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removed obsolete file

Originally committed as revision 1040 to svn://svn.ffmpeg.org/ffmpeg/trunk
tags/v0.5
Fabrice Bellard 22 years ago
parent
commit
b71c30becb
1 changed files with 0 additions and 52 deletions
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      doc/bench.txt

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doc/bench.txt View File

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source: MarsAttack, divx, 800 kbit/s

q=10 constant:

* full motion search, fcode=1, half pel:
Video: opendivx (hq), 640x352, 25 fps, 200 kb/s
frame= 500 q=10 size= 1815kB time=20.0 bitrate= 743.6kbits/s

* log motion search:
Video: opendivx (hq), 640x352, 25 fps, 200 kb/s
frame= 500 q=10 size= 1995kB time=20.0 bitrate= 817.2kbits/s

* no motion search:
Video: opendivx, 640x352, 25 fps, 200 kb/s
frame= 500 size= 3197kB time=20.0 fps=25.0 bitrate=1309.6kbits/s q=10

* log motion search:
Video: opendivx (hq), 640x352, 25 fps, 200 kb/s
frame= 500 q=10 size= 1995kB time=20.0 bitrate= 817.2kbits/s

./ffmpeg -me log -t 20 -g 100 -qscale 10 -i img:%d.pgm -an /tmp/b.avi
Stream #0.0: Video: msmpeg4, 640x352, 25 fps, 200 kb/s
frame= 500 q=10 size= 1833kB time=20.0 bitrate= 750.9kbits/s

./ffmpeg -me full -t 20 -g 100 -qscale 10 -i img:%d.pgm -an /tmp/b.avi
Stream #0.0: Video: msmpeg4, 640x352, 25 fps, 200 kb/s
frame= 500 q=10 size= 1793kB time=20.0 bitrate= 734.8kbits/s

-------------------------------------------

* with -sameq, -me log

./ffmpeg -g 100 -t 20 -sameq -i MarsAttacks_f800.avi -an /tmp/a.avi
Stream #0.0: Video: msmpeg4, 640x352, 25 fps, 200 kb/s
frame= 500 q= 5 size= 2605kB time=20.0 bitrate=1067.1kbits/s

./ffmpeg -g 100 -t 20 -sameq -i MarsAttacks_f800.avi -f mpeg1video -an /tmp/a.mpg
Stream #0.0: Video: mpeg1video, 640x352, 25 fps, 200 kb/s
frame= 500 q= 5 size= 2655kB time=20.0 bitrate=1087.7kbits/s

./ffmpeg -g 100 -t 20 -sameq -i MarsAttacks_f800.avi -vcodec opendivx -an /tmp/a.avi
frame= 500 q= 5 size= 2774kB time=20.0 bitrate=1136.2kbits/s


the matrix, complete, video only:

source=14147kB

ffmpeg:
mpeg1 17154kB (20%)
msmpeg4 17229kB

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