/*
 * Copyright 2006 Milan Digital Audio LLC
 * Copyright 2009-2024 GrandOrgue contributors (see AUTHORS)
 * License GPL-2.0 or later
 * (https://www.gnu.org/licenses/old-licenses/gpl-2.0.html).
 */

#ifndef GOSOUNDSAMPLERPOOL_H_
#define GOSOUNDSAMPLERPOOL_H_

#include "GOSoundSimpleSamplerList.h"
#include "ptrvector.h"
#include "threading/GOMutex.h"

struct GOSoundSampler;

class GOSoundSamplerPool {
private:
  GOMutex m_Lock;
  std::atomic_uint m_SamplerCount;
  unsigned m_UsageLimit;
  GOSoundSimpleSamplerList m_AvailableSamplers;
  ptr_vector<GOSoundSampler> m_Samplers;

public:
  GOSoundSamplerPool();
  GOSoundSampler *GetSampler();
  void ReturnSampler(GOSoundSampler *sampler);
  void ReturnAll();
  unsigned GetUsageLimit() const;
  void SetUsageLimit(unsigned count);
  unsigned UsedSamplerCount() const;
};

inline unsigned GOSoundSamplerPool::GetUsageLimit() const {
  return m_UsageLimit;
}

inline unsigned GOSoundSamplerPool::UsedSamplerCount() const {
  return m_SamplerCount.load();
}

#endif /* GOSOUNDSAMPLERPOOL_H_ */
