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| author | Hendrik Leppkes <h.leppkes@gmail.com> | 2017-08-21 15:04:59 +0300 |
|---|---|---|
| committer | Hendrik Leppkes <h.leppkes@gmail.com> | 2017-08-21 15:04:59 +0300 |
| commit | c8231a5013ae186c500bc73dde847f17e50106a7 (patch) | |
| tree | 9cd2613b0679f9b052b7ba2b5563b3dfe1955703 | |
| parent | 999b2c5f328c0480de09c22ce83c3b9642ef85ef (diff) | |
Limit the number of buffers for VC1 DXVA/D3D11 decoding
Decoding can otherwise flicker/fail
| -rw-r--r-- | decoder/LAVVideo/decoders/d3d11va.cpp | 4 | ||||
| -rw-r--r-- | decoder/LAVVideo/decoders/dxva2dec.cpp | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/decoder/LAVVideo/decoders/d3d11va.cpp b/decoder/LAVVideo/decoders/d3d11va.cpp index 6e524bcc..3fd51da4 100644 --- a/decoder/LAVVideo/decoders/d3d11va.cpp +++ b/decoder/LAVVideo/decoders/d3d11va.cpp @@ -538,6 +538,10 @@ STDMETHODIMP_(long) CDecD3D11::GetBufferCount(long *pMaxBuffers) { // cap at 127, because it needs to fit into the 7-bit DXVA structs *pMaxBuffers = 127; + + // VC-1 decoding has stricter requirements (decoding flickers otherwise) + if (m_nCodecId == AV_CODEC_ID_VC1) + *pMaxBuffers = 32; } return buffers; diff --git a/decoder/LAVVideo/decoders/dxva2dec.cpp b/decoder/LAVVideo/decoders/dxva2dec.cpp index dcb5ba39..a742f1cb 100644 --- a/decoder/LAVVideo/decoders/dxva2dec.cpp +++ b/decoder/LAVVideo/decoders/dxva2dec.cpp @@ -998,6 +998,10 @@ STDMETHODIMP_(long) CDecDXVA2::GetBufferCount(long *pMaxBuffers) { // cap at 127, because it needs to fit into the 7-bit DXVA structs *pMaxBuffers = 127; + + // VC-1 decoding has stricter requirements (decoding flickers otherwise) + if (m_nCodecId == AV_CODEC_ID_VC1) + *pMaxBuffers = 32; } return buffers; |