On Tue, Oct 13, 2009 at 12:31 AM, Felipe Contreras <felipe.contreras at gmail.com> wrote: > Hi, > > This is the first public release of gst-dsp; a native GStreamer plug-in to > access Texas Instruments' DSP algorithms for OMAP3 platforms. > > The code came originally from a series of TI projects: tiopenmax[1], and > libbridge[2]. gst-dsp replaces these two layers and talks directly to the DSP > bridge driver. > > The main advantages are code simplification (5k vs 50k), and better performance > (at least 4 times less CPU usage). However, not all of the codecs have been > implemented, only MPEG-4 and H.263 video encoders and decoders, the JPEG > encoder, and H.264 is partially supported. > > Currently it's used in the Nokia N900. > > In order to make it easier for people to try it out, I created a demo image for > the beagleboard with all the required components: GStreamer, gst-dsp, DSP > public binaries, and a kernel with DSS2 and DSP bridge driver. > > The linux kernel (DSS2 + dspbridge) is at the v2.6.32-felipec1 tag in: > http://gitorious.org/~felipec/linux-omap/felipec > > The DSP algorithms are public, and come from tiopenmax: > https://gforge.ti.com/gf/download/frsrelease/170/1399/tiopenmax-0.3.5.tar.gz > > Here's the demo rootfs with the kernel image and instructions: > http://people.freedesktop.org/~felipec/beagle-2.6.32-rc3/ > > And here's the video showing it on action for both playback and recording: > http://www.youtube.com/watch?v=SN-Nw_yDQUs I removed the video because of a bug in YouTube and uploaded it again: http://www.youtube.com/watch?v=CjxkNIHBGdI Cheers. -- Felipe Contreras
