No, I don't think it's necessary to change any existed Opencore code to
support a new container format.You can implement you own parser and
recognizer in a separate module, then register it in opencore framework
dynamically with a .cfg file.
2009/7/17 shadow <yuri.bul...@gmail.com>
>
> Hi Freepine,
>
> Could you tell me, should i change opencore sources, to add my own
> file recognizer or and new nodes into it?
>
> --
> Best regards,
> Yuri
>
> On 14 июл, 18:47, Freepine <freep...@gmail.com> wrote:
> > That's strange.
> > Normally, player engine would call OsclSharedLibrary:: QueryInterface
> after
> > loading so successfully, to retrieve the interfaces for registering nodes
> > and recognizers, which in turn invokes PVGetInterface from your
> library.So
> > it might be helpful to add more logs in pv_player_node_registry.cpp and
> > oscl_shared_library.cpp to see what's happening.
> >
> > -Freepine
> >
> > 2009/7/14 shadow <yuri.bul...@gmail.com>
> >
> >
> >
> >
> >
> > > Hi Freepine,
> >
> > > I've tried both variants for tracing, including logs file dumping.
> >
> > > --
> > > Best regards,
> > > Yuri
> >
> > > On 13 июл, 21:04, Freepine <freep...@gmail.com> wrote:
> > > > Hi, if you mean you didn't see the output of
> > > > "printf("PVGetInterface()\n");"in logcat, perhaps you can try to
> > > > replace it with LOGE:)
> > > > -Freepine
> >
> > > > On Mon, Jul 13, 2009 at 6:19 PM, shadow <yuri.bul...@gmail.com>
> wrote:
> >
> > > > > Yes, i've tried that, my library was loaded, but none method has
> been
> > > > > called from it. I would suppose that is core should call that
> method:
> >
> > > > > OsclSharedLibraryInterface *PVGetInterface( void );
> >
> > > > > but it's didn't happen ;-(
> >
> > > > > --
> > > > > Yuri
> >
> > > > > On 13 июл, 17:12, sesha giri <sesha_giri_n...@yahoo.co.in> wrote:
> > > > > > I am not asking to call in from test app
> > > > > > I am telling you to call it from media gallery if its video file
> or
> > > from
> > > > > music if its a audio file.
> > > > > > Have you checked with that one.
> >
> > > > > > Basically I am not able to get what you want to the end result to
> be.
> >
> > > > > > ________________________________
> > > > > > From: shadow <yuri.bul...@gmail.com>
> > > > > > To: android-framework <android-framework@googlegroups.com>
> > > > > > Sent: Monday, 13 July, 2009 3:37:18 PM
> > > > > > Subject: Re: how to register in the opencore framework own file
> > > container
> > > > > recognizer
> >
> > > > > > Are you mean, to load my library inside some test application and
> > > call
> > > > > > exported methods from there? actually i didn't make such test
> yet, i
> > > > > > thought that there are shouldn't be problems, because the library
> is
> > > > > > quite simple for now... but i'll do that test... and what should
> i do
> > > > > > in case of success, i mean if i'll be able to call methods of
> mine
> > > > > > library from some test app?
> >
> > > > > > thanks for the help.
> >
> > > > > > --
> > > > > > Yuri
> >
> > > > > > On 13 июл, 17:00, sesha giri <sesha_giri_n...@yahoo.co.in>
> wrote:
> >
> > > > > > > Are you able to call your file parser??
> >
> > > > > > > ________________________________
> > > > > > > From: shadow <yuri.bul...@gmail.com>
> > > > > > > To: android-framework <android-framework@googlegroups.com>
> > > > > > > Sent: Monday, 13 July, 2009 3:09:50 PM
> > > > > > > Subject: Re: how to register in the opencore framework own file
> > > > > container recognizer
> >
> > > > > > > Yes, I'm using own file container type recognizer (file
> container
> > > > > > > parser/demultiplexer):
> >
> > > > > > > 1) which search for necessary magic sequence in the given file
> -
> > > and
> > > > > > > making a desicion it's supported file type or not;
> > > > > > > 2) node (engine) - which would be a demultiplexer engine.
> >
> > > > > > > in general i want to implement demultiplexer (splitter) only,
> like
> > > the
> > > > > > > opencore existing one (MP4).
