From 3b35f4ab51b8b720491ff5c9b4e86e2de8ebce07 Mon Sep 17 00:00:00 2001 From: Baptiste Coudurier Date: Tue, 20 May 2008 23:31:10 +0000 Subject: split swf de/muxer Originally committed as revision 13203 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavformat/swf.h | 99 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 libavformat/swf.h (limited to 'libavformat/swf.h') diff --git a/libavformat/swf.h b/libavformat/swf.h new file mode 100644 index 0000000000..1b9b7fff35 --- /dev/null +++ b/libavformat/swf.h @@ -0,0 +1,99 @@ +/* + * 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 FFMPEG_SWF_H +#define FFMPEG_SWF_H + +#include "avformat.h" +#include "riff.h" /* for CodecTag */ + +/* should have a generic way to indicate probable size */ +#define DUMMY_FILE_SIZE (100 * 1024 * 1024) +#define DUMMY_DURATION 600 /* in seconds */ + +#define TAG_END 0 +#define TAG_SHOWFRAME 1 +#define TAG_DEFINESHAPE 2 +#define TAG_FREECHARACTER 3 +#define TAG_PLACEOBJECT 4 +#define TAG_REMOVEOBJECT 5 +#define TAG_STREAMHEAD 18 +#define TAG_STREAMBLOCK 19 +#define TAG_JPEG2 21 +#define TAG_PLACEOBJECT2 26 +#define TAG_STREAMHEAD2 45 +#define TAG_VIDEOSTREAM 60 +#define TAG_VIDEOFRAME 61 +#define TAG_FILEATTRIBUTES 69 + +#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 + +#undef NDEBUG +#include + +typedef struct { + int audio_stream_index; + offset_t duration_pos; + offset_t tag_pos; + + int samples_per_frame; + int sound_samples; + int swf_frame_number; + int video_frame_number; + int frame_rate; + int tag; + + uint8_t audio_fifo[AUDIO_FIFO_SIZE]; + int audio_in_pos; + + int video_type; + int audio_type; +} SWFContext; + +static const AVCodecTag swf_codec_tags[] = { + {CODEC_ID_FLV1, 0x02}, + {CODEC_ID_VP6F, 0x04}, + {0, 0}, +}; + +static const AVCodecTag swf_audio_codec_tags[] = { + {CODEC_ID_PCM_S16LE, 0x00}, + {CODEC_ID_ADPCM_SWF, 0x01}, + {CODEC_ID_MP3, 0x02}, + {CODEC_ID_PCM_S16LE, 0x03}, + //{CODEC_ID_NELLYMOSER, 0x06}, + {0, 0}, +}; + +#endif /* FFMPEG_SWF_H */ -- cgit v1.2.3