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 FFmpeg.
7 *
8 * FFmpeg 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 * FFmpeg 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 FFmpeg; 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 "config.h"
27
28#if CONFIG_ZLIB
29#include <zlib.h>
30#endif
31
32#include "libavutil/fifo.h"
33#include "avformat.h"
34#include "avio.h"
35#include "internal.h"
36
37/* should have a generic way to indicate probable size */
38#define DUMMY_FILE_SIZE   (100 * 1024 * 1024)
39#define DUMMY_DURATION    600 /* in seconds */
40
41enum {
42    TAG_END                          =  0,
43    TAG_SHOWFRAME                    =  1,
44    TAG_DEFINESHAPE                  =  2,
45    TAG_FREECHARACTER                =  3,
46    TAG_PLACEOBJECT                  =  4,
47    TAG_REMOVEOBJECT                 =  5,
48    TAG_DEFINEBITS                   =  6,
49    TAG_DEFINEBUTTON                 =  7,
50    TAG_JPEGTABLES                   =  8,
51    TAG_SETBACKGROUNDCOLOR           =  9,
52    TAG_DEFINEFONT                   = 10,
53    TAG_DEFINETEXT                   = 11,
54    TAG_DOACTION                     = 12,
55    TAG_DEFINEFONTINFO               = 13,
56    TAG_DEFINESOUND                  = 14,
57    TAG_STARTSOUND                   = 15,
58    TAG_DEFINEBUTTONSOUND            = 17,
59    TAG_STREAMHEAD                   = 18,
60    TAG_STREAMBLOCK                  = 19,
61    TAG_DEFINEBITSLOSSLESS           = 20,
62    TAG_JPEG2                        = 21,
63    TAG_DEFINESHAPE2                 = 22,
64    TAG_DEFINEBUTTONCXFORM           = 23,
65    TAG_PROTECT                      = 24,
66    TAG_PLACEOBJECT2                 = 26,
67    TAG_REMOVEOBJECT2                = 28,
68    TAG_DEFINESHAPE3                 = 32,
69    TAG_DEFINETEXT2                  = 33,
70    TAG_DEFINEBUTTON2                = 34,
71    TAG_DEFINEBITSJPEG3              = 35,
72    TAG_DEFINEBITSLOSSLESS2          = 36,
73    TAG_DEFINEEDITTEXT               = 37,
74    TAG_DEFINESPRITE                 = 39,
75    TAG_FRAMELABEL                   = 43,
76    TAG_STREAMHEAD2                  = 45,
77    TAG_DEFINEMORPHSHAPE             = 46,
78    TAG_DEFINEFONT2                  = 48,
79    TAG_EXPORTASSETS                 = 56,
80    TAG_IMPORTASSETS                 = 57,
81    TAG_ENABLEDEBUGGER               = 58,
82    TAG_DOINITACTION                 = 59,
83    TAG_VIDEOSTREAM                  = 60,
84    TAG_VIDEOFRAME                   = 61,
85    TAG_DEFINEFONTINFO2              = 62,
86    TAG_ENABLEDEBUGGER2              = 64,
87    TAG_SCRIPTLIMITS                 = 65,
88    TAG_SETTABINDEX                  = 66,
89    TAG_FILEATTRIBUTES               = 69,
90    TAG_PLACEOBJECT3                 = 70,
91    TAG_IMPORTASSETS2                = 71,
92    TAG_DEFINEFONTALIGNZONES         = 73,
93    TAG_CSMTEXTSETTINGS              = 74,
94    TAG_DEFINEFONT3                  = 75,
95    TAG_SYMBOLCLASS                  = 76,
96    TAG_METADATA                     = 77,
97    TAG_DEFINESCALINGGRID            = 78,
98    TAG_DOABC                        = 82,
99    TAG_DEFINESHAPE4                 = 83,
100    TAG_DEFINEMORPHSHAPE2            = 84,
101    TAG_DEFINESCENEANDFRAMELABELDATA = 86,
102    TAG_DEFINEBINARYDATA             = 87,
103    TAG_DEFINEFONTNAME               = 88,
104    TAG_STARTSOUND2                  = 89,
105    TAG_DEFINEBITSJPEG4              = 90,
106    TAG_DEFINEFONT4                  = 91,
107};
108
109#define TAG_LONG         0x100
110
111/* flags for shape definition */
112#define FLAG_MOVETO      0x01
113#define FLAG_SETFILL0    0x02
114#define FLAG_SETFILL1    0x04
115
116#define AUDIO_FIFO_SIZE 65536
117
118/* character id used */
119#define BITMAP_ID 0
120#define VIDEO_ID 0
121#define SHAPE_ID  1
122
123typedef struct SWFContext {
124    int64_t duration_pos;
125    int64_t tag_pos;
126    int64_t vframes_pos;
127    int samples_per_frame;
128    int sound_samples;
129    int swf_frame_number;
130    int video_frame_number;
131    int frame_rate;
132    int tag;
133    AVFifoBuffer *audio_fifo;
134    AVCodecContext *audio_enc, *video_enc;
135    AVStream *video_st;
136#if CONFIG_ZLIB
137    AVIOContext *zpb;
138#define ZBUF_SIZE 4096
139    uint8_t *zbuf_in;
140    uint8_t *zbuf_out;
141    z_stream zstream;
142#endif
143} SWFContext;
144
145extern const AVCodecTag ff_swf_codec_tags[];
146
147#endif /* AVFORMAT_SWF_H */
148