<br><br>On Friday, February 18, 2022, Andrea paz <<a href="mailto:gamberucci.andrea@gmail.com">gamberucci.andrea@gmail.com</a>> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">My test.<br>
Compiling from git: OK.<br>
Create new project 1080p/25fps/RGBS-Float: OK. Checked "Play every<br>
frame" and Driver=X11-OpenGL.</blockquote><div><br></div><div><br></div><div><br></div><div>i think right now x11 (all versions) output must convert from rgba-float to rgba8, and vaapi also outputs at best 10-12 bit integer format, so conversion to project's format also necessary... </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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With hardware acceleration on "none":<br>
Playback forward: OK<br>
Playback reverse: ~OK<br>
Manual scrub: ~OK<br>
Rendering (37s): 18 fps (single thread!)</blockquote><div><br></div><div>did you tried various vp9 presets? </div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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With hardware acceleration on "vaapi":<br>
Playback forward: OK<br>
Playback reverse: BAD<br>
Manual scrub: BAD<br>
Rendering (37s): 18 fps (single thread!)<br>
</blockquote>