I want to recognize Intra frame before that frame is sent to OMX IL for
decoding.
I guess "random access point" information might be in mp4/3gp container. But
I think this might not be definitely true for each stream...

Do you have any suggestion? Thanks.

On Tue, Jul 21, 2009 at 12:27 AM, RaviY <yend...@pv.com> wrote:

>
> This is usually set by the source node.
>
> But, it looks like, in some cases, it is being set only during
> repositioning and not during regular playback.
>
> Can you explain what your usecase is and I can try to see what could
> be done?
>
> -Ravi
>
> On Jul 20, 11:04 am, Andy Quan <androidr...@gmail.com> wrote:
> > Ravi,How is this bit
> "PVMF_MEDIA_DATA_MARKER_INFO_RANDOM_ACCESS_POINT_BIT"
> > set during decoding? I mean what PVMF relies to recognize a random access
> > point.
> >
> > I printed nflags of certain H264 mp4 file but found no
> > OMX_BUFFERFLAG_SYNCFRAME set.
> >
> > Could you please help? Thanks.
> >
> >
> >
> > On Mon, Jul 20, 2009 at 11:52 PM, RaviY <yend...@pv.com> wrote:
> >
> > >http://android.git.kernel.org/?p=platform%2Fexternal%2Fopencore.git&a.
> ..
> >
> > > PVMF has a bit set for each frame
> > > (PVMF_MEDIA_DATA_MARKER_INFO_RANDOM_ACCESS_POINT_BIT) that is
> > > considered to be a random access point. The OMX node looks at that bit
> > > and then sets the OMX_BUFFERFLAG_SYNCFRAME bit to the input buffer
> > > header flags.
> >
> > > -Ravi
> >
> > > On Jul 20, 1:47 am, Andy Quan <androidr...@gmail.com> wrote:
> > > > Hi,
> > > > I am working on video playback in Android 1.5 with OpenCORE. I want
> to
> > > know
> > > > whether OpenCORE provides any method to recognize Intra frame in the
> > > > framework, that is, outside OMX IL component.
> >
> > > > I find there is OMX flag named "OMX_BUFFER_SYNCFRAME", but I did not
> find
> > > it
> > > > set when Intra frame was passed in "SendInputBuffertoOMXComponent".
> >
> > > > Thanks a lot.
> >
> > > > --
> > > > Thanks,
> > > > Andy
> >
> > --
> > Thanks,
> > Andy
> >
>


-- 
Thanks,
Andy

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