82 lines
3.6 KiB
JavaScript
82 lines
3.6 KiB
JavaScript
// ---------- Groq API: транскрипция (прямой POST через ProxyAPI.ru) ----------
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async function blobToWav(blob) {
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const ab = await blob.arrayBuffer();
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const ctx = new AudioContext({ sampleRate: 16000 });
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const buf = await ctx.decodeAudioData(ab);
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await ctx.close();
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const mono = new Float32Array(buf.length);
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for (let c = 0; c < buf.numberOfChannels; c++) {
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const ch = buf.getChannelData(c);
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for (let i = 0; i < buf.length; i++) mono[i] += ch[i];
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}
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if (buf.numberOfChannels > 1) for (let i = 0; i < mono.length; i++) mono[i] /= buf.numberOfChannels;
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const wavBuf = new ArrayBuffer(44 + mono.length * 2);
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const v = new DataView(wavBuf);
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const wr = (o, s) => { for (let i = 0; i < s.length; i++) v.setUint8(o + i, s.charCodeAt(i)); };
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wr(0, 'RIFF'); v.setUint32(4, 36 + mono.length * 2, true);
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wr(8, 'WAVE'); wr(12, 'fmt ');
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v.setUint32(16, 16, true); v.setUint16(20, 1, true); v.setUint16(22, 1, true);
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v.setUint32(24, 16000, true); v.setUint32(28, 32000, true); v.setUint16(32, 2, true); v.setUint16(34, 16, true);
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wr(36, 'data'); v.setUint32(40, mono.length * 2, true);
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let off = 44;
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for (let i = 0; i < mono.length; i++) {
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const s = Math.max(-1, Math.min(1, mono[i]));
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v.setInt16(off, s < 0 ? s * 0x8000 : s * 0x7FFF, true); off += 2;
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}
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return new Blob([wavBuf], { type: 'audio/wav' });
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}
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async function transcribe(blob) {
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if (!GROQ_API_KEY) return { text: '', words: [], error: 'no_key' };
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const tStart = performance.now();
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try {
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const wavBlob = await blobToWav(blob);
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const fd = new FormData();
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fd.append('file', wavBlob, 'audio.wav');
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fd.append('model', 'whisper-1');
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fd.append('language', 'it');
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fd.append('response_format', 'verbose_json');
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fd.append('timestamp_granularities[]', 'word');
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const ctrl = new AbortController();
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const timer = setTimeout(() => ctrl.abort(), 30000);
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const r = await fetch('https://api.proxyapi.ru/openai/v1/audio/transcriptions', {
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method: 'POST',
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headers: { 'Authorization': `Bearer ${GROQ_API_KEY}` },
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body: fd,
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signal: ctrl.signal
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});
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clearTimeout(timer);
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const raw = await r.text();
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console.log('[TRANSCRIBE] ← ' + r.status + ' ' + ((performance.now()-tStart)/1000).toFixed(2) + 's raw=' + raw.slice(0,200));
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let data;
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try { data = JSON.parse(raw); } catch(pe) { return { text: '', words: [], error: 'parse:' + raw.slice(0,80) }; }
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const words = (data.words || []).map(w => ({ word: w.word, start: w.start, end: w.end }));
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console.log('[TRANSCRIBE] words:', words.length, words.map(w => w.start.toFixed(2)+'-'+w.end.toFixed(2)+' '+w.word).join(', '));
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return { text: data.text || '', words, error: data.error?.message || data.error || null };
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} catch(e) {
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console.log('[TRANSCRIBE] ERR', e);
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return { text: '', words: [], error: e.message };
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}
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}
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async function translateToRussian(text) {
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if (!GROQ_API_KEY) return;
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try {
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const res = await fetch('https://lang.kube5s.ru/openai/v1/chat/completions', {
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method: 'POST',
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headers: { 'Authorization': `Bearer ${GROQ_API_KEY}`, 'Content-Type': 'application/json' },
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body: JSON.stringify({
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model: 'gpt-4o',
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messages: [{ role: 'user', content: 'Переведи на русский одним словом или фразой: ' + text }],
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max_tokens: 50,
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temperature: 0
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})
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});
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const data = await res.json();
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if (data.choices?.[0]?.message?.content) {
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document.getElementById('translation').textContent = '🇷🇺 ' + data.choices[0].message.content;
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}
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} catch(e) { /* тихо */ }
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}
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