* [mac, ios] Adds AudioDecoder::readFixedFrames. And uses readFixedFrames to simply code.
* [mac, ios] ‘ExtAudioFileRead’ may return 0 frame while it doesn’t reach the end of very short audio file.
* [mac, ios] Adds test case for small file test.
* [mac, ios] Adds small audio file.
* [mac, ios] Macro ‘BREAK_IF’ logic fix.
* [mac, ios] Returns false of AudioDecoder::open if total frames is 0.
* fixed#16938: Audio could not be played entirely on iOS/macOS. And refactored some code of decoding.
* Adds license header, removes unused macros.
* issue #16938: Corrects remaining frame count calculation.
* Updates include path.
* Adds comments for AudioDecoder class.
* Adds const for getter functions in AudioDecoder.
* issue #16938: Adds test case.
* Updates license years.
* Deletes trailing white spaces.