Black Screen @ Live TV & Recorded

[sblueeye]

Hi,

I've installed mvpmcx2 on my PCH-100 & got it working to the point I can see the skin. However, when I scroll & click on Live TV all I get is a black screen w/ no audio.

The ../temp/live folder does show a live .ts file getting bigger as time passes - a file which I can play on my PC and also on my PCH (however there's no audio when playback is from PCH).

I'll be grateful for any kind of help..

Thanks

[mvallevand]

First could you compress and upload your logs (I don't even know if you are running GBPVR or NPVR, hopefully NPVR) and also the output from the syntax check. http://forums.gbpvr.com//showthread.php?...ax-Checker

Also are you running from CSI or from a share? I have not updated mvpmcx2 for CSI to use NPVR yet.

If you don't get audio is it possible that your broadcast use HE-AAC audio? If so you are out of luck on the A100.

Martin

[sblueeye]

Hi Martin,

After rebooting my server I'm now getting a video feed, however w/o audio.

Logs & NMTChecker output are attached.

I'm running GBPVR and indeed I suspect the stream is HE-AAC. However, a few months ago I managed to get both video/audio with mvpmcx2 on the A100 using the same DVB-T adaptor and same DTT broadcast (Israel). Back then the server was XP based while the current one is Win7 (decoders may be different).

Thanks for helping out!

[mvallevand]

For some reason 64 bit systems often require a reboot to quick off the web server I'm not sure why.

Unfortunately the A100 doesn't decode HE-AAC audio, the chip is capable, the firmware was never updated to use it. It is possible that the older files had a secondary AC3/MP2 audio stream as well, this is the case sometimes especially when multiple languages are in the stream. There are rules in mvpmcx2 to prefer non HE-AAC feeds.

I can tell more about the video stream if you telnet to your PCH and type

cat /etc/dumpts.txt

and copy the info back. The decoders on your PC have nothing to do with the PCH.

Martin

[sblueeye]

Hi Martin,

Thanks for the quick reply.

I couldn't find a dumpts.txt in the etc folder (see attached)

[mvallevand]

Sorry I meant /tmp

Martin

[sblueeye]

This is what I got:

Read 200000 bytes 4

New PAT
transport_stream_id : 1
version_number : 1
| program_number @ [NIT|PMT]_PID
| 4 @ 0xa60 (2656)
active : 1

New active PMT
program_number : 4
version_number : 12
PCR_PID : 0xa61 (2657)
| type @ elementary_PID
| 0x1b (ISO/IEC 13818-1 reserved) @ 0xa61 (2657)
| 0x11 (ISO/IEC 13818-1 reserved) @ 0xa62 (2658)

[mvallevand]

Sorry, 0x1b = h264 video 0x11= he-aac audio so there are no additional audio streams that will work.

Martin

[sblueeye]

Ok. In any case I'll try hooking up my old XP and see if anything changes. Updates will follow..

Thanks!

[sblueeye]

Hi Martin,

Couldn't get the XP server working.

However, I tried streaming the DVB-T to the A100 using VLC and managed to get both video & audio. I attached a screenshot of codec detail according to VLC.

The streaming parameters I used:

Source: dvb-t://frequency=514000000
Type: dvb-t
Streaming options: out=#http{mux=ts,dst=:1234/} :no-sout-rtp-sap :no-sout-standard-sap out-keep