getPlaybackSpeed
Gets the playback speed of the AudioMixerGroupResource.
Return
The playback speed, whose range is (0.25f, 4.0f]. Rreturning -1.0f indicates getting the playback speed failed.
Gets the playback speed of the AudioMixerGroupResource.
The playback speed, whose range is (0.25f, 4.0f]. Rreturning -1.0f indicates getting the playback speed failed.