The idea, to my understanding, has been that HW specifics in this area would be hidden behind CameraBin...
Regards, Jari > -----Original Message----- > From: Shin Minjung (Nokia-MS-Qt/Brisbane) > Sent: 03. marraskuuta 2010 17:11 > To: ext Teemu Tuominen; Palojarvi Jari (Nokia-MS/Tampere) > Cc: [email protected]; [email protected]; Poplavskiy Dmytro (Nokia- > MS/Brisbane); ext Zhao, Halley > Subject: RE: [MeeGo-dev] camera subdev solution ? > > Hi, > > Qt Mobility camera support prefers camerabin based implementation as > backend so that we do not need to have hardware specific > implementation. Intel wanted to contribute to the camera backend but > the solution was implemented as a customized pipeline using > QGstreamerCaptureService to utilize hardware acceleration. We decided > to accept the contribution. It would be better if we have camerabin > based implementation in the future. > > For more information please refer to this mail in Mobility mailing > list. http://web.archiveorange.com/archive/v/6jz3kNo0p2e8fZMe8fWd > > Regards, > Min > > > > > -----Original Message----- > From: [email protected] [mailto:[email protected]] > On Behalf Of ext Teemu Tuominen > Sent: Thursday, 4 November 2010 12:27 AM > To: Palojarvi Jari (Nokia-MS/Tampere) > Cc: [email protected]; [email protected] > Subject: Re: [MeeGo-dev] camera subdev solution ? > > > good point, they will surely differ. And I surely hope it stays on > gst > level as you refer. > > However, Meego tends to generalize packetizing as far as possible and > also gst-plugins packaging tend to gather stuff. So, I had a feeling > the > camera stuff is not an exception. > > If we consider... > > qt-mobility (camera API, multimedia/gstreamer/camerabin) > gstreamer > gst-plugins-bad-free (camerabin, libphotography) > gst-plugins-camera (generic source elements and other oss source > elements for different hw) > kernel > > And when the request comes to use specific implementation - it would > mean additional packages, not replacive. Doesn't that look good ? > > Although deve's are not having fun with this ideology in Meego, I felt > it isn't far from possible if we get humble and sync up to iterate > things for camera features. And yet, man could enable all features > using > HW specific replacive solution. > > In mean time, we will likely push another specific package basing on > gst-nokia-videosrc and try to enable ways of utilizing it through > higher > level API's as planned. Unfortunately from my point of view it requires > a bit of studying and takes some time. During this workout I have also > got a bit diverged input about how things are implemented within > top-level components, so its time to read the code myself. However, I'm > all ears to anyone working with the field. > > > regards, > -Teemu > > > > On 11/03/2010 02:45 PM, [email protected] wrote: > > Just a quick note highlighting the obvious: the camera source > component in GStreamer and the subdev drivers are a part of camera HW > adaptation. So they may (and likely will) differ between different HW > platforms. > > > > Regards, Jari > > > >> -----Original Message----- > >> From: [email protected] [mailto:meego-dev- > [email protected]] > >> On Behalf Of ext Zhang, Vivian > >> Sent: 27. lokakuuta 2010 04:25 > >> To: Teemu Tuominen; Development for the MeeGo Project > >> Cc: Hu, Gang A > >> Subject: Re: [MeeGo-dev] camera subdev solution ? > >> > >> Hi, > >> The source of gst-v4l2-camsrc project in OBS is located at > >> http://meego.gitorious.org/maemo-multimedia/mfldv4l2camsrc which is > >> branched from gst-nokia-videosrc. Intel engineers are working on > this > >> project to do more enhancements/fixings for Intel Medfield ISP. > >> Also cc'd hu, gang for more technical details. > >> > >> Thanks > >> vivian > >> > >> > >> -----Original Message----- > >> From: [email protected] [mailto:meego-dev- > [email protected]] > >> On Behalf Of Teemu Tuominen > >> Sent: Monday, October 25, 2010 8:53 PM > >> To: Development for the MeeGo Project > >> Subject: [MeeGo-dev] camera subdev solution ? > >> > >> Hello, > >> > >> I've been working with camera stack for Meego/N900. Recently the > >> gst-v4l2-camsrc was added to meego obs and I was a little confused > >> about > >> the naming and different affiliations of the project. > >> > >> However, I assume kind of generalization is about to happen with > v4l2 > >> subdev& mediacontroller api's, but I would be delighted if someone > >> could sync me up to the work and roadmap of previously committed > >> projects. > >> > >> I have build modified gst-nokia-videosrc project in my obs home > >> (home:teemu.tuominen) for Meego/N900 to gain raw viewfinder mode > >> through > >> gst components (camerabin, subdevsrc). Is gst-v4l2-camsrc now the > place > >> to add such patches ? > >> > >> regards, > >> Teemu Tuominen > >> Cybercom Plenware > >> > >> > >> _______________________________________________ > >> MeeGo-dev mailing list > >> [email protected] > >> http://lists.meego.com/listinfo/meego-dev > >> _______________________________________________ > >> MeeGo-dev mailing list > >> [email protected] > >> http://lists.meego.com/listinfo/meego-dev > > _______________________________________________ > MeeGo-dev mailing list > [email protected] > http://lists.meego.com/listinfo/meego-dev _______________________________________________ MeeGo-dev mailing list [email protected] http://lists.meego.com/listinfo/meego-dev
