2009/3/2 Laurent Pinchart <[email protected]>
> Hi, > > On Friday 27 February 2009 01:38:20 Sinisa Dukanovic wrote: > > Hi everyone, > > i own a Philips SPC1300NC which runs fine with uvc. Recording video never > > was an issue, and since a weeks i can even record audio using the > internal > > mix of the camera. But i was never able to record audio and video at the > > same time; not in skype, nor in any other application. When trying to > > videophone with skype my communication partner receives perfect video but > > only distorted audio. I some how realized the the audio distortion starts > > when i start video. Running a few tests outside of skype (with arecord > and > > luvcview) i now have a deterinistc behaviour: > > 1) When audio recording is started prior to video recording, audio > > recording goes only well until video recording is started. > > 2) When video recording is started prior to audio recording, both work > > perfectly > > For my test i used > > skype(video test in options) + skype(audio-only phone call) > > skype(video test in options) + arecord > > luvcview + skype(audio-only phone call) > > arecord + luvcview > > > > In all cases 1) and 2) hold. > > > > Does anybody know why this happens? Whether this is a uvc-bug or an > > alsa-bug? Any hints on how to debug this? > > I'm afraid I have no idea. It might even be a big in the camera itself. > > Best regards, > > Laurent Pinchart > > Well, it works well on windows. So i thought it is propably either uvc- or alsa-related...
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