From dceaa853098a465b2eaa1b90900b5c1832131f26 Mon Sep 17 00:00:00 2001 From: toasted-nutbread Date: Sat, 7 Mar 2020 14:16:19 -0500 Subject: Rename audio.js to audio-system.js --- ext/mixed/js/audio-system.js | 185 +++++++++++++++++++++++++++++++++++++++++++ ext/mixed/js/audio.js | 185 ------------------------------------------- 2 files changed, 185 insertions(+), 185 deletions(-) create mode 100644 ext/mixed/js/audio-system.js delete mode 100644 ext/mixed/js/audio.js (limited to 'ext/mixed/js') diff --git a/ext/mixed/js/audio-system.js b/ext/mixed/js/audio-system.js new file mode 100644 index 00000000..31c476b1 --- /dev/null +++ b/ext/mixed/js/audio-system.js @@ -0,0 +1,185 @@ +/* + * Copyright (C) 2019-2020 Alex Yatskov + * Author: Alex Yatskov + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +class TextToSpeechAudio { + constructor(text, voice) { + this.text = text; + this.voice = voice; + this._utterance = null; + this._volume = 1; + } + + get currentTime() { + return 0; + } + set currentTime(value) { + // NOP + } + + get volume() { + return this._volume; + } + set volume(value) { + this._volume = value; + if (this._utterance !== null) { + this._utterance.volume = value; + } + } + + play() { + try { + if (this._utterance === null) { + this._utterance = new SpeechSynthesisUtterance(this.text || ''); + this._utterance.lang = 'ja-JP'; + this._utterance.volume = this._volume; + this._utterance.voice = this.voice; + } + + speechSynthesis.cancel(); + speechSynthesis.speak(this._utterance); + } catch (e) { + // NOP + } + } + + pause() { + try { + speechSynthesis.cancel(); + } catch (e) { + // NOP + } + } +} + +class AudioSystem { + constructor({getAudioUri}) { + this._cache = new Map(); + this._cacheSizeMaximum = 32; + this._getAudioUri = getAudioUri; + + if (typeof speechSynthesis !== 'undefined') { + // speechSynthesis.getVoices() will not be populated unless some API call is made. + speechSynthesis.addEventListener('voiceschanged', this._onVoicesChanged.bind(this)); + } + } + + async getDefinitionAudio(definition, sources, details) { + const key = `${definition.expression}:${definition.reading}`; + const cacheValue = this._cache.get(definition); + if (typeof cacheValue !== 'undefined') { + const {audio, uri, source} = cacheValue; + return {audio, uri, source}; + } + + for (const source of sources) { + const uri = await this._getAudioUri(definition, source, details); + if (uri === null) { continue; } + + try { + const audio = await this._createAudio(uri, details); + this._cacheCheck(); + this._cache.set(key, {audio, uri, source}); + return {audio, uri, source}; + } catch (e) { + // NOP + } + } + + throw new Error('Could not create audio'); + } + + createTextToSpeechAudio({text, voiceUri}) { + const voice = this._getTextToSpeechVoiceFromVoiceUri(voiceUri); + if (voice === null) { + throw new Error('Invalid text-to-speech voice'); + } + return new TextToSpeechAudio(text, voice); + } + + _onVoicesChanged() { + // NOP + } + + async _createAudio(uri, details) { + const ttsParameters = this._getTextToSpeechParameters(uri); + if (ttsParameters !== null) { + if (typeof details === 'object' && details !== null) { + if (details.tts === false) { + throw new Error('Text-to-speech not permitted'); + } + } + return this.createTextToSpeechAudio(ttsParameters); + } + + return await this._createAudioFromUrl(uri); + } + + _createAudioFromUrl(url) { + return new Promise((resolve, reject) => { + const audio = new Audio(url); + audio.addEventListener('loadeddata', () => { + const duration = audio.duration; + if (duration === 5.694694 || duration === 5.720718) { + // Hardcoded values for invalid audio + reject(new Error('Could not retrieve audio')); + } else { + resolve(audio); + } + }); + audio.addEventListener('error', () => reject(audio.error)); + }); + } + + _getTextToSpeechVoiceFromVoiceUri(voiceUri) { + try { + for (const voice of speechSynthesis.getVoices()) { + if (voice.voiceURI === voiceUri) { + return voice; + } + } + } catch (e) { + // NOP + } + return null; + } + + _getTextToSpeechParameters(uri) { + const m = /^tts:[^#?]*\?([^#]*)/.exec(uri); + if (m === null) { return null; } + + const searchParameters = new URLSearchParams(m[1]); + const text = searchParameters.get('text'); + const voiceUri = searchParameters.get('voice'); + return (text !== null && voiceUri !