In general, MediaCodec is the one that would be recommended. The OpenMAX AL API was added as a stopgap measure in Android Stagefright is a successor to OpenCore on Android platform compliant to OpenMAX IL, shipped in GB and later android distributions. gst-openmax for android. Contribute to prajnashi/gst-openmax development by creating an account on GitHub.
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There was a nice presentation I saw QC give a while ago on how to recompile the Android system to give you QC libraries you can package with your application that give full support for OpenMAX but I can no longer find that presentation. Unfortunately, Google isn’t providing a complete implementation; so in this case it really falls down.
Stagefright audio and video playback features include integration with OpenMAX codecs, session management, time-synchronized rendering, transport control, and DRM. The building blocks might be used to accelerate traditional computational hotspots within standardized media codecs and other integrated media processing engines. Qualcomm makes no representations, warranties, or other commitments whatsoever about any non-Qualcomm sites or third-party resources that may be referenced, accessible from, or linked to this site.
Ketan 6 Nice to know that you have closer association and experienced it first time. It allows companies that develop applications to easily migrate their applications to different platforms customers that support the OpenMAX AL application programming interface API.
Views Read Edit View history. Depending on the implementation, a component could possibly represent a piece of hardware, a software codec, another processor, or a combination thereof. It allows companies to easily integrate new hardware that supports OpenMAX DL without reoptimizing their low level software. Hi Winston, Thanks for the reply. Such is the world we live in. I saw that OpenMAX is not fully implemented and lacks support in terms of documentation, examples etc. Media architecture Application Framework At the application framework level is application code that utilizes android.
Perform image processing on per frame basis. Content and code samples on this page are subject to the licenses described in the Content License.
This is the last place to get any information. OpenMAX provides three layers of interfaces: Hi Ketan, Here are the answers to your questions.
Requires you to handle sync manually Quite low level, requires you to do a lot of work For extracting individual packets of data, there’s the MediaExtractor class, which will be useful with some common file formats for static files.
Initially announced in July Architecture Media applications interact with the Android native multimedia framework according to the following architecture. It does, however, take care of sync of audio and video. This is unfortunately an area that hasn’t received a lot of attention from Google.
One more question – Does MediaCodec guarantee that it will use hardware decoders and if fails then fallbacks to sw mode? Media applications interact with the Android native multimedia framework according to the following architecture. From Wikipedia, the free encyclopedia.
Stagefright comes with built-in software codecs for common media formats, but you can also add your own custom hardware codecs as OpenMAX components.
OpenMAX – Wikipedia
In general, MediaCodec is the one that would be recommended. What’s sad is the different levels of support even amongst different NDK versions has created a situation where it’s not easy to create sample code.
Ok, I successfully added the .so lib in the config.make :
I thought for MediaCodec, it can stream mp4, webp etc formats as mentioned online. OpenMAX is used mostly by hardware vendors to provide decoders but it is almost useless at higher level.
Like I said, there really isn’t one standard here yet. If you use MediaCodec. As of Android 4. oppenmax
Forums – MediaCodec vs OpenMAX as implementation interface
Here are the answers to your questions. I would be doing some processing on each video frames.
Stagefright updates can occur through the Android monthly security update process and as part of an Android OS release. Kpenmax platform can be compliant to one or both of these profiles by providing all features included in a profile.