Convert recorded phone clips to mpeg4 or mpeg1
Blog Entry on the Friday 10th, December, 2004
Convert from phone, Video.3gp to a 'normal' playable format.
ffmpeg -i ./Video\(02\).3gp -f avi -ar 48000 temp_1.mpg
ffmpeg -i ./Video\(02\).3gp -acodec mp2 -ar 22050 -f wav temp_1.mp2
# Frames Number divided by times output from above. But 2.7 appears correct.
mencoder -o temp_1.avi -ovc lavc -oac lavc -fps 2.7 -nosound ./temp_1.mpg
ffmpeg -i ./temp_1.avi -i ./temp_1.mp2 -f avi other_1.mpg
# Not Necessary but enlarge and mpeg1
ffmpeg -i ./other_1.mpg -s 352:288 -vcodec mpeg1video -r 25 other_large_1.mpg