[mythtv-users] Support for mythrokuplayer

Ozzy Lash ozzy.lash at gmail.com
Thu Jan 23 19:16:47 UTC 2014


On Thu, Jan 23, 2014 at 1:07 PM, Yan Seiner <yan at seiner.com> wrote:

>
> On 01/23/2014 11:03 AM, jedi wrote:
>
>> On Thu, Jan 23, 2014 at 09:51:10AM -0800, Yan Seiner wrote:
>>
>>> On 01/23/2014 09:44 AM, jedi wrote:
>>>
>>>> On Wed, Jan 22, 2014 at 03:54:50PM -0800, Yan Seiner wrote:
>>>>
>>>>> On my very anemic servers (AMD Athlon Dual Core 4600+) it takes
>>>>> about 10x as long to transcode as to play.  I clocked it with a new
>>>>> i3-3240 dual core, and it took about 4x.  I figure it needs
>>>>> something like a i5-3470 quad core to make it reasonable.
>>>>>
>>>>      That doesn't sound right.
>>>>
>>>>      Are you sure that the transcoder is using threading? You should be
>>>> getting much better performance than that and using multiple cpus in
>>>> the process. If your content or your transcoder can't take advantage
>>>> of multiple cores, then a faster CPU probably won't help.
>>>>
>>>>
>>>>  Yup.  I'm using handbrake and it's running on all available cores.
>>> h264 transcoding just takes time.  On the hyperthreaded Intel it
>>> shows as using 396% CPU :)
>>>
>>      I do loads of this kind of stuff. That's why I find your results
>> so intriguing.
>>
>>      I do h264 transcoding very frequently. I even started off a
>> transcode of a BluRay on multiple machines to see how each would
>> perform. Even working with files on an NFS mount didn't slow down
>> my i3.
>>
>>      Something else you might want to try is installing Plex on the
>> Roku. I have played around with that a little bit. It think I have
>> been able to play BDs through it.
>>
>>      Although I prefer to just use ION based myth frontends for the
>> kind of things that a Roku can't handle natively.
>>
>>
>>
>>  Bit rate                                 : 12.4 Mbps
> Maximum bit rate                         : 12.8 Mbps
> Width                                    : 1 920 pixels
> Height                                   : 1 080 pixels
> Display aspect ratio                     : 16:9
> Frame rate                               : 29.970 fps
>
> I would guess that if I reduced that size to DVD quality it would go
> quicker... :)
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://www.mythtv.org/mailman/listinfo/mythtv-users
>

I just tried a 720p recording, and it was going about 70 to 80 frames per
second average.  The rokuencode.sh script is using this as its command line:

/usr/bin/HandBrakeCLI -i $1/$2 -o $newname -e x264 -b 1500 -E faac -B
256 -R 48 -w 720

Which does look more or less like dvd quality.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.mythtv.org/pipermail/mythtv-users/attachments/20140123/0d2dc4cf/attachment.html>


More information about the mythtv-users mailing list