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FFmpeg/doc/bench.txt

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  1. 

  2. source: MarsAttack, divx, 800 kbit/s

  3. 

  4. q=10 constant:

  5. 

  6. * full motion search, fcode=1, half pel:

  7.   Video: opendivx (hq), 640x352, 25 fps, 200 kb/s

  8. frame=  500 q=10 size=    1815kB time=20.0 bitrate= 743.6kbits/s

  9. 

  10. * log motion search:

  11.   Video: opendivx (hq), 640x352, 25 fps, 200 kb/s

  12. frame=  500 q=10 size=    1995kB time=20.0 bitrate= 817.2kbits/s

  13. 

  14. * no motion search:

  15.   Video: opendivx, 640x352, 25 fps, 200 kb/s

  16. frame=  500 size=    3197kB time=20.0 fps=25.0 bitrate=1309.6kbits/s q=10

  17. 

  18. * log motion search:

  19.   Video: opendivx (hq), 640x352, 25 fps, 200 kb/s

  20. frame=  500 q=10 size=    1995kB time=20.0 bitrate= 817.2kbits/s

  21. 

  22. ./ffmpeg -me log -t 20 -g 100 -qscale 10 -i img:%d.pgm -an /tmp/b.avi

  23.   Stream #0.0: Video: msmpeg4, 640x352, 25 fps, 200 kb/s

  24. frame=  500 q=10 size=    1833kB time=20.0 bitrate= 750.9kbits/s    

  25. 

  26. ./ffmpeg -me full -t 20 -g 100 -qscale 10 -i img:%d.pgm -an /tmp/b.avi

  27.   Stream #0.0: Video: msmpeg4, 640x352, 25 fps, 200 kb/s

  28. frame=  500 q=10 size=    1793kB time=20.0 bitrate= 734.8kbits/s    

  29. 

  30. -------------------------------------------

  31. 

  32. * with -sameq, -me log

  33. 

  34. ./ffmpeg -g 100 -t 20 -sameq -i MarsAttacks_f800.avi -an /tmp/a.avi

  35.   Stream #0.0: Video: msmpeg4, 640x352, 25 fps, 200 kb/s

  36. frame=  500 q= 5 size=    2605kB time=20.0 bitrate=1067.1kbits/s

  37. 

  38. ./ffmpeg -g 100 -t 20 -sameq -i MarsAttacks_f800.avi -f mpeg1video -an /tmp/a.mpg

  39.   Stream #0.0: Video: mpeg1video, 640x352, 25 fps, 200 kb/s

  40. frame=  500 q= 5 size=    2655kB time=20.0 bitrate=1087.7kbits/s

  41. 

  42. ./ffmpeg -g 100 -t 20 -sameq -i MarsAttacks_f800.avi -vcodec opendivx -an /tmp/a.avi

  43. frame=  500 q= 5 size=    2774kB time=20.0 bitrate=1136.2kbits/s

  44. 

  45. 

  46. the matrix, complete, video only:

  47. 

  48. source=14147kB

  49. 

  50. ffmpeg:

  51.   mpeg1     17154kB (20%)

  52.   msmpeg4   17229kB