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2009-03-10 OpenCORE 2.02
There is minor version number nomenclature change where the
minor version is now two digits. So the previous releases
in the new nomenclature are 2.00 (2.0) and 2.01 (2.1). The
new release is 2.02, which is a minor version increment beyond
the previous release.
New Features
- AMR-WB support added to the OMX encoder node so that it can utilize
an OMX AMR-WB encoder component if it is part of the OMX core.
- Buffer allocator mechanism allowing the Media I/O components to
supply buffers to the OMX decoders. This method is especially useful
as an alternative way to allocate video buffers. Details can be
found in the new document "Guide to Supplying Decoder Buffers from
the MIO Component" in the file mio_decoder_buffer_allocation_guide.pdf
in the top-level doc directory.
- Resolution of Valgrind and static analysis warnings in player and author
- Improvements in support for .mov files in MP4 FF Parser(relaxed some checks).
- Modified OMX encoder node to allow setting the AMR bitrate
based on an extension interface value.
- Fix inconsistencies in OSCL find method related to inclusion of the
directory name with the filename.
- Improvement in PVMFInfoErrorHandlingComplete in the player datapath
- Refactor of the Protocol Engine node to support a plugin architecture.
This improves extensibility of the module for new features in the future.
- Introduce QueryInterfaceSync in PVMFNodeInterface and "all" metadata key
- AMR NB and WB have conflicting meaning for frame_type and mode elements
- Change the default settings related to caching for Oscl_File when
using PVFile within the fileformat parsers.
- Replace test.mp4 with interop clip
- Update of tests for support for progressive download of AMR
- OMX Khronos header files (Omx_Core.h, Omx_Component.h) capitalization
changed to match that from the Khronos (previously they were all lowercase).
- Updated MIO Developer's Guide in the top-level doc directory.
Bugs Fixed
- Memory leak when running GCF TC212 (2way-related)
- MediaClockConverter divided by zero caused by timescale 0
- MP4 composer node destructor memory corruption fixed.
- Fix for intermittent crash in player engine TC 105
- OMX dec node did not reset all the internal state during
Reset processing.
2009-02-26 OpenCORE 2.1 (2.01)
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.
* 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
a process tries to load libraries not in the prelink map more than
256 times
* Update to the MP3 Decoder to fix security issue (oCERT_2009-002,
* Renamed the OSCL config directory linux_nj to android to match the
platform name. Replaced all references of nj with android in the
* 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 (see,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 pluginsare dynamically loaded, the flag is not
needed and was removed. See the playerdriver.cpp for details
of the change.
2009-01-26 OpenCORE 2.0 (2.00)
New Features
- Consolidation of the clock logic into a common clock object
(PVMFMediaClock). More details will be provided in a
Tech note at a later time.
- Refactor MP4 Composer library
- omx component refactoring (Introducing base omx component class)
- OMX Encoder Support
- Check URIs for illegal characters and run escaping algorithm if any
are found.
- Support for 3GPP AssetInfo Metadata in Author SDK
- MP3 Dynamic TOC Construction
- Modify MPEG4/H.263 node/library to support arbitrary Decoder
Configuration Information (DCI)
- backward playback support for MP4
- Refactoring Colorconversion from mpeg4 encoder and adding support
for YUV420SemiPlanar
- Refactor streaming manager node into feature specifc plugins
- Thread Safe Player Engine APIs and Thread Safe queue
- Adding capability to turn off AC prediction and change
IntraDCVlcThreshold for MPEG4 encoder library
- Dynamically populate recognizer registry
- add 2way support for OpenCORE
- Combine OMX audio dec node and Video Dec node
- OMX MasterCore
- Apply new RGB to YUV color conversion libraries to OMX encoder
- Use loadable modules in CPM
- Adding support for YUV420Semiplanar to avc encoder, m4v encoder and
- introduce dynamic loading of individual omx components
- Removal of all compiler warnings reported by Android compiler
Exception: unit test app code
- Module-level unit test fixes
- Various Valgrind errors and fixes
- Various Codesonar warnings and fixes
- various security audit and fixes
- various memory leak fixes
- various crash, hang fixes for specific test content or test cases
- Re-work Oscl Scheduler semaphore & lock
- Author Engine Error Handling Robustness
- Player Engine Error Handling Robustness
- Add capability of assembling partial frames and inserting NAL start
codes to OMX node
- The media I/O component configuration process needs to be improved.
- Fundamental change in behavior of repositioning during 3GPP
- Improvements to the PV FrameMetadataUtility [FMU]
- mp3 parser - duration calculation by walking file in background
- IOT merges from 2-way team
- Longevity issues with live streaming
- Local Playback MP3 file does not display attached art work
- Issues with Oscl Leave, Panic, and Assert
- Modify allocators to not leave in case of an alloc failure, but
instead have them return OsclErrNoMemory
- Conversion of strcmp and strstr usage to strncmp for non null
terminated Strings
- Change Oscl memory auditing from TLS-based to Singleton-based
- Buffer status report in a periodical manner to improve the app
awareness about how engine is running in low bandwidth for PDL/PS
- AVC Encoder Improved Rate Control
- State Transition: Remove implicit ThreadLogoff() from Nodes
- Include aac recognizer for Android
- Audit MP4 parser against new iTunes spec
- Replace PVMFSMSharedBufferAllocWithReSize allocator with
- Player Engine registry re-work
New KVPs / APIs / API behaviors
- Change Download Manager Stop Command to Stop Download
- Add a KVP to configure jitter buffer inactivity run time from the
- OSCL Critical Error Handling
- Adding kvp in SM node to set rtsp_timeout timer in rtsp engine node
- Get rid of "getTrackOTIType" API in parser lib and switch mp4 parser
node to use "getTrackMIMEType".
- Adding capability to turn off AC prediction and change
IntraDCVlcThreshold for MPEG4 encoder library
- Deprecate PVMFCPMPluginLocalSyncAccessInterface
- Introduce new API in Engine to Release MetaData Values
- Use of PVMF format types in player registries
- Introduce new kvp key to set jitter buffer size
- Add a new meta data key to Mp3ParserNode to support channel mode
- Support for taking in video bitrate and other params from a config
file, for uncompressed AVI test cases.
- Deprecate TLS-based memory audit
- Use KVP "nodedataqueuing_timeout" instead of compile time tuneable
- Please apply "mode=" for "x-pvmf/net/user-agent;valtype=char*" key.
- Change libpv*.so to libopencore_*.so
- Singleton and lock/unlock mechanism needed for OMX master core
- In case of 3rd party OMX components that support multiple roles -
input dec format and output enc format needs to be specified
- OMX Core plugin code (for 3rd party omx cores integration)
Known Issues
- Had to temporarily remove the doc directory because of conflicts
with Gerrit and PDF files. These will be uploaded again now that
Gerrit is updated.
- Additional documentation will be released as soon as possible.
- The OpenMAX encoder node is configuring the OpenMAX component with
the wrong format for AMR. It is using
OMX_AUDIO_AMRFrameFormatRTPPayload when it should be
- The OpenMAX encoder node is not handling Reset correctly in all