Implement proxy media workflow

app/task/proxy/proxy.h

@@ -0,0 +1,48 @@
+/*
+ * Oak Video Editor - Non-Linear Video Editor
+ * Copyright (C) 2026 Oak Team
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PROXYTASK_H
+#define PROXYTASK_H
+
+#include "codec/proxymanager.h"
+#include "task/task.h"
+
+namespace olive
+{
+
+class ProxyTask : public Task {
+	Q_OBJECT
+public:
+	ProxyTask(const QString &source_filename,
+			  int stream_index,
+			  const ProxyManager::ProxyParams &params,
+			  const QString &output_filename);
+
+protected:
+	virtual bool Run() override;
+
+private:
+	QString source_filename_;
+	int stream_index_;
+	ProxyManager::ProxyParams params_;
+	QString output_filename_;
+};
+
+}
+
+#endif // PROXYTASK_H