What is MediaCodec in Android?
What is MediaCodec in Android?
MediaCodec class can be used to access low-level media codecs, i.e. encoder/decoder components. It is part of the Android low-level multimedia support infrastructure (normally used together with MediaExtractor , MediaSync , MediaMuxer , MediaCrypto , MediaDrm , Image , Surface , and AudioTrack .)
How does MediaCodec work?
It processes data asynchronously and uses a set of input and output buffers. At a simplistic level, you request (or receive) an empty input buffer, fill it up with data and send it to the codec for processing. The codec uses up the data and transforms it into one of its empty output buffers.
How do I encode a video on Android?
Go to Media > Convert/Save, add the file to be converted, and choose Convert from the selection at the bottom. Name your Destination File [filename]. mp4, and from the Profile list choose Video — H. 264 + AAC (TS).
How do I enable codec?
Work
- Introduction.
- 1Double-click a video or audio file.
- 2Click the Web Help button.
- 3Click the WMPlugins link.
- 4Click the link to the codec download site.
- 5Click I Accept.
- 6Click the link to download the codec.
- 7When the download is done, click the Run button.
What is Lastknownlocation in Android *?
Using the Google Play services location APIs, your app can request the last known location of the user’s device. It manages the underlying location technology and provides a simple API so that you can specify requirements at a high level, like high accuracy or low power.
Why are codecs used?
Codec is a portmanteau of coder/decoder. A coder or encoder encodes a data stream or a signal for transmission or storage, possibly in encrypted form, and the decoder function reverses the encoding for playback or editing. Codecs are used in videoconferencing, streaming media, and video editing applications.
