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Html5 h264 video hardware acceleration not working

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  • 2 kişi bu sorunu yaşıyor
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  • Son yanıtı yazan: alez

alez
alez
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Firefox nightly 45.0a1; Windows 10; Direct2D Enabled: true; Video example: https://www.youtube.com/watch?v=5CCOkiaqL0g

Firefox doesn't use hardware acceleration for html5 h264 codec videos. Cuz of that i got 100% CPU usage and freezing video playback. Chrome or Edge has about 15% CPU usage on same videos and smooth playback. Is it possible to fix it by myself or is it software bug?

Firefox nightly 45.0a1; Windows 10; Direct2D Enabled: true; Video example: https://www.youtube.com/watch?v=5CCOkiaqL0g Firefox doesn't use hardware acceleration for html5 h264 codec videos. Cuz of that i got 100% CPU usage and freezing video playback. Chrome or Edge has about 15% CPU usage on same videos and smooth playback. Is it possible to fix it by myself or is it software bug?

Tüm Yanıtlar (3)

logglog
logglog
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Hi alez could you first check if the hardware acceleration is checked in:

about:preferences#advanced (type this in address bar) and see if "use hardware acceleration when possible" is checked. ______________________ Also, could you take a screenshot from : https://www.youtube.com/html5 ______________________ Are you using flash player or html5 to watch youtube?

alez
alez Sorunun sahibi
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logglog said

Hi alez could you first check if the hardware acceleration is checked in: about:preferences#advanced (type this in address bar) and see if "use hardware acceleration when possible" is checked. Also, could you take a screenshot from : https://www.youtube.com/html5 Are you using flash player or html5 to watch youtube?

"Use hardware acceleration when available" is checked. ______________________ "https://www.youtube.com/html5" everything is supported besides "MSE & WebM VP9 " ______________________ i'm using html5 player with h264 codec, not vp9.

alez
alez Sorunun sahibi
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Found that firefox modification https://pcxfirefox.wordpress.com/ Works like a charm! So it is a software bug in current firefox version.