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c83718624f
Update links to outdated asset library demos Co-authored-by: Max Hilbrunner <m.hilbrunner@gmail.com>
87 lines
4.4 KiB
XML
87 lines
4.4 KiB
XML
<?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>
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Base class for audio streams.
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</brief_description>
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<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>
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<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/2759</link>
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<link title="Audio Microphone Record Demo">https://godotengine.org/asset-library/asset/2760</link>
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<link title="Audio Spectrum Visualizer Demo">https://godotengine.org/asset-library/asset/2762</link>
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</tutorials>
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<methods>
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<method name="_get_beat_count" qualifiers="virtual const">
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<return type="int" />
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<description>
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Overridable method. Should return the total number of beats of this audio stream. Used by the engine to determine the position of every beat.
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Ideally, the returned value should be based off the stream's sample rate ([member AudioStreamWAV.mix_rate], for example).
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</description>
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</method>
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<method name="_get_bpm" qualifiers="virtual const">
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<return type="float" />
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<description>
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Overridable method. Should return the tempo of this audio stream, in beats per minute (BPM). Used by the engine to determine the position of every beat.
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Ideally, the returned value should be based off the stream's sample rate ([member AudioStreamWAV.mix_rate], for example).
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</description>
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</method>
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<method name="_get_length" qualifiers="virtual const">
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<return type="float" />
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<description>
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Override this method to customize the returned value of [method get_length]. Should return the length of this audio stream, in seconds.
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</description>
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</method>
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<method name="_get_parameter_list" qualifiers="virtual const">
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<return type="Dictionary[]" />
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<description>
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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.
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</description>
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</method>
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<method name="_get_stream_name" qualifiers="virtual const">
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<return type="String" />
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<description>
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Override this method to customize the name assigned to this audio stream. Unused by the engine.
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</description>
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</method>
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<method name="_instantiate_playback" qualifiers="virtual const">
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<return type="AudioStreamPlayback" />
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<description>
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Override this method to customize the returned value of [method instantiate_playback]. Should returned a new [AudioStreamPlayback] created when the stream is played (such as by an [AudioStreamPlayer])..
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</description>
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</method>
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<method name="_is_monophonic" qualifiers="virtual const">
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<return type="bool" />
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<description>
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Override this method to customize the returned value of [method is_monophonic]. Should return [code]true[/code] if this audio stream only supports one channel.
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</description>
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</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>
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</method>
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<method name="instantiate_playback">
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<return type="AudioStreamPlayback" />
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<description>
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Returns a newly created [AudioStreamPlayback] intended to play this audio stream. 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 code for [code]AudioStreamRandomPitch::instantiate_playback[/code].
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</description>
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</method>
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<method name="is_monophonic" qualifiers="const">
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<return type="bool" />
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<description>
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Returns [code]true[/code] if this audio stream only supports one channel ([i]monophony[/i]), or [code]false[/code] if the audio stream supports two or more channels ([i]polyphony[/i]).
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</description>
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</method>
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</methods>
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<signals>
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<signal name="parameter_list_changed">
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<description>
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Signal to be emitted to notify when the parameter list changed.
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</description>
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</signal>
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</signals>
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</class>
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