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FFmpegAndroid/doc/FFmpeg_sourcecode.md

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# 前言
FFmpeg是一个跨平台的多媒体库,也是目前音视频领域应用最广泛的库。包括libavcodec、libavformat、libavutil、</br>
libavdevice、libavfilter、libswscale、libswresample、libpostproc等模块。其中avcodec用于编解码,</br>
avformat用于解封装,avutil是提供工具类,avdevice用于各平台的设备接入,avfilter提供滤镜操作,</br>
swscale提供图像缩放与像素格式转换,swresample提供音频重采样,postproc提供高级处理。</br>
在这里,按照每个模块功能进行分析,如有错漏不当之处,敬请指出。</br>
### 1:AVIOContext、IO模型与协议
[AVIOContext结构体](https://blog.csdn.net/u011686167/article/details/121452343)
### 2:AVFormatContext连接FFmpeg的桥梁
[AVFormatContext](https://blog.csdn.net/u011686167/article/details/121483584)
### 3:AVCodecContext编解码器上下文
[AVCodecContext](https://blog.csdn.net/u011686167/article/details/121506335)
### 4:AVStream码流
[码流数组](https://blog.csdn.net/u011686167/article/details/121528354)
### 5:AVFrame与AVPacket
[AVFrame与AVPacket](https://blog.csdn.net/u011686167/article/details/121551041)
### 6:avformat_open_input()打开媒体流
[打开媒体流](https://blog.csdn.net/u011686167/article/details/121578185)
### 7:avformat_find_stream_info分析码流信息
[分析码流信息](https://blog.csdn.net/u011686167/article/details/121630969)
### 8:av_read_frame()读取音视频帧
[读取音视频帧](https://blog.csdn.net/u011686167/article/details/121642861)
### 9:av_parser_parse2()解析数据包
[解析数据包](https://blog.csdn.net/u011686167/article/details/121667755)
### 10:av_register_all()注册封装器与解封装器
[注册封装器与解封装器](https://blog.csdn.net/u011686167/article/details/121691245)
### 11:avdevice_register_all()注册设备
[注册设备](https://blog.csdn.net/u011686167/article/details/121716973)
### 12:avfilter_register_all()注册AVFilter
[注册AVFilter](https://blog.csdn.net/u011686167/article/details/121721099)
### 13:avcodec_register_all()注册编解码器
[注册编解码器](https://blog.csdn.net/u011686167/article/details/121723790)
### 14:avcodec_find_decoder()查找编解码器
[查找编解码器](https://blog.csdn.net/u011686167/article/details/121726609)
### 15:log日志系统分析
[log日志系统](https://blog.csdn.net/u011686167/article/details/121758769)