add support for AMD AMF hardware encoding on Windows & Linux #2251

nyanmisaka · 2020-01-10T17:50:16Z

Changes

Add support for AMD AMF hardware encoding on Windows and Linux which can reduce cpu usage instead of using default libx264 in ffmpeg.
h264_amf is now supported on linux with 'amdgpu-pro' installed and '--enable-amf' when compiling ffmpeg.
Using vaapi decode and h264_amf encode on linux platform can avoid some weird transcoding errors in h264_vaapi with amd gpu.

It works like this on windows now.
ffmpeg h264_amf on linux encoding succeed logs

Fixes
issue #1420

barolo · 2020-01-10T19:38:32Z

It's worth to note that amf is also supported under Linux with closed drivers and soon enough should be with the open drivers too.

nyanmisaka · 2020-01-10T20:02:58Z

It's worth to note that amf is also supported under Linux with closed drivers and soon enough should be with the open drivers too.

Sure. Since I often encounter strange errors when transcoding using the mesa open source driver VAAPI, I am currently trying to use AMF to replace it. Just learned that you need to install 'amf-amdgpu-pro' after installing the closed source driver. It seems that few people use AMF on Linux now.

barolo · 2020-01-10T21:02:32Z

Sure. Since I often encounter strange errors when transcoding using the mesa open source driver VAAPI, I am currently trying to use AMF to replace it. Just learned that you need to install 'amf-amdgpu-pro' after installing the closed source driver. It seems that few people use AMF on Linux now.

Yeah, vaapi for amd is not good plus apparently no one really cares about fixing it [ amf might be the reason ] I've opened related issue #1527 some time ago and decided that fixing it is not worth it because of the amf

nyanmisaka · 2020-01-12T10:32:11Z

Sure. Since I often encounter strange errors when transcoding using the mesa open source driver VAAPI, I am currently trying to use AMF to replace it. Just learned that you need to install 'amf-amdgpu-pro' after installing the closed source driver. It seems that few people use AMF on Linux now.

Yeah, vaapi for amd is not good plus apparently no one really cares about fixing it [ amf might be the reason ] I've opened related issue #1527 some time ago and decided that fixing it is not worth it because of the amf

I use h264_amf encoder in ffmpeg on manjaro to output video successfully with vaapi hardware acceleration. It should be noted that currently hevc_amf does not support Linux platforms. ffmpeg logs here

1) h264_amf is now supported on linux with 'amdgpu-pro' installed and '--enable-amf' when compiling ffmpeg. 2) Using vaapi decode and h264_amf encode on linux platform can avoid some weird transcoding errors in h264_vaapi with amd gpu.

barolo · 2020-01-12T17:09:38Z

@nyanmisaka does hevc 10bit transcode to h264 via amf without any issues? I can't test closed driver really with my distro.

nyanmisaka · 2020-01-12T18:55:15Z

@nyanmisaka does hevc 10bit transcode to h264 via amf without any issues? I can't test closed driver really with my distro.

no issues anymore.
transcoding from hevc@1080p(yuv420p10le) to h264@720p(yuv420p).

jellyfin can recognize amf encoder as well.

jellyfin_log

JustAMan · 2020-01-15T10:10:20Z

@nyanmisaka can you add some text to our docs which explains how to enable AMF in the system? And probably an issue at jellyfin-ffmpeg repo to add --enable-amf if our ffmpeg doesn't support that yet.

MediaBrowser.Controller/MediaEncoding/EncodingHelper.cs

MediaBrowser.MediaEncoding/Encoder/EncoderValidator.cs

nyanmisaka · 2020-01-15T10:36:00Z

@nyanmisaka can you add some text to our docs which explains how to enable AMF in the system? And probably an issue at jellyfin-ffmpeg repo to add --enable-amf if our ffmpeg doesn't support that yet.

Once I have time I will add some AMD AMF instructions in the docs. It seems that only linux platform jellyfin-ffmpeg has not added --enable-amf.

JustAMan

Thanks!

goldzy123 · 2020-03-01T05:37:23Z

how to enable amf encoder in windows? using 20200228 nightly still shows 0% for video encode.

nyanmisaka · 2020-03-01T06:03:48Z

how to enable amf encoder in windows? using 20200228 nightly still shows 0% for video encode.

Make sure you Radeon software is up to date.
Only higher than RX400 series can hw decode HEVC 10-bit video.
H264 10-bit hw decode is not supported.
The AMF encoder is test passed on my Vega 11 iGPU and RX Vega.

screenshot

Please post your ffmpeg logs and gpu model for further diagnosis.

goldzy123 · 2020-03-01T06:16:29Z

how to enable amf encoder in windows? using 20200228 nightly still shows 0% for video encode.

Make sure you Radeon software is up to date.

Only higher than RX400 series can hw decode HEVC 10-bit video.

H264 10-bit hw decode is not supported.

