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@@ -167,34 +167,34 @@ default. |
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@table @option |
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@item needed stuff |
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-acodec aac -vcodec mpeg4 width<=320 height<=240 |
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-acodec libfaac -vcodec mpeg4 width<=320 height<=240 |
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@item working stuff |
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4mv, title |
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@item non-working stuff |
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B-frames |
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@item example command line |
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ffmpeg -i input -acodec aac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X output.mp4 |
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ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4 -b 1200kb -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 320x180 -title X output.mp4 |
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@end table |
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@section How do I encode videos which play on the PSP? |
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@table @option |
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@item needed stuff |
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-acodec aac -vcodec mpeg4 width*height<=76800 width%16=0 height%16=0 -ar 24000 -r 30000/1001 or 15000/1001 -f psp |
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-acodec libfaac -vcodec mpeg4 width*height<=76800 width%16=0 height%16=0 -ar 24000 -r 30000/1001 or 15000/1001 -f psp |
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@item working stuff |
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4mv, title |
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@item non-working stuff |
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B-frames |
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@item example command line |
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ffmpeg -i input -acodec aac -ab 128kb -vcodec mpeg4 -b 1200kb -ar 24000 -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp output.mp4 |
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ffmpeg -i input -acodec libfaac -ab 128kb -vcodec mpeg4 -b 1200kb -ar 24000 -mbd 2 -flags +4mv+trell -aic 2 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp output.mp4 |
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@item needed stuff for H.264 |
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-acodec aac -vcodec h264 width*height<=76800 width%16=0? height%16=0? -ar 48000 -coder 1 -r 30000/1001 or 15000/1001 -f psp |
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-acodec libfaac -vcodec h264 width*height<=76800 width%16=0? height%16=0? -ar 48000 -coder 1 -r 30000/1001 or 15000/1001 -f psp |
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@item working stuff for H.264 |
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title, loop filter |
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@item non-working stuff for H.264 |
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CAVLC |
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@item example command line |
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ffmpeg -i input -acodec aac -ab 128kb -vcodec h264 -b 1200kb -ar 48000 -mbd 2 -coder 1 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp -flags loop -trellis 2 -partitions parti4x4+parti8x8+partp4x4+partp8x8+partb8x8 output.mp4 |
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ffmpeg -i input -acodec libfaac -ab 128kb -vcodec h264 -b 1200kb -ar 48000 -mbd 2 -coder 1 -cmp 2 -subcmp 2 -s 368x192 -r 30000/1001 -title X -f psp -flags loop -trellis 2 -partitions parti4x4+parti8x8+partp4x4+partp8x8+partb8x8 output.mp4 |
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@end table |
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@section Which are good parameters for encoding high quality MPEG-4? |
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@@ -280,7 +280,7 @@ mkfifo intermediate2.mpg |
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ffmpeg -i input1.avi -sameq -y intermediate1.mpg < /dev/null & |
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ffmpeg -i input2.avi -sameq -y intermediate2.mpg < /dev/null & |
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cat intermediate1.mpg intermediate2.mpg |\ |
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ffmpeg -f mpeg -i - -sameq -vcodec mpeg4 -acodec mp3 output.avi |
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ffmpeg -f mpeg -i - -sameq -vcodec mpeg4 -acodec libmp3lame output.avi |
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@end example |
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Similarly, the yuv4mpegpipe format, and the raw video, raw audio codecs also |
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