memorymanager: rewrote entire memory management system

2020-02-23 20:29:51 +11:00
parent 3a90e76fec
commit 48cdb3a6dd
10 changed files with 143 additions and 147 deletions
@@ -0,0 +1,43 @@
+#ifndef FFMPEGFRAMECACHE_H
+#define FFMPEGFRAMECACHE_H
+
+extern "C" {
+#include <libavformat/avformat.h>
+}
+
+#include <QList>
+#include <QTimer>
+
+class FFmpegFrameCache
+{
+public:
+  FFmpegFrameCache();
+
+  void append(AVFrame* f);
+  void clear();
+
+  bool isEmpty() const;
+  AVFrame* first() const;
+  AVFrame* at(int i) const;
+  AVFrame* last() const;
+  int size() const;
+
+  void accessedFirst();
+  void accessedLast();
+  void accessed(int i);
+
+  void remove_old_frames(qint64 older_than);
+
+private:
+  struct CachedFrame {
+    AVFrame* frame;
+    qint64 accessed;
+  };
+
+  QList<CachedFrame> frames_;
+
+  static int global_frame_count_;
+
+};
+
+#endif // FFMPEGFRAMECACHE_H