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Ffmpeg learning - core module
2022-07-06 00:01:00 【Chen Xiaoshuai HH】
ffmpeg Library divided into 6 Library composition :
① libavformat : It is used to generate and analyze various audio and video packaging formats , Including obtaining the information required for encoding and decoding
Information to generate encoding and decoding context structure and read audio and video frames and other functions ;
②libavcodec : For all kinds of sounds / Image codec ;
③ libavutil : Contains some common utility functions ;
④libswscale : For video scene scaling 、 Color mapping conversion ;
⑤libavfilter: For post effect processing , For example, add watermark, etc ;
⑥libavdevice: For video source acquisition ;
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