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a guest Dec 27th, 2011 105 Never
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  1. # Different x264 settings ...
  2. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec libx264 -preset ultrafast lala.mkv
  3. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec libx264 -preset ultrafast -crf 10  lala.mkv
  4. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec libx264 -preset ultrafast -crf 1  lala.mkv
  5. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec libx264 -preset ultrafast -subq 1  lala.mkv
  6. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec libx264 -preset slow -subq 9  lala.mkv
  7. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec libx264 -preset fast lala.mkv
  8. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec libx264 -preset superfast lala.mkv
  9.  
  10. # Different colorspaces (some worked, some not)
  11. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec huffyuv -pix_fmt yuv422p lala.avi
  12. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec huffyuv -pix_fmt rgb24 lala.avi
  13. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec huffyuv -pix_fmt yuv444p lala.avi
  14. ffmpeg -y -f x11grab -r 25 -s 800x700 -i :0.0+0,0 -vcodec mjpeg -sameq lala.avi
  15.  
  16. # More complicated (desperate) tries with x264
  17.  
  18. ffmpeg -y -f x11grab -r 30 -s 1600x1200 -i :0.0+1680,0 -vcodec libx264 -coder 0 -flags +loop -cmp +chroma -partitions -parti8x8-parti4x4-partp8x8-partp4x4-partb8x8 -me_method dia -subq 0 -me_range 16 -g 250 -keyint_min 25 -sc_threshold 40 -threads 0 lala.mkv
  19.  
  20. ffmpeg -y -f x11grab -r 30 -s 1600x1200 -i :0.0+1680,0 -vcodec libx264 -coder 0 -flags +loop -cmp +chroma -partitions -parti8x8-parti4x4-partp8x8-partp4x4-partb8x8 -me_method dia -subq 0 -me_range 16 -g 250 -keyint_min 25 -sc_threshold 40 i_qfactor 0.71 -b_strategy 1 -qcomp 0.6 -threads 0 lala.mkv
  21.  
  22. ffmpeg -y -f x11grab -r 30 -s 1600x1200 -i :0.0+1680,0 -vcodec libx264 -coder 0 -flags +loop -cmp +chroma -partitions -parti8x8-parti4x4-partp8x8-partp4x4-partb8x8 -me_method dia -subq 0 -me_range 16 -g 250 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -b_strategy 1 -qcomp 0.6 -threads 0 lala.mkv
  23.  
  24. ffmpeg -y -f x11grab -r 30 -s 1600x1200 -i :0.0+1680,0 -vcodec libx264 -coder 0 -flags +loop -cmp +chroma -partitions -parti8x8-parti4x4-partp8x8-partp4x4-partb8x8 -me_method dia -subq 0 -me_range 16 -g 250 -keyint_min 25 -sc_threshold 40 -i_qfactor 0.71 -b_strategy 1 -qcomp 0.6 -qmin 10 -qmax 51 -qdiff 4 -directpred 1 -flags2 +fastpskip -cqp 0 -threads 0 lala.mkv
  25.  
  26. ffmpeg -y -f x11grab -r 25 -s 800x800 -i :0.0+0,0 -vcodec libx264 -profile high444 -preset fast -tune stillimage lala.mkv
  27.  
  28. # And many, many more ...
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