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#1 2017-02-13 16:27:15

marmistrz
Member
Registered: 2016-01-05
Posts: 110

Poor webcam performance, a lot of buffers being dropped

I have a huge problem with my webcam. It's performance is really poor.

Cheese captures something like 1-2FPS. The log shows:

 A lot of buffers are being dropped.: gstbasesink.c(2834): gst_base_sink_is_too_late (): /GstCameraBin:camerabin/GstViewfinderBin:vf-bin/ClutterGstVideoSink:cluttergstvideosink0:
There may be a timestamping problem, or this computer is too slow.

Linphone and qTox freeze when trying to use the webcam altogether.

Do you have any ideas? I have the uvcvideo module loaded, Asus R556LB

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#2 2017-02-13 16:49:50

R00KIE
Forum Fellow
From: Between a computer and a chair
Registered: 2008-09-14
Posts: 4,734

Re: Poor webcam performance, a lot of buffers being dropped

You could try loading uvcvideo while changing the value of some parameters and see if that helps.


R00KIE
Tm90aGluZyB0byBzZWUgaGVyZSwgbW92ZSBhbG9uZy4K

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#3 2017-02-13 17:18:40

marmistrz
Member
Registered: 2016-01-05
Posts: 110

Re: Poor webcam performance, a lot of buffers being dropped

R00KIE wrote:

You could try loading uvcvideo while changing the value of some parameters and see if that helps.

Which parameters do you mean?
The webcam used to work correctly some half a year ago.

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#4 2017-02-14 13:32:51

marmistrz
Member
Registered: 2016-01-05
Posts: 110

Re: Poor webcam performance, a lot of buffers being dropped

Hmmm.. using
options uvcvideo nodrop=1
in modprobe.d helped.

Why is nodrop disabled by default

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#5 2017-02-14 14:09:27

R00KIE
Forum Fellow
From: Between a computer and a chair
Registered: 2008-09-14
Posts: 4,734

Re: Poor webcam performance, a lot of buffers being dropped

marmistrz wrote:

Why is nodrop disabled by default

Because it shouldn't be needed in the first place, but it's there in case it is needed.


R00KIE
Tm90aGluZyB0byBzZWUgaGVyZSwgbW92ZSBhbG9uZy4K

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