godot/doc/classes/AudioServer.xml

<?xml version="1.0" encoding="UTF-8" ?>
<class name="AudioServer" inherits="Object" category="Core" version="3.1.2">
	<brief_description>
		Server interface for low level audio access.
	</brief_description>
	<description>
		AudioServer is a low level server interface for audio access. It is in charge of creating sample data (playable audio) as well as its playback via a voice interface.
	</description>
	<tutorials>
		<link>https://docs.godotengine.org/en/3.1/tutorials/audio/audio_buses.html</link>
	</tutorials>
	<methods>
		<method name="add_bus">
			<return type="void">
			</return>
			<argument index="0" name="at_position" type="int" default="-1">
			</argument>
			<description>
				Adds a bus at [code]at_position[/code].
			</description>
		</method>
		<method name="add_bus_effect">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="effect" type="AudioEffect">
			</argument>
			<argument index="2" name="at_position" type="int" default="-1">
			</argument>
			<description>
				Adds an [AudioEffect] effect to the bus [code]bus_idx[/code] at [code]at_position[/code].
			</description>
		</method>
		<method name="capture_get_device">
			<return type="String">
			</return>
			<description>
			</description>
		</method>
		<method name="capture_get_device_list">
			<return type="Array">
			</return>
			<description>
			</description>
		</method>
		<method name="capture_set_device">
			<return type="void">
			</return>
			<argument index="0" name="name" type="String">
			</argument>
			<description>
			</description>
		</method>
		<method name="generate_bus_layout" qualifiers="const">
			<return type="AudioBusLayout">
			</return>
			<description>
				Generates an [AudioBusLayout] using the available buses and effects.
			</description>
		</method>
		<method name="get_bus_channels" qualifiers="const">
			<return type="int">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<description>
				Returns the amount of channels of the bus at index [code]bus_idx[/code].
			</description>
		</method>
		<method name="get_bus_count" qualifiers="const">
			<return type="int">
			</return>
			<description>
				Returns the number of available buses.
			</description>
		</method>
		<method name="get_bus_effect">
			<return type="AudioEffect">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="effect_idx" type="int">
			</argument>
			<description>
				Returns the [AudioEffect] at position [code]effect_idx[/code] in bus [code]bus_idx[/code].
			</description>
		</method>
		<method name="get_bus_effect_count">
			<return type="int">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<description>
				Returns the number of effects on the bus at [code]bus_idx[/code].
			</description>
		</method>
		<method name="get_bus_effect_instance">
			<return type="AudioEffectInstance">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="effect_idx" type="int">
			</argument>
			<argument index="2" name="channel" type="int" default="0">
			</argument>
			<description>
			</description>
		</method>
		<method name="get_bus_index" qualifiers="const">
			<return type="int">
			</return>
			<argument index="0" name="bus_name" type="String">
			</argument>
			<description>
				Returns the index of the bus with the name [code]bus_name[/code].
			</description>
		</method>
		<method name="get_bus_name" qualifiers="const">
			<return type="String">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<description>
				Returns the name of the bus with the index [code]bus_idx[/code].
			</description>
		</method>
		<method name="get_bus_peak_volume_left_db" qualifiers="const">
			<return type="float">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="channel" type="int">
			</argument>
			<description>
				Returns the peak volume of the left speaker at bus index [code]bus_idx[/code] and channel index [code]channel[/code].
			</description>
		</method>
		<method name="get_bus_peak_volume_right_db" qualifiers="const">
			<return type="float">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="channel" type="int">
			</argument>
			<description>
				Returns the peak volume of the right speaker at bus index [code]bus_idx[/code] and channel index [code]channel[/code].
			</description>
		</method>
		<method name="get_bus_send" qualifiers="const">
			<return type="String">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<description>
				Returns the name of the bus that the bus at index [code]bus_idx[/code] sends to.
			</description>
		</method>
		<method name="get_bus_volume_db" qualifiers="const">
			<return type="float">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<description>
				Returns the volume of the bus at index [code]bus_idx[/code] in dB.
			</description>
		</method>
		<method name="get_device">
			<return type="String">
			</return>
			<description>
			</description>
		</method>
		<method name="get_device_list">
			<return type="Array">
			</return>
			<description>
			</description>
		</method>
		<method name="get_mix_rate" qualifiers="const">
			<return type="float">
			</return>
			<description>
				Returns the sample rate at the output of the audioserver.
			</description>
		</method>
		<method name="get_speaker_mode" qualifiers="const">
			<return type="int" enum="AudioServer.SpeakerMode">
			</return>
			<description>
				Returns the speaker configuration.
			</description>
		</method>
		<method name="is_bus_bypassing_effects" qualifiers="const">
			<return type="bool">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<description>
				If [code]true[/code], the bus at index [code]bus_idx[/code] is bypassing effects.
