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Offline Scott  
#41 Posted : Wednesday, October 31, 2012 5:22:15 PM(UTC)
Scott
Rank: Administration

Joined: 1/25/2009(UTC)
Posts: 2,359
Location: Orlando, FL, USA

Hello everyone,

Thanks so much for the personal time you invested help us investigate and fix this issue. Jamcast 1.9.1 is now being pushed via the update notification system, you should see it soon. Or, download manually at:

http://getjamcast.com/Downloads.aspx

Please let us know if you find any further troubles with Jamcast on Windows 8.

Thanks!
Scott
Jamcast Developer
Support Page: http://getjamcast.com/Support.aspx
Offline Kazek007  
#42 Posted : Wednesday, January 22, 2014 5:23:13 PM(UTC)
Kazek007
Rank: Newbie

Joined: 1/2/2014(UTC)
Posts: 6

Hello everyone,

I've found this thread and I think I have the same problem (or similar).

My configuration is:
- latest version of JamCast (1.9.2.253)
- Windows 8.1 (but I had 8 and issue occured as well)
- good PC: i7, 16GB RAM, etc.
- streaming to PS3

I thing I have tried everything - I tried to instal, reinstal, change setting - nothing helped. Every few minutes my playback stutters for few seconds (3-4). Sometimes it plays for 1 hour without stuck, sometimes it has 3-4 glitches in a minute.

Here I attached a logfile: http://www.fileswap.com/...bhiOSZM/jamcast.log.html

I have no idea, where is a problem - so please! Help! Smile
Offline Scott  
#43 Posted : Thursday, January 23, 2014 12:51:10 PM(UTC)
Scott
Rank: Administration

Joined: 1/25/2009(UTC)
Posts: 2,359
Location: Orlando, FL, USA

Hey guys,

OK, this is looking more and more like my bug, one that I thought was long in the past! Allow me some brief time to go back thru the history on this issue and get my bearings, I will be back with the facts and next steps. Also a workaround if we can go back to a previous version (and I think we can).

This issue will be treated with the highest priority! Thanks for the reports!

Scott
Scott
Jamcast Developer
Support Page: http://getjamcast.com/Support.aspx
Offline Kazek007  
#44 Posted : Thursday, January 23, 2014 1:27:04 PM(UTC)
Kazek007
Rank: Newbie

Joined: 1/2/2014(UTC)
Posts: 6

Thanks for quick reply, Scott.
I remember that this issue occured with previous version of JamCast too, so I can downgrade it but in my opinion it wouldn't help.

Offline Scott  
#45 Posted : Thursday, January 23, 2014 2:09:06 PM(UTC)
Scott
Rank: Administration

Joined: 1/25/2009(UTC)
Posts: 2,359
Location: Orlando, FL, USA

Originally Posted by: Kazek007 Go to Quoted Post
Thanks for quick reply, Scott.
I remember that this issue occured with previous version of JamCast too, so I can downgrade it but in my opinion it wouldn't help.


You're welcome! Thanks for your help, I cannot reproduce this issue so far which means I have to rely on you kind folks for information.

Which previous version of Jamcast did you try?

Thanks!

Scott
Jamcast Developer
Support Page: http://getjamcast.com/Support.aspx
Offline Kazek007  
#46 Posted : Thursday, January 23, 2014 3:18:39 PM(UTC)
Kazek007
Rank: Newbie

Joined: 1/2/2014(UTC)
Posts: 6

Ohh, I don't remember :/

But I am ready for doing what you suggest step-by-step, just to fix it. I am sure, that there is some problem with my configuration, so I can instal few different versions just to check it...
Offline Scott  
#47 Posted : Saturday, January 25, 2014 8:55:03 AM(UTC)
Scott
Rank: Administration

Joined: 1/25/2009(UTC)
Posts: 2,359
Location: Orlando, FL, USA

Hi Kazek007,

Can you please describe the sound of these audio glitches? Are they perceived as pops, tiny gaps in the audio, squeaks, etc? How would you describe them?

Also, I took a look at your logfile. There are some Virtual Soundcard I/O stats printed to the log once you've clicked stop on the stream. Could you reproduce this issue and then click Stop, then resend the logfile?

I jumped the gun a bit on the last post, so far this is an isolated report. I had this issue and another grouped together in my head. Sorry for the confusion, I'm back on track now. Smile

Thanks!
Scott
Jamcast Developer
Support Page: http://getjamcast.com/Support.aspx
Offline Kazek007  
#48 Posted : Saturday, January 25, 2014 10:33:05 AM(UTC)
Kazek007
Rank: Newbie

Joined: 1/2/2014(UTC)
Posts: 6

Hi,

Maybe I've described it not enough clear, because of my English. Audio just stops playing, for few seconds. There isn't any sound during this.

