Although cuvid can only output 8bit, it can consume HEVC Main10 if
the bit depth is set properly. In cases where >8bit is not supported,
this change is still beneficial as the decoder will fail to be
created instead of plowing throw and decoding as 8bit.
Signed-off-by: Philip Langdale <phil...@overt.org>
---
libavcodec/cuvid.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/cuvid.c b/libavcodec/cuvid.c
index 2570848..ddf8b72 100644
--- a/libavcodec/cuvid.c
+++ b/libavcodec/cuvid.c
@@ -181,6 +181,7 @@ static int CUDAAPI cuvid_handle_video_sequence(void
*opaque, CUVIDEOFORMAT* form
cuinfo.ulNumDecodeSurfaces = MAX_FRAME_COUNT;
cuinfo.ulNumOutputSurfaces = 1;
cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID;
+ cuinfo.bitDepthMinus8 = format->bit_depth_luma_minus8;
if (format->progressive_sequence) {
ctx->deint_mode = cuinfo.DeinterlaceMode =
cudaVideoDeinterlaceMode_Weave;
@@ -573,6 +574,7 @@ static int cuvid_test_dummy_decoder(AVCodecContext *avctx,
CUVIDPARSERPARAMS *cu
cuinfo.ulNumDecodeSurfaces = MAX_FRAME_COUNT;
cuinfo.ulNumOutputSurfaces = 1;
cuinfo.ulCreationFlags = cudaVideoCreate_PreferCUVID;
+ cuinfo.bitDepthMinus8 = 0;
cuinfo.DeinterlaceMode = cudaVideoDeinterlaceMode_Weave;
--
2.7.4
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