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Low latency mode in VPL session open #17

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56 changes: 16 additions & 40 deletions tools/cli/vpl-import-export/src/util.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -232,8 +232,7 @@ mfxStatus VPLSession::Open(std::list<SurfaceCaps> *surfaceCapsList) {

mfxStatus sts = MFX_ERR_NONE;

// variables used only in 2.x version
mfxConfig cfg[4];
mfxConfig cfg[5];

mfxVariant cfgVal = {};
cfgVal.Version.Version = MFX_VARIANT_VERSION;
Expand All @@ -251,60 +250,37 @@ mfxStatus VPLSession::Open(std::list<SurfaceCaps> *surfaceCapsList) {
sts = MFXSetConfigFilterProperty(cfg[0], (mfxU8 *)"mfxImplDescription.Impl", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for Impl");

// Implementation must provide an HEVC decoder
cfg[1] = MFXCreateConfig(m_loader);
VERIFY2(NULL != cfg[1], "MFXCreateConfig failed");
cfgVal.Type = MFX_VARIANT_TYPE_U32;
cfgVal.Data.U32 = MFX_CODEC_HEVC;
sts = MFXSetConfigFilterProperty(cfg[1], (mfxU8 *)"mfxImplDescription.mfxDecoderDescription.decoder.CodecID", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for decoder CodecID");
cfgVal.Type = MFX_VARIANT_TYPE_PTR;
cfgVal.Data.Ptr = (mfxHDL)"mfx-gen";
sts = MFXSetConfigFilterProperty(cfg[1], (mfxU8 *)"mfxImplDescription.ImplName", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for ImplName");

// Implementation used must have VPP scaling capability
cfg[2] = MFXCreateConfig(m_loader);
VERIFY2(NULL != cfg[2], "MFXCreateConfig failed");
cfgVal.Type = MFX_VARIANT_TYPE_U32;
cfgVal.Data.U32 = MFX_EXTBUFF_VPP_SCALING;
sts = MFXSetConfigFilterProperty(cfg[2], (mfxU8 *)"mfxImplDescription.mfxVPPDescription.filter.FilterFourCC", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for VPP scale");
cfgVal.Data.U32 = 0x8086;
sts = MFXSetConfigFilterProperty(cfg[2], (mfxU8 *)"mfxImplDescription.VendorID", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for VendorID");

// Implementation used must provide API version 2.9 or newer
cfg[3] = MFXCreateConfig(m_loader);
VERIFY2(NULL != cfg[3], "MFXCreateConfig failed");
cfgVal.Type = MFX_VARIANT_TYPE_U32;
cfgVal.Data.U32 = MFX_ACCEL_MODE_VIA_D3D11;
sts = MFXSetConfigFilterProperty(cfg[3], (mfxU8 *)"mfxImplDescription.AccelerationMode", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for AccelerationMode");

cfg[4] = MFXCreateConfig(m_loader);
VERIFY2(NULL != cfg[4], "MFXCreateConfig failed");
cfgVal.Type = MFX_VARIANT_TYPE_U32;
cfgVal.Data.U32 = VPLVERSION(MAJOR_API_VERSION_REQUIRED, MINOR_API_VERSION_REQUIRED);
sts = MFXSetConfigFilterProperty(cfg[3], (mfxU8 *)"mfxImplDescription.ApiVersion.Version", cfgVal);
sts = MFXSetConfigFilterProperty(cfg[4], (mfxU8 *)"mfxImplDescription.ApiVersion.Version", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for API version");

// Add filters for required surface sharing capabilities
for (auto surfaceCaps : *surfaceCapsList) {
mfxConfig cfgSS = MFXCreateConfig(m_loader);
VERIFY2(NULL != cfgSS, "MFXCreateConfig failed");

cfgVal.Type = MFX_VARIANT_TYPE_U32;
cfgVal.Data.U32 = surfaceCaps.SurfaceType;
sts = MFXSetConfigFilterProperty(cfgSS, (mfxU8 *)"mfxSurfaceTypesSupported.surftype.SurfaceType", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for SurfaceType");

cfgVal.Type = MFX_VARIANT_TYPE_U32;
cfgVal.Data.U32 = surfaceCaps.SurfaceComponent;
sts = MFXSetConfigFilterProperty(cfgSS, (mfxU8 *)"mfxSurfaceTypesSupported.surftype.surfcomp.SurfaceComponent", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for SurfaceType");

cfgVal.Type = MFX_VARIANT_TYPE_U32;
cfgVal.Data.U32 = surfaceCaps.SurfaceFlags;
sts = MFXSetConfigFilterProperty(cfgSS, (mfxU8 *)"mfxSurfaceTypesSupported.surftype.surfcomp.SurfaceFlags", cfgVal);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXSetConfigFilterProperty failed for SurfaceType");
}

mfxHDL idesc_path;
sts = MFXEnumImplementations(m_loader, 0, MFX_IMPLCAPS_IMPLPATH, &idesc_path);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: MFXEnumImplementations failed for implpath");

sts = MFXCreateSession(m_loader, 0, &m_session);
VERIFY2(MFX_ERR_NONE == sts, "ERROR: cannot create session -- no implementations meet selection criteria");

printf("Created session with library: %s\n", (char *)idesc_path);

return MFX_ERR_NONE;
}

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