[MEncoder-users] videos contain black squares on Ipod touch

[Grozdan]

On Fri, Aug 6, 2010 at 9:25 AM, belcampo <belcampo at zonnet.nl> wrote:
> - wrote:
>>
>> I've got some x264 videos that I encoded a while ago, and when I put them
>> onto my ipod, there are random oblongs moving about, like one gets when
>> there's a missing p frame or something. They're fine on Quicktinme on the
>> PC, but not on the itouch. I've followed the guidance in the mencoder
>> quicktime section. Here's a sample command line:
>>
>>
>> MENCODER "infile"  -o "outfile.avi" -ovc x264  -x264encopts
>>
>>  pass=1:bitrate=200:bframes=0:trellis=1:partitions=all:me=umh:direct=auto:no-8x8dct:ref=5:mixed_refs:fps=16
>>  -vf hqdn3d=2:1:2,scale=368:208,harddup -oac mp3lame -lameopts br=128
>> -ofps
>> 16
>>
>> (I encode the audio separately into aac, and mux it with mp4box)
>>
>> Amongst many other attempts, I can remember doing the following to try and
>> eradicate the problem:
>>
>> remove the mixed_refs and refs=5 options
>> used nocabac
>> kept the video at the original 25 fps without scaling
>> Removed the partitions=all option
>> Encoded without hqdn3d
>>
>> Can anyone help me please??
>
> AFAIK trellis is not supported, so change to trellis=0

Neither trellis, nor cabac, nor 8x8dct, nor b-frames are supported.
Only Baseline @ Level 1.3 or Level @ 3.0 is supported

>>
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>
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