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- typedef?struct?AVFormatContext?{??
- ????struct?AVInputFormat?*iformat;??
- ????void?*priv_data;??
- ??????
- ????ByteIOContext?*pb;??
- ????unsigned?int?nb_streams;??
- ????AVStream?*streams[MAX_STREAMS];??
- }?AVFormatContext;??
- ??
- ??
- struct?AVStream?{??
- ????int?index;????/**<?stream?index?in?AVFormatContext?*/??
- ????int?id;???????/**<?format-specific?stream?ID?*/??
- ????AVCodecContext?*codec;?/**<?codec?context?*/??
- ????AVRational?time_base;??
- struct?AVCodecParserContext?*parser;??
- }?AVStream;??
- struct?AVCodecContext?{??
- ????uint8_t?*extradata;??
- int?extradata_size;??
- ????AVRational?time_base;??
- int?width,?height;??
- enum?PixelFormat?pix_fmt;??
- ????/*?audio?only?*/??
- int?sample_rate;?///<?samples?per?second??
- int?channels;????///<?number?of?audio?channels??
- char?codec_name[32];??
- enum?CodecType?codec_type;?/*?see?CODEC_TYPE_xxx?*/??
- enum?CodecID?codec_id;?/*?see?CODEC_ID_xxx?*/??
- ????unsigned?int?codec_tag;??
- ????struct?AVCodec?*codec;??
- void?*priv_data;??
- }?AVCodecContext;??
- AVCodec?{??
- int?(*init)(AVCodecContext?*);??
- int?(*encode)(AVCodecContext?*,?uint8_t?*buf,?int?buf_size,?void?*data);??
- int?(*close)(AVCodecContext?*);??
- int?(*decode)(AVCodecContext?*,153); font-weight:bold; background-color:inherit”>void?*outdata,87); font-weight:bold; background-color:inherit”>int?*outdata_size,??
- ??????????????????const?uint8_t?*buf,87); font-weight:bold; background-color:inherit”>int?buf_size);??
- }??
http://blog.csdn.net/mydeardingxiaoli/article/details/17168899
