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Code Issues Releases Activity

lavc: set frame parameters after decoding only if necessary

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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.
This commit is contained in:
Janne Grunau 2012-12-12 16:36:20 +01:00
parent 072be3e896
commit bd255f9feb
1 changed files with 8 additions and 5 deletions
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13
libavcodec/utils.c
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@ -1282,11 +1282,14 @@ int attribute_align_arg avcodec_decode_video2(AVCodecContext *avctx, AVFrame *pi
else {
ret = avctx->codec->decode(avctx, picture, got_picture_ptr,
avpkt);
picture->pkt_dts = avpkt->dts;
picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
picture->width = avctx->width;
picture->height = avctx->height;
picture->format = avctx->pix_fmt;
picture->pkt_dts = avpkt->dts;
/* get_buffer is supposed to set frame parameters */
if (!(avctx->codec->capabilities & CODEC_CAP_DR1)) {
picture->sample_aspect_ratio = avctx->sample_aspect_ratio;
picture->width = avctx->width;
picture->height = avctx->height;
picture->format = avctx->pix_fmt;
}
}
emms_c(); //needed to avoid an emms_c() call before every return;