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avcodec: clarify the CODEC_CAP_DELAY note in avcodec_decode_video2()
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@ -3865,8 +3865,9 @@ int avcodec_decode_audio3(AVCodecContext *avctx, int16_t *samples,
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*
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* In practice, avpkt->data should have 4 byte alignment at minimum.
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*
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* @note Some codecs have a delay between input and output, these need to be
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* fed with avpkt->data=NULL, avpkt->size=0 at the end to return the remaining frames.
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* @note Codecs which have the CODEC_CAP_DELAY capability set have a delay
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* between input and output, these need to be fed with avpkt->data=NULL,
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* avpkt->size=0 at the end to return the remaining frames.
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*
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* @param avctx the codec context
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* @param[out] picture The AVFrame in which the decoded video frame will be stored.
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