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ff_get_buffer(): allocate the frame for max(coded,display) dimensions

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Needed e.g. for h264 cropping to work properly.
This commit is contained in:
Anton Khirnov
2013-02-18 16:29:03 +01:00
parent 505642f182
commit a7f46586bf
1 changed files with 13 additions and 5 deletions
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18
libavcodec/utils.c
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@@ -555,10 +555,8 @@ 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;
frame->width = FFMAX(avctx->width, avctx->coded_width);
frame->height = FFMAX(avctx->height, avctx->coded_height);
if (frame->format < 0)
frame->format = avctx->pix_fmt;
if (!frame->sample_aspect_ratio.num)
@@ -702,6 +700,9 @@ do { \
av_buffer_unref(&dummy_buf);
frame->width = avctx->width;
frame->height = avctx->height;
return 0;
fail:
@@ -712,7 +713,14 @@ fail:
}
#endif
return avctx->get_buffer2(avctx, frame, flags);
ret = avctx->get_buffer2(avctx, frame, flags);
if (avctx->codec_type == AVMEDIA_TYPE_VIDEO) {
frame->width = avctx->width;
frame->height = avctx->height;
}
return ret;
}
int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame)