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

[Alexander Strange]

On Mar 16, 2010, at 1:02 PM, Grozdan wrote:

> On Tue, Mar 16, 2010 at 5:57 PM, Kasper Bonne <kbonne at gmail.com> wrote:
>> 2010/3/16 Jörgen Isaksson <jogga at me.com>:
>>> I'm not sure of anything regarding this. I'm just saying that it's finally
>>> syncing with the iPhone. I will have to dig deeper into all those options
>>> now that I have something to work with. It seems like the last two
>>> parameters did the trick?
>>> 
>>> But thx for all the help and friendly replies from all list members.
>> 
>> Thanks for sharing this information. I have been wanting to encode for
>> the iPhone myself.
>> 
>> If you fine tune the options, e.g., to yield a better quality, please
>> don't hesitate to post it. I for one would find it very useful.
> 
> You want better quality? How about this? :)
> 
> frameref=1:nomixed_refs:bframes=0:b_adapt=0:b_pyramid=none:noweight_b:weightp=0:direct_pred=none:aq_mode=1:me=umh:subq=8:mbtree:psy_rd=0.8,0.0:chroma_me:trellis=0:nocabac:deblock:no8x8dct:partitions=p8x8,i4x4:nofast_pskip:dct_decimate:level_idc=30:threads=auto::vbv_maxrate=1500:vbv_bufsize=1000

These options reduce quality unless you meant them for level constraints:
ref=1
vbv_maxrate
vbv_bufsize

These are default or redundantt:
b_adapt=0
b_pyramid=none
noweight_b
direct_pred=none
aq_mode=1
mbtree
chroma_me
deblock
dct_decimate
threads=auto

And these just make no sense:
nomixed_refs
subq=8 (could be 10)
psy_rd=.8 (could be the default)
trellis=0 (could be 2)
partitions (could be =all)
nofast_pskip

You can just delete all of those and it'll probably improve. mencoder might allow preset=slower:profile=baseline in an x264 options string now, haven't tried it.


> 
>> 
>> Best
>> /Kasper
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