many thanks for your quick reply anyway and being anxious for your further
info.

david

2009/3/31 rktb <[email protected]>

>
> hmm... this is unfamiliar territory. and I can't find it either :). I
> will make an action item on my end to get this documented.
>
> For now,  you can look at the API LoadAudioConfiguration() that
> attempts to read the the config file. From here, it looks like the
> file requires 3 lines of data:
> 1st line -- No. of audio samples
> 2nd line -- Average bitrate
> 3rd line -- Timescale
>
> Please try that and I will try to get more concrete information.
>
> -Ravi
>
> On Mar 31, 2:41 am, david <[email protected]> wrote:
> > Hi rktb,
> >
> > Thanks for your response.
> >
> > Now trying to record .amr by using test_pvauthorengine appended with '-
> > audio amrtestinput.amr -output /sdcard/1.amr -test 11 11', but always
> > failed at 'Audio Config File not available!!! Specify -audioconfigfile
> > <filename>'. What does the configure file look like? I'm sorry I can't
> > find out such the file or a sample of it in the OpenCore package. If I
> > should create it myself, with what format should I comply? THANKS in
> > advance.
> >
> > david
> >
> > On Mar 23, 8:06 pm, rktb <[email protected]> wrote:
> >
> > > Ahh..you wanted AAC composer as a reference. Sorry...missed that
> > > point.
> >
> > > Yes. You would require support composing a new format. The
> > > implementation, would however depend on the actual format. For very
> > > simple formats such as AMR and AAC, there is no need for any true
> > > composing. What is required is to directly dump the output of the
> > > encoder to a file, and hence, in such cases, we use the file output
> > > node that will serve as the *composer*. On the other hand, in cases
> > > where there is a requirement for a *container* that is not obtained as
> > > part of the encoder output, you would require a composer (and an
> > > associating node). mp4 composer is one such example.
> >
> > > Now, I am not aware of the QCELP format. So, you would need to make a
> > > decision whether or not it requires a composer or not. Or, you could
> > > discuss it here and we can come to a common solution.
> >
> > > Hope that helps,
> > > Ravi
> >
> > > On Mar 23, 12:23 am, David Wan <[email protected]> wrote:
> >
> > > > I'm sorry if this is a newbie question.
> > > > The truth is I plan to let PVAuthor support the recording of QCELP.
> > > > According to the info of pvauthor found on Google, it seems that a
> composer
> > > > for qcelp is necessary.  But I'm  not sure of that. I'm sorry I have
> no
> > > > sense where I should start to handle this issue. As you mentioned,
> does ADIF
> > > > or ADTS suffice? Could you please specify more detail? THANKS.
> >
> > > > 2009/3/23 rktb <[email protected]>
> >
> > > > > AAC can be composed in two ways. (i) In a mp4 container, which then
> > > > > uses mp4 composer. And, (ii) as ADIF or ADTS format, which then
> uses
> > > > > the fileoutput node. There is no specific composer required.
> >
> > > > > Please note: You still require an AAC encoder, which is not part of
> > > > > OpenCORE.
> >
> > > > > -Ravi
> >
> > > > > On Mar 22, 9:19 pm, david <[email protected]> wrote:
> > > > > > Hi Rktb,
> >
> > > > > > According to your announce - 'Added support for authoring files
> with
> > > > > > AAC audio', can I think that there should be a composer for AAC
> > > > > > enclosed in this latest package? But I do not find it even though
> I've
> > > > > > 'repo sync' for several times.
> >
> > > > > > The real issue I'm facing is that I want to create a composer for
> > > > > > QCELP, but the only one sample of composer existing in OpenCore
> is the
> > > > > > one for MP4. It's complicated and have nothing with QCELP, I
> think.
> > > > > > So, I want to get the latest version for the AAC composer and get
> > > > > > reference to it to create QCELP's composer.
> >
> > > > > > Could you please help me this issue? THANKS.
