/*
  * 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 "internal.h"

 
 /* 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
 

 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;

     AVCodecParameters *audio_par, *video_par;

     AVStream *video_st;

 #if CONFIG_ZLIB
 #define ZBUF_SIZE 4096

     AVIOContext *zpb;

     uint8_t *zbuf_in;
     uint8_t *zbuf_out;
     z_stream zstream;
 #endif

 } SWFContext;
 

 extern const AVCodecTag ff_swf_codec_tags[];

 #endif /* AVFORMAT_SWF_H */