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avcodec/cuvid: Check for non 420 chroma formats - they aren't supported

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Despite the video parser seeming to correctly handle 422 and 444
chroma formats, the video decoder fails miserably to actually
decode frames - even though no errors are ever returned; you just
get frames showing unintialized garbage.

Signed-off-by: Philip Langdale <philipl@overt.org>
Signed-off-by: Timo Rothenpieler <timo@rothenpieler.org>
This commit is contained in:
Philip Langdale
2016-09-14 19:56:08 -07:00
committed by Timo Rothenpieler
parent 8a06669702
commit ee88dcb2b0
1 changed files with 6 additions and 0 deletions
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6
libavcodec/cuvid.c
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@@ -137,6 +137,12 @@ static int CUDAAPI cuvid_handle_video_sequence(void *opaque, CUVIDEOFORMAT* form
return 0; return 0;
} }
if (format->chroma_format != cudaVideoChromaFormat_420) {
av_log(avctx, AV_LOG_ERROR, "Chroma formats other than 420 are not supported\n");
ctx->internal_error = AVERROR(EINVAL);
return 0;
}
avctx->coded_width = format->coded_width; avctx->coded_width = format->coded_width;
avctx->coded_height = format->coded_height; avctx->coded_height = format->coded_height;