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use avcodec_free_context instead avcodec_close #1667

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@ai0376 ai0376 commented Dec 7, 2020

Description

int avcodec_close ( AVCodecContext * avctx )

Close a given AVCodecContext and free all the data associated with it (but not the AVCodecContext itself).
Calling this function on an AVCodecContext that hasn't been opened will free the codec-specific data allocated in avcodec_alloc_context3() with a non-NULL codec. Subsequent calls will do nothing.

Note
Do not use this function. Use avcodec_free_context() to destroy a codec context (either open or closed). Opening and closing a codec context multiple times is not supported anymore – use multiple codec contexts instead.

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