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H265 webrtc HW decoder support?

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jingge yu

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Dec 13, 2024, 2:45:13 AM12/13/24
to discuss-webrtc
As I know, H.265 webrtc-decoder has supported in chromium from M126.  

I compiled a chrome.exe locally with tags/126.0.6478.234 on windows 11, and ran it with --enable-features=PlatformHEVCEncoderSupport --enable-features=WebRtcAllowH265Receive --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enable.
But I can't open a link with H265 webrtc stream.

My args.gn file configuration is as follows:
ffmpeg_branding = "Chrome"
enable_platform_hevc=true
is_clang = true
is_debug = true
rtc_strict_field_trials = "dcheck"
rtc_use_h264 = true
rtc_use_h265 = true
target_cpu = "x64"  

So if anyone know how to enable H.265 webrtc-decoder support on my own compiled chrome?

Philipp Hancke

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Dec 13, 2024, 10:28:05 AM12/13/24
to discuss...@googlegroups.com
Try with --force-fieldtrials=WebRTC-Video-H26xPacketBuffer/Enable*d/*

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jingge yu

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Dec 16, 2024, 6:45:29 AM12/16/24
to discuss-webrtc
Thanks for your reply.
And I've tried your method but fail.
I'm confused that if H.265 webrtc hardware decoding can be experienced on 126? 
Or from which version chromium start to support this ability?
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