45 lines
1.6 KiB
PHP
45 lines
1.6 KiB
PHP
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<?php
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namespace App\Support\AiProviders;
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use App\Models\AiProvider;
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use Illuminate\Http\Client\ConnectionException;
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use Illuminate\Support\Facades\Http;
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/**
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* Text-to-speech via ElevenLabs. Used for narration/voiceover. Unlike the
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* other drivers, a successful response body IS the generated content
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* (raw audio bytes), not JSON.
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*/
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class ElevenLabsDriver implements AiProviderDriver
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{
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public function generate(AiProvider $provider, string $prompt, array $options = []): AiGenerationResult
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{
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$voiceId = $options['voice_id'] ?? $provider->config['voice_id'] ?? null;
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if (! $voiceId) {
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throw new AiGenerationException("AI provider '{$provider->name}' has no voice_id configured for text-to-speech.");
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}
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$modelId = $options['model_id'] ?? $provider->config['model_id'] ?? 'eleven_multilingual_v2';
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try {
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$response = Http::withHeaders(['xi-api-key' => $provider->api_key])
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->post("https://api.elevenlabs.io/v1/text-to-speech/{$voiceId}", [
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'text' => $prompt,
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'model_id' => $modelId,
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]);
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} catch (ConnectionException $e) {
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throw new AiGenerationException("could not connect to ElevenLabs: {$e->getMessage()}");
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}
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if ($response->failed()) {
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$error = $response->json('detail.message') ?? $response->json('detail') ?? 'unexpected response from ElevenLabs';
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throw new AiGenerationException(is_string($error) ? $error : 'unexpected response from ElevenLabs');
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}
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return new AiGenerationResult($response->body(), 'audio/mpeg');
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}
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}
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