The AMF encoder is test passed on my Vega 11 iGPU and RX Vega.

screenshot
Please post your ffmpeg logs and gpu model for further diagnosis.

https://github.com/goldzy123/uptest/blob/master/123.png
https://github.com/goldzy123/uptest/blob/master/Log.txt

amd 2200g cpu,vega8 gpu,winserver 2019. radeon software 19.3.2

nyanmisaka · 2020-03-01T06:27:20Z

https://github.com/goldzy123/uptest/blob/master/123.png
https://github.com/goldzy123/uptest/blob/master/Log.txt

C:\Users\Administrator\Desktop\jellyfin_10.4.3\ffmpeg.exe

Seems like you are using version 10.4.3?
AMF encoder in only supported in 10.5.0 nightly.

Try using the version here without overwriting the older installation.

goldzy123 · 2020-03-01T07:24:43Z

https://github.com/goldzy123/uptest/blob/master/123.png
https://github.com/goldzy123/uptest/blob/master/Log.txt

C:\Users\Administrator\Desktop\jellyfin_10.4.3\ffmpeg.exe

Seems like you are using version 10.4.3?
AMF encoder in only supported in 10.5.0 nightly.

Try using the version here without overwriting the older installation.

thank u for your help, i have updated to 10.5.0. Log shows :
[h264 @ 000001cdf285f040] No device available for decoder: device type d3d11va needed for codec h264.
Stream mapping:
Stream #0:0 -> #0:0 (h264 (native) -> h264 (h264_amf))
Stream #0:1 -> #0:1 (dts (dca) -> mp3 (libmp3lame))
Device setup failed for decoder on input stream #0:0 : Unknown error occurred

I think it's a driver issue now, amd's radeon driver doesnt support win server officially.
thank u for your help again!

20200302update:
os changed to win10 pro ,0302nightly apu hw accel works ,but only 10-13fps when transcoding.

0302.log

KristupasSavickas · 2020-03-09T18:48:11Z

Thanks for the feature! Has anyone had any luck setting this up on Linux? Docker?

Found this PR in ffmpeg which might help someone: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/f8ad2ddd7a51df5d6e768ba2a6f65ee64b94e29b.

nyanmisaka · 2020-03-10T00:43:05Z

Thanks for the feature! Has anyone had any luck setting this up on Linux? Docker?

Found this PR in ffmpeg which might help someone: https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/f8ad2ddd7a51df5d6e768ba2a6f65ee64b94e29b.

See this #2473

AMF does support both Windows and Linux.
As far as I know AMF currently only works on real machines. Compared with NVIDIA, AMD has a long way to go in terms of video codec software, which requires time to catch up.

janfribogar · 2020-05-15T13:57:54Z

Hello @nyanmisaka can you help me? I'm having problems decoding with AMD AMF in windows.
Here you have my logs and specs:

Headless server runing Windows 10 Pro, AMD drivers 20.4.2 and Jellyfin 10.5.5
With the same setup but with Windows server 2019 it works perfectly (decoding and ecoding). Same driver version and same version of Jellyfin.

ffmpeg-transcode-39793177-7f15-45db-9323-923a7779d5eb.txt

add support for AMD h264_amf & hevc_amf

e95239e

nyanmisaka changed the title ~~add support for AMD h264_amf & hevc_amf on Windos10~~ add support for AMD h264_amf & hevc_amf on Windows 10 Jan 10, 2020

add support for AMF hardware encoding on Linux.

08c4d37

1) h264_amf is now supported on linux with 'amdgpu-pro' installed and '--enable-amf' when compiling ffmpeg. 2) Using vaapi decode and h264_amf encode on linux platform can avoid some weird transcoding errors in h264_vaapi with amd gpu.

nyanmisaka changed the title ~~add support for AMD h264_amf & hevc_amf on Windows 10~~ add support for AMD h264_amf & hevc_amf on Windows 10 & Linux Jan 12, 2020

nyanmisaka changed the title ~~add support for AMD h264_amf & hevc_amf on Windows 10 & Linux~~ add support for AMD AMF hardware encoding on Windows & Linux Jan 12, 2020

JustAMan approved these changes Jan 15, 2020

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nyanmisaka added 2 commits January 15, 2020 18:40

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JustAMan approved these changes Jan 15, 2020

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nyanmisaka mentioned this pull request Jan 15, 2020

enable ffmpeg AMD AMF encoder on linux jellyfin/jellyfin-ffmpeg#18

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nyanmisaka requested a review from dkanada January 15, 2020 19:20

dkanada approved these changes Jan 16, 2020

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dkanada merged commit 4aa0b94 into jellyfin:master Jan 16, 2020

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add support for AMD AMF hardware encoding on Windows & Linux #2251

add support for AMD AMF hardware encoding on Windows & Linux #2251

nyanmisaka commented Jan 10, 2020 •

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barolo commented Jan 10, 2020

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add support for AMD AMF hardware encoding on Windows & Linux #2251

add support for AMD AMF hardware encoding on Windows & Linux #2251

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nyanmisaka commented Jan 10, 2020 • edited

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