Video stats

February 15th, 2010

Original file:

size: 5,031,300

Theora Video:

ffmpeg2theora test.AVI \
-o output.ogv \
--optimize \
--videobitrate 512

(I tried to set –audiobitrate 128 to match the h264 file but I kept getting this error:

The Vorbis encoder could not set up a mode according to
the requested quality or bitrate.)

size: 3231055

size: 1,121,736

H264 Video:

ffmpeg -i test.AVI \
-pass 1 \
-vcodec libx264 \
-vpre fastfirstpass \
-b 512k \
-bt 512k \
-threads 0 \
-f rawvideo \
-an \
-y /dev/null && \
ffmpeg -i test.AVI \
-pass 2 \
-acodec libfaac \
-ab 128k \
-ac 2 \
-vcodec libx264 \
-vpre hq \
-b 512k \
-bt 512k \
-threads 0 \
output.mp4

size: 997,489

February 12th, 2010

February 12th, 2010

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February 10th, 2010