> >
> > > > > > On Mar 23, 9:43 am, david <[email protected]> wrote:
> >
> > > > > > > Great, many thanks to you.
> >
> > > > > > > On Mar 21, 3:51 pm, rktb <[email protected]> wrote:
> >
> > > > > > > > fyi...2.1 release was renamed 2.01. And, there is an update
> to that
> > > > > > > > release as well, i.e., we are now at OpenCORE 2.02.
> >
> > > > > > > > The latest using "repo sync" would get you 2.02.
> >
> > > > > > > > -Ravi
> >
> > > > > > > > On Mar 21, 1:50 am, david <[email protected]> wrote:
> >
> > > > > > > > > Hi, I'm a newbie on Android & OpenCore. And now I got the
> OpenCore
> > > > > 2.0
> > > > > > > > > source by using 'repo sync'. But I don't know how to get
> this
> > > > > > > > > latest    version 2.1 of OpenCore. Could you help me with
> this?
> > > > > Thanks
> > > > > > > > > a lot.
> >
> > > > > > > > > On Feb 26, 10:27 pm, GregS <[email protected]> wrote:
> >
> > > > > > > > > > OpenCORE 2.1 has been released and is now available on
> the master
> > > > > > > > > > branch.  There is a git tag "v2.1" marking the version.
>  It
> > > > > contains a
> > > > > > > > > > number of new features and improvements on top of the
> OpenCORE
> > > > > 2.0
> > > > > > > > > > release that happened about 1 month ago.  Here's a link
> to the
> > > > > > > > > > previous announcement in case you missed it:
> > > > >
> http://groups.google.com/group/android-framework/browse_thread/thread....
> > > > > > > > > > Below is a description of the changes that have been
> introduced
> > > > > since
> > > > > > > > > > then as part of OpenCORE 2.1:
> >
> > > > > > > > > > New Features
> > > > > > > > > > * OpenMAX Codec-related:
> > > > > > > > > >   - Introduced the OMXConfigParser API to help in
> determining
> > > > > > > > > >     which OpenMAX components can support the input
> bitstream.
> > > > > > > > > >     It is used to narrow the list of candidate OpenMAX
> components
> > > > > > > > > >     to be used for playback.  See the OpenMAX Core
> Integration
> > > > > Guide
> > > > > > > > > >     document in the doc directory for more information.
> > > > > > > > > >   - Added OMX AAC encoder support in the OMX encoder.
> > > > > > > > > >   - Modified to use separate component roles for AMR-NB
> and
> > > > > AMR-WB as
> > > > > > > > > >     described in the OpenMAX IL spec version 1.1.2.
> > > > > > > > > >   - Added support for a new buffer format for H.264/AVC
> decode
> > > > > and
> > > > > > > > > > encode
> > > > > > > > > >     to allow passing multiple NALs in a single buffer.
>  The
> > > > > format
> > > > > > > > > > uses
> > > > > > > > > >     OMX_OTHER_EXTRADATA structure defined in section
> 4.2.33 of
> > > > > the
> > > > > > > > > >     OpenMAX IL spec version 1.1.2 to pass NAL lengths.
>  See the
> > > > > > > > > >     OpenMAX Core Integration Guide document in the doc
> directory
> > > > > > > > > >     for more information.
> > > > > > > > > > * Author-related:
> > > > > > > > > >   - Added support for authoring files with AAC audio.
> > > > > > > > > >   - Added support for authoring AMR-WB audio to MP4/3GP
> files and
> > > > > > > > > >     IETF storage format.
> > > > > > > > > >   - Added support for writing to an open file descriptor
> as an
> > > > > option
> > > > > > > > > >     instead of simply providing a filename.  The file
> descriptor
> > > > > > > > > > option
> > > > > > > > > >     is useful for cases where another process needs to
> open the
> > > > > file
> > > > > > > > > > because
> > > > > > > > > >     of permissions.
