It seems that your camera only exports YUV and the problem with ekiga should, I think be linked to this fact. Is anyone using successfully ekiga with a camera that only supports "video accelerated" formats (YUV, I4210, YUYV, etc) ?
Adrian Sergiu DARABANT -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Nikolaus Rath Sent: Friday, July 04, 2008 10:02 PM To: [email protected] Subject: Re: [Linux-uvc-devel] Philips SPC620NC, Video garbled These are the stream formats: [0] nokile:~/projekte/s3fs$ luvcview -L luvcview version 0.2.1 Video driver: x11 A window manager is available video /dev/video0 /dev/video0 does not support read i/o { pixelformat = 'YUYV', description = 'YUV 4:2:2 (YUYV)' } { discrete: width = 640, height = 480 } Time interval between frame: 1/30, 1/25, 1/20, 1/15, 1/10, 2/15, 1/5, { discrete: width = 320, height = 240 } Time interval between frame: 1/60, 1/50, 1/30, 1/25, 1/20, 1/15, 1/10, 2/15, 1/5, "Adrian Sergiu DARABANT" <[EMAIL PROTECTED]> writes: > That's for Laurent to answer but I'm afraid that if the camera is not > exporting those type of stream formats it isn't possible. There is entire > debate in wheter a driver should do transcoding or not in kernel space. > > Could you send us from the luvcview the list of stream formats your camera > supports ? > luvcview -L > i think (I don't have the software in front of me) just take the option that > says it only reports the video formats and quits. > > Adrian > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Nikolaus Rath > Sent: Friday, July 04, 2008 12:11 PM > To: [email protected] > Subject: Re: [Linux-uvc-devel] Philips SPC620NC, Video garbled > > Hey, > > You are definitely on the right track. As I wrote in my other mail, > luvcview can access the cam with -f yuv but not with -f jpg. Ekiga is > not linked against SDL. It also has no configuration option to switch > between jpg and yuv. Is there anything I can do to make the driver > produce jpg output? > > Best, > Nikolaus > > > "Adrian Sergiu DARABANT" <[EMAIL PROTECTED]> writes: >> Hello, >> I don't have ekiga right here but I am pretty sure the greenish >> image with some wite lines or spots is a YUV (or black lines or >> spots) is an YUV format encoded video blitted in a RGB surface. Look >> if ekiga is linked against SDL - I think that would be a good start. >> I didn't used ekiga till now but I am somehow working with video >> capture application developpement. Also look at si command line >> arguments and see if it says something about the video part. Many of >> the recent years USB cameras do not stream RGB (just YUV and Ixx) >> formats. For checking for SDL linked to ekiga do an ldd ekiga and >> check in the list. >> >> I might also be on the wrong path - however the greenish image is very >> typical for YUV-RGB blitting. >> >> Adrian >> >> >> >> >> -----Original Message----- >> From: [EMAIL PROTECTED] >> [mailto:[EMAIL PROTECTED] On Behalf Of Nikolaus > Rath >> Sent: Friday, July 04, 2008 11:01 AM >> To: [email protected] >> Subject: Re: [Linux-uvc-devel] Philips SPC620NC, Video garbled >> >> "Adrian Sergiu DARABANT" <[EMAIL PROTECTED]> writes: >>>> I am using a Philips SPC620NC webcam with the v4l2 driver. If a access >>>> the webcam using e.g. mplayer, everything works fine (example >>>> screenshot: >> http://launchpadlibrarian.net/15698358/Screenshot-MPlayer-1.png >>>> ). >>>> >>>> However, if I try to access the webcam using ekiga (www.ekiga.org), >>>> the video is garbled. It is only green and has horizontal lines all >>>> over it: http://launchpadlibrarian.net/15698333/Screenshot-Ekiga.png >>>> >>>> I suppose this is more likely to be an ekiga bug, but since I'm not >>>> entirely sure, I wanted to ask here as well. Has anyone else >>>> encountered this problem, maybe with a different application? Or is >>>> there something I could do with the driver to avoid the problem? >>> >>> Isn't that due to the fact that you are looking at an YUV video flow >>> and ekiga thinks is something else? It seems to me that this is the >>> problem. A copy into a surface with a different video encoding. >> >> I don't know... how do I find out if my webcam sends a YUV flow? And >> how do I determine the format that ekiga uses? >> >> Thanks for your help, >> >> -Nikolaus >> >> -- >> >It is not worth an intelligent man's time to be in the majority. >> By definition, there are already enough people to do that.< >> -J.H. Hardy >> >> PGP fingerprint: 5B93 61F8 4EA2 E279 ABF6 02CF A9AD B7F8 AE4E 425C >> >> _______________________________________________ >> Linux-uvc-devel mailing list >> [email protected] >> https://lists.berlios.de/mailman/listinfo/linux-uvc-devel > > > -Nikolaus > > -- > >It is not worth an intelligent man's time to be in the majority. > By definition, there are already enough people to do that.< > -J.H. Hardy > > PGP fingerprint: 5B93 61F8 4EA2 E279 ABF6 02CF A9AD B7F8 AE4E 425C > > _______________________________________________ > Linux-uvc-devel mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/linux-uvc-devel -Nikolaus -- >It is not worth an intelligent man's time to be in the majority. By definition, there are already enough people to do that.< -J.H. Hardy PGP fingerprint: 5B93 61F8 4EA2 E279 ABF6 02CF A9AD B7F8 AE4E 425C _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
