From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-1.atlantis.sk ([80.94.52.57]:34181 "EHLO mail-1.atlantis.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751569AbbABLcY convert rfc822-to-8bit (ORCPT ); Fri, 2 Jan 2015 06:32:24 -0500 From: Ondrej Zary To: Tibor =?utf-8?q?Mi=C5=A1uth?= Subject: Re: Video resolution limited to 32x32 pixels in Skype with Syntek 1135 webcam Date: Fri, 2 Jan 2015 12:31:29 +0100 Cc: linux-media@vger.kernel.org References: In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <201501021231.29274.linux@rainbow-software.org> Sender: linux-media-owner@vger.kernel.org List-ID: On Friday 02 January 2015 11:07:09 Tibor MiĊĦuth wrote: > Hello, > > I've installed Ubuntu 14.04 (kernel 3.13.0-43-generic) on an old Asus > F5R laptop recently. It's equipped with an integrated Syntek 1135 > webcam for which the gspca_stk1135 module is loaded. > > lsusb: > Bus 001 Device 005: ID 174f:6a31 Syntek Web Cam - Asus A8J, F3S, F5R, VX2S, > V1S > > lsmod (extract): > gspca_stk1135 13318 0 > gspca_main 27814 1 gspca_stk1135 > videodev 108503 2 gspca_stk1135,gspca_main > > The webcam works fine in guvcview and almost fine in cheese > (resolutions are limited to square options, e.g. 1024x1024). > > Unfortunately there is an issue with Skype. It can detect the device > /dev/video0 (once > LD_PRELOAD=/usr/lib/i386-linux-gnu/libv4l/v4l2convert.so) but the > resolution is limited to 32x32 pixels which is useless. I tried to set > video size in Skype's config.xml, but then Skype didn't show anything > (just black screen). > > I did a test with an external Genius USB webcam (gspca_sonixb module) > that worked fine (resolution was 640x480 that is max for the camera). > > Is there any way to debug the driver (gspca_stk1135) and v4l to find > out the root cause of the issue? The driver supports variable resolution from 32x32 to 1280x1024 in 2 pixel steps. The problem is that some programs are crap and cannot handle that. -- Ondrej Zary