Hi, On Saturday 02 August 2008, Artem Makhutov wrote: > Hello List, > > I have a Philips SPC520NC webcam, which works fine with UVC. > (Please add it to the supported devices list.)
Done. Thanks for the report. The SPC520NC and SPC525NC seem to be identical. > The only problem I have is to record audio using the build in > microphone. (Under windows the microphone works well.) > > I am using kernel 2.6.26 and the build in snd_usb_audio and uvcvideo > modules. > > After arround 5 seconds I am getting an "read error: I/O Error" message, > and I am getting an empty wav file (only the wav header is in there). > > I have attached an lsusb -v output. > > Any suggestion? > > Thanks, Artem > > [EMAIL PROTECTED] ~/wav $ arecord -D hw:1,0 -c 1 -f S16_LE -v test.wav > Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Mono > Hardware PCM card 1 'USB Video Camera' device 0 subdevice 0 > Its setup is: > stream : CAPTURE > access : RW_INTERLEAVED > format : S16_LE > subformat : STD > channels : 1 > rate : 8000 > exact rate : 8000 (8000/1) > msbits : 16 > buffer_size : 4000 > period_size : 1000 > period_time : 125000 > tstamp_mode : NONE > period_step : 1 > avail_min : 1000 > start_threshold : 1 > stop_threshold : 4000 > silence_threshold: 0 > silence_size : 0 > boundary : 9007199254740992000 > arecord: pcm_read:1348: read error: Eingabe-/Ausgabefehler > > (arecord: pcm_read:1348: read error: I/O Error) Please check the kernel log for any uvcvideo error message. If there is none, as the uvcvideo driver handles video only, you should contact the usbaudio mailing list (if there is one, otherwise the alsa or linux-usb mailing list). Best regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
