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 "libavutil/fifo.h"
  27 #include "avformat.h"
  28 #include "avio.h"
  29 #include "riff.h"    /* for CodecTag */
  30
  31 /* should have a generic way to indicate probable size */
  32 #define DUMMY_FILE_SIZE   (100 * 1024 * 1024)
  33 #define DUMMY_DURATION    600 /* in seconds */
  34
  35 #define TAG_END           0
  36 #define TAG_SHOWFRAME     1
  37 #define TAG_DEFINESHAPE   2
  38 #define TAG_FREECHARACTER 3
  39 #define TAG_PLACEOBJECT   4
  40 #define TAG_REMOVEOBJECT  5
  41 #define TAG_STREAMHEAD    18
  42 #define TAG_STREAMBLOCK   19
  43 #define TAG_JPEG2         21
  44 #define TAG_PLACEOBJECT2  26
  45 #define TAG_STREAMHEAD2   45
  46 #define TAG_VIDEOSTREAM   60
  47 #define TAG_VIDEOFRAME    61
  48 #define TAG_FILEATTRIBUTES 69
  49
  50 #define TAG_LONG         0x100
  51
  52 /* flags for shape definition */
  53 #define FLAG_MOVETO      0x01
  54 #define FLAG_SETFILL0    0x02
  55 #define FLAG_SETFILL1    0x04
  56
  57 #define AUDIO_FIFO_SIZE 65536
  58
  59 /* character id used */
  60 #define BITMAP_ID 0
  61 #define VIDEO_ID 0
  62 #define SHAPE_ID  1
  63
  64 #undef NDEBUG
  65 #include <assert.h>
  66
  67 typedef struct {
  68     int64_t duration_pos;
  69     int64_t tag_pos;
  70     int64_t vframes_pos;
  71     int samples_per_frame;
  72     int sound_samples;
  73     int swf_frame_number;
  74     int video_frame_number;
  75     int frame_rate;
  76     int tag;
  77     AVFifoBuffer *audio_fifo;
  78     AVCodecContext *audio_enc, *video_enc;
  79 } SWFContext;
  80
  81 static const AVCodecTag swf_codec_tags[] = {
  82     {CODEC_ID_FLV1, 0x02},
  83     {CODEC_ID_VP6F, 0x04},
  84     {0, 0},
  85 };
  86
  87 static const AVCodecTag swf_audio_codec_tags[] = {
  88     {CODEC_ID_PCM_S16LE,  0x00},
  89     {CODEC_ID_ADPCM_SWF,  0x01},
  90     {CODEC_ID_MP3,        0x02},
  91     {CODEC_ID_PCM_S16LE,  0x03},
  92   //{CODEC_ID_NELLYMOSER, 0x06},
  93     {0, 0},
  94 };
  95
  96 #endif /* AVFORMAT_SWF_H */