This Wirtual Soundcard I/O you've mension occured when I stop play stream on my PS3:

2014-01-25 16:28:48,894 [2868] INFO MediaServer Begin streaming to Playstation 3 @ 192.168.0.103...
2014-01-25 16:28:48,913 [2868] DEBUG MediaServer I/O stats for Embedded Resource: queue=0 reads=5 totalreadbytes=18,992 readsnodata=2 writes=3 totalwritebytes=18,992 writesempty=2 writesfull=0 maxbytes=10,800
2014-01-25 16:28:48,913 [2868] DEBUG MediaServer Network send stats: bytes=18,992 sleeps=1
2014-01-25 16:28:48,913 [2868] INFO MediaServer Streaming to Playstation 3 (192.168.0.103) completed.
2014-01-25 16:28:49,002 [6792] DEBUG VirtualSoundcard Initialized WASAPI shared mode loopback capture -> Capture format PCM 32-bit 48kHz 2 channels
2014-01-25 16:28:49,002 [6792] DEBUG MediaServer Source Format: audio/L16 32-bit 48000 Hz 2 channels
2014-01-25 16:28:49,002 [6792] DEBUG MediaServer Output Format: audio/L16 16-bit 48000 Hz 2 channels
2014-01-25 16:28:49,002 [6792] INFO MediaServer Request received from Playstation 3 (192.168.0.103):
2014-01-25 16:28:49,002 [6792] DEBUG MediaServer Media stream pipeline: WASAPI Loopback Capture -> ffmpeg.exe -> Playstation 3 @ 192.168.0.103
2014-01-25 16:28:49,002 [6792] INFO MediaServer Response: Server: Windows NT/6.2, UPnP/1.0, Jamcast/1.9, Date: Sat, 25 Jan 2014 15:28:48 GMT, Content-Type: audio/L16;rate=48000;channels=2, Accept-Ranges: none, transferMode.dlna.org: Streaming
2014-01-25 16:28:49,004 [6792] DEBUG MediaServer Process started: ffmpeg.exe -ar 48000 -ac 2 -f f32le -i - -ar 48000 -ac 2 -f s16be -
2014-01-25 16:28:49,004 [6792] INFO MediaServer Begin streaming to Playstation 3 @ 192.168.0.103...

Offline Kazek007  
#49 Posted : Wednesday, January 29, 2014 2:20:56 PM(UTC)
Kazek007
Rank: Newbie

Joined: 1/2/2014(UTC)
Posts: 6

Any news?
Offline Kazek007  
#50 Posted : Friday, January 31, 2014 8:16:04 AM(UTC)
Kazek007
Rank: Newbie

Joined: 1/2/2014(UTC)
Posts: 6

Today I've got a lot of lags :/

Below I've pasted the part of my logfile - excatly when problem occured:

2014-01-31 13:47:01,000 [1288] DEBUG SSDP Searching for devices on the local network @ 192.168.0.100...
2014-01-31 13:52:00,997 [4952] DEBUG SSDP Searching for devices on the local network @ 192.168.0.100...
2014-01-31 13:53:44,603 [5592] WARN SSDP An exception occurred while processing UPnP discovery network data: NOTIFY broadcast from device at 192.168.0.100 is missing the required "NT" header.
2014-01-31 13:57:00,993 [1288] DEBUG SSDP Searching for devices on the local network @ 192.168.0.100...
2014-01-31 14:02:00,989 [1288] DEBUG SSDP Searching for devices on the local network @ 192.168.0.100...
2014-01-31 14:06:58,375 [4588] DEBUG LocaterService Internet discovery service ping success.
2014-01-31 14:07:00,989 [4588] DEBUG SSDP Searching for devices on the local network @ 192.168.0.100...
2014-01-31 14:08:46,702 [1244] WARN SSDP An exception occurred while processing UPnP discovery network data: NOTIFY broadcast from device at 192.168.0.100 is missing the required "NT" header.

I realy count on your help...
Offline Scott  
#51 Posted : Friday, January 31, 2014 12:58:44 PM(UTC)
Scott
Rank: Administration

Joined: 1/25/2009(UTC)
Posts: 2,359
Location: Orlando, FL, USA

Hi Kazek007,

Sorry to leave you hanging for so many days! I appreciate your patience.

So, normally dropouts like this are the symptom of network lags. On the PS3, this is especially more sensitive due to a flaw in the way the console buffers LPCM audio from Jamcast. Even on a strong wireless network, this condition is possible due to the normal fluctuations of wireless connectivity. Also, the Virtual Soundcard requires a constant stream in excess of 1.5Mb/s to avoid dropouts. Most video streaming services (Netflix, etc.) don't even require this much bandwidth, not to mention highly optimized buffering mechanisms that ensure highest quality of service.

Are you running wireless to the PS3?

The only way to troubleshoot this for certain is to run a wired connection from PC to console and test like that. Is this possible in your circumstances?

To improve wireless performance, changing channels can make a world of different. Rebooting the router, re-positioning the router... these are also things that can have a significant effect on wifi performance.

Does this help?

Thanks!
Scott
Jamcast Developer
Support Page: http://getjamcast.com/Support.aspx
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