STDMETHODIMP CDecDXVA2::InitDecoder(AVCodecID codec, const CMediaType *pmt)
{
HRESULT hr = S_OK;
DbgLog((LOG_TRACE, 10, L"CDecDXVA2::InitDecoder(): Initializing DXVA2 decoder"));
DestroyDecoder(false);
m_DisplayDelay = DXVA2_QUEUE_SURFACES;
// Reduce display delay for DVD decoding for lower decode latency
if (m_pCallback->GetDecodeFlags() & LAV_VIDEO_DEC_FLAG_DVD)
m_DisplayDelay /= 2;
// If we have a DXVA Decoder, check if its capable
// If we don't have one yet, it may be handed to us later, and compat is checked at that point
GUID input = GUID_NULL;
if (m_pDXVADecoderService) {
D3DFORMAT output;
hr = FindVideoServiceConversion(codec, &input, &output);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> No decoder device available that can decode codec '%S' to NV12", avcodec_get_name(codec)));
return E_FAIL;
}
}
m_bFailHWDecode = FALSE;
DbgLog((LOG_TRACE, 10, L"-> Creation of DXVA2 decoder successfull, initializing ffmpeg"));
hr = CDecAvcodec::InitDecoder(codec, pmt);
if (FAILED(hr)) {
return hr;
}
if (((codec == AV_CODEC_ID_H264 || codec == AV_CODEC_ID_MPEG2VIDEO) && m_pAVCtx->pix_fmt != AV_PIX_FMT_YUV420P && m_pAVCtx->pix_fmt != AV_PIX_FMT_YUVJ420P && m_pAVCtx->pix_fmt != AV_PIX_FMT_DXVA2_VLD && m_pAVCtx->pix_fmt != AV_PIX_FMT_NONE)
|| (codec == AV_CODEC_ID_H264 && m_pAVCtx->profile != FF_PROFILE_UNKNOWN && !H264_CHECK_PROFILE(m_pAVCtx->profile))) {
DbgLog((LOG_TRACE, 10, L"-> Incompatible profile detected, falling back to software decoding"));
return E_FAIL;
}
m_dwSurfaceWidth = FFALIGN(m_pAVCtx->coded_width, 16);
m_dwSurfaceHeight = FFALIGN(m_pAVCtx->coded_height, 16);
if (FAILED(CheckHWCompatConditions(input))) {
return E_FAIL;
}
return S_OK;
}
/**
* Called from both native and non-native mode
* Initialize all the common DXVA2 interfaces and device handles
*/
HRESULT CDecDXVA2::SetD3DDeviceManager(IDirect3DDeviceManager9 *pDevManager)
{
HRESULT hr = S_OK;
ASSERT(pDevManager);
m_pD3DDevMngr = pDevManager;
RetrieveVendorId(pDevManager);
// This should really be null here, but since we're overwriting it, make sure its actually released
SafeRelease(&m_pDXVADecoderService);
hr = CreateDXVAVideoService(m_pD3DDevMngr, &m_pDXVADecoderService);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Creation of DXVA2 Decoder Service failed with hr: %X", hr));
goto done;
}
// If the decoder was initialized already, check if we can use this device
if (m_pAVCtx) {
DbgLog((LOG_TRACE, 10, L"-> Checking hardware for format support..."));
GUID input = GUID_NULL;
D3DFORMAT output;
hr = FindVideoServiceConversion(m_pAVCtx->codec_id, &input, &output);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> No decoder device available that can decode codec '%S' to NV12", avcodec_get_name(m_pAVCtx->codec_id)));
goto done;
}
if (FAILED(CheckHWCompatConditions(input))) {
hr = E_FAIL;
goto done;
}
DXVA2_VideoDesc desc;
ZeroMemory(&desc, sizeof(desc));
desc.SampleWidth = m_pAVCtx->coded_width;
desc.SampleHeight = m_pAVCtx->coded_height;
desc.Format = output;
DXVA2_ConfigPictureDecode config;
hr = FindDecoderConfiguration(input, &desc, &config);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> No decoder configuration available for codec '%S'", avcodec_get_name(m_pAVCtx->codec_id)));
goto done;
}
LPDIRECT3DSURFACE9 pSurfaces[DXVA2_MAX_SURFACES] = {0};
UINT numSurfaces = max(config.ConfigMinRenderTargetBuffCount, 1);
hr = m_pDXVADecoderService->CreateSurface(m_dwSurfaceWidth, m_dwSurfaceHeight, numSurfaces, output, D3DPOOL_DEFAULT, 0, DXVA2_VideoDecoderRenderTarget, pSurfaces, NULL);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Creation of surfaces failed with hr: %X", hr));
goto done;
}
IDirectXVideoDecoder *decoder = NULL;
hr = m_pDXVADecoderService->CreateVideoDecoder(input, &desc, &config, pSurfaces, numSurfaces, &decoder);
// Release resources, decoder and surfaces
SafeRelease(&decoder);
int i = DXVA2_MAX_SURFACES;
while (i > 0) {
SafeRelease(&pSurfaces[--i]);
}
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> Creation of decoder failed with hr: %X", hr));
goto done;
}
}
done:
return hr;
}
STDMETHODIMP CDecDXVA2::InitDecoder(AVCodecID codec, const CMediaType *pmt)
{
HRESULT hr = S_OK;
DbgLog((LOG_TRACE, 10, L"CDecDXVA2::InitDecoder(): Initializing DXVA2 decoder"));
// Hack-ish check to avoid re-creating the full decoder when only the aspect ratio changes.
