feat: translate subtitles with an OpenAI-compatible LLM

src/subtitles/subtitleextractor.h

@@ -0,0 +1,17 @@
+#pragma once
+
+#include "subtitleparser.h"
+
+#include <atomic>
+
+namespace Subtitles
+{
+struct ExtractResult {
+    QList<SubtitleCue> cues;
+    QString error;
+};
+
+// Decodes a text subtitle stream of a media file with FFmpeg. \a streamIndex is the
+// FFmpeg stream index (mpv reports it as "ff-index"). Blocking; run it off the GUI thread.
+ExtractResult extractEmbedded(const QString &path, int streamIndex, const std::atomic_bool &cancelled);
+}