Audio modifications
* Several codecs are now available: MP3 (default), OPUS, RAW PCM and PCU ulaw
use the folowing typical commands
- /system/sdcard/bin/v4l2rtspserver-master MP3:44100:44100
- /system/sdcard/bin/v4l2rtspserver-master OPUS:48000:48000
- /system/sdcard/bin/v4l2rtspserver-master PCM:8000:8000
- /system/sdcard/bin/v4l2rtspserver-master PCMU:8000:8000
* Setconf can now control volume and filering
'h' set hardware volume (from mic)
'i' set software volume percentage (X will add X44 the data, from 0 to xxx, -1 to do nothing)
'q' set set filter number (1 or 2, 0 no filter)