lavc: set frame parameters after decoding only if necessary
Direct rendering capable decoders call get_buffer() which will set the frame parameters. Prevents frames with wrong parameters when a decoder outputs delayed frames after a resolution or pixel format change.
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1 changed files with 8 additions and 5 deletions
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@ -1282,11 +1282,14 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
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else {
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else {
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ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
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ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
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avpkt);
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avpkt);
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picture->pkt_dts = avpkt->dts;
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picture->pkt_dts = avpkt->dts;
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picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
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/* get_buffer is supposed to set frame parameters */
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picture->width = avctx->width;
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if (!(avctx->codec->capabilities & CODEC_CAP_DR1)) {
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picture->height = avctx->height;
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picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
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picture->format = avctx->pix_fmt;
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picture->width = avctx->width;
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picture->height = avctx->height;
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picture->format = avctx->pix_fmt;
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}
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}
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}
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emms_c(); //needed to avoid an emms_c() call before every return;
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emms_c(); //needed to avoid an emms_c() call before every return;
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