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libavformat/swf.h

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00001 /*
00002  * Flash Compatible Streaming Format common header.
00003  * Copyright (c) 2000 Fabrice Bellard
00004  * Copyright (c) 2003 Tinic Uro
00005  *
00006  * This file is part of FFmpeg.
00007  *
00008  * FFmpeg is free software; you can redistribute it and/or
00009  * modify it under the terms of the GNU Lesser General Public
00010  * License as published by the Free Software Foundation; either
00011  * version 2.1 of the License, or (at your option) any later version.
00012  *
00013  * FFmpeg is distributed in the hope that it will be useful,
00014  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00015  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00016  * Lesser General Public License for more details.
00017  *
00018  * You should have received a copy of the GNU Lesser General Public
00019  * License along with FFmpeg; if not, write to the Free Software
00020  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
00021  */
00022 
00023 #ifndef AVFORMAT_SWF_H
00024 #define AVFORMAT_SWF_H
00025 
00026 #include "libavutil/fifo.h"
00027 #include "avformat.h"
00028 #include "avio.h"
00029 #include "riff.h"    /* for CodecTag */
00030 
00031 /* should have a generic way to indicate probable size */
00032 #define DUMMY_FILE_SIZE   (100 * 1024 * 1024)
00033 #define DUMMY_DURATION    600 /* in seconds */
00034 
00035 #define TAG_END           0
00036 #define TAG_SHOWFRAME     1
00037 #define TAG_DEFINESHAPE   2
00038 #define TAG_FREECHARACTER 3
00039 #define TAG_PLACEOBJECT   4
00040 #define TAG_REMOVEOBJECT  5
00041 #define TAG_STREAMHEAD    18
00042 #define TAG_STREAMBLOCK   19
00043 #define TAG_JPEG2         21
00044 #define TAG_PLACEOBJECT2  26
00045 #define TAG_STREAMHEAD2   45
00046 #define TAG_VIDEOSTREAM   60
00047 #define TAG_VIDEOFRAME    61
00048 #define TAG_FILEATTRIBUTES 69
00049 
00050 #define TAG_LONG         0x100
00051 
00052 /* flags for shape definition */
00053 #define FLAG_MOVETO      0x01
00054 #define FLAG_SETFILL0    0x02
00055 #define FLAG_SETFILL1    0x04
00056 
00057 #define AUDIO_FIFO_SIZE 65536
00058 
00059 /* character id used */
00060 #define BITMAP_ID 0
00061 #define VIDEO_ID 0
00062 #define SHAPE_ID  1
00063 
00064 #undef NDEBUG
00065 #include <assert.h>
00066 
00067 typedef struct {
00068     int64_t duration_pos;
00069     int64_t tag_pos;
00070     int64_t vframes_pos;
00071     int samples_per_frame;
00072     int sound_samples;
00073     int swf_frame_number;
00074     int video_frame_number;
00075     int frame_rate;
00076     int tag;
00077     AVFifoBuffer *audio_fifo;
00078     AVCodecContext *audio_enc, *video_enc;
00079 } SWFContext;
00080 
00081 static const AVCodecTag swf_codec_tags[] = {
00082     {CODEC_ID_FLV1, 0x02},
00083     {CODEC_ID_VP6F, 0x04},
00084     {CODEC_ID_NONE,    0},
00085 };
00086 
00087 static const AVCodecTag swf_audio_codec_tags[] = {
00088     {CODEC_ID_PCM_S16LE,  0x00},
00089     {CODEC_ID_ADPCM_SWF,  0x01},
00090     {CODEC_ID_MP3,        0x02},
00091     {CODEC_ID_PCM_S16LE,  0x03},
00092   //{CODEC_ID_NELLYMOSER, 0x06},
00093     {CODEC_ID_NONE,          0},
00094 };
00095 
00096 #endif /* AVFORMAT_SWF_H */

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