On 03/19/12 11:22, Dechesne, Nicolas wrote: > Martin, > > On Mon, Mar 19, 2012 at 8:14 AM, Martin Ertsås <mert...@cisco.com > <mailto:mert...@cisco.com>> wrote: > > The reason we want rpmsg is to get h264 endcoding and decoding using > gstreamer elements. I'm not sure if gst-ducati works with syslink as > well? Andy is right that it is mm decode/encode I am interested in. > > So if I have understood you right: For the time being, I should use > tilt-3.1 with syslink and gst-ducati (or some other gst element?) > to get > mm h264 encoding/decoding working on the omap. And when rpmsg is in a > stable upstream/tilt kernel, I can switch to that and still use > gst-ducati? > > > at the current time, as andy said if you want a workable GST with > decoders and encoders using gst-ducat, the only solution is 3.1 kernel > with syslink2.0. I am not entirely sure about the exact status of > Linaro releases with this regards (rsavelti can comment on that), but > for sure if you use a plain 'ubuntu 11.10' with the TI OMAP 'release' > PPA packages installed (see > http://groups.google.com/group/pandaboard/browse_thread/thread/6aa2cbe99c36919d) > then you will get such a system. PVR drivers are working for UI, and > PVR is used as well for video rendering (through GST pvrvideosink > element). With all these packages installed, you can use gst-launch or > any gst based application, and video codecs will be h/w accelerated > through gst-ducati. > > we are *currently* working on the next gen GST stack which will be > based on 3.3+ kernel with rpmsg (aka syslink3) and a new graphics > architecture based on our new omapdrm GEM based driver. This is > work-in-progress at the moment, and we are publishing our > 'experimental' work in our OMAP 'trunk' PPA (~tiomap-dev/omap-trunk in > LP). At this point of time, we have updated libDCE , kernel, and > firmware and we have some basic video decode working with this new > stack, but 1) we haven't started the GST updates, 2) it's not > recommended if you want something that 'just works'. Support for > encoders, and support at GST level (gst-ducati) will be available in > the coming weeks. > > Ok. Thank you so much for all your help, it have been really helpful. Will work with linux-3.1 and syslink 2.0 then. Really appreciate the response.
- Martin
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