[Live-devel] debugging video quality/corrupt issues

[Kate Thomas]

hi Everyone

I'm trying to troubleshoot a video quality problem on a local network.

Live & playback on some videostreams has 'tears' in the image, and I'm
trying to determine in the video stream has lost packets, or whether the
VMS is receiving corrupt video images.
I've tested the network itself, which looks fine, and believe the next step
is to correlate at the application layer, from camera to VMS.

I know I can use OpenRTSP to look at incoming faults, however, the effect
is intermittent. Is there a way of analysing stored video files after
they've been received to see if/when they suffered packet loss which
corrupted the video? A bit like using the 'Q' option in an offline way.

If I can validate no packet loss, this would suggest something in the
encoding at the camera end. I should add that not all cameras seem to be
effected....

I've had a good search & google for tools, and perhaps to my inexperience
I've missed something that is out there, or how to do this.

Many thanks,

Kate @ UK.
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