src/effects/LadspaEffect.h

/*
    Copyright (C) 2010 Christian Schoenebeck
*/

#ifndef LS_LADSPAEFFECT_H
#define LS_LADSPAEFFECT_H

#include "Effect.h"
#include "EffectInfo.h"
#include "../common/ladspa.h"
#include "../common/Exception.h"
#include <vector>

namespace LinuxSampler {

class LadspaEffectInfo;
class AudioOutputDevice;

/**
 * Implementation of internal effects using the LADSPA effect system.
 *
 * @e Note: this class is only sampler internal and won't be exported to the
 * external C++ API of the sampler. Use the static class EffectFactory instead
 * for managing LADSPA effects by external applications.
 */
class LadspaEffect : public Effect {
public:
    LadspaEffect(EffectInfo* pInfo) throw (Exception);
   ~LadspaEffect();
    void RenderAudio(uint Samples);
    void InitEffect(AudioOutputDevice* pDevice) throw (Exception);
    static std::vector<EffectInfo*> AvailableEffects();

private:
    LadspaEffectInfo* pInfo;
    void* hDLL;
    const LADSPA_Descriptor* pDescriptor;
    LADSPA_Handle hEffect;
    AudioOutputDevice* pDevice;

    float getLowerB(int iPort) const;
    float getUpperB(int iPort) const;
};

} // namespace LinuxSampler

#endif // LS_LADSPAEFFECT_H
1	schoenebeck	2124	/*
2			Copyright (C) 2010 Christian Schoenebeck
3			*/
4
5			#ifndef LS_LADSPAEFFECT_H
6			#define LS_LADSPAEFFECT_H
7
8			#include "Effect.h"
9			#include "EffectInfo.h"
10			#include "../common/ladspa.h"
11			#include "../common/Exception.h"
12			#include <vector>
13
14			namespace LinuxSampler {
15
16			class LadspaEffectInfo;
17			class AudioOutputDevice;
18
19			/**
20			* Implementation of internal effects using the LADSPA effect system.
21			*
22			* @e Note: this class is only sampler internal and won't be exported to the
23			* external C++ API of the sampler. Use the static class EffectFactory instead
24			* for managing LADSPA effects by external applications.
25			*/
26			class LadspaEffect : public Effect {
27			public:
28			LadspaEffect(EffectInfo* pInfo) throw (Exception);
29			~LadspaEffect();
30			void RenderAudio(uint Samples);
31			void InitEffect(AudioOutputDevice* pDevice) throw (Exception);
32			static std::vector<EffectInfo*> AvailableEffects();
33
34			private:
35			LadspaEffectInfo* pInfo;
36			void* hDLL;
37			const LADSPA_Descriptor* pDescriptor;
38			LADSPA_Handle hEffect;
39			AudioOutputDevice* pDevice;
40
41			float getLowerB(int iPort) const;
42			float getUpperB(int iPort) const;
43			};
44
45			} // namespace LinuxSampler
46
47			#endif // LS_LADSPAEFFECT_H