348 lines
14 KiB
XML
348 lines
14 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="AudioServer" inherits="Object" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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Server interface for low-level audio access.
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</brief_description>
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<description>
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[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.
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</description>
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<tutorials>
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<link title="Audio buses">$DOCS_URL/tutorials/audio/audio_buses.html</link>
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<link title="Audio Device Changer Demo">https://godotengine.org/asset-library/asset/525</link>
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<link title="Audio Mic Record Demo">https://godotengine.org/asset-library/asset/527</link>
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<link title="Audio Spectrum Demo">https://godotengine.org/asset-library/asset/528</link>
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</tutorials>
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<methods>
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<method name="add_bus">
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<return type="void" />
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<param index="0" name="at_position" type="int" default="-1" />
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<description>
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Adds a bus at [param at_position].
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</description>
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</method>
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<method name="add_bus_effect">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="effect" type="AudioEffect" />
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<param index="2" name="at_position" type="int" default="-1" />
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<description>
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Adds an [AudioEffect] effect to the bus [param bus_idx] at [param at_position].
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</description>
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</method>
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<method name="generate_bus_layout" qualifiers="const">
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<return type="AudioBusLayout" />
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<description>
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Generates an [AudioBusLayout] using the available buses and effects.
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</description>
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</method>
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<method name="get_bus_channels" qualifiers="const">
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<return type="int" />
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<param index="0" name="bus_idx" type="int" />
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<description>
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Returns the number of channels of the bus at index [param bus_idx].
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</description>
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</method>
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<method name="get_bus_effect">
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<return type="AudioEffect" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="effect_idx" type="int" />
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<description>
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Returns the [AudioEffect] at position [param effect_idx] in bus [param bus_idx].
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</description>
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</method>
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<method name="get_bus_effect_count">
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<return type="int" />
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<param index="0" name="bus_idx" type="int" />
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<description>
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Returns the number of effects on the bus at [param bus_idx].
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</description>
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</method>
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<method name="get_bus_effect_instance">
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<return type="AudioEffectInstance" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="effect_idx" type="int" />
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<param index="2" name="channel" type="int" default="0" />
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<description>
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Returns the [AudioEffectInstance] assigned to the given bus and effect indices (and optionally channel).
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</description>
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</method>
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<method name="get_bus_index" qualifiers="const">
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<return type="int" />
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<param index="0" name="bus_name" type="StringName" />
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<description>
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Returns the index of the bus with the name [param bus_name]. Returns [code]-1[/code] if no bus with the specified name exist.
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</description>
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</method>
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<method name="get_bus_name" qualifiers="const">
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<return type="String" />
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<param index="0" name="bus_idx" type="int" />
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<description>
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Returns the name of the bus with the index [param bus_idx].
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</description>
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</method>
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<method name="get_bus_peak_volume_left_db" qualifiers="const">
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<return type="float" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="channel" type="int" />
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<description>
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Returns the peak volume of the left speaker at bus index [param bus_idx] and channel index [param channel].
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</description>
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</method>
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<method name="get_bus_peak_volume_right_db" qualifiers="const">
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<return type="float" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="channel" type="int" />
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<description>
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Returns the peak volume of the right speaker at bus index [param bus_idx] and channel index [param channel].
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</description>
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</method>
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<method name="get_bus_send" qualifiers="const">
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<return type="StringName" />
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<param index="0" name="bus_idx" type="int" />
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<description>
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Returns the name of the bus that the bus at index [param bus_idx] sends to.
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</description>
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</method>
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<method name="get_bus_volume_db" qualifiers="const">
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<return type="float" />
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<param index="0" name="bus_idx" type="int" />
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<description>
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Returns the volume of the bus at index [param bus_idx] in dB.
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</description>
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</method>
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<method name="get_input_device_list">
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<return type="PackedStringArray" />
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<description>
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Returns the names of all audio input devices detected on the system.
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[b]Note:[/b] [member ProjectSettings.audio/driver/enable_input] must be [code]true[/code] for audio input to work. See also that setting's description for caveats related to permissions and operating system privacy settings.
