sws_scale():bad dst image pointers

简介: sws_scale():bad dst image pointers

两种原因:

(1)为给接收数据分配内存空间,此空间并不仅不是结构空间,还有存储音/视频数据的空间。可用如下api分配空间:

av_frame_get_buffer(frame, 32);

详细用法,及AVFrame的内存管理见:

AVFrame相关api

(2)与sws_getContext参数设置不一致。


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