File size: 16,183 Bytes
b82d373
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
import { saveTtsProviderSettings } from './index.js';
export { ElevenLabsTtsProvider };

class ElevenLabsTtsProvider {
    //########//
    // Config //
    //########//

    settings;
    voices = [];
    separator = ' ... ... ... ';


    defaultSettings = {
        stability: 0.75,
        similarity_boost: 0.75,
        style_exaggeration: 0.00,
        speaker_boost: true,
        apiKey: '',
        model: 'eleven_monolingual_v1',
        voiceMap: {},
    };

    get settingsHtml() {
        let html = `
        <div class="elevenlabs_tts_settings">
            <label for="elevenlabs_tts_api_key">API Key</label>
            <input id="elevenlabs_tts_api_key" type="text" class="text_pole" placeholder="<API Key>"/>
            <label for="elevenlabs_tts_model">Model</label>
            <select id="elevenlabs_tts_model" class="text_pole">
                <option value="eleven_monolingual_v1">English v1</option>
                <option value="eleven_multilingual_v1">Multilingual v1</option>
                <option value="eleven_multilingual_v2">Multilingual v2</option>
                <option value="eleven_turbo_v2">Turbo v2</option>
            </select>
            <input id="eleven_labs_connect" class="menu_button" type="button" value="Connect" />
            <label for="elevenlabs_tts_stability">Stability: <span id="elevenlabs_tts_stability_output"></span></label>
            <input id="elevenlabs_tts_stability" type="range" value="${this.defaultSettings.stability}" min="0" max="1" step="0.01" />
            <label for="elevenlabs_tts_similarity_boost">Similarity Boost: <span id="elevenlabs_tts_similarity_boost_output"></span></label>
            <input id="elevenlabs_tts_similarity_boost" type="range" value="${this.defaultSettings.similarity_boost}" min="0" max="1" step="0.01" />
            <div id="elevenlabs_tts_v2_options" style="display: none;">
                <label for="elevenlabs_tts_style_exaggeration">Style Exaggeration: <span id="elevenlabs_tts_style_exaggeration_output"></span></label>
                <input id="elevenlabs_tts_style_exaggeration" type="range" value="${this.defaultSettings.style_exaggeration}" min="0" max="1" step="0.01" />
                <label for="elevenlabs_tts_speaker_boost">Speaker Boost:</label>
                <input id="elevenlabs_tts_speaker_boost" style="display: inline-grid" type="checkbox" />
            </div>
            <hr>
            <div id="elevenlabs_tts_voice_cloning">
                <span>Instant Voice Cloning</span><br>
                <input id="elevenlabs_tts_voice_cloning_name" type="text" class="text_pole" placeholder="Voice Name"/>
                <input id="elevenlabs_tts_voice_cloning_description" type="text" class="text_pole" placeholder="Voice Description"/>
                <input id="elevenlabs_tts_voice_cloning_labels" type="text" class="text_pole" placeholder="Labels"/>
                <div class="menu_button menu_button_icon" id="upload_audio_file">
                    <i class="fa-solid fa-file-import"></i>
                    <span>Upload Audio Files</span>
                </div>
                <input id="elevenlabs_tts_audio_files" type="file" name="audio_files" accept="audio/*" style="display: none;" multiple>
                <div id="elevenlabs_tts_selected_files_list"></div>
                <input id="elevenlabs_tts_clone_voice_button" class="menu_button menu_button_icon" type="button" value="Clone Voice">
            </div>
            <hr>
        </div>
        `;
        return html;
    }

    shouldInvolveExtendedSettings() {
        return this.settings.model === 'eleven_multilingual_v2';
    }

    onSettingsChange() {
        // Update dynamically
        this.settings.stability = $('#elevenlabs_tts_stability').val();
        this.settings.similarity_boost = $('#elevenlabs_tts_similarity_boost').val();
        this.settings.style_exaggeration = $('#elevenlabs_tts_style_exaggeration').val();
        this.settings.speaker_boost = $('#elevenlabs_tts_speaker_boost').is(':checked');
        this.settings.model = $('#elevenlabs_tts_model').find(':selected').val();
        $('#elevenlabs_tts_stability_output').text(Math.round(this.settings.stability * 100) + '%');
        $('#elevenlabs_tts_similarity_boost_output').text(Math.round(this.settings.similarity_boost * 100) + '%');
        $('#elevenlabs_tts_style_exaggeration_output').text(Math.round(this.settings.style_exaggeration * 100) + '%');
        $('#elevenlabs_tts_v2_options').toggle(this.shouldInvolveExtendedSettings());
        saveTtsProviderSettings();
    }

    async loadSettings(settings) {
        // Pupulate Provider UI given input settings
        if (Object.keys(settings).length == 0) {
            console.info('Using default TTS Provider settings');
        }

        // Only accept keys defined in defaultSettings
        this.settings = this.defaultSettings;

