[mythtv-users] How to watch recordings on a laptop

[belcampo]

Jay Foster wrote:
>> On Fri, Oct 1, 2010 at 12:45 PM, Jay Foster <jayf0ster at sbcglobal.net> 
>> wrote:
>>
>>> On 10/1/2010 9:14 AM, mythtv-users-request at mythtv.org wrote:
>>>
>>>>>>  However, VLC and MPlayer WILL play the raw HDHR file in Linux on the
>>>>>>  backend, but the Windows versions will not over the network.
>>>>>>
>>>> Have you tried to copy the file to the windows machine to see if your
>>>> network is simply too slow.
>>>>
>>> I haven't tried that yet with the raw (non-transcoded) file.  It does 
>>> work
>>> just fine over the network after performing a lossless transcode 
>>> (MPEG2-TS
>>> -> MPEG2-PS).
>>
>>
>> Is it possible that your lossless transcode is modifying something else,
>> audio, etc.  Is the resulting file the same size?  Is it fragmenting 
>> during
>> recording, while the transcoded file is not.  Are the recording and the
>> transcoded file on the same disk/array, same mount point, same 
>> permissions,
>> etc.  The only way to be sure that your playback issue is not the 
>> network is
>> to eliminate the network... same story with all of those other variables,
>> take them out of the euqation.  Copy the file to the windows machine 
>> and try
>> and play it.
> They are on the same disk, same permissions, same directory.
> 
> I copied the (non-transcoded) file to my Windows machine, and VLC and 
> Media player still fail to play it.  MPlayer would.  It takes less than 
> half the program length of time to copy the file, so network bandwidth 
> still does not look like my problem.  I have tried both a wired and 
> wireless connection with the same results.
>>
>>
>>>
>>>> Have you tried installing the HDHR software on your windows PC, and 
>>>> trying
>>>> to watch live tv on the windows box?
>>>>
>>> The HDHR software is installed, but I don't use it because my HDHRs 
>>> are on
>>> an isolated network to the backend.  I also am not interested in 
>>> doing this
>>> for live TV, only my recordings.
>>
>>
>> You miss the point... I am trying to remove the backend from the 
>> equation as
>> a troubleshooting technique.  Of course you want to use myth with those
>> tuners, this is the mythtv mailinglist afterall.  If you can tune and 
>> watch
>> the live stream, then you know your machine is up to par for playback and
>> that your HDHR isn't corrupting the stream in any way.
>>
>>
>>>
>>>>  The HDHR simply puts out a raw MPEG stream... one that is easily 
>>>> played
>>>> on
>>>> just about any OS, with just about any MPEG2 compatible player.
>>>>
>>>> Is it possible that your windows computers are simply under powered for
>>>> playing back such a high-bandwidth video?
>>>>
>>> They play just fine if I first do the lossless transcode.  The laptop 
>>> has a
>>> quad core i7 CPU with 6GB RAM.
>>
>>
>> I doubt that is the issue then, still could be a configuration issue 
>> on the
>> laptop, but MPEG-TS is not so much different than MPEG-PS that I would 
>> think
>> you could inadvertantly configure your computer such that it would 
>> play one
>> but not the other.
>>
> Could this be problem with samba?  Does it need to be configured 
> specially to handle streaming large files?  They copy just fine.
It depends how you define 'fine'.
You say that copying takes half of the play-time.
I don't think, the highest source-bitrate times 2 as copy-throughput, is 
fine, I think at max, 35Mbps * 2, it's NOT very good.
> 
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