Hi, 2011/2/19 modysama <asmaa.elassal.stud...@pua.edu.eg>: > Paulo Assis <pj.assis <at> gmail.com> writes: > >> > The problem appears when changing the resolution: >> Are you saying it works on a higher resolution but falls on a lower one? > > The problem: > ____________ > Webcam work only on """guvcview"""" in only """"resolutions: > 170*144 > 160*120 > > The output format is "mjpg". yuyv doesn't make it work. >
Ok this is definitely a bandwidth issue. > That webcam works out of box on anther HP-but mini hp- with the same kernel > with also another integrated > camera and in all its supported resolutions and in several chat programs. > I don't know whats wrong. Is the problem in my laptop!! > I would recommend you checking your bios configuration, specially your usb settings. The integrated camera will only be a problem when streaming, so I doubt this is the cause behind your problem. I would be interested in dmesg output from the working laptop, just to check if the camera is added as a full speed or high speed device. Regards, Paulo > sok@sok-HP-ProBook-4520s:~$ gstreamer-properties > gstreamer-properties-Message: Skipping unavailable plugin 'alsasink' > gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink' > gstreamer-properties-Message: Skipping unavailable plugin 'esdsink' > gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosink' > gstreamer-properties-Message: Skipping unavailable plugin 'glimagesink' > gstreamer-properties-Message: Skipping unavailable plugin 'sdlvideosink' > gstreamer-properties-Message: Skipping unavailable plugin 'v4lmjpegsrc' > gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc' > gstreamer-properties-Message: Skipping unavailable plugin 'alsasrc' > gstreamer-properties-Message: Skipping unavailable plugin 'esdmon' > gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosrc' > libv4l2: error turning on stream: Input/output error > gstreamer-properties-Message: Error running pipeline 'Video for Linux 2 > (v4l2)': > Error starting streaming on device '/dev/video1'. [gstv4l2object.c(1983): > gst_v4l2_object_start_streaming (): /GstPipelineipeline0/GstV4l2Src:v4l2src1: > system error: Input/output error] > > Thank you. > > _______________________________________________ > Linux-uvc-devel mailing list > Linux-uvc-devel@lists.berlios.de > https://lists.berlios.de/mailman/listinfo/linux-uvc-devel > _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
