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Weird Error in v14
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Damn2Good4U  
#1 Posted : Monday, September 29, 2014 4:01:59 PM(UTC)
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Hi,

I have seen the attached error more than 7 times since i updated to v14..

UserPostedImage

Whenever i click on close and start the stream again, it will start working maybe for another 5hrs or so

The system configuration is :

i5-4570 3.20GHz
8GB DDR3
Nvidia 630 2GHz
Win 7 Pro

Running vMix 64bit

Thanks...
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sinc747  
#2 Posted : Monday, September 29, 2014 9:39:08 PM(UTC)
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Have a friend with the same vMix 14 issue using Sunday Streams for CDN.

@Damn2Good4U - Did you have FFMPEG installed prior to installing vMix 14? If so, I wonder if it was the same version that vMix uses? What CDN are you using?
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admin  
#3 Posted : Monday, September 29, 2014 11:31:06 PM(UTC)
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Hi,

There are two streaming application options in vMix 14, FFMPEG and FMLE.
If you see error messages with your particular CDN, they may not fully support FFMPEG in which case switch it to FMLE.

I can look at adding compatibility for other CDNs to FFMPEG with the following information:

1. The provider being used
2. The encoding quality settings used
3. How long it takes for the error to occur, what the error says and does it occur consistently or at a certain time?

Thanks,

Martin
vMix
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Damn2Good4U  
#4 Posted : Tuesday, September 30, 2014 3:51:47 AM(UTC)
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admin wrote:
Hi,

There are two streaming application options in vMix 14, FFMPEG and FMLE.
If you see error messages with your particular CDN, they may not fully support FFMPEG in which case switch it to FMLE.

I can look at adding compatibility for other CDNs to FFMPEG with the following information:

1. The provider being used
2. The encoding quality settings used
3. How long it takes for the error to occur, what the error says and does it occur consistently or at a certain time?

Thanks,

Martin
vMix



Thanks for your quick response once again... you rock and may thanks for the clarification.

I am actually running two instances of streaming i.e. streaming to 2 different providers... with FMLE i am know each one of them are ok individually, but i will not try to stream ffmpeg to each individually to know which one is not compatible with FFMPEG.


Thanks

Rottimmy
Fusionplus TV
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ask  
#5 Posted : Wednesday, October 1, 2014 8:32:59 AM(UTC)
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I was able to generate the same error with FFMEG streaming to a DaCast Akamai channel. The error occurred after a number of hours. Will try to reproduce again. Steaming two bitrates 500 and 350 kpbs and 64 kbit audio on each stream.
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Damn2Good4U  
#6 Posted : Wednesday, October 1, 2014 2:07:12 PM(UTC)
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ask wrote:
I was able to generate the same error with FFMEG streaming to a DaCast Akamai channel. The error occurred after a number of hours. Will try to reproduce again. Steaming two bitrates 500 and 350 kpbs and 64 kbit audio on each stream.


I was actually streaming at the same bitrates as above but at AAC 96kbps Audio.

I tried streaming to the 2 CDN individually, and they both worked with no issues separately, but streaming to both simultaneously gives the error after some hours.
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ask  
#7 Posted : Thursday, October 2, 2014 5:38:24 AM(UTC)
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Ok. I have now had a multi-bitrate stream going without issue for 16 hours without issue. My conclusion is that the error is caused by transient network conditions that see malformed data reaching the CDN. I have seen similar behaviours with other implementations of FFMPEG as a streaming encoder where the loss of quality on the comms line seems to distrupt the stream causing FFMPEG to exit. FMLE seems to be more forgiving of poor quality lines.
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