== null ? {text, voiceUri} : null); + } + + _cacheCheck() { + const removeCount = this._cache.size - this._cacheSizeMaximum; + if (removeCount <= 0) { return; } + + const removeKeys = []; + for (const key of this._cache.keys()) { + removeKeys.push(key); + if (removeKeys.length >= removeCount) { break; } + } + + for (const key of removeKeys) { + this._cache.delete(key); + } + } +} diff --git a/ext/mixed/js/audio.js b/ext/mixed/js/audio.js deleted file mode 100644 index 31c476b1..00000000 --- a/ext/mixed/js/audio.js +++ /dev/null @@ -1,185 +0,0 @@ -/* - * Copyright (C) 2019-2020 Alex Yatskov - * Author: Alex Yatskov - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see . - */ - -class TextToSpeechAudio { - constructor(text, voice) { - this.text = text; - this.voice = voice; - this._utterance = null; - this._volume = 1; - } - - get currentTime() { - return 0; - } - set currentTime(value) { - // NOP - } - - get volume() { - return this._volume; - } - set volume(value) { - this._volume = value; - if (this._utterance !== null) { - this._utterance.volume = value; - } - } - - play() { - try { - if (this._utterance === null) { - this._utterance = new SpeechSynthesisUtterance(this.text || ''); - this._utterance.lang = 'ja-JP'; - this._utterance.volume = this._volume; - this._utterance.voice = this.voice; - } - - speechSynthesis.cancel(); - speechSynthesis.speak(this._utterance); - } catch (e) { - // NOP - } - } - - pause() { - try { - speechSynthesis.cancel(); - } catch (e) { - // NOP - } - } -} - -class AudioSystem { - constructor({getAudioUri}) { - this._cache = new Map(); - this._cacheSizeMaximum = 32; - this._getAudioUri = getAudioUri; - - if (typeof speechSynthesis !== 'undefined') { - // speechSynthesis.getVoices() will not be populated unless some API call is made. - speechSynthesis.addEventListener('voiceschanged', this._onVoicesChanged.bind(this)); - } - } - - async getDefinitionAudio(definition, sources, details) { - const key = `${definition.expression}:${definition.reading}`; - const cacheValue = this._cache.get(definition); - if (typeof cacheValue !== 'undefined') { - const {audio, uri, source} = cacheValue; - return {audio, uri, source}; - } - - for (const source of sources) { - const uri = await this._getAudioUri(definition, source, details); - if (uri === null) { continue; } - - try { - const audio = await this._createAudio(uri, details); - this._cacheCheck(); - this._cache.set(key, {audio, uri, source}); - return {audio, uri, source}; - } catch (e) { - // NOP - } - } - - throw new Error('Could not create audio'); - } - - createTextToSpeechAudio({text, voiceUri}) { - const voice = this._getTextToSpeechVoiceFromVoiceUri(voiceUri); - if (voice === null) { - throw new Error('Invalid text-to-speech voice'); - } - return new TextToSpeechAudio(text, voice); - } - - _onVoicesChanged() { - // NOP - } - - async _createAudio(uri, details) { - const ttsParameters = this._getTextToSpeechParameters(uri); - if (ttsParameters !== null) { - if (typeof details === 'object' && details !== null) { - if (details.tts === false) { - throw new Error('Text-to-speech not permitted'); - } - } - return this.createTextToSpeechAudio(ttsParameters); - } - - return await this._createAudioFromUrl(uri); - } - - _createAudioFromUrl(url) { - return new Promise((resolve, reject) => { - const audio = new Audio(url); - audio.addEventListener('loadeddata', () => { - const duration = audio.duration; - if (duration === 5.694694 || duration === 5.720718) { - // Hardcoded values for invalid audio - reject(new Error('Could not retrieve audio')); - } else { - resolve(audio); - } - }); - audio.addEventListener('error', () => reject(audio.error)); - }); - } - - _getTextToSpeechVoiceFromVoiceUri(voiceUri) { - try { - for (const voice of speechSynthesis.getVoices()) { - if (voice.voiceURI === voiceUri) { - return voice; - } - } - } catch (e) { - // NOP - } - return null; - } - - _getTextToSpeechParameters(uri) { - const m = /^tts:[^#?]*\?([^#]*)/.exec(uri); - if (m === null) { return null; } - - const searchParameters = new URLSearchParams(m[1]); - const text = searchParameters.get('text'); - const voiceUri = searchParameters.get('voice'); - return (text !== null && voiceUri !== null ? {text, voiceUri} : null); - } - - _cacheCheck() { - const removeCount = this._cache.size - this._cacheSizeMaximum; - if (removeCount <= 0) { return; } - - const removeKeys = []; - for (const key of this._cache.keys()) { - removeKeys.push(key); - if (removeKeys.length >= removeCount) { break; } - } - - for (const key of removeKeys) { - this._cache.delete(key); - } - } -} -- cgit v1.2.3