			</description>
		</method>
		<method name="is_bus_effect_enabled" qualifiers="const">
			<return type="bool">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="effect_idx" type="int">
			</argument>
			<description>
				If [code]true[/code], the effect at index [code]effect_idx[/code] on the bus at index [code]bus_idx[/code] is enabled.
			</description>
		</method>
		<method name="is_bus_mute" qualifiers="const">
			<return type="bool">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<description>
				If [code]true[/code], the bus at index [code]bus_idx[/code] is muted.
			</description>
		</method>
		<method name="is_bus_solo" qualifiers="const">
			<return type="bool">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<description>
				If [code]true[/code], the bus at index [code]bus_idx[/code] is in solo mode.
			</description>
		</method>
		<method name="lock">
			<return type="void">
			</return>
			<description>
				Locks the audio drivers mainloop. Remember to unlock it afterwards.
			</description>
		</method>
		<method name="move_bus">
			<return type="void">
			</return>
			<argument index="0" name="index" type="int">
			</argument>
			<argument index="1" name="to_index" type="int">
			</argument>
			<description>
				Moves the bus from index [code]index[/code] to index [code]to_index[/code].
			</description>
		</method>
		<method name="remove_bus">
			<return type="void">
			</return>
			<argument index="0" name="index" type="int">
			</argument>
			<description>
				Removes the bus at index [code]index[/code].
			</description>
		</method>
		<method name="remove_bus_effect">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="effect_idx" type="int">
			</argument>
			<description>
				Removes the effect at index [code]effect_idx[/code] from the bus at index [code]bus_idx[/code].
			</description>
		</method>
		<method name="set_bus_bypass_effects">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="enable" type="bool">
			</argument>
			<description>
				If [code]true[/code], the bus at index [code]bus_idx[/code] is bypassing effects.
			</description>
		</method>
		<method name="set_bus_count">
			<return type="void">
			</return>
			<argument index="0" name="amount" type="int">
			</argument>
			<description>
				Adds and removes buses to make the number of buses match [code]amount[/code].
			</description>
		</method>
		<method name="set_bus_effect_enabled">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="effect_idx" type="int">
			</argument>
			<argument index="2" name="enabled" type="bool">
			</argument>
			<description>
				If [code]true[/code], the effect at index [code]effect_idx[/code] on the bus at index [code]bus_idx[/code] is enabled.
			</description>
		</method>
		<method name="set_bus_layout">
			<return type="void">
			</return>
			<argument index="0" name="bus_layout" type="AudioBusLayout">
			</argument>
			<description>
				Overwrites the currently used [AudioBusLayout].
			</description>
		</method>
		<method name="set_bus_mute">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="enable" type="bool">
			</argument>
			<description>
				If [code]true[/code], the bus at index [code]bus_idx[/code] is muted.
			</description>
		</method>
		<method name="set_bus_name">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="name" type="String">
			</argument>
			<description>
				Sets the name of the bus at index [code]bus_idx[/code] to [code]name[/code].
			</description>
		</method>
		<method name="set_bus_send">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="send" type="String">
			</argument>
			<description>
				Connects the output of the bus at [code]bus_idx[/code] to the bus named [code]send[/code].
			</description>
		</method>
		<method name="set_bus_solo">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="enable" type="bool">
			</argument>
			<description>
				If [code]true[/code], the bus at index [code]bus_idx[/code] is in solo mode.
			</description>
		</method>
		<method name="set_bus_volume_db">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="volume_db" type="float">
			</argument>
			<description>
				Sets the volume of the bus at index [code]bus_idx[/code] to [code]volume_db[/code].
			</description>
		</method>
		<method name="set_device">
			<return type="void">
			</return>
			<argument index="0" name="device" type="String">
			</argument>
			<description>
			</description>
		</method>
		<method name="swap_bus_effects">
			<return type="void">
			</return>
			<argument index="0" name="bus_idx" type="int">
			</argument>
			<argument index="1" name="effect_idx" type="int">
			</argument>
			<argument index="2" name="by_effect_idx" type="int">
			</argument>
			<description>
				Swaps the position of two effects in bus [code]bus_idx[/code].
			</description>
		</method>
		<method name="unlock">
			<return type="void">
			</return>
			<description>
				Unlocks the audiodriver's main loop. After locking it always unlock it.
			</description>
		</method>
	</methods>
	<signals>
		<signal name="bus_layout_changed">
			<description>
				Emitted when the [AudioBusLayout] changes.
			</description>
		</signal>
	</signals>
	<constants>
		<constant name="SPEAKER_MODE_STEREO" value="0" enum="SpeakerMode">
			Two or fewer speakers are detected.
		</constant>
		<constant name="SPEAKER_SURROUND_31" value="1" enum="SpeakerMode">
		</constant>
		<constant name="SPEAKER_SURROUND_51" value="2" enum="SpeakerMode">
			A 5.1 channel surround setup detected.
		</constant>
		<constant name="SPEAKER_SURROUND_71" value="3" enum="SpeakerMode">
			A 7.1 channel surround setup detected.
		</constant>
	</constants>
</class>