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<?xml version="1.0" encoding="UTF-8" ?>
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<class name= "AudioStream" inherits= "Resource" xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation= "../class.xsd" >
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<brief_description >
Base class for audio streams.
</brief_description>
<description >
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Base class for audio streams. Audio streams are used for sound effects and music playback, and support WAV (via [AudioStreamWAV]) and Ogg (via [AudioStreamOggVorbis]) file formats.
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</description>
<tutorials >
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<link title= "Audio streams" > $DOCS_URL/tutorials/audio/audio_streams.html</link>
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<link title= "Audio Generator Demo" > https://godotengine.org/asset-library/asset/526</link>
<link title= "Audio Mic Record Demo" > https://godotengine.org/asset-library/asset/527</link>
<link title= "Audio Spectrum Demo" > https://godotengine.org/asset-library/asset/528</link>
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</tutorials>
<methods >
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<method name= "_get_beat_count" qualifiers= "virtual const" >
<return type= "int" />
<description >
</description>
</method>
<method name= "_get_bpm" qualifiers= "virtual const" >
<return type= "float" />
<description >
</description>
</method>
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<method name= "_get_length" qualifiers= "virtual const" >
<return type= "float" />
<description >
</description>
</method>
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<method name= "_get_parameter_list" qualifiers= "virtual const" >
<return type= "Dictionary[]" />
<description >
Return the controllable parameters of this stream. This array contains dictionaries with a property info description format (see [method Object.get_property_list]). Additionally, the default value for this parameter must be added tho each dictionary in "default_value" field.
</description>
</method>
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<method name= "_get_stream_name" qualifiers= "virtual const" >
<return type= "String" />
<description >
</description>
</method>
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<method name= "_instantiate_playback" qualifiers= "virtual const" >
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<return type= "AudioStreamPlayback" />
<description >
</description>
</method>
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<method name= "_is_monophonic" qualifiers= "virtual const" >
<return type= "bool" />
<description >
</description>
</method>
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<method name= "get_length" qualifiers= "const" >
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<return type= "float" />
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<description >
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Returns the length of the audio stream in seconds.
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</description>
</method>
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<method name= "instantiate_playback" >
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<return type= "AudioStreamPlayback" />
<description >
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Returns an AudioStreamPlayback. Useful for when you want to extend [method _instantiate_playback] but call [method instantiate_playback] from an internally held AudioStream subresource. An example of this can be found in the source files for [code]AudioStreamRandomPitch::instantiate_playback[/code].
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</description>
</method>
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<method name= "is_monophonic" qualifiers= "const" >
<return type= "bool" />
<description >
Returns true if this audio stream only supports monophonic playback, or false if the audio stream supports polyphony.
</description>
</method>
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</methods>
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<signals >
<signal name= "parameter_list_changed" >
<description >
Signal to be emitted to notify when the parameter list changed.
</description>
</signal>
</signals>
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</class>