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/*
* 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;
};
}
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