I don't want to change any of the fancy settings.
The file isn’t compatible with QuickTime Player.' The video will play with VLC but the icon is weird and when I try to open it with QuickTime, I get the error: 'The document “output.mov” could not be opened. I've tried this: ffmpeg -i input.mp4 -c:v libx265 output.mp4įfmpeg seems to take a long time and the output seems to be about the right size. All I want to do is convert videos in my library to HEVC so they take up less space. And finally, ffmpeg configured and complied with -enable-cuda-nvcc option.I see that there are a few questions on this subject but I am still getting errors.In short, to enable support for GPU-assisted encoding with an NVIDIA GPU for ffmpeg, you need: Please see NVIDIA documentations and ffmpeg wiki page for further information. You learned how to install FFmpeg with NVIDIA GPU acceleration hardware support on Debian or Ubuntu Linux to speed up encoding with the ffmpeg command. Make sure you read the following man pages using the man command: Mine is a consumer-grade GPU, but no doubt data center or professional-grade NVIDIA GPU gives even better performance. Time ~/ffmpeg/ffmpeg -hwaccel cuda -y -i /tmp/input.mkv /tmp/out.mp4 Time command outputs with CPU used: realđm40.678sĪlso note down the speed: frame= 7320 fps= 73 q=-1.0 Lsize= 58306kB time=00:02:02.03 bitrate=3914.0kbits/s speed=1.22xĪnd now same file with NVIDIA GPU acceleration (note the path, I am calling the compiled version): Time /bin/ffmpeg -y -i /tmp/input.mkv /tmp/out.mp4 In this example, I am converting input.mkv to out.mp4 as follows without using GPU acceleration: Related: Top 7 Linux GPU Monitoring and Diagnostic Commands Line Tools Result
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