[mythtv-users] PS3 front-end with UPnP

daniel åkerud daniel.akerud at gmail.com
Tue Jan 22 21:31:24 UTC 2008


On Jan 21, 2008 10:38 PM, daniel åkerud <daniel.akerud at gmail.com> wrote:

> On Jan 16, 2008 5:17 AM, Brad DerManouelian <myth at dermanouelian.com>
> wrote:
>
> > On Jan 15, 2008, at 4:25 PM, David Durham, Jr. wrote:
> >
> > >> Yes. OTOH, if you're using Myth mostly for HD, that shouldn't be a
> > >> problem (wait, no, even then some stations use an audio codec
> > >> that's not
> > >> supported, so you need to transcode the audio after recording the
> > >> show -
> > >> I forgot the details).
> > >
> > > My understanding is that it will only play the SD mpeg2 stream, but it
> >
> > > does upscale them.
> >
> > Mine *usually* plays mpeg2 content ok. Sometimes I get a generic
> > "unsupported data" or "corrupt data" and no idea why. Also, any HD
> > will play video with no audio stream. This is all OTA content. I've
> > tried on a plethora of stations all with the same issue. I just
> > haven't complained about it since I can't fix it and can't be bothered
> > to look into why it's happening.
> >
> >
> I run mythbuntu weekly builds, and have the latest 2.10 firmware on my
> ps3. I always get the corrupted data. Just now I figured I should check what
> type of data my recordings have with mplayer, this is what I came up with (a
> few different types, but very little differences):
>
> VIDEO MPEG2(pid=1019) AUDIO A52(pid=1017) NO SUBS (yet)!  PROGRAM N. 1
> VIDEO:  MPEG2  720x576  (aspect 3)  25.000 fps  15000.0 kbps (1875.0kbyte/s)
>
> // another aspect, but same size =O
> VIDEO MPEG2(pid=1019) AUDIO A52(pid=1017) NO SUBS (yet)!  PROGRAM N. 1
> VIDEO:  MPEG2  720x576  (aspect 2)  25.000 fps  15000.0 kbps (1875.0kbyte/s)
>
> // this has another audio codec
> VIDEO MPEG2(pid=1019) AUDIO MPA(pid=1018) NO SUBS (yet)!  PROGRAM N. 1
> VIDEO:  MPEG2  720x576  (aspect 3)  25.000 fps  15000.0 kbps (1875.0kbyte/s)
>
> // this has another size...
> VIDEO MPEG2(pid=8149) AUDIO MPA(pid=8148) NO SUBS (yet)!  PROGRAM N. 1
> VIDEO:  MPEG2  704x576  (aspect 2)  25.000 fps  15000.0 kbps (1875.0kbyte/s)
>
> I don't know if I have tried 'em all, size it's hard for me to connect
> filename "1001_20080121190000.mpg" to a certain recording seen from the ps3,
> but I have tried a bunch (I think all), and they all report corrupted data.
>
> /D
>
>
>
>
I think I've narrowed down my problem to the actual content. I have a DVB-T
card (Hauppauge Nova-T 500) and an Analogue card that I seldom use
(Hauppauge PVR-150). Recordings from the analogue plays OK. This is the
mplayer output from a recording that works:

MPEG-PS file format detected.
VIDEO:  MPEG2  720x576  (aspect 2)  25.000 fps  6000.0 kbps (750.0 kbyte/s)
...
AUDIO: 48000 Hz, 2 ch, s16le, 384.0 kbit/25.00% (ratio: 48000->192000)

All DVB-T recordings show "TS file format detected" but the analogue show as
seen above show MPEG-PS. My very preliminary and spontaneous guess is that
PS3 has problem with my MPEG-TS recordings.

If anyone in here can play recordings from a DVB-T card, can you paste the
codec information?

/D
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