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64 lines
3.3 KiB
XML
64 lines
3.3 KiB
XML
<?xml version="1.0" encoding="UTF-8" ?>
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<class name="AudioStreamPlaybackPolyphonic" inherits="AudioStreamPlayback" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../class.xsd">
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<brief_description>
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Playback instance for [AudioStreamPolyphonic].
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</brief_description>
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<description>
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Playback instance for [AudioStreamPolyphonic]. After setting the [code]stream[/code] property of [AudioStreamPlayer], [AudioStreamPlayer2D], or [AudioStreamPlayer3D], the playback instance can be obtained by calling [method AudioStreamPlayer.get_stream_playback], [method AudioStreamPlayer2D.get_stream_playback] or [method AudioStreamPlayer3D.get_stream_playback] methods.
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</description>
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<tutorials>
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</tutorials>
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<methods>
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<method name="is_stream_playing" qualifiers="const">
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<return type="bool" />
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<param index="0" name="stream" type="int" />
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<description>
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Returns [code]true[/code] if the stream associated with the given integer ID is still playing. Check [method play_stream] for information on when this ID becomes invalid.
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</description>
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</method>
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<method name="play_stream">
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<return type="int" />
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<param index="0" name="stream" type="AudioStream" />
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<param index="1" name="from_offset" type="float" default="0" />
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<param index="2" name="volume_db" type="float" default="0" />
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<param index="3" name="pitch_scale" type="float" default="1.0" />
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<param index="4" name="playback_type" type="int" enum="AudioServer.PlaybackType" default="0" />
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<param index="5" name="bus" type="StringName" default="&"Master"" />
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<description>
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Play an [AudioStream] at a given offset, volume, pitch scale, playback type, and bus. Playback starts immediately.
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The return value is a unique integer ID that is associated to this playback stream and which can be used to control it.
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This ID becomes invalid when the stream ends (if it does not loop), when the [AudioStreamPlaybackPolyphonic] is stopped, or when [method stop_stream] is called.
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This function returns [constant INVALID_ID] if the amount of streams currently playing equals [member AudioStreamPolyphonic.polyphony]. If you need a higher amount of maximum polyphony, raise this value.
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</description>
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</method>
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<method name="set_stream_pitch_scale">
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<return type="void" />
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<param index="0" name="stream" type="int" />
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<param index="1" name="pitch_scale" type="float" />
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<description>
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Change the stream pitch scale. The [param stream] argument is an integer ID returned by [method play_stream].
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</description>
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</method>
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<method name="set_stream_volume">
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<return type="void" />
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<param index="0" name="stream" type="int" />
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<param index="1" name="volume_db" type="float" />
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<description>
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Change the stream volume (in db). The [param stream] argument is an integer ID returned by [method play_stream].
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</description>
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</method>
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<method name="stop_stream">
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<return type="void" />
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<param index="0" name="stream" type="int" />
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<description>
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Stop a stream. The [param stream] argument is an integer ID returned by [method play_stream], which becomes invalid after calling this function.
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</description>
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</method>
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</methods>
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<constants>
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<constant name="INVALID_ID" value="-1">
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Returned by [method play_stream] in case it could not allocate a stream for playback.
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</constant>
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</constants>
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</class>
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