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Home>USB Bandwidth

Tag: USB Bandwidth

Updated on May 18, 2022May 18, 2022/ Andrew Murray

Understanding why USB Isochronous Bandwidth Errors Occur

Understanding why USB Isochronous Bandwidth Errors Occur

A recent customer asked us to make sense of USB bandwidth errors that prevented them from streaming multiple USB audio and video streams simultaneously. Their GStreamer pipelines would fail and a “uvcvideo: Failed to submit URB 0 (-28).” message would be seen in dmesg. The interesting part is that the errors would only occur if …

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Updated on February 10, 2022November 30, 2020/ Andrew Murray

Multiple UVC cameras on Linux: an unexpected challenge

Multiple UVC cameras on Linux: an unexpected challenge

Earlier this year one of our customers presented us with an unexpected problem: they weren’t able to stream video from multiple USB UVC web cameras – instead they got a “No space left on device” error. In our quest to provide a solution we learnt a little about USB and so we thought we’d share …

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