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/*
* 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;
    AVCodecContext *audio_enc, *video_enc;
    AVStream *video_st;
#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 */
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