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</description>
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</method>
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<method name="get_mix_rate" qualifiers="const">
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<return type="float" />
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<description>
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Returns the sample rate at the output of the [AudioServer].
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</description>
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</method>
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<method name="get_output_device_list">
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<return type="PackedStringArray" />
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<description>
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Returns the names of all audio output devices detected on the system.
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</description>
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</method>
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<method name="get_output_latency" qualifiers="const">
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<return type="float" />
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<description>
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Returns the audio driver's effective output latency. This is based on [member ProjectSettings.audio/driver/output_latency], but the exact returned value will differ depending on the operating system and audio driver.
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[b]Note:[/b] This can be expensive; it is not recommended to call [method get_output_latency] every frame.
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</description>
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</method>
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<method name="get_speaker_mode" qualifiers="const">
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<return type="int" enum="AudioServer.SpeakerMode" />
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<description>
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Returns the speaker configuration.
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</description>
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</method>
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<method name="get_time_since_last_mix" qualifiers="const">
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<return type="float" />
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<description>
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Returns the relative time since the last mix occurred.
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</description>
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</method>
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<method name="get_time_to_next_mix" qualifiers="const">
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<return type="float" />
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<description>
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Returns the relative time until the next mix occurs.
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</description>
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</method>
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<method name="is_bus_bypassing_effects" qualifiers="const">
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<return type="bool" />
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<param index="0" name="bus_idx" type="int" />
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<description>
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If [code]true[/code], the bus at index [param bus_idx] is bypassing effects.
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</description>
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</method>
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<method name="is_bus_effect_enabled" qualifiers="const">
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<return type="bool" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="effect_idx" type="int" />
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<description>
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If [code]true[/code], the effect at index [param effect_idx] on the bus at index [param bus_idx] is enabled.
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</description>
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</method>
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<method name="is_bus_mute" qualifiers="const">
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<return type="bool" />
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<param index="0" name="bus_idx" type="int" />
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<description>
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If [code]true[/code], the bus at index [param bus_idx] is muted.
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</description>
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</method>
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<method name="is_bus_solo" qualifiers="const">
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<return type="bool" />
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<param index="0" name="bus_idx" type="int" />
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<description>
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If [code]true[/code], the bus at index [param bus_idx] is in solo mode.
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</description>
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</method>
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<method name="lock">
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<return type="void" />
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<description>
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Locks the audio driver's main loop.
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[b]Note:[/b] Remember to unlock it afterwards.
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</description>
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</method>
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<method name="move_bus">
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<return type="void" />
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<param index="0" name="index" type="int" />
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<param index="1" name="to_index" type="int" />
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<description>
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Moves the bus from index [param index] to index [param to_index].
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</description>
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</method>
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<method name="remove_bus">
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<return type="void" />
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<param index="0" name="index" type="int" />
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<description>
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Removes the bus at index [param index].
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</description>
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</method>
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<method name="remove_bus_effect">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="effect_idx" type="int" />
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<description>
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Removes the effect at index [param effect_idx] from the bus at index [param bus_idx].
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</description>
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</method>
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<method name="set_bus_bypass_effects">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="enable" type="bool" />
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<description>
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If [code]true[/code], the bus at index [param bus_idx] is bypassing effects.
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</description>
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</method>
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<method name="set_bus_effect_enabled">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="effect_idx" type="int" />
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<param index="2" name="enabled" type="bool" />
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<description>
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If [code]true[/code], the effect at index [param effect_idx] on the bus at index [param bus_idx] is enabled.
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</description>
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</method>
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<method name="set_bus_layout">
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<return type="void" />
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<param index="0" name="bus_layout" type="AudioBusLayout" />
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<description>
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Overwrites the currently used [AudioBusLayout].
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</description>
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</method>
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<method name="set_bus_mute">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="enable" type="bool" />
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<description>
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If [code]true[/code], the bus at index [param bus_idx] is muted.
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</description>
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</method>
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<method name="set_bus_name">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="name" type="String" />
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<description>
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Sets the name of the bus at index [param bus_idx] to [param name].
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</description>
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</method>
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<method name="set_bus_send">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="send" type="StringName" />
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<description>
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Connects the output of the bus at [param bus_idx] to the bus named [param send].
