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#ifndef NULLSOFT_REMAININGH
#define NULLSOFT_REMAININGH
#include <assert.h>
#include <memory.h>
/* this class is used to store leftover samples */
class Remaining
{
public:
Remaining()
: store(0), size(0), used(0)
{}
void Allocate(unsigned long _size)
{
assert(_size);
used=0;
size=_size;
if (store)
delete [] store;
store = new unsigned char [size];
}
/* Saves the incoming data and updates the pointer positions */
template <class storage_t>
void UpdatingWrite(storage_t *&data, unsigned long &bytes)
{
unsigned long bytesToWrite = min(bytes, SizeRemaining());
Write(data, bytesToWrite);
assert(bytesToWrite);
data = (storage_t *)((char *)data + bytesToWrite);
bytes -= bytesToWrite;
}
void Write(void *data, unsigned long bytes)
{
unsigned char *copy = (unsigned char *)store;
copy+=used;
memcpy(copy, data, bytes);
used+=bytes;
}
unsigned long SizeRemaining()
{
return size-used;
}
bool Empty()
{
return !used;
}
bool Full()
{
return size == used;
}
void *GetData()
{
return (void *)store;
}
void Flush()
{
used=0;
}
unsigned char *store;
long size, used;
};
#endif
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