[mythtv-users] hdhr file troubles on atv2

[belcampo]

belcampo wrote:
> belcampo wrote:
>> Raymond Wagner wrote:
>>> On 2/14/2011 09:51, David Evans wrote:
>>>> I picked up a atv2 about a week ago and I have been tinkering with it.
>>>>   I have xbmc running on it and using the built in myth:// protocol I
>>>> can play SD files without any trouble.  The issue that I am having is
>>>> with files produced by the hdhr.  They will load up but I get a severe
>>>> stutter with the audio and they are unwatchable.  I tried loading the
>>>> files via a smb mount and I get constant buffering.
>>>>
>>>> I figured the solution would be to transcode the files down to a mpeg4
>>>> format that should be easier for the ATV2 to play but I'm struggling
>>>> with the settings of mythtranscode to get a file that plays cleanly.
>>>> If I could get any insight it would be great.
>>> The ATV2 does not support hardware acceleration of the MPEG2 output by a 
>>> digital tuner, nor the HD MPEG4 output by mythtranscode.  That means you 
>>> are relying on the woefully inadequate 1GHz ARM for software decoding.  
>>> Until XBMC has fully explored the VideoToolBox API and documented what 
>>> the device is actually capable of, rather than what Apple has restricted 
>>> the device to, the only authoritative reference on the decoding 
>>> performance of that device is on the Apple site.
>> I do have one for 2 weeks and it can play BluRay as input-format.
>> I use makemkv to get the BD in a matroska container which I then serve 
>> with minidlna to upnp to XBMC on the atv2, although it scales it down to 
>> 720p, but further it works very well.
> Sorry I was too hasty, I had encoded them to 1080p but at a lower 
> bitrate with ffmpeg -crf 24, which resulted in visibly perfect, 
> according to mediainfo:
> Overall bit rate                 : 6 143 Kbps
Again too fast, I used -cqp 24
instead of -crf 24
> 
>>> http://www.apple.com/appletv/specs.html
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