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#pragma once
#include <stdlib.h>
#include <vector>
#include <audiotypes.h>
#include <mutex>
#include "mutex.h"
class AudioCacheFile;
#define CACHE_DUMMYID -2
#define CACHE_NOID -1
typedef int cacheid_t;
typedef struct {
cacheid_t id{CACHE_NOID};
AudioCacheFile* afile{nullptr};
size_t channel{0};
size_t pos{0};
volatile bool ready{false};
sample_t* front{nullptr};
sample_t* back{nullptr};
size_t localpos{0};
sample_t* preloaded_samples{nullptr};
size_t preloaded_samples_size{0};
} cache_t;
class AudioCacheIDManager {
friend class AudioCacheEventHandler;
public:
AudioCacheIDManager() = default;
~AudioCacheIDManager();
void init(unsigned int capacity);
cache_t& getCache(cacheid_t id);
cacheid_t registerID(const cache_t& cache);
void releaseID(cacheid_t id);
protected:
void disableActive();
std::vector<cacheid_t> getActiveIDs();
std::mutex mutex;
std::vector<cache_t> id2cache;
std::vector<cacheid_t> available_ids;
};
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