overte-HifiExperiments/libraries/script-engine/src/AudioScriptingInterface.h
2021-07-01 15:59:58 +12:00

298 lines
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C++

//
// AudioScriptingInterface.h
// libraries/audio/src
//
// Created by Stephen Birarda on 1/2/2014.
// Copyright 2014 High Fidelity, Inc.
//
// Distributed under the Apache License, Version 2.0.
// See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
/// @addtogroup ScriptEngine
/// @{
#ifndef hifi_AudioScriptingInterface_h
#define hifi_AudioScriptingInterface_h
#include <AbstractAudioInterface.h>
#include <AudioInjector.h>
#include <DependencyManager.h>
#include <Sound.h>
class ScriptAudioInjector;
/// Provides the <code><a href="https://apidocs.vircadia.dev/Audio.html">Audio</a></code> scripting API
class AudioScriptingInterface : public QObject, public Dependency {
Q_OBJECT
SINGLETON_DEPENDENCY
// JSDoc for property is in Audio.h.
Q_PROPERTY(bool isStereoInput READ isStereoInput WRITE setStereoInput NOTIFY isStereoInputChanged)
Q_PROPERTY(bool isSoloing READ isSoloing)
Q_PROPERTY(QVector<QUuid> soloList READ getSoloList)
public:
virtual ~AudioScriptingInterface() = default;
void setLocalAudioInterface(AbstractAudioInterface* audioInterface);
bool isSoloing() const {
return _localAudioInterface->getAudioSolo().isSoloing();
}
QVector<QUuid> getSoloList() const {
return _localAudioInterface->getAudioSolo().getUUIDs();
}
/*@jsdoc
* Adds avatars to the audio solo list. If the audio solo list is not empty, only audio from the avatars in the list is
* played.
* @function Audio.addToSoloList
* @param {Uuid[]} ids - Avatar IDs to add to the solo list.
* @example <caption>Listen to a single nearby avatar for a short while.</caption>
* // Find nearby avatars.
* var RANGE = 100; // m
* var nearbyAvatars = AvatarList.getAvatarsInRange(MyAvatar.position, RANGE);
*
* // Remove own avatar from list.
* var myAvatarIndex = nearbyAvatars.indexOf(MyAvatar.sessionUUID);
* if (myAvatarIndex !== -1) {
* nearbyAvatars.splice(myAvatarIndex, 1);
* }
*
* if (nearbyAvatars.length > 0) {
* // Listen to only one of the nearby avatars.
* var avatarName = AvatarList.getAvatar(nearbyAvatars[0]).displayName;
* print("Listening only to " + avatarName);
* Audio.addToSoloList([nearbyAvatars[0]]);
*
* // Stop listening to only the one avatar after a short while.
* Script.setTimeout(function () {
* print("Finished listening only to " + avatarName);
* Audio.resetSoloList();
* }, 10000); // 10s
*
* } else {
* print("No nearby avatars");
* }
*/
Q_INVOKABLE void addToSoloList(QVector<QUuid> uuidList) {
_localAudioInterface->getAudioSolo().addUUIDs(uuidList);
}
/*@jsdoc
* Removes avatars from the audio solo list. If the audio solo list is not empty, only audio from the avatars in the list
* is played.
* @function Audio.removeFromSoloList
* @param {Uuid[]} ids - Avatar IDs to remove from the solo list.
*/
Q_INVOKABLE void removeFromSoloList(QVector<QUuid> uuidList) {
_localAudioInterface->getAudioSolo().removeUUIDs(uuidList);
}
/*@jsdoc
* Clears the audio solo list.
* @function Audio.resetSoloList
*/
Q_INVOKABLE void resetSoloList() {
_localAudioInterface->getAudioSolo().reset();
}
/*@jsdoc
* Gets whether your microphone audio is echoed back to you from the server. When enabled, microphone audio is echoed only
* if you're unmuted or are using push-to-talk.
* @function Audio.getServerEcho
* @returns {boolean} <code>true</code> if echoing microphone audio back to you from the server is enabled,
* <code>false</code> if it isn't.
*/
Q_INVOKABLE bool getServerEcho();
/*@jsdoc
* Sets whether your microphone audio is echoed back to you from the server. When enabled, microphone audio is echoed
* only if you're unmuted or are using push-to-talk.
* @function Audio.setServerEcho
* @param {boolean} serverEcho - <code>true</code> to enable echoing microphone back to you from the server,
* <code>false</code> to disable.
*/
Q_INVOKABLE void setServerEcho(bool serverEcho);
/*@jsdoc
* Toggles the echoing of microphone audio back to you from the server. When enabled, microphone audio is echoed only if
* you're unmuted or are using push-to-talk.
* @function Audio.toggleServerEcho
*/
Q_INVOKABLE void toggleServerEcho();
/*@jsdoc
* Gets whether your microphone audio is echoed back to you by the client. When enabled, microphone audio is echoed
* even if you're muted or not using push-to-talk.
* @function Audio.getLocalEcho
* @returns {boolean} <code>true</code> if echoing microphone audio back to you from the client is enabled,
* <code>false</code> if it isn't.
*/
Q_INVOKABLE bool getLocalEcho();
/*@jsdoc
* Sets whether your microphone audio is echoed back to you by the client. When enabled, microphone audio is echoed
* even if you're muted or not using push-to-talk.
* @function Audio.setLocalEcho
* @parm {boolean} localEcho - <code>true</code> to enable echoing microphone audio back to you from the client,
* <code>false</code> to disable.
