main

2026-04-25 14:37:46 +02:00
parent ad5a97a4fd
commit 9d8c34b39d
34 changed files with 5853 additions and 164 deletions
@@ -0,0 +1,91 @@
+using System.Net.Http.Headers;
+using System.Text;
+using System.Text.Json;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Options;
+using SaasMediaWorker.Configuration;
+using SaasMediaWorker.Models;
+
+namespace SaasMediaWorker.Services;
+
+/// <summary>
+/// OpenAI TTS API Client — Metin → Ses dönüşümü.
+/// </summary>
+public class OpenAiTtsService
+{
+    private readonly HttpClient _httpClient;
+    private readonly ILogger<OpenAiTtsService> _logger;
+    private readonly ApiSettings _settings;
+
+    public OpenAiTtsService(
+        HttpClient httpClient,
+        ILogger<OpenAiTtsService> logger,
+        IOptions<ApiSettings> settings)
+    {
+        _httpClient = httpClient;
+        _logger = logger;
+        _settings = settings.Value;
+
+        _httpClient.BaseAddress = new Uri("https://api.openai.com/v1/");
+        _httpClient.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", _settings.OpenAiApiKey);
+        _httpClient.Timeout = TimeSpan.FromMinutes(2);
+    }
+
+    /// <summary>
+    /// Bir sahnenin narration metnini sese çevirir ve dosyaya kaydeder.
+    /// </summary>
+    public async Task<GeneratedMediaFile> GenerateNarrationAsync(
+        ScenePayload scene,
+        string outputDirectory,
+        string voiceStyle,
+        CancellationToken ct)
+    {
+        _logger.LogInformation(
+            "🎙️ OpenAI TTS üretimi — Sahne {Order}: \"{Text}\"",
+            scene.Order,
+            scene.NarrationText[..Math.Min(60, scene.NarrationText.Length)]);
+
+        // Varsayılan voiceStyle kullan veya fallback
+        var voiceId = string.IsNullOrWhiteSpace(voiceStyle) ? _settings.OpenAiTtsVoiceId : voiceStyle;
+
+        var requestBody = new
+        {
+            model = "tts-1",
+            input = scene.NarrationText,
+            voice = voiceId,
+            response_format = "mp3"
+        };
+
+        var content = new StringContent(
+            JsonSerializer.Serialize(requestBody),
+            Encoding.UTF8,
+            "application/json");
+
+        var response = await _httpClient.PostAsync("audio/speech", content, ct);
+
+        response.EnsureSuccessStatusCode();
+
+        // Ses dosyasını kaydet
+        var outputPath = Path.Combine(outputDirectory, $"scene_{scene.Order:D2}_narration.mp3");
+        await using var fileStream = File.Create(outputPath);
+        await response.Content.CopyToAsync(fileStream, ct);
+
+        var fileInfo = new FileInfo(outputPath);
+
+        _logger.LogInformation(
+            "OpenAI TTS tamamlandı — Sahne {Order}: {Size} bytes",
+            scene.Order, fileInfo.Length);
+
+        return new GeneratedMediaFile
+        {
+            SceneId = scene.Id,
+            SceneOrder = scene.Order,
+            Type = MediaFileType.AudioNarration,
+            LocalPath = outputPath,
+            FileSizeBytes = fileInfo.Length,
+            DurationSeconds = scene.Duration,
+            MimeType = "audio/mpeg",
+            AiProvider = "openai"
+        };
+    }
+}