> >
> > > > > > > --
> > > > > > > Yuri
> >
> > > > > > > On 13 июл, 16:27, sesha giri <sesha_giri_n...@yahoo.co.in>
> wrote:
> >
> > > > > > > > In that case you are using your own parser??
> > > > > > > > Is it a audio or a video component??
> >
> > > > > > > > Wht is the MIME type for the FF u have used??
> >
> > > > > > > > ________________________________
> > > > > > > > From: shadow <yuri.bul...@gmail.com>
> > > > > > > > To: android-framework <android-framework@googlegroups.com>
> > > > > > > > Sent: Monday, 13 July, 2009 2:43:09 PM
> > > > > > > > Subject: Re: how to register in the opencore framework own
> file
> > > > > container recognizer
> >
> > > > > > > > Hi Giri,
> >
> > > > > > > > Thanks for the fast response, yup, i'm trying to use
> existing
> > > one,
> > > > > > > > and add into it my own opencore plugins.
> >
> > > > > > > > --
> > > > > > > > Best Regards,
> > > > > > > > Yuri
> >
> > > > > > > > On 13 июл, 15:21, sesha giri <sesha_giri_n...@yahoo.co.in>
> > > wrote:
> >
> > > > > > > > > Hi Yuri,
> >
> > > > > > > > > Are you trying to write your own core.
> > > > > > > > > Are you are using the existing core and trying to add your
> own
> > > node
> > > > > for the new file formate.
> >
> > > > > > > > > --Giri
> >
> > > > > > > > > ________________________________
> > > > > > > > > From: shadow <yuri.bul...@gmail.com>
> > > > > > > > > To: android-framework <android-framework@googlegroups.com>
> > > > > > > > > Sent: Monday, 13 July, 2009 1:43:27 PM
> > > > > > > > > Subject: how to register in the opencore framework own file
> > > > > container recognizer
> >
> > > > > > > > > Hi all,
> >
> > > > > > > > > I'm trying to develop own opencore wrapper around some file
> > > format,
> > > > > > > > > for example MKV... i've created shared library called
> > > > > > > > > my_mkv_recognizer.so, and put it into /system/lib folder.
> >
> > > > > > > > > The following interfaces are present in the library:
> > > > > > > > >
> ==============================================================
> > > > > > > > > 1) class CMyMkvSplitterRecognizerFactory : public
> > > > > > > > > PVMFRecognizerPluginFactory;
> > > > > > > > > 2) class CMyMkvRecognizerPlugin : public
> > > > > > > > > PVMFRecognizerPluginInterface;
> > > > > > > > > 3) class CMyMkvNodesRegistryInterface: public
> > > > > > > > > OsclSharedLibraryInterface,
> > > > > > > > > public NodeRegistryPopulatorInterface,
> > > > > > > > > public RecognizerPopulatorInterface;
> >
> > > > > > > > > 4) OsclSharedLibraryInterface *PVGetInterface( void )
> > > > > > > > > {
> > > > > > > > > printf("PVGetInterface()\n");
> > > > > > > > > return OSCL_NEW(CMyMkvNodesRegistryInterface, ());
> > > > > > > > > }
> >
> > > > > > > > > void PVReleaseInterface ( OsclSharedLibraryInterface*
> > > aInstance
> > > > > )
> > > > > > > > > {
> > > > > > > > > OSCL_DELETE( aInstance );
> > > > > > > > > }
> > > > > > > > >
> ==============================================================
> >
> > > > > > > > > Then i've created config file: my_plugin.cfg, and put it
> into
> > > /etc
> > > > > > > > > folder, this file contains the following strings:
> > > > > > > > >
> (0x1d4769f0,0xca0c,0x11dc,0x95,0xff,0x08,0x00,0x20,0x0c,0x9a,
> > > > > > > > > 0x66),"libopencoremkvsplitterrecognizer.so"
> > > > > > > > >
> (0x6d3413a0,0xca0c,0x11dc,0x95,0xff,0x08,0x00,0x20,0x0c,0x9a,
> > > > > > > > > 0x66),"libopencoremkvsplitterrecognizer.so"
> >
> > > > > > > > > And now the problem is ;-) .... i can see in the trace log
> that
> > > is
> > > > > my
> > > > > > > > > lib was loaded, but none method has been called. Why?
> >
> > > > > > > > > --
> > > > > > > > > Best regards,
> > > > > > > > > Yuri
> >
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