Other than the obvious ffmpeg parameter hardcoding, there seems to something else fundamental that needs to be modified in synfig. I tried rendering just pngs using synfig instead of video via ffmpeg. Want to back this issue? Post a bounty on it! We accept bounties via A new observation. Please note that I'm complete noob when it comes to synfig, ffmpeg & GPUs, yet this seems quite obvious I'm not sure why auto is not the default while rendering By default hardware acceleration is disabled, i.e -hwaccel none is assumed by ffmpeg I'm not that well versed in ffmpeg/GPUs, but from ffmpeg documentation its quite clear that passing -hwaccel auto will allow ffmpeg to automatically determine whether or not to use hardware acceleration when it is available, else it will continue to use CPU for rendering. Currently when I try to render using synfig, the ffmpeg runs without any hardware acceleration flagįfmpeg -f image2pipe -vcodec ppm -r 24.000000 -i pipe: -an -metadata title="Final Aggregate" -vcodec libx264 -b:v 2000k -tune fastdecode -pix_fmt yuv420p -qp 0 -y /home/user/Desktop/Presentation/thread-per-connection/end-to-end-flow-test.mkv
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