swf.h
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1 /*
2  * Flash Compatible Streaming Format common header.
3  * Copyright (c) 2000 Fabrice Bellard
4  * Copyright (c) 2003 Tinic Uro
5  *
6  * This file is part of Libav.
7  *
8  * Libav is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * Libav 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 GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with Libav; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #ifndef AVFORMAT_SWF_H
24 #define AVFORMAT_SWF_H
25 
26 #include "libavutil/fifo.h"
27 #include "avformat.h"
28 #include "avio.h"
29 #include "riff.h" /* for CodecTag */
30 
31 /* should have a generic way to indicate probable size */
32 #define DUMMY_FILE_SIZE (100 * 1024 * 1024)
33 #define DUMMY_DURATION 600 /* in seconds */
34 
35 #define TAG_END 0
36 #define TAG_SHOWFRAME 1
37 #define TAG_DEFINESHAPE 2
38 #define TAG_FREECHARACTER 3
39 #define TAG_PLACEOBJECT 4
40 #define TAG_REMOVEOBJECT 5
41 #define TAG_STREAMHEAD 18
42 #define TAG_STREAMBLOCK 19
43 #define TAG_JPEG2 21
44 #define TAG_PLACEOBJECT2 26
45 #define TAG_STREAMHEAD2 45
46 #define TAG_VIDEOSTREAM 60
47 #define TAG_VIDEOFRAME 61
48 #define TAG_FILEATTRIBUTES 69
49 
50 #define TAG_LONG 0x100
51 
52 /* flags for shape definition */
53 #define FLAG_MOVETO 0x01
54 #define FLAG_SETFILL0 0x02
55 #define FLAG_SETFILL1 0x04
56 
57 #define AUDIO_FIFO_SIZE 65536
58 
59 /* character id used */
60 #define BITMAP_ID 0
61 #define VIDEO_ID 0
62 #define SHAPE_ID 1
63 
64 #undef NDEBUG
65 #include <assert.h>
66 
67 typedef struct {
68  int64_t duration_pos;
69  int64_t tag_pos;
70  int64_t vframes_pos;
76  int tag;
78  AVCodecContext *audio_enc, *video_enc;
79 } SWFContext;
80 
81 static const AVCodecTag swf_codec_tags[] = {
82  {CODEC_ID_FLV1, 0x02},
83  {CODEC_ID_VP6F, 0x04},
84  {CODEC_ID_NONE, 0},
85 };
86 
87 static const AVCodecTag swf_audio_codec_tags[] = {
88  {CODEC_ID_PCM_S16LE, 0x00},
89  {CODEC_ID_ADPCM_SWF, 0x01},
90  {CODEC_ID_MP3, 0x02},
91  {CODEC_ID_PCM_S16LE, 0x03},
92  //{CODEC_ID_NELLYMOSER, 0x06},
93  {CODEC_ID_NONE, 0},
94 };
95 
96 #endif /* AVFORMAT_SWF_H */