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ffmpeg:video_resize [2024/04/29 10:20] – peterffmpeg:video_resize [2024/05/16 18:52] (current) – peter
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 <code bash> <code bash>
 ffmpeg -i input.mp4 -vf scale=1920x1080:flags=lanczos -c:v libx264 -preset slow -crf 21 output_compress_1080p.mp4 ffmpeg -i input.mp4 -vf scale=1920x1080:flags=lanczos -c:v libx264 -preset slow -crf 21 output_compress_1080p.mp4
 +
 +# Using GPU.
 +ffmpeg -vaapi_device /dev/dri/renderD128 -i "input.mkv" -vf 'hwupload,scale_vaapi=w=1920:h=1080:format=nv12' -map 0:v -metadata:s:v:0 language=eng -c:v hevc_vaapi -map 0:a -metadata:s:a:0 language=eng -map 0:s? -metadata:s:s:0 language=eng -rc_mode CQP -global_quality 25 -c:a copy -c:s copy -profile:v main -v verbose output_1080p.mkv
 +
 </code> </code>
  
ffmpeg/video_resize.txt · Last modified: 2024/05/16 18:52 by peter
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