git.sesse.net Git - ffmpeg/blob - libavformat/swf.h

   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
  41 enum {
  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
 123 #undef NDEBUG
 124 #include <assert.h>
 125
 126 typedef struct SWFContext {
 127     int64_t duration_pos;
 128     int64_t tag_pos;
 129     int64_t vframes_pos;
 130     int samples_per_frame;
 131     int sound_samples;
 132     int swf_frame_number;
 133     int video_frame_number;
 134     int frame_rate;
 135     int tag;
 136     AVFifoBuffer *audio_fifo;
 137     AVCodecContext *audio_enc, *video_enc;
 138 #if CONFIG_ZLIB
 139     AVIOContext *zpb;
 140 #define ZBUF_SIZE 4096
 141     uint8_t *zbuf_in;
 142     uint8_t *zbuf_out;
 143     z_stream zstream;
 144 #endif
 145 } SWFContext;
 146
 147 extern const AVCodecTag ff_swf_codec_tags[];
 148
 149 #endif /* AVFORMAT_SWF_H */