[mythtv-users] uPNP Stream to PS3 woes

[belcampo]

Michael Craven wrote:
> My capture is coming from a Hauppauge HD-PVR. It's outputting AVC and I
> can control whether it encodes the audio as AAC or AC3. I believe it
> streams a transport stream (TS) from the /dev/video0 device but recent
> info on the Hauppauge site indicates that it's now capable of streaming
> an M2TS. I don't think this option has been put into the HD-PVR driver
> on Linux yet though.
> 
> What does MythTV do with the stream? It's naming the files on my disk as
> MPG. Are these just the same as 'cat /dev/video0 > test.ts' but with an
> MPG extension?
Mediainfo will tell you.
I 'think' myth doesn't do anything with it, as it does nothing to DVBS 
streams. They are named mpg, but 'some' applications insist on .ts or .m2ts
> 
> Just curious. I realize that all this is bleeding edge but it's so
> frustrating because I'm sure I'm close.
> 
> -----Original Message-----
> From: Andre Newman [mailto:mythtv-list at dinkum.org.uk] 
> Sent: Monday, April 27, 2009 12:32 PM
> To: Discussion about mythtv
> Subject: Re: [mythtv-users] uPNP Stream to PS3 woes
> 
> 
> On 27 Apr 2009, at 17:00, Michael Craven wrote:
> 
>> I'm capturing AVC/AC3 fine to a file that myth writes as mpg on the  
>> storage disk... I can see the Myth uPNP server from my PS3 and have no
> 
>> issues surfing about the various menus to find recordings. When I  
>> try to play a recording, I get a 'data corrupt' message. L
> 
> I have a similar setup, despite what Sony's faq says the PS3 doesn't  
> like playing ac3 in a ps programme stream file, it has to be in a  
> transport stream, maybe this is your problem, where do your AVC/AC3  
> files come from? I record transport streams from DVBS and DVBT Freesat  
> & Freeview in the UK I also find that the PS3 is not happy if the  
> broadcaster messes up the stream labelling, BBC HD currently labels  
> AC3 as mpeg2 audio, the PS3 ignores the AC3 audio and plays the audio  
> description mpeg2 instead. I get the odd recording from Boston MA too  
> and I find some channels are shown as corrupted by the PS3 on either  
> streaming server. I find tsMuxeR to be a partial solution, it produces  
> files that stream and play but audio sync is variable and the PS3  
> stops playing if you try to seek faster than 1.5x or backwards at all.
> 
>> The files myth is writing are accessible from another uPNP server  
>> running in my network and it will stream them to the PS3 just fine.  
>> I was capturing AVC/AAC before and that wouldn't play on the PS3  
>> without transcoding no matter with server was doing the streaming.
>>
>> Does anyone have some thoughts on why one server streams just fine  
>> and the myth server seems to upset the PS3? The streams should be  
>> the same, no? Beyond that, I assume others are doing post-capture  
>> transcodes/user jobs? As a second option, can I get some direction  
>> to setting some post-capture massaging up?
> 
> I find that with some files when MythTV streams them the PS3 will not  
> play but when streamed by MediaTomb they stream fine! I haven't worked  
> out exactly what's going on but mime types seem very important to the  
> PS3.
> 
> I have a few scripts that fix up BBC HD and ITV HD such that the PS3  
> can play them but not working 100% yet.
> 
> I wish I could find a meaningful feedback route to SCEE as I'm sure  
> the issues are pretty minor if fixed in the PS3 but cause a big pain  
> to fix with free scriptable linux software.
> 
> You could try running one of the files through TSDoctor, it's very  
> good at fixing up transport streams misconfigured by broadcasters! It  
> works well enough under Wine if you don't have any Windows but it's  
> purely gui so not much use for a proper fix.
> 
> Andre
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