loft商业空间:An overview of Stagefright player]An overview of Stagefright player

来源：百度文库编辑：中财网时间：2024/04/29 23:42:37

There is a new playback engine implemented by Google comes with Android2.0 (i.e, Stagefright), which seems to be quite simple andstraightforward compared with the OpenCORE solution.

MediaExtractor is responsible for retrieving track data and the corresponding meta data from the underlying file system or http stream;
Leveraging OMX for decoding: there are two OMX plugins currently, adapting to PV's software codec and vendor's hardware implementation respectively. And there is a local implementation of software codecs which encapsulates PV's decoder APIs directly;
AudioPlayer is responsible for rendering audio, it also provides the timebase for timing and A/V synchronization whenever audio track is present;
Depending on which codec is picked, a local or remote render will be created for video rendering; and system clock is used as the timebase for video only playback;
AwesomePlayer works as the engine to coordinate the above modules, and is finally connected into android media framework through the adapter of StagefrightPlayer.

This diagram shows an overview of the key steps who can give me an overview of china? OVERVIEW OF THE LOGICAL PROCESS an article of是什么意思? an order of scrambled eggs是什么意思?an order of 是什么意思? Poem of an Iraqi child an oath of unchanging fidelity! the organization of an article an essay of dramatic poesy An ocean of Tears是什么意思大家知道网络哪里有免费Meshless methods: An overview and recent developments的中文或者翻译 an informed member of the public是什么意思？ the benefits of hosting an exhibition An army of bees were flying around. half an inch of water 翻译一下 Frost is an enemy of plants. An analysis of Hamlet's character Is xing`an the capital of China? sustained as a result of an infringement E-business as an agent of change the bottom line productivity of an airport three-quarters of an inch是什么意思?? Writing an E-mail of inquiry Just come on down of that stage and stop wasting my time