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