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 Post subject: MythstreamTV - No Audio
PostPosted: Thu Dec 15, 2005 3:50 pm 
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Joined: Sun Jan 16, 2005 8:23 pm
Posts: 94
I don't get any audio when streaming recordings. They are HD shows recorded with the pcHDTV HD3000.

It looks great, but I just can't hear anything. Any ideas?

R5A26


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 Post subject:
PostPosted: Thu Dec 15, 2005 7:17 pm 
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Joined: Tue Apr 13, 2004 6:51 pm
Posts: 890
Location: Groton, MA
I suggest checking on the vlc forum. http://www.vlc.org
you can see the command that is executed...that script will show the actual vlc command. maybe a tweek of the vlc parms (there are a million of them) will help you out.

there is also a mythstreamtv forum here
http://sourceforge.net/projects/mythstreamtv/

Josh, the original mythstreamtv guy no longer use knoppmyth so i doubt he monitors this forum. the are a few other sharp folks there as well. :)

if you make any headway let us know.

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R5F1 - Dell P4 2.4Ghz 500MB - PVR250 x 2 - GeForce FX 5200 - Onboard sound/NIC 80GB ATA/250GB ATA/400GB SATA


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 Post subject:
PostPosted: Thu Dec 15, 2005 7:53 pm 
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Joined: Sun Jan 16, 2005 8:23 pm
Posts: 94
Will do. Thanks for pointing me in the right direction.


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 Post subject:
PostPosted: Thu Dec 15, 2005 8:01 pm 
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Joined: Thu Dec 15, 2005 3:56 pm
Posts: 7
I dont get any audio from my HD recordings either. Now that I think about it, I have not tried to stream any recordings that were captured using an analog capture card.

HMmh.

_________________
Primary Backend
Dell PE750, 3Ghz, 1 GB Ram, 400GB Sata
pcHD 3000
FrontEnd
Dell GX270, ATI Video, 40 GB Disk.

Backend
Dual 1 GHZ, 512 RAM 200 GB Raid1
pdHD 30000

2nd Frontend
MBX 3 GHZ P4, 1 GB Ram
ATI video card. (unknown specs.)


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 Post subject:
PostPosted: Thu Dec 15, 2005 8:06 pm 
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Joined: Thu Dec 15, 2005 3:56 pm
Posts: 7
What I tried to do, to fix the problem, is in this thread.

http://mysettopbox.tv/phpBB2/viewtopic.php?t=7229

I have manually tried to configure vlc via commandline with different codecs, muxs and all, still no audio.

Only thing I can think of, is that the HD3000 stream is mpeg directly....whereas, anything captured via an analog card (hauppauge, etc) has to be transcoded as it is written to disk. (I think.)

I CAN use nuvexport on any .nuv file (including ones recorded by pdHDTV) and there is audio in the outputted mpeg.

_________________
Primary Backend
Dell PE750, 3Ghz, 1 GB Ram, 400GB Sata
pcHD 3000
FrontEnd
Dell GX270, ATI Video, 40 GB Disk.

Backend
Dual 1 GHZ, 512 RAM 200 GB Raid1
pdHD 30000

2nd Frontend
MBX 3 GHZ P4, 1 GB Ram
ATI video card. (unknown specs.)


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 Post subject:
PostPosted: Wed Dec 21, 2005 1:15 pm 
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Joined: Thu Dec 15, 2005 3:56 pm
Posts: 7
Well, I still cant stream via VLC.

However, I can now download the .nuv file to my windows machine and play it with VLC and get audio.

I could only get audio, after I re-ran mythtv-setup, Selected #2 (capture cards) selected my DVB card, selected "Advanced Configuration", selected Recording Options and then put a check mark in the box "Record in TS format instead of PS"

I then exited out, restarted mythbackend and recorded a new show.

Any new recordings, now have playable audio in VLC for windows.

Note: Mplayer could play the nuv file before and get audio.

Now, my VLC streamin script gives a new error.....

_________________
Primary Backend
Dell PE750, 3Ghz, 1 GB Ram, 400GB Sata
pcHD 3000
FrontEnd
Dell GX270, ATI Video, 40 GB Disk.

Backend
Dual 1 GHZ, 512 RAM 200 GB Raid1
pdHD 30000

2nd Frontend
MBX 3 GHZ P4, 1 GB Ram
ATI video card. (unknown specs.)


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 Post subject:
PostPosted: Thu Dec 22, 2005 2:38 am 
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Joined: Mon Oct 06, 2003 10:38 am
Posts: 4978
Location: Nashville, TN
yeah you kinda screwed yourself on the streaming. currently streaming doesn't support TS.

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Have a question search the forum and have a look at the KnoppMythWiki.

Xsecrets


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 Post subject:
PostPosted: Thu Dec 22, 2005 1:21 pm 
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Joined: Thu Dec 15, 2005 3:56 pm
Posts: 7
Good to know, but at least now I can watch my HD shows on my laptop or copy them to a usb HD and bring them with me to watch at a later point without having to run nuvexport.

Xsecrets wrote:
yeah you kinda screwed yourself on the streaming. currently streaming doesn't support TS.

_________________
Primary Backend
Dell PE750, 3Ghz, 1 GB Ram, 400GB Sata
pcHD 3000
FrontEnd
Dell GX270, ATI Video, 40 GB Disk.

Backend
Dual 1 GHZ, 512 RAM 200 GB Raid1
pdHD 30000

2nd Frontend
MBX 3 GHZ P4, 1 GB Ram
ATI video card. (unknown specs.)


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 Post subject:
PostPosted: Thu Mar 30, 2006 10:42 am 
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Joined: Sat Jan 28, 2006 11:29 am
Posts: 83
I too am now in this 'quiet' place. I deduced that only PS recordings would play over mythstream after trial and error, TS files just go all blocky.

Though I also noticed that I get no audio when playing these PS files direct on say WMP10 or zoomplayer under windows though TS files play with audio+video fine. Both TS & PS play fine with audio under mplayer for windows though?

Anyway I tracked through mythweb/mythstream.sh to make this command that I can run from the command line to stream a PS recording

Code:
# /usr/local/bin/vlc -I http --http-host=:8002 --sout-transcode-fps=25 --sout-transcode-deinterlace '/myth/tv/1033_20060330025200_20060330025600.nuv' ":sout=#transcode{vcodec=DIV3,acodec=mp3,vb=500,ab=128,scale=1}:std{access=mmsh,mux=asfh,url=:8001}"


I can pick up the stream on wmp10 from mms://mythtv:8001/ Video is fine but BUT alas no audio.

I tried `# apt-get install vlc libdv...` as detailed on vlc site
This installed vlc 0.8.4 to /usr/bin (current = 0.8.1 @ /usr/local/bin) but this just broke streaming completely so `# apt-get remove vlc` put it back as was.

I then tried install_mythstreamtv.sh that ran and tried to update mplayer though I already updated to the latest version anyway. This didn't improve things.

It may just be a config file or that a new vlc will work but needs to be config'd OR installed from source. Rather than any more guessing on my part and maybe nuking my otherwise working system I wonder if anyone can shed any light on a solution or course of action to achieve one.


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