On Sun, Jan 10, 2010 at 12:40:27PM +0800, Bret Busby wrote: > On Fri, 8 Jan 2010, Bret Busby wrote: > >> Date: Fri, 8 Jan 2010 11:24:56 +0800 (WST) >> From: Bret Busby <[email protected]> >> Reply-To: Ekiga mailing list <[email protected]> >> To: Ekiga mailing list <[email protected]> >> Subject: Re: [Ekiga-list] Video resolution >> >> On Thu, 7 Jan 2010, Eugen Dedu wrote: >> >>> Date: Thu, 07 Jan 2010 19:16:48 +0100 >>> From: Eugen Dedu <[email protected]> >>> Reply-To: Ekiga mailing list <[email protected]> >>> To: Ekiga mailing list <[email protected]> >>> Subject: Re: [Ekiga-list] Video resolution >>> >>> Bret Busby wrote: >>> On Wed, 23 Dec 2009, yannick wrote: >>> >>>> Date: Wed, 23 Dec 2009 11:48:42 +0100 >>>> From: yannick <[email protected]> >>>> Reply-To: Ekiga mailing list <[email protected]> >>>> To: Ekiga mailing list <[email protected]> >>>> Subject: Re: [Ekiga-list] Video resolution >>>> >>>> Le mardi 22 décembre 2009 à 17:30 +0800, Bret Busby a écrit : >>>> Hello. >>>> >>>> I am wondering what prospect exists, for the video resolution, and >>>> thus the displayed video size on screen, to be increased? >>>> >>>> I have recently purchased a Logitech C300 webcam, which apparently has >>>> video resolution of up to 1.3MP; 1280 x 1024, I think. >>>> >>>> The webcam came with access to a Logitech free videocall facility' >>>> "Vid", which apparently (on this computer, anyway) allows for video >>>> resolution of up to 640 x480, at 30fps. >>>> >>>> So, I am wondering whether any intent exists, for Ekiga to provide for >>>> image resolution of 640 x 480, or, better, also, 800 x 600, or, even >>>> better, also, 1280 x 1024, at 30fps. >>>> >>> >>>> The higher you can get with Ekiga 3.2.x is: 704x...@30fps >>> >>>> (This is 4CIF, see http://en.wikipedia.org/wiki/4CIF ) >>> >>> Okay, now I understand; the video format used by Ekiga, is apparently >>> for television screens, rather than for computers - >>> ("CIF was designed to be easy to convert to PAL or NTSC standards. CIF >>> defines a video sequence with a resolution of 352 288 like PAL Source >>> Input Format, a framerate of 30000/1001 (roughly 29.97) frames like >>> NTSC, with colour encoded using YCbCr 4:2:0." >>> and >>> "xCIF pixels are not square, instead having a native aspect ratio of >>> ~1.222:1. On older television systems, a pixel aspect ratio of 1.2:1 was >>> the standard for 525-line systems (see CCIR 601). On square-pixel >>> displays (computer screens, many modern televisions) xCIF rasters should >>> be rescaled horizontally by ~109% to 4:3 in order to avoid a "stretched" >>> look: CIF content expanded horizontally by ~109% results in a 4:3 raster >>> of 384 288 square pixels."). >>> >>> I assume that the 4CIF resolution, is what used to be named something >>> like High Definition television, in the 4:3 analogue television format >>> (now all television screens available in sizes bigger than 14" >>> diagonally, are this silly widescreen format, that makes the pictures >>> look like someone heavy has sat on them). >>> >>> So, is the 4CIF format available for Ekiga, and, how can a user select >>> that resolution, to be used? >>> >>> I could not find a means of selecting different resolutions, in the >>> facilities for configuring the Ekiga interface. >>> >>> Does a method or facility exist, whereby a user (one party to a call) >>> selects a particular resolution, as a maximum possible resolution to be >>> viewed by the user, and the user interface software or carrier software, >>> then determines the lower common factor for the resolution selection >>> between the parties to a call, and uses that lower common factor >>> resolution, for the call, at each end involved in the call, so that, if >>> one party to a call, sets the maximum possible resolution at 4CIF and >>> another party sets the resolution at CIF, the CIF resolution gets used >>> by the call, to optimise bandwidth usage (me sending video at 4CIF, >>> isn't much use, if a receiver can view only CIF) and the call then >>> progresses using the lower common factor resolution? >> >> Hi, >> >> You can set *your* resolution (the one you send, i.e. your local video) >> in Preferences/Video. >> >> Hello. >> >> Thank you for your response. >> >> However, ekiga 2.0.12 does not have that option visible. >> >> ekiga 2.0.12 is the latest version available from the repository for >> Debian stable (Debian 5). >> If you are running an amd64 system, there is a backport available:
http://packages.debian.org/search?keywords=ekiga&searchon=names§ion=all&suite=lenny-backports -Rob _______________________________________________ ekiga-list mailing list [email protected] http://mail.gnome.org/mailman/listinfo/ekiga-list
