wavpackdec: Add floating point format support
This commit negotiate F32 audio format if MODE_FLOAT used in wavpack file. Wavpack float mode is always in 32-bit IEEE format.
The following pipeline plays distorted audio if source file is encoded in float mode: gst-launch-1.0 filesrc ... ! wavpackparse ! wavpackdec ! pulsesink
Edited by Tim-Philipp Müller