file/folder restructuring

project/previewgenerator.h

@@ -0,0 +1,65 @@
+/***
+
+    Olive - Non-Linear Video Editor
+    Copyright (C) 2019  Olive 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 PREVIEWGENERATOR_H
+#define PREVIEWGENERATOR_H
+
+#include <QThread>
+#include <QSemaphore>
+#include <QDir>
+
+#include "project/footage.h"
+#include "project/media.h"
+
+extern "C" {
+#include <libavformat/avformat.h>
+#include <libavcodec/avcodec.h>
+#include <libswscale/swscale.h>
+#include <libswresample/swresample.h>
+}
+
+class PreviewGenerator : public QThread
+{
+  Q_OBJECT
+public:
+  PreviewGenerator(Media*);
+  void run();
+  void cancel();
+
+  static void AnalyzeMedia(Media*);
+private:
+  void parse_media();
+  bool retrieve_preview(const QString &hash);
+  void generate_waveform();
+  void finalize_media();
+  void invalidate_media(const QString& error_msg);
+  QString get_thumbnail_path(const QString &hash, const FootageStream &ms);
+  QString get_waveform_path(const QString& hash, const FootageStream &ms);
+
+  AVFormatContext* fmt_ctx_;
+  Media* media_;
+  Footage* footage_;
+  bool retrieve_duration_;
+  bool contains_still_image_;
+  bool cancelled_;
+  QDir data_dir_;
+};
+
+#endif // PREVIEWGENERATOR_H