[MEncoder-users] Encoded file doesn't sync with iPhone

[Grozdan]

2010/3/15 Jörgen Isaksson <jogga at me.com>
>
> On 15 mar 2010, at 15.34, Christian Ebert wrote:
>
> > * Jörgen Isaksson on Monday, March 15, 2010 at 15:16:33 +0100
> >> On 15 mar 2010, at 12.46, Grozdan wrote:
> >>> Encode as usual to an AVI with mencoder (make sure you add -vf harddup to
> >                         ^^^
> >>> your video filters chain)
> >>>
> >>> After done, use MP4Box to dump the video and audio, then mux it together
> >>>
> >>> MP4Box -aviraw video file.avi
> >>> MP4Box -aviraw audio file.avi
> >>>
> >>> if your audio is AAC, you have to rename the dumped MP4Box audio file to
> >>> have the .aac extension or else, MP4Box won't accept files with the .raw
> >>> extension. Then, mux it together like this
> >>>
> >>> MP4Box -fps <fps-of-video> -add video.h264 -add audio.aac -ipod -mpeg4 -new
> >>> output.mp4
> >>
> >> I'm sorry, but I still can't get it to work???
> >
> > You're still using the lavf muxer (-of lavf) which is broken. As
> > Grozdan stated, you have to go the avi route.
> >
> >> It just doesn't sync with the iPhone.
> >>
> >> This is what I tried. First I encode the video to mp4 like this. The avi suggestion didn't work.
> >>
> >> mencoder movie.mov -o output.mp4 -vf scale=480:-10,harddup -lavfopts format=mp4 -faacopts mpeg=4:object=2:raw:br=128 -oac faac -ovc x264 -sws 9 -x264encopts nocabac:level_idc=30:bframes=0:global_header:threads=auto:subq=5:frameref=6:partitions=all:trellis=1:chroma_me:me=umh:bitrate=500 -of lavf
> >
> > mencoder -of avi -o output.avi ...
> >
> > And then the MP4Box commands Grozdan gave you.
>
> I'm really sorry... but using the Grozdan method still doesn't work for me. I'm not using -of lavf anymore. Encoding to an avi container like this.
>
> mencoder input.mov -of avi -o output.avi -vf scale=480:-10,harddup -faacopts mpeg=4:object=2:raw:br=128 -oac faac -ovc x264 -sws 9 -x264encopts nocabac:level_idc=30:bframes=0:global_header:threads=auto:subq=5:frameref=6:partitions=all:trellis=1:chroma_me:me=umh:bitrate=500
>
> MP4Box -aviraw video output.avi
> MP4Box -aviraw audio output.avi
>
> renaming output_audio.raw to output_audio.aac as Grozdan mentioned and muxing.
>
> MP4Box -fps 25 -add output_video.h264 -add output_audio.aac -ipod -mpeg4 -new output.mp4
>
> AVC-H264 import - frame size 480 x 272 at 25.000 FPSImport results: 272 samples - Slices: 10 I 262 P 0 B - 0 SEI - 6 IDR
> AAC import - sample rate 44100 - MPEG-4 audio - 2 channels
> Setting up iTunes/iPod file...
> Forcing AVC/H264 SAR to 1:1...
> Saving output.mp4: 0.500 secs Interleaving
>
> I end up with a file with an empty video and audio track???
>
> Do you have a workflow for this that actually works? It feels like I'm so close...

try h264enc, it has presets for iphone/ipod and muxes to mp4 as well.
I don't buy shit from Apple, but I know people have successfully used
to encode for their devices

http://h264enc.sourceforge.net/

Make sure your gpac/mp4box is up to date

>
> best regards / Jorgen
>
>
>
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