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lavc: allow decoders to override frame parameters.

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This commit is contained in:
Anton Khirnov 2013-02-11 08:09:02 +01:00
parent 3b199d29cd
commit 15ec0450b4
1 changed files with 14 additions and 7 deletions
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7
libavcodec/utils.c
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@ -552,17 +552,24 @@ int ff_get_buffer(AVCodecContext *avctx, AVFrame *frame, int flags)
switch (avctx->codec_type) {
case AVMEDIA_TYPE_VIDEO:
if (!frame->width)
frame->width = avctx->width;
if (!frame->height)
frame->height = avctx->height;
if (frame->format < 0)
frame->format = avctx->pix_fmt;
if (!frame->sample_aspect_ratio.num)
frame->sample_aspect_ratio = avctx->sample_aspect_ratio;
if ((ret = av_image_check_size(avctx->width, avctx->height, 0, avctx)) < 0)
return ret;
break;
case AVMEDIA_TYPE_AUDIO:
if (!frame->sample_rate)
frame->sample_rate = avctx->sample_rate;
if (frame->format < 0)
frame->format = avctx->sample_fmt;
if (!frame->channel_layout)
frame->channel_layout = avctx->channel_layout;
break;
default: return AVERROR(EINVAL);