
TAG_DEFINESHAPE4 = 83,
TAG_DEFINEMORPHSHAPE2 = 84,
TAG_DEFINESCENEANDFRAMELABELDATA = 86,
TAG_DEFINEBINARYDATA = 87,
TAG_DEFINEFONTNAME = 88,
TAG_STARTSOUND2 = 89,
TAG_DEFINEBITSJPEG4 = 90,
TAG_DEFINEFONT4 = 91,
};
#define TAG_LONG 0x100
/* flags for shape definition */
#define FLAG_MOVETO 0x01
#define FLAG_SETFILL0 0x02
#define FLAG_SETFILL1 0x04
#define AUDIO_FIFO_SIZE 65536
/* character id used */
#define BITMAP_ID 0
#define VIDEO_ID 0
#define SHAPE_ID 1
#undef NDEBUG
#include <assert.h>
typedef struct SWFContext {
int64_t duration_pos;
int64_t tag_pos;
int64_t vframes_pos;
int samples_per_frame;
int sound_samples;
int swf_frame_number;
int video_frame_number;
int frame_rate;
int tag;
AVFifoBuffer *audio_fifo;
AVCodecContext *audio_enc, *video_enc;
#if CONFIG_ZLIB
AVIOContext *zpb;
#define ZBUF_SIZE 4096
uint8_t *zbuf_in;
uint8_t *zbuf_out;
z_stream zstream;
#endif
} SWFContext;
extern const AVCodecTag ff_swf_codec_tags[];
#endif /* AVFORMAT_SWF_H */
|
