Hi Dave,
You mean opencore still use openmax interface for their own software
codec?
Thx
John
On Wed, Dec 10, 2008 at 10:04 AM, Dave Sparks <[EMAIL PROTECTED]>wrote:
>
> It's exactly as Andrew described it. There are two codec registries,
> one for vendor supplied codecs and one for OpenCore software codecs.
> If it is unable to find a vendor codec that satisfies the input/output
> requirements, it falls back to OpenCore software codec. The reason for
> that is that you may need multiple instances of a codec at the same
> time. If there are no vendor codecs, then there is only one registry.
>
> Example: Imagine you are playing MP3 in the background and the user's
> selected ringtone is an MP3 file. While the music is playing, the
> phone rings. The MP3 player is probably using the hardware codec (it
> usually consumes less power than software codec), so when the ringtone
> starts up, the PV framework instantiates a software codec instead.
>
> On Dec 10, 6:32 am, John <[EMAIL PROTECTED]> wrote:
> > Thx Andrew.
> > According to my knowledge, besides OMX method(either vendor-specific or
> > opencore's OMX wrapper), opencore still has its' own software based
> > codec(/mydroid/external/opencore/codecs_v2/video and audio). I'm
> confusing
> > how they handle the selection between software based codec and OMX codec
> > (either vendor-specific or opencore's OMX wrapper).
> >
> > John
> >
> > On Tue, Dec 9, 2008 at 5:49 PM, Andrew Green <[EMAIL PROTECTED]>
> wrote:
> >
> > > Inside the file
> > >
> /mydroid/external/opencore/codecs_v2/omx/omx_common/src/pv_omxmastercore.cpp
> > > the function PV_MasterOMX_Init() loops through two sets of OMX cores.
> The
> > > first is a vendor-specific OMX core that will offer up vendor-specific
> OMX
> > > components. If a valid vendor-specific OMX codec is not found then the
> > > OpenCORE OMX codecs are iterated through as the backup.
> >
> > > Andrew
> >
> > > > Date: Tue, 9 Dec 2008 14:17:42 -0800
> > > > Subject: [android-porting] Can somebody explain how does the open
> core
> > > handle the selection between OPENMAX method and PV's own method?
> > > > From: [EMAIL PROTECTED]
> > > > To: [email protected]
> >
> > > > Can somebody explain how does the open core handle the selection
> > > > between OPENMAX method and PV's own method?
> >
> > > > John
> >
> > > _________________________________________________________________
> > > Send e-mail faster without improving your typing skills.
> >
> > >http://windowslive.com/Explore/hotmail?ocid=TXT_TAGLM_WL_hotmail_acq_.
> ..
> >
>
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