        // Migrate old settings
        if (settings['multilingual'] !== undefined) {
            settings.model = settings.multilingual ? 'eleven_multilingual_v1' : 'eleven_monolingual_v1';
            delete settings['multilingual'];
        }

        for (const key in settings) {
            if (key in this.settings) {
                this.settings[key] = settings[key];
            } else {
                throw `Invalid setting passed to TTS Provider: ${key}`;
            }
        }

        $('#elevenlabs_tts_stability').val(this.settings.stability);
        $('#elevenlabs_tts_similarity_boost').val(this.settings.similarity_boost);
        $('#elevenlabs_tts_style_exaggeration').val(this.settings.style_exaggeration);
        $('#elevenlabs_tts_speaker_boost').prop('checked', this.settings.speaker_boost);
        $('#elevenlabs_tts_api_key').val(this.settings.apiKey);
        $('#elevenlabs_tts_model').val(this.settings.model);
        $('#eleven_labs_connect').on('click', () => { this.onConnectClick(); });
        $('#elevenlabs_tts_similarity_boost').on('input', this.onSettingsChange.bind(this));
        $('#elevenlabs_tts_stability').on('input', this.onSettingsChange.bind(this));
        $('#elevenlabs_tts_style_exaggeration').on('input', this.onSettingsChange.bind(this));
        $('#elevenlabs_tts_speaker_boost').on('change', this.onSettingsChange.bind(this));
        $('#elevenlabs_tts_model').on('change', this.onSettingsChange.bind(this));
        $('#elevenlabs_tts_stability_output').text(Math.round(this.settings.stability * 100) + '%');
        $('#elevenlabs_tts_similarity_boost_output').text(Math.round(this.settings.similarity_boost * 100) + '%');
        $('#elevenlabs_tts_style_exaggeration_output').text(Math.round(this.settings.style_exaggeration * 100) + '%');
        $('#elevenlabs_tts_v2_options').toggle(this.shouldInvolveExtendedSettings());
        try {
            await this.checkReady();
            console.debug('ElevenLabs: Settings loaded');
        } catch {
            console.debug('ElevenLabs: Settings loaded, but not ready');
        }

        this.setupVoiceCloningMenu();
    }

    // Perform a simple readiness check by trying to fetch voiceIds
    async checkReady() {
        await this.fetchTtsVoiceObjects();
    }

    async onRefreshClick() {
    }

    async onConnectClick() {
        // Update on Apply click
        return await this.updateApiKey().catch((error) => {
            toastr.error(`ElevenLabs: ${error}`);
        });
    }

    setupVoiceCloningMenu() {
        const audioFilesInput = document.getElementById('elevenlabs_tts_audio_files');
        const selectedFilesListElement = document.getElementById('elevenlabs_tts_selected_files_list');
        const cloneVoiceButton = document.getElementById('elevenlabs_tts_clone_voice_button');
        const uploadAudioFileButton = document.getElementById('upload_audio_file');
        const voiceCloningNameInput = document.getElementById('elevenlabs_tts_voice_cloning_name');
        const voiceCloningDescriptionInput = document.getElementById('elevenlabs_tts_voice_cloning_description');
        const voiceCloningLabelsInput = document.getElementById('elevenlabs_tts_voice_cloning_labels');

        const updateCloneVoiceButtonVisibility = () => {
            cloneVoiceButton.style.display = audioFilesInput.files.length > 0 ? 'inline-block' : 'none';
        };

        const clearSelectedFiles = () => {
            audioFilesInput.value = '';
            selectedFilesListElement.innerHTML = '';
            updateCloneVoiceButtonVisibility();
        };

        uploadAudioFileButton.addEventListener('click', () => {
            audioFilesInput.click();
        });

        audioFilesInput.addEventListener('change', () => {
            selectedFilesListElement.innerHTML = '';
            for (const file of audioFilesInput.files) {
                const listItem = document.createElement('div');
                listItem.textContent = file.name;
                selectedFilesListElement.appendChild(listItem);
            }
            updateCloneVoiceButtonVisibility();
        });

        cloneVoiceButton.addEventListener('click', async () => {
            const voiceName = voiceCloningNameInput.value.trim();
            const voiceDescription = voiceCloningDescriptionInput.value.trim();
            const voiceLabels = voiceCloningLabelsInput.value.trim();

            if (!voiceName) {
                toastr.error('Please provide a name for the cloned voice.');
                return;
            }

            try {
                await this.addVoice(voiceName, voiceDescription, voiceLabels);
                toastr.success('Voice cloned successfully. Hit reload to see the new voice in the voice listing.');
                clearSelectedFiles();
                voiceCloningNameInput.value = '';
                voiceCloningDescriptionInput.value = '';
                voiceCloningLabelsInput.value = '';
            } catch (error) {
                toastr.error(`Failed to clone voice: ${error.message}`);
            }
        });

        updateCloneVoiceButtonVisibility();
    }

    async updateApiKey() {
        // Using this call to validate API key
        this.settings.apiKey = $('#elevenlabs_tts_api_key').val();

        await this.fetchTtsVoiceObjects().catch(error => {
            throw 'TTS API key validation failed';
        });
        console.debug(`Saved new API_KEY: ${this.settings.apiKey}`);
        $('#tts_status').text('');
        this.onSettingsChange();
    }