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</description>
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</method>
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<method name="set_bus_solo">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="enable" type="bool" />
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<description>
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If [code]true[/code], the bus at index [param bus_idx] is in solo mode.
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</description>
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</method>
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<method name="set_bus_volume_db">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="volume_db" type="float" />
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<description>
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Sets the volume of the bus at index [param bus_idx] to [param volume_db].
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</description>
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</method>
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<method name="set_enable_tagging_used_audio_streams">
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<return type="void" />
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<param index="0" name="enable" type="bool" />
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<description>
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If set to [code]true[/code], all instances of [AudioStreamPlayback] will call [method AudioStreamPlayback._tag_used_streams] every mix step.
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[b]Note:[/b] This is enabled by default in the editor, as it is used by editor plugins for the audio stream previews.
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</description>
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</method>
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<method name="swap_bus_effects">
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<return type="void" />
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<param index="0" name="bus_idx" type="int" />
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<param index="1" name="effect_idx" type="int" />
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<param index="2" name="by_effect_idx" type="int" />
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<description>
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Swaps the position of two effects in bus [param bus_idx].
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</description>
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</method>
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<method name="unlock">
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<return type="void" />
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<description>
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Unlocks the audio driver's main loop. (After locking it, you should always unlock it.)
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</description>
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</method>
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</methods>
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<members>
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<member name="bus_count" type="int" setter="set_bus_count" getter="get_bus_count" default="1">
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Number of available audio buses.
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</member>
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<member name="input_device" type="String" setter="set_input_device" getter="get_input_device" default=""Default"">
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Name of the current device for audio input (see [method get_input_device_list]). On systems with multiple audio inputs (such as analog, USB and HDMI audio), this can be used to select the audio input device. The value [code]"Default"[/code] will record audio on the system-wide default audio input. If an invalid device name is set, the value will be reverted back to [code]"Default"[/code].
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[b]Note:[/b] [member ProjectSettings.audio/driver/enable_input] must be [code]true[/code] for audio input to work. See also that setting's description for caveats related to permissions and operating system privacy settings.
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</member>
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<member name="output_device" type="String" setter="set_output_device" getter="get_output_device" default=""Default"">
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Name of the current device for audio output (see [method get_output_device_list]). On systems with multiple audio outputs (such as analog, USB and HDMI audio), this can be used to select the audio output device. The value [code]"Default"[/code] will play audio on the system-wide default audio output. If an invalid device name is set, the value will be reverted back to [code]"Default"[/code].
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</member>
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<member name="playback_speed_scale" type="float" setter="set_playback_speed_scale" getter="get_playback_speed_scale" default="1.0">
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Scales the rate at which audio is played (i.e. setting it to [code]0.5[/code] will make the audio be played at half its speed). See also [member Engine.time_scale] to affect the general simulation speed, which is independent from [member AudioServer.playback_speed_scale].
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</member>
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</members>
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<signals>
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<signal name="bus_layout_changed">
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<description>
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Emitted when an audio bus is added, deleted, or moved.
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</description>
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</signal>
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<signal name="bus_renamed">
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<param index="0" name="bus_index" type="int" />
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<param index="1" name="old_name" type="StringName" />
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<param index="2" name="new_name" type="StringName" />
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<description>
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Emitted when the audio bus at [param bus_index] is renamed from [param old_name] to [param new_name].
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</description>
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</signal>
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</signals>
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<constants>
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<constant name="SPEAKER_MODE_STEREO" value="0" enum="SpeakerMode">
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Two or fewer speakers were detected.
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</constant>
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<constant name="SPEAKER_SURROUND_31" value="1" enum="SpeakerMode">
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A 3.1 channel surround setup was detected.
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</constant>
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<constant name="SPEAKER_SURROUND_51" value="2" enum="SpeakerMode">
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A 5.1 channel surround setup was detected.
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</constant>
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<constant name="SPEAKER_SURROUND_71" value="3" enum="SpeakerMode">
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A 7.1 channel surround setup was detected.
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</constant>
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</constants>
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</class>
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