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Re: [Linphone-developers] Problem with Logitech Quickcam Pro 9000


From: Simon Morlat
Subject: Re: [Linphone-developers] Problem with Logitech Quickcam Pro 9000
Date: Sun, 20 Jul 2008 16:25:17 +0200
User-agent: KMail/1.9.9

Hi,

Those problems are fixed in the cvs tree. 
Next release will be ok.

Simon

Le Monday 30 June 2008 16:00:34 Mikko Tuumanen, vous avez écrit :
> I get the following errors with the QC Pro 9000 and latest uvc driver
> from svn:
>
> ortp-error-Could not find decoder 12!
> ortp-error-JPEGLS codec not found, retrying with MJPEG...
>
> and sometimes:
>
> ortp-error-Could not find decoder 12!
> ortp-error-JPEGLS codec not found, retrying with MJPEG...
> [mjpeg @ 0x2b21ac32e3d0]only 8 bits/component accepted
> [mjpeg @ 0x2b21ac32e3d0]only 8 bits/component accepted
> [mjpeg @ 0x2b21ac32e3d0]invalid id 199
> [mjpeg @ 0x2b21ac32e3d0]mjpeg: unsupported coding type (c2)
> [mjpeg @ 0x2b21ac32e3d0]only 8 bits/component accepted
> [mjpeg @ 0x2b21ac32e3d0]only 8 bits/component accepted
> [mjpeg @ 0x2b21ac32e3d0]mjpeg: unsupported coding type (cf)
> [mjpeg @ 0x2b21ac32e3d0]mjpeg: unsupported coding type (c1)
> [mjpeg @ 0x2b21ac32e3d0]mjpeg: unsupported coding type (cf)
> [mjpeg @ 0x2b21ac32e3d0]mjpeg: unsupported coding type (c2)
> [mjpeg @ 0x2b21ac32e3d0]picture size invalid (36872x59713)
> [mjpeg @ 0x2b21ac32e3d0]only 8 bits/component accepted
> [mjpeg @ 0x2b21ac32e3d0]mjpeg: unsupported coding type (cb)
> [mjpeg @ 0x2b21ac32e3d0]mjpeg: unsupported coding type (c1)
>
> There is a workaround for this problem: Receive uncompressed video from
> the camera and it will work fine. Unfortunately that can only be done by
> editing the source. I moved the
>
>         }else if (v4lv2_try_format(s,V4L2_PIX_FMT_YUYV)){ ... }
>
> above the mjpeg in msv4l.c and get no more errors.
>
> I'm not sure whether that change should be made to mediastreamer2 for
> all users. Perhaps somebody has only usb1 and prefers compressed images
> through the usb cable. Maybe you could use a configuration option,
> environment variable, or something else to let users choose a preferred
> format.
>
>
>
>
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