try to extract wave format audio

[sayan801]

Code for Wave Format implementation

https://code.google.com/p/musicg/source/browse/#git%2Fsrc%2Fcom%2Fmusicg%2Fwave%253Fstate%253Dclosed

Documentation of Wave Format

• https://ccrma.stanford.edu/courses/422/projects/WaveFormat/
• http://en.wikipedia.org/wiki/WAV
• http://savvyadmin.com/extract-audio-from-video-files-to-wav-using-ffmpeg/

  Objective

Extract Audio Data and save as wave format.

[sayan801]

We use MediaExtractor & MediaCodec to get the byte data and store as wave format..

https://android.googlesource.com/platform/cts/+/kitkat-release/tests/tests/media/src/android/media/cts/MediaCodecTest.java