147 lines
4.8 KiB
C
Executable file
147 lines
4.8 KiB
C
Executable file
/*
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* Flash Compatible Streaming Format common header.
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* Copyright (c) 2000 Fabrice Bellard
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* Copyright (c) 2003 Tinic Uro
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFORMAT_SWF_H
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#define AVFORMAT_SWF_H
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#include "config.h"
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#if CONFIG_ZLIB
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#include <zlib.h>
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#endif
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#include "libavutil/fifo.h"
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#include "avformat.h"
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#include "avio.h"
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#include "internal.h"
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/* should have a generic way to indicate probable size */
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#define DUMMY_FILE_SIZE (100 * 1024 * 1024)
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#define DUMMY_DURATION 600 /* in seconds */
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enum {
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TAG_END = 0,
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TAG_SHOWFRAME = 1,
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TAG_DEFINESHAPE = 2,
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TAG_FREECHARACTER = 3,
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TAG_PLACEOBJECT = 4,
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TAG_REMOVEOBJECT = 5,
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TAG_DEFINEBITS = 6,
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TAG_DEFINEBUTTON = 7,
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TAG_JPEGTABLES = 8,
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TAG_SETBACKGROUNDCOLOR = 9,
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TAG_DEFINEFONT = 10,
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TAG_DEFINETEXT = 11,
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TAG_DOACTION = 12,
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TAG_DEFINEFONTINFO = 13,
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TAG_DEFINESOUND = 14,
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TAG_STARTSOUND = 15,
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TAG_DEFINEBUTTONSOUND = 17,
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TAG_STREAMHEAD = 18,
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TAG_STREAMBLOCK = 19,
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TAG_DEFINEBITSLOSSLESS = 20,
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TAG_JPEG2 = 21,
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TAG_DEFINESHAPE2 = 22,
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TAG_DEFINEBUTTONCXFORM = 23,
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TAG_PROTECT = 24,
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TAG_PLACEOBJECT2 = 26,
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TAG_REMOVEOBJECT2 = 28,
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TAG_DEFINESHAPE3 = 32,
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TAG_DEFINETEXT2 = 33,
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TAG_DEFINEBUTTON2 = 34,
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TAG_DEFINEBITSJPEG3 = 35,
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TAG_DEFINEBITSLOSSLESS2 = 36,
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TAG_DEFINEEDITTEXT = 37,
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TAG_DEFINESPRITE = 39,
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TAG_FRAMELABEL = 43,
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TAG_STREAMHEAD2 = 45,
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TAG_DEFINEMORPHSHAPE = 46,
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TAG_DEFINEFONT2 = 48,
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TAG_EXPORTASSETS = 56,
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TAG_IMPORTASSETS = 57,
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TAG_ENABLEDEBUGGER = 58,
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TAG_DOINITACTION = 59,
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TAG_VIDEOSTREAM = 60,
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TAG_VIDEOFRAME = 61,
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TAG_DEFINEFONTINFO2 = 62,
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TAG_ENABLEDEBUGGER2 = 64,
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TAG_SCRIPTLIMITS = 65,
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TAG_SETTABINDEX = 66,
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TAG_FILEATTRIBUTES = 69,
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TAG_PLACEOBJECT3 = 70,
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TAG_IMPORTASSETS2 = 71,
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TAG_DEFINEFONTALIGNZONES = 73,
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TAG_CSMTEXTSETTINGS = 74,
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TAG_DEFINEFONT3 = 75,
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TAG_SYMBOLCLASS = 76,
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TAG_METADATA = 77,
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TAG_DEFINESCALINGGRID = 78,
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TAG_DOABC = 82,
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TAG_DEFINESHAPE4 = 83,
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TAG_DEFINEMORPHSHAPE2 = 84,
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TAG_DEFINESCENEANDFRAMELABELDATA = 86,
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TAG_DEFINEBINARYDATA = 87,
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TAG_DEFINEFONTNAME = 88,
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TAG_STARTSOUND2 = 89,
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TAG_DEFINEBITSJPEG4 = 90,
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TAG_DEFINEFONT4 = 91,
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};
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#define TAG_LONG 0x100
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/* flags for shape definition */
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#define FLAG_MOVETO 0x01
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#define FLAG_SETFILL0 0x02
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#define FLAG_SETFILL1 0x04
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#define AUDIO_FIFO_SIZE 65536
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/* character id used */
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#define BITMAP_ID 0
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#define VIDEO_ID 0
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#define SHAPE_ID 1
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typedef struct SWFContext {
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int64_t duration_pos;
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int64_t tag_pos;
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int64_t vframes_pos;
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int samples_per_frame;
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int sound_samples;
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int swf_frame_number;
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int video_frame_number;
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int frame_rate;
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int tag;
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AVFifoBuffer *audio_fifo;
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AVCodecParameters *audio_par, *video_par;
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AVStream *video_st;
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#if CONFIG_ZLIB
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#define ZBUF_SIZE 4096
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AVIOContext *zpb;
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uint8_t *zbuf_in;
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uint8_t *zbuf_out;
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z_stream zstream;
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#endif
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} SWFContext;
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extern const AVCodecTag ff_swf_codec_tags[];
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#endif /* AVFORMAT_SWF_H */
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