[Gstreamer-openmax] Re: [Gstreamer-openmax] 回复： Discussion on the hardware accelerator solution in GstOpenMAX project.

[Ling Shi]

Hi, all
If some hardware vendors, such as TI provides only a sink OMX element (for
example, mp3 sink), does GstOpenMAX have any plan to support it? For
example, design a base audio/video sink element?

On Sat, Aug 2, 2008 at 10:08 PM, Felipe Contreras <
felipe.contreras at gmail.com> wrote:

> 2008/8/1 wangfei <bjwf2000 at gmail.com>:
> > Hi All,
> >
> > I'm working on a project based on several different hardware platforms.
> TI
> > 34xx is one of my option. I'm very interest on topic 2: how to
> integration
> > GStreamer with OMX on GPU/DSP hardware solutions. My thoughts are as
> > follows:
> >
> > 1.  Supper source/sink element or tunneling solution is something depends
> > how OMX was implemented on a specific hardware. OMX IL spec didn't
> specify
> > how to partition different processing functions into OMX IL components
> > (Refer to openmax_il_spec_1_1_1.pdf page 21, Figure 2-1). For example, in
> TI
> > OMAP3, a C64x DSP was equiped, a super OMX component was provided by TI
>  for
> > audio streaming. http://omapzoom.org/gf/project/openmax/wiki   The super
> OMX
> > component includes audio decode, PP, rendering functions which were
> > processed by C64x DSP. In such case, seems a supper GstOpenMax sink
> element
> > is the only choice?  In another OpenMAX IL implementation, decoder,
> render
> > provided by separate OMX complents, in such case, maybe separate
> GstOpenMAX
> > elements support OMX tunneling is better.
>
> Right, if the OpenMAX IL component is an mp3sink, then it makes sense
> to write a gst-openmax mp3sink element wrapper.
>
> > 2. I guess GstOpenMAX didn't want to give a recommendation or
> specification
> > for OMX IL provider on how to paration there OMX IL components. Mybe I'm
> not
> > right?
>
> Right. The idea is to map whatever OpenMAX IL is doing into GStreamer.
> It should be fairly easy to create a new mp3sink element if that's
> what OpenMAX IL is providing. With the time it will become even
> easier.
>
> Best regards.
>
> --
> Felipe Contreras
>
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