1 files changed, 111 insertions, 0 deletions

diff --git a/xbmc/addons/Visualisation.h b/xbmc/addons/Visualisation.h
new file mode 100644
index 0000000..0a2a1cb
--- /dev/null
+++ b/xbmc/addons/Visualisation.h
@@ -0,0 +1,111 @@
+/*
+ *      Copyright (C) 2005-2013 Team XBMC
+ *      http://xbmc.org
+ *
+ *  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 2, 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 XBMC; see the file COPYING.  If not, see
+ *  <http://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "AddonDll.h"
+#include "cores/IAudioCallback.h"
+#include "include/xbmc_vis_types.h"
+#include "guilib/IRenderingCallback.h"
+
+#include <map>
+#include <list>
+#include <memory>
+
+#define AUDIO_BUFFER_SIZE 512 // MUST BE A POWER OF 2!!!
+#define MAX_AUDIO_BUFFERS 16
+
+class CCriticalSection;
+
+typedef DllAddon<Visualisation, VIS_PROPS> DllVisualisation;
+
+class CAudioBuffer
+{
+public:
+  CAudioBuffer(int iSize);
+  virtual ~CAudioBuffer();
+  const float* Get() const;
+  void Set(const float* psBuffer, int iSize);
+private:
+  CAudioBuffer();
+  float* m_pBuffer;
+  int m_iLen;
+};
+
+namespace ADDON
+{
+  class CVisualisation : public CAddonDll<DllVisualisation, Visualisation, VIS_PROPS>
+                       , public IAudioCallback
+                       , public IRenderingCallback
+  {
+  public:
+    CVisualisation(const ADDON::AddonProps &props) : CAddonDll<DllVisualisation, Visualisation, VIS_PROPS>(props) {}
+    CVisualisation(const cp_extension_t *ext) : CAddonDll<DllVisualisation, Visualisation, VIS_PROPS>(ext) {}
+    virtual void OnInitialize(int iChannels, int iSamplesPerSec, int iBitsPerSample);
+    virtual void OnAudioData(const float* pAudioData, int iAudioDataLength);
+    bool Create(int x, int y, int w, int h, void *device);
+    void Start(int iChannels, int iSamplesPerSec, int iBitsPerSample, const std::string &strSongName);
+    void AudioData(const float *pAudioData, int iAudioDataLength, float *pFreqData, int iFreqDataLength);
+    void Render();
+    void Stop();
+    void GetInfo(VIS_INFO *info);
+    bool OnAction(VIS_ACTION action, void *param = NULL);
+    bool UpdateTrack();
+    bool HasSubModules() { return !m_submodules.empty(); }
+    bool IsLocked();
+    unsigned GetPreset();
+    std::string GetPresetName();
+    bool GetPresetList(std::vector<std::string>& vecpresets);
+    bool GetSubModuleList(std::vector<std::string>& vecmodules);
+    static std::string GetFriendlyName(const std::string& vis, const std::string& module);
+    void Destroy();
+
+  private:
+    void CreateBuffers();
+    void ClearBuffers();
+
+    bool GetPresets();
+    bool GetSubModules();
+
+    // attributes of the viewport we render to
+    int m_xPos;
+    int m_yPos;
+    int m_width;
+    int m_height;
+
+    // cached preset list
+    std::vector<std::string> m_presets;
+    // cached submodule list
+    std::vector<std::string> m_submodules;
+    int m_currentModule;
+
+    // audio properties
+    int m_iChannels;
+    int m_iSamplesPerSec;
+    int m_iBitsPerSample;
+    std::list<CAudioBuffer*> m_vecBuffers;
+    int m_iNumBuffers;        // Number of Audio buffers
+    bool m_bWantsFreq;
+    float m_fFreq[2*AUDIO_BUFFER_SIZE];         // Frequency data
+    bool m_bCalculate_Freq;       // True if the vis wants freq data
+
+    // track information
+    std::string m_AlbumThumb;
+  };
+}