Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 103 insertions, 0 deletions

diff --git a/xbmc/guilib/GUIVisualisationControl.h b/xbmc/guilib/GUIVisualisationControl.h
new file mode 100644
index 0000000..5d674aa
--- /dev/null
+++ b/xbmc/guilib/GUIVisualisationControl.h
@@ -0,0 +1,103 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include "GUIControl.h"
+#include "cores/AudioEngine/Interfaces/IAudioCallback.h"
+
+#include <list>
+#include <string>
+#include <vector>
+
+namespace KODI
+{
+namespace ADDONS
+{
+class CVisualization;
+} // namespace ADDONS
+} // namespace KODI
+
+class CAudioBuffer
+{
+public:
+  explicit CAudioBuffer(int iSize);
+  virtual ~CAudioBuffer();
+  const float* Get() const;
+  int Size() const;
+  void Set(const float* psBuffer, int iSize);
+
+private:
+  CAudioBuffer(const CAudioBuffer&) = delete;
+  CAudioBuffer& operator=(const CAudioBuffer&) = delete;
+  CAudioBuffer();
+  float* m_pBuffer;
+  int m_iLen;
+};
+
+class CGUIVisualisationControl : public CGUIControl, public IAudioCallback
+{
+public:
+  CGUIVisualisationControl(
+      int parentID, int controlID, float posX, float posY, float width, float height);
+  CGUIVisualisationControl(const CGUIVisualisationControl& from);
+  CGUIVisualisationControl* Clone() const override
+  {
+    return new CGUIVisualisationControl(*this);
+  }; //! @todo check for naughties
+
+  // Child functions related to IAudioCallback
+  void OnInitialize(int channels, int samplesPerSec, int bitsPerSample) override;
+  void OnAudioData(const float* audioData, unsigned int audioDataLength) override;
+
+  // Child functions related to CGUIControl
+  void FreeResources(bool immediately = false) override;
+  void Process(unsigned int currentTime, CDirtyRegionList& dirtyregions) override;
+  void Render() override;
+  void UpdateVisibility(const CGUIListItem* item = nullptr) override;
+  bool OnAction(const CAction& action) override;
+  bool OnMessage(CGUIMessage& message) override;
+  bool CanFocus() const override { return false; }
+  bool CanFocusFromPoint(const CPoint& point) const override;
+
+  std::string Name();
+  void UpdateTrack();
+  bool HasPresets();
+  void SetPreset(int idx);
+  bool IsLocked();
+  int GetActivePreset();
+  std::string GetActivePresetName();
+  bool GetPresetList(std::vector<std::string>& vecpresets);
+
+private:
+  bool InitVisualization();
+  void DeInitVisualization();
+  inline void CreateBuffers();
+  inline void ClearBuffers();
+
+  bool m_callStart{false};
+  bool m_alreadyStarted{false};
+  bool m_attemptedLoad{false};
+  bool m_updateTrack{false};
+
+  std::list<std::unique_ptr<CAudioBuffer>> m_vecBuffers;
+  unsigned int m_numBuffers; /*!< Number of Audio buffers */
+  std::vector<std::string> m_presets; /*!< cached preset list */
+
+  /* values set from "OnInitialize" IAudioCallback  */
+  int m_channels;
+  int m_samplesPerSec;
+  int m_bitsPerSample;
+
+  std::string m_albumThumb; /*!< track information */
+  std::string m_name; /*!< To add-on sended name */
+  std::string m_presetsPath; /*!< To add-on sended preset path */
+  std::string m_profilePath; /*!< To add-on sended profile path */
+
+  std::unique_ptr<KODI::ADDONS::CVisualization> m_instance;
+};