* @example <caption>Echo local audio for a few seconds.</caption>
* Audio.setLocalEcho(true);
* Script.setTimeout(function () {
* Audio.setLocalEcho(false);
* }, 3000); // 3s
*/
Q_INVOKABLE void setLocalEcho(bool localEcho);
/*@jsdoc
* Toggles the echoing of microphone audio back to you by the client. When enabled, microphone audio is echoed even if
* you're muted or not using push-to-talk.
* @function Audio.toggleLocalEcho
*/
Q_INVOKABLE void toggleLocalEcho();
protected:
AudioScriptingInterface() = default;
// these methods are protected to stop C++ callers from calling, but invokable from script
/*@jsdoc
* Starts playing or "injecting" the content of an audio file. The sound is played globally (sent to the audio
* mixer) so that everyone hears it, unless the <code>injectorOptions</code> has <code>localOnly</code> set to
* <code>true</code> in which case only the client hears the sound played. No sound is played if sent to the audio mixer
* but the client is not connected to an audio mixer. The {@link AudioInjector} object returned by the function can be used
* to control the playback and get information about its current state.
* @function Audio.playSound
* @param {SoundObject} sound - The content of an audio file, loaded using {@link SoundCache.getSound}. See
* {@link SoundObject} for supported formats.
* @param {AudioInjector.AudioInjectorOptions} [injectorOptions={}] - Configures where and how the audio injector plays the
* audio file.
* @returns {AudioInjector} The audio injector that plays the audio file.
* @example <caption>Play a sound.</caption>
* var sound = SoundCache.getSound("https://cdn-1.vircadia.com/us-c-1/ken/samples/forest_ambiX.wav");
*
* function playSound() {
* var injectorOptions = {
* position: MyAvatar.position
* };
* var injector = Audio.playSound(sound, injectorOptions);
* }
*
* function onSoundReady() {
* sound.ready.disconnect(onSoundReady);
* playSound();
* }
*
* if (sound.downloaded) {
* playSound();
* } else {
* sound.ready.connect(onSoundReady);
* }
*/
Q_INVOKABLE ScriptAudioInjector* playSound(SharedSoundPointer sound, const AudioInjectorOptions& injectorOptions = AudioInjectorOptions());
/*@jsdoc
* Starts playing the content of an audio file locally (isn't sent to the audio mixer). This is the same as calling
* {@link Audio.playSound} with {@link AudioInjector.AudioInjectorOptions} <code>localOnly</code> set <code>true</code> and
* the specified <code>position</code>.
* @function Audio.playSystemSound
* @param {SoundObject} sound - The content of an audio file, which is loaded using {@link SoundCache.getSound}. See
* {@link SoundObject} for supported formats.
* @returns {AudioInjector} The audio injector that plays the audio file.
*/
Q_INVOKABLE ScriptAudioInjector* playSystemSound(SharedSoundPointer sound);
/*@jsdoc
* Sets whether the audio input should be used in stereo. If the audio input doesn't support stereo then setting a value
* of <code>true</code> has no effect.
* @function Audio.setStereoInput
* @param {boolean} stereo - <code>true</code> if the audio input should be used in stereo, otherwise <code>false</code>.
*/
Q_INVOKABLE void setStereoInput(bool stereo);
/*@jsdoc
* Gets whether the audio input is used in stereo.
* @function Audio.isStereoInput
* @returns {boolean} <code>true</code> if the audio input is used in stereo, otherwise <code>false</code>.
*/
Q_INVOKABLE bool isStereoInput();
signals:
/*@jsdoc
* Triggered when the client is muted by the mixer because their loudness value for the noise background has reached the
* threshold set for the domain (in the server settings).
* @function Audio.mutedByMixer
* @returns {Signal}
*/
void mutedByMixer();
/*@jsdoc
* Triggered when the client is muted by the mixer because they're within a certain radius (50m) of someone who requested
* the mute through Developer &gt; Audio &gt; Mute Environment.
* @function Audio.environmentMuted
* @returns {Signal}
*/
void environmentMuted();
/*@jsdoc
* Triggered when the client receives its first packet from the audio mixer.
* @function Audio.receivedFirstPacket
* @returns {Signal}
*/
void receivedFirstPacket();
/*@jsdoc
* Triggered when the client is disconnected from the audio mixer.
* @function Audio.disconnected
* @returns {Signal}
*/
void disconnected();
/*@jsdoc
* Triggered when the noise gate is opened. The input audio signal is no longer blocked (fully attenuated) because it has
* risen above an adaptive threshold set just above the noise floor. Only occurs if <code>Audio.noiseReduction</code> is
* <code>true</code>.
* @function Audio.noiseGateOpened
* @returns {Signal}
*/
void noiseGateOpened();
/*@jsdoc
* Triggered when the noise gate is closed. The input audio signal is blocked (fully attenuated) because it has fallen
* below an adaptive threshold set just above the noise floor. Only occurs if <code>Audio.noiseReduction</code> is
* <code>true</code>.
* @function Audio.noiseGateClosed
* @returns {Signal}
*/
void noiseGateClosed();
/*@jsdoc
* Triggered when a frame of audio input is processed.
* @function Audio.inputReceived
* @param {Int16Array} inputSamples - The audio input processed.
* @returns {Signal}
*/
void inputReceived(const QByteArray& inputSamples);
/*@jsdoc
* Triggered when the input audio use changes between mono and stereo.
* @function Audio.isStereoInputChanged
* @param {boolean} isStereo - <code>true</code> if the input audio is stereo, otherwise <code>false</code>.
* @returns {Signal}
*/
void isStereoInputChanged(bool isStereo);
private:
AbstractAudioInterface* _localAudioInterface { nullptr };
};
void registerAudioMetaTypes(QScriptEngine* engine);
#endif // hifi_AudioScriptingInterface_h
/// @}