// Re-creating the DXVA2 decoder can lead to issues like missing frames or a several second delay
if (m_pDecoder) {
CMediaType mediaTypeCheck = m_MediaType;
if (mediaTypeCheck.formattype == FORMAT_VideoInfo2 && pmt->formattype == FORMAT_VideoInfo2) {
VIDEOINFOHEADER2 *vih2Old = (VIDEOINFOHEADER2 *)mediaTypeCheck.Format();
VIDEOINFOHEADER2 *vih2New = (VIDEOINFOHEADER2 *)pmt->Format();
vih2Old->dwPictAspectRatioX = vih2New->dwPictAspectRatioX;
vih2Old->dwPictAspectRatioY = vih2New->dwPictAspectRatioY;
if (mediaTypeCheck == *pmt) {
DbgLog((LOG_TRACE, 10, L"-> Skipping re-init because media type is unchanged."));
m_MediaType = *pmt;
return S_OK;
}
}
}
DestroyDecoder(false);
m_DisplayDelay = DXVA2_QUEUE_SURFACES;
// Intel GPUs don't like the display and performance goes way down, so disable it.
if (m_dwVendorId == VEND_ID_INTEL)
m_DisplayDelay = 0;
// Reduce display delay for DVD decoding for lower decode latency
if (m_pCallback->GetDecodeFlags() & LAV_VIDEO_DEC_FLAG_DVD)
m_DisplayDelay /= 2;
// If we have a DXVA Decoder, check if its capable
// If we don't have one yet, it may be handed to us later, and compat is checked at that point
GUID input = GUID_NULL;
if (m_pDXVADecoderService) {
D3DFORMAT output;
hr = FindVideoServiceConversion(codec, &input, &output);
if (FAILED(hr)) {
DbgLog((LOG_TRACE, 10, L"-> No decoder device available that can decode codec '%S' to NV12", avcodec_get_name(codec)));
return E_FAIL;
}
}
m_bFailHWDecode = FALSE;
DbgLog((LOG_TRACE, 10, L"-> Creation of DXVA2 decoder successfull, initializing ffmpeg"));
hr = CDecAvcodec::InitDecoder(codec, pmt);
if (FAILED(hr)) {
return hr;
}
if (((codec == AV_CODEC_ID_H264 || codec == AV_CODEC_ID_MPEG2VIDEO || codec == AV_CODEC_ID_HEVC) && m_pAVCtx->pix_fmt != AV_PIX_FMT_YUV420P && m_pAVCtx->pix_fmt != AV_PIX_FMT_YUVJ420P && m_pAVCtx->pix_fmt != AV_PIX_FMT_DXVA2_VLD && m_pAVCtx->pix_fmt != AV_PIX_FMT_NONE)
|| (codec == AV_CODEC_ID_H264 && m_pAVCtx->profile != FF_PROFILE_UNKNOWN && !H264_CHECK_PROFILE(m_pAVCtx->profile))
|| ((codec == AV_CODEC_ID_WMV3 || codec == AV_CODEC_ID_VC1) && m_pAVCtx->profile == FF_PROFILE_VC1_COMPLEX)
|| (codec == AV_CODEC_ID_HEVC && !HEVC_CHECK_PROFILE(m_pAVCtx->profile))) {
DbgLog((LOG_TRACE, 10, L"-> Incompatible profile detected, falling back to software decoding"));
return E_FAIL;
}
m_dwSurfaceWidth = GetAlignedDimension(m_pAVCtx->coded_width);
m_dwSurfaceHeight = GetAlignedDimension(m_pAVCtx->coded_height);
if (FAILED(CheckHWCompatConditions(input))) {
return E_FAIL;
}
m_MediaType = *pmt;
return S_OK;
}
