Function gstreamer_audio_sys::gst_audio_channel_mixer_new

pub unsafe extern "C" fn gst_audio_channel_mixer_new(
    flags: GstAudioChannelMixerFlags, 
    format: GstAudioFormat, 
    in_channels: c_int, 
    in_position: *mut GstAudioChannelPosition, 
    out_channels: c_int, 
    out_position: *mut GstAudioChannelPosition
) -> *mut GstAudioChannelMixer