ffmpegdecoder: re-use existing frame pool for memory management

2020-04-12 14:12:08 +10:00
parent fa16d2169b
commit cdf5a1058d
6 changed files with 189 additions and 105 deletions
@@ -0,0 +1,59 @@
+#ifndef AVFRAMEPTR_H
+#define AVFRAMEPTR_H
+
+extern "C" {
+#include <libavcodec/avcodec.h>
+}
+
+#include <memory>
+#include <QDateTime>
+
+#include "common/constructors.h"
+#include "common/define.h"
+
+OLIVE_NAMESPACE_ENTER
+
+class AVFrameWrapper {
+public:
+  AVFrameWrapper() {
+    frame_ = av_frame_alloc();
+    birthtime_ = QDateTime::currentMSecsSinceEpoch();
+    accessed_ = birthtime_;
+  }
+
+  virtual ~AVFrameWrapper() {
+    av_frame_free(&frame_);
+  }
+
+  DISABLE_COPY_MOVE(AVFrameWrapper)
+
+  inline AVFrame* frame() const {
+    return frame_;
+  }
+
+  inline const qint64& birthtime() const {
+    return birthtime_;
+  }
+
+  inline const qint64& last_accessed() const {
+    return accessed_;
+  }
+
+  void access() {
+    accessed_ = QDateTime::currentMSecsSinceEpoch();
+  }
+
+private:
+  AVFrame* frame_;
+
+  qint64 birthtime_;
+
+  qint64 accessed_;
+
+};
+
+using AVFramePtr = std::shared_ptr<AVFrameWrapper>;
+
+OLIVE_NAMESPACE_EXIT
+
+#endif // AVFRAMEPTR_H