> > > > > > > > > > * Added large file support in OSCL (i.e., 64-bit file
> size/offset
> > > > > > > > > > support)
> > > > > > > > > >   to handle files greater than 2 GiB on filesystems that
> support
> > > > > it.
> > > > > > > > > > * Added rotation support in the 32-bit color-conversion
> class.
> >
> > > > > > > > > > Improvements
> > > > > > > > > > * Removed dynamically loaded modules from the prelink map
> to
> > > > > avoid
> > > > > > > > > > clutter
> > > > > > > > > >   and to make both the prelink map and loadable modules
> easier to
> > > > > > > > > > manage.
> > > > > > > > > >   There may be an issue if a single instance of process
> tries to
> > > > > load
> > > > > > > > > >   libraries not in the prelink map more than 256 times
> > > > > (Seehttp://code.google.com/p/android/issues/detail?id=2042).
> > > > > > > > > > * Update to the MP3 Decoder to fix security issue
> > > > > (oCERT_2009-002,
> > > > > > > > > > CVE-2009-0475)
> > > > > > > > > > * Renamed the OSCL config directory linux_nj to android
> to match
> > > > > the
> > > > > > > > > > platform name.
> > > > > > > > > >   Replaced all references of nj with android in the
> codebase.
> > > > > > > > > > * General security improvements found from static
> analysis in the
> > > > > > > > > > following areas:
> > > > > > > > > >   - Buffer and type overruns and underruns
> > > > > > > > > >   - Null pointer references
> > > > > > > > > > * Refactored the jitter buffer node into a more modular
> > > > > architecture
> > > > > > > > > > for
> > > > > > > > > >   better support of different streaming use-cases and
> protocols.
> > > > > > > > > > * Fixed an issue in the MP3 decoder when decoding for
> very of
> > > > > long
> > > > > > > > > >   durations (over 2 GiB of data).
> > > > > > > > > > * General improvements found during 3GPP packet-switched
> > > > > streaming
> > > > > > > > > >   interoperability testing.
> > > > > > > > > > * General improvements and resolution of issues found
> from module
> > > > > > > > > >   level and engine (player, author, 2-way) level unit
> testing.
> >
> > > > > > > > > > New APIs / behaviors
> > > > > > > > > > * Added support in the player engine to cancel a single
> pending
> > > > > > > > > > command
> > > > > > > > > >   using the CancelCommand API.  See the player engine API
> > > > > document for
> > > > > > > > > > details.
> > > > > > > > > > * Renumbered the author test cases to avoid issues with
> > > > > > > > > >   preprocessor conditionals changing the test numbers
> based on
> > > > > > > > > > settings.
> > > > > > > > > >   Now the test numbers shouldn't change.
> > > > > > > > > > * In the case of 3rd party OMX components that support
> multiple
> > > > > roles
> > > > > > > > > > -
> > > > > > > > > >   returns an error if the component cannot set the role
> parameter
> > > > > > > > > > * OMX components need to explicitly set nPortIndex
> parameter for
> > > > > > > > > >   all appropriate parameters
> > > > > > > > > > * Added fix for buffering percentage notification in
> streaming
> > > > > > > > > > scenario
> > > > > > > > > >   (seehttps://
> review.source.android.com/Gerrit#change,8699)
> > > > > > > > > > * Updated omx shared library build configuration to
> separate
> > > > > component
> > > > > > > > > > registration from component build
> > > > > > > > > > * Added methods in baselibs to serialize and deserialize
> the
> > > > > UTF-16,
> > > > > > > > > > UTF-16LE, UTF-16BE strings
> > > > > > > > > > * Removed the iUseCPMPluginRegistry flag from the source
> data
> > > > > that was
> > > > > > > > > > previously
> > > > > > > > > >   used to enable the content policy manager.  Since the
> CPM
> > > > > plugins
> > > > > > > > > > are dynamically
> > > > > > > > > >   loaded, the flag is not needed and was removed.  See
> the
> >
> > ...
> >
> > read more ยป
> >
>

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