Re: [st-ericsson] v4l2 vs omx for camera

2011-02-26 Thread Nicolas Pitre
On Sat, 26 Feb 2011, Kyungmin Park wrote: > On Sat, Feb 26, 2011 at 2:22 AM, Linus Walleij > wrote: > > 2011/2/24 Edward Hervey : > > > >>  What *needs* to be solved is an API for data allocation/passing at the > >> kernel level which v4l2,omx,X,GL,vdpau,vaapi,... can use and that > >> userspace

u-boot overwrites 'bootargs' from dt 'chosen' node

2011-02-26 Thread Shawn Guo
I'm still a little bit new to dt. I thought the bootargs in chosen node will always apply when dt is enabled. It just took me some time to figure out that u-boot 'bootargs' env will anyway overwrite the one from chosen. static int bootm_linux_fdt(int machid, bootm_headers_t *images) { ..

Re: [st-ericsson] v4l2 vs omx for camera

2011-02-26 Thread Kyungmin Park
On Sat, Feb 26, 2011 at 2:22 AM, Linus Walleij wrote: > 2011/2/24 Edward Hervey : > >>  What *needs* to be solved is an API for data allocation/passing at the >> kernel level which v4l2,omx,X,GL,vdpau,vaapi,... can use and that >> userspace (like GStreamer) can pass around, monitor and know about.

Re: [st-ericsson] v4l2 vs omx for camera

2011-02-26 Thread Edward Hervey
On Sat, 2011-02-26 at 14:47 +0100, Hans Verkuil wrote: > On Saturday, February 26, 2011 14:38:50 Felipe Contreras wrote: > > On Thu, Feb 24, 2011 at 3:27 PM, Laurent Pinchart > > wrote: > > >> > Perhaps GStreamer experts would like to comment on the future plans > > >> > ahead > > >> > for zero c

Re: [PATCH 2/3] arm/dt: add very basic dts file for babbage board

2011-02-26 Thread Shawn Guo
On 18 February 2011 16:12, Jason Liu wrote: > Signed-off-by: Jason Liu > --- >  arch/arm/boot/dts/babbage.dts |  117 > + >  1 files changed, 117 insertions(+), 0 deletions(-) > > diff --git a/arch/arm/boot/dts/babbage.dts b/arch/arm/boot/dts/babbage.dts >

Re: [st-ericsson] v4l2 vs omx for camera

2011-02-26 Thread Felipe Contreras
Hi, On Fri, Feb 18, 2011 at 6:39 PM, Robert Fekete wrote: > To make a long story short: > Different vendors provide custom OpenMax solutions for say Camera/ISP. In > the Linux eco-system there is V4L2 doing much of this work already and is > evolving with mediacontroller as well. Then there is th

Re: [st-ericsson] v4l2 vs omx for camera

2011-02-26 Thread Felipe Contreras
Hi, On Thu, Feb 24, 2011 at 3:04 PM, Hans Verkuil wrote: > On Thursday, February 24, 2011 13:29:56 Linus Walleij wrote: >> 2011/2/23 Sachin Gupta : >> >> > The imaging coprocessor in today's platforms have a general purpose DSP >> > attached to it I have seen some work being done to use this DSP

Re: [st-ericsson] v4l2 vs omx for camera

2011-02-26 Thread Felipe Contreras
On Thu, Feb 24, 2011 at 3:27 PM, Laurent Pinchart wrote: >> > Perhaps GStreamer experts would like to comment on the future plans ahead >> > for zero copying/IPC and low power HW use cases? Could Gstreamer adapt >> > some ideas from OMX IL making OMX IL obsolete? >> >> perhaps OMX should adapt som

Re: [st-ericsson] v4l2 vs omx for camera

2011-02-26 Thread Hans Verkuil
On Saturday, February 26, 2011 14:38:50 Felipe Contreras wrote: > On Thu, Feb 24, 2011 at 3:27 PM, Laurent Pinchart > wrote: > >> > Perhaps GStreamer experts would like to comment on the future plans ahead > >> > for zero copying/IPC and low power HW use cases? Could Gstreamer adapt > >> > some id

Re: [st-ericsson] v4l2 vs omx for camera

2011-02-26 Thread Hans Verkuil
On Friday, February 25, 2011 18:22:51 Linus Walleij wrote: > 2011/2/24 Edward Hervey : > > > What *needs* to be solved is an API for data allocation/passing at the > > kernel level which v4l2,omx,X,GL,vdpau,vaapi,... can use and that > > userspace (like GStreamer) can pass around, monitor and kno