    //#################//
    //  TTS Interfaces //
    //#################//

    async getVoice(voiceName) {
        if (this.voices.length == 0) {
            this.voices = await this.fetchTtsVoiceObjects();
        }
        const match = this.voices.filter(
            elevenVoice => elevenVoice.name == voiceName,
        )[0];
        if (!match) {
            throw `TTS Voice name ${voiceName} not found in ElevenLabs account`;
        }
        return match;
    }


    async generateTts(text, voiceId) {
        const historyId = await this.findTtsGenerationInHistory(text, voiceId);

        let response;
        if (historyId) {
            console.debug(`Found existing TTS generation with id ${historyId}`);
            response = await this.fetchTtsFromHistory(historyId);
        } else {
            console.debug('No existing TTS generation found, requesting new generation');
            response = await this.fetchTtsGeneration(text, voiceId);
        }
        return response;
    }

    //###################//
    //  Helper Functions //
    //###################//

    async findTtsGenerationInHistory(message, voiceId) {
        const ttsHistory = await this.fetchTtsHistory();
        for (const history of ttsHistory) {
            const text = history.text;
            const itemId = history.history_item_id;
            if (message === text && history.voice_id == voiceId) {
                console.info(`Existing TTS history item ${itemId} found: ${text} `);
                return itemId;
            }
        }
        return '';
    }


    //###########//
    // API CALLS //
    //###########//
    async fetchTtsVoiceObjects() {
        const headers = {
            'xi-api-key': this.settings.apiKey,
        };
        const response = await fetch('https://api.elevenlabs.io/v1/voices', {
            headers: headers,
        });
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${await response.text()}`);
        }
        const responseJson = await response.json();
        return responseJson.voices;
    }

    async fetchTtsVoiceSettings() {
        const headers = {
            'xi-api-key': this.settings.apiKey,
        };
        const response = await fetch(
            'https://api.elevenlabs.io/v1/voices/settings/default',
            {
                headers: headers,
            },
        );
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${await response.text()}`);
        }
        return response.json();
    }

    async fetchTtsGeneration(text, voiceId) {
        let model = this.settings.model ?? 'eleven_monolingual_v1';
        console.info(`Generating new TTS for voice_id ${voiceId}, model ${model}`);
        const request = {
            model_id: model,
            text: text,
            voice_settings: {
                stability: Number(this.settings.stability),
                similarity_boost: Number(this.settings.similarity_boost),
            },
        };
        if (this.shouldInvolveExtendedSettings()) {
            request.voice_settings.style = Number(this.settings.style_exaggeration);
            request.voice_settings.use_speaker_boost = Boolean(this.settings.speaker_boost);
        }
        const response = await fetch(`https://api.elevenlabs.io/v1/text-to-speech/${voiceId}`, {
            method: 'POST',
            headers: {
                'xi-api-key': this.settings.apiKey,
                'Content-Type': 'application/json',
            },
            body: JSON.stringify(request),
        });
        if (!response.ok) {
            toastr.error(response.statusText, 'TTS Generation Failed');
            throw new Error(`HTTP ${response.status}: ${await response.text()}`);
        }
        return response;
    }

    async fetchTtsFromHistory(history_item_id) {
        console.info(`Fetched existing TTS with history_item_id ${history_item_id}`);
        const response = await fetch(
            `https://api.elevenlabs.io/v1/history/${history_item_id}/audio`,
            {
                headers: {
                    'xi-api-key': this.settings.apiKey,
                },
            },
        );
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${await response.text()}`);
        }
        return response;
    }

    async fetchTtsHistory() {
        const headers = {
            'xi-api-key': this.settings.apiKey,
        };
        const response = await fetch('https://api.elevenlabs.io/v1/history', {
            headers: headers,
        });
        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${await response.text()}`);
        }
        const responseJson = await response.json();
        return responseJson.history;
    }

    async addVoice(name, description, labels) {
        const selected_files = document.querySelectorAll('input[type="file"][name="audio_files"]');
        const formData = new FormData();

        formData.append('name', name);
        formData.append('description', description);
        formData.append('labels', labels);

        for (const file of selected_files) {
            if (file.files.length > 0) {
                formData.append('files', file.files[0]);
            }
        }

        const response = await fetch('https://api.elevenlabs.io/v1/voices/add', {
            method: 'POST',
            headers: {
                'xi-api-key': this.settings.apiKey,
            },
            body: formData,
        });

        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${await response.text()}`);
        }

        return await response.json();
    }
}