[Gstreamer-openmax] Proposal of new implementation

[Victor Manuel Jáquez Leal]

2011/1/25 Benjamin Gaignard <benjamin.gaignard at linaro.org>:
> you are right, the operation flow are very similar but we create an
> overloaded gst buffer (gstomxbuffer) to allow zero copy in gstreamer graph

Aha, the same strategy used in gst-goo [1]. There was a reason why
Felipec didn't use it, but I don't recalled it right know :s

1. https://github.com/mrchapp/gst-goo/blob/master/src/gstgoobuffer.c

vmjl

>
> With gstomxbuffer the sequence is no more:
> emptybufferdone -> memcpy in gst buffer -> fillthisbuffer -> pad push
> gstbuffer
> it becomes:
> emptybufferdone -> pad push gstomxbuffer -> gstomxbuffer unref ->
> fillthisbuffer
> Benjamin
> Le 25 janvier 2011 10:58, Victor Manuel Jáquez Leal <ceyusa at gmail.com> a
> écrit :
>>
>> On Mon, Jan 24, 2011 at 2:16 PM, Benjamin Gaignard
>> <benjamin.gaignard at linaro.org> wrote:
>> > Hi,
>> >
>> > For Linaro project I working on a new implementation of gst-openmax to
>> > allow
>> > zero copy between OMX element in gstreamer.
>>
>> Glancing the diagrams, the operation flow is pretty much what
>> gst-openmax does. Am I wrong? But if so, why another implementation?
>> Forking is the only option?
>>
>> vmjl
>>
>> >
>> > On this page:
>> >
>> > https://wiki.linaro.org/WorkingGroups/Middleware/Multimedia/Specs/1105/ConsolidateGtsOmxMultivendor
>> > I have put sequence diagrams of what we want to achieve.
>> >
>> > We are looking for feedbacks about this proposal and all comment are
>> > welcome.
>> >
>> > Benjamin
>> >
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>> >
>> >
>
>