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Cannot find LA ENC plugin

Hi,

I am trying to use LA_EXT in Windows10 with KabyLake i5-7500 platform for both h264 and hevc encoding, but it failed. Media SDK Version is 2017R1.

mediasdk_release_notes.pdf says HEVC encode supports MFX_RATECONTROL_LA_EXT with lookahead plugin in page 12.

 

Par file:

la_ext_264.par:

-i::h264 test.264 -o::sink -gop_size 33 -dist 4 -num_ref 2 -u 4 -la_ext -lad 33 -async 50
-i::source -o::h264 output.264 -gop_size 33 -dist 4 -num_ref 2 -u 4 -la_ext -lad 33 -w 1920 -h 1080 -async 50

la_ext_265.par:

-i::h264 test.264 -o::sink -gop_size 33 -dist 4 -num_ref 2 -u 4 -la_ext -lad 33 -async 50
-i::source -o::h265 output.265 -gop_size 33 -dist 4 -num_ref 2 -u 4 -la_ext -lad 33 -w 1920 -h 1080 -async 50

 

Below is my command line:

C:\Users\gc\Documents\Samples for Intel(R) Media SDK 2017 for Windows 8.0.24.271\_build\x64\Release>sample_multi_transcode.exe -par la_ext_264.par
Multi Transcoding Sample Version 8.0.24.0

Par file is: la_ext_264.par

plugin_loader.h :166 [ERROR] Failed to load plugin from GUID, sts=-9: { 0x58, 0x8f, 0x11, 0x85, 0xd4, 0x7b, 0x42, 0x96, 0x8d, 0xea, 0x37, 0x7b, 0xb5, 0xd0, 0xdc, 0xb4 } (Intel (R) Media SDK plugin for LA ENC)
MFX HARDWARE Session 0 API ver 1.25 parameters:
Input  video: AVC
Output video: To child session
MFX dll: C:\Program Files\Intel\Media SDK\libmfxhw64.dll

MFX HARDWARE Session 1 API ver 1.25 parameters:
Input  video: From parent session
Output video: AVC
MFX dll: C:\Program Files\Intel\Media SDK\libmfxhw64.dll


[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), TranscodingSample::CTranscodingPipeline::CalculateNumberOfReqFrames, m_pmfxPreENC.get()->QueryIOSurf failed at src\pipeline_transcode.cpp:2895

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), TranscodingSample::CTranscodingPipeline::AllocFrames, CalculateNumberOfReqFrames failed at src\pipeline_transcode.cpp:2727

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), TranscodingSample::CTranscodingPipeline::CompleteInit, AllocFrames failed at src\pipeline_transcode.cpp:3378

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), TranscodingSample::Launcher::Init, m_pSessionArray->pPipeline->CompleteInit failed at src\sample_multi_transcode.cpp:369

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), wmain, transcode.Init failed at src\sample_multi_transcode.cpp:750

C:\Users\gc\Documents\Samples for Intel(R) Media SDK 2017 for Windows 8.0.24.271\_build\x64\Release>sample_multi_transcode.exe -par la_ext_265.par
Multi Transcoding Sample Version 8.0.24.0

Par file is: la_ext_265.par

plugin_loader.h :166 [ERROR] Failed to load plugin from GUID, sts=-9: { 0x58, 0x8f, 0x11, 0x85, 0xd4, 0x7b, 0x42, 0x96, 0x8d, 0xea, 0x37, 0x7b, 0xb5, 0xd0, 0xdc, 0xb4 } (Intel (R) Media SDK plugin for LA ENC)
MFX HARDWARE Session 0 API ver 1.25 parameters:
Input  video: AVC
Output video: To child session
MFX dll: C:\Program Files\Intel\Media SDK\libmfxhw64.dll

plugin_loader.h :170 [INFO] Plugin was loaded from GUID: { 0x6f, 0xad, 0xc7, 0x91, 0xa0, 0xc2, 0xeb, 0x47, 0x9a, 0xb6, 0xdc, 0xd5, 0xea, 0x9d, 0xa3, 0x47 } (Intel (R) Media SDK HW plugin for HEVC ENCODE)
MFX HARDWARE Session 1 API ver 1.25 parameters:
Input  video: From parent session
Output video: HEVC
MFX dll: C:\Program Files\Intel\Media SDK\libmfxhw64.dll


[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), TranscodingSample::CTranscodingPipeline::CalculateNumberOfReqFrames, m_pmfxPreENC.get()->QueryIOSurf failed at src\pipeline_transcode.cpp:2895

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), TranscodingSample::CTranscodingPipeline::AllocFrames, CalculateNumberOfReqFrames failed at src\pipeline_transcode.cpp:2727

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), TranscodingSample::CTranscodingPipeline::CompleteInit, AllocFrames failed at src\pipeline_transcode.cpp:3378

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), TranscodingSample::Launcher::Init, m_pSessionArray->pPipeline->CompleteInit failed at src\sample_multi_transcode.cpp:369

[ERROR], sts=MFX_ERR_UNSUPPORTED(-3), wmain, transcode.Init failed at src\sample_multi_transcode.cpp:750
plugin_loader.h :196 [INFO] MFXBaseUSER_UnLoad(session=0x0000026810BF56F0), sts=0

 

It seems the Media SDK doesn't contain the LA ENC plugin. Please let me know how to get the plugin or how to use la_ext in Windows. Thank you.

Best regards,

Charles Gao

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