MEncoder

„MEncoder is a free command line video decoding, encoding and filtering tool released under the GNU General Public License. It is a close sibling to MPlayer and can convert all the formats that MPlayer understands into a variety of compressed and uncompressed formats using different codecs.“

MEncoder. (2008, February 23). In Wikipedia, The Free Encyclopedia. Retrieved 18:57, April 5, 2008, from
http://en.wikipedia.org/w/index.php?title=MEncoder&oldid=193447614


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Wednesday, May 28, 2008

[MEncoder-users] Ipod/Iphone...

Hi everybody,

I've been trying several mencoder parameters I found on the net to encode with h264 for the Ipod/Iphone mainly (and optionaly the PSP), but none seems to work fine...

$MENCODER "$INPUT" -o /dev/null -demuxer 35 -of lavf -lavfopts format=mp4 -oac faac -faacopts mpeg=4:object=2:raw:br=${ABITRATE} -srate ${ARATE} -ovc x264 -x264encopts bitrate=500:vbv_maxrate=750:vbv_bufsize=1000:keyint=60:me=umh:trellis=1:global_header:nocabac:level_idc=30:pass=1 -sws 2 -endpos 30 -vf scale=320:240,harddup -ofps 30000/1001 -info name="$NAME"

$MENCODER "$INPUT" -o "$OUTPUT2" -demuxer 35 -of lavf -lavfopts format=mp4 -oac faac -faacopts mpeg=4:object=2:raw:br=${ABITRATE} -srate ${ARATE} -ovc x264 -x264encopts bitrate=500:vbv_maxrate=750:vbv_bufsize=1000:keyint=60:me=umh:trellis=1:global_header:nocabac:level_idc=30:pass=2 -sws 2 -endpos 30 -vf scale=320:240,harddup -ofps 30000/1001 -info name="$NAME"

The video starts playing fine but the sound just stops after 3 seconds.
I also tried with level_idc=13.
Any idea?
What are the mandatory parameters?
Only global_header, nocabac and level_idc?
Are there any parameters that would output a video compatible with both Ipod/Iphone and PSP?

Thanks,
JD

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