Add support for PCM_S24LE.

[Walkyst]

Thanks for PR! Can you send example of audio that is require this change?

[devoxin]

Certainly! An example S24LE audio file can be found here.

You can generate your own S24LE audio files with the following ffmpeg command: ffmpeg -i <input file> -f s24le output_file.wav

[Walkyst]

Please make other PR if you want this on custom branch too