rpcs3/Utilities/simple_ringbuf.h
Vestrel 37a722cc1d
Audio backend improvements
Callback based audio update.
Upgraded common backend interface.
Added Cubeb backend.
Support multiple audio providers.
Dropped pulse, alsa, openal backends.
2021-11-24 19:41:05 +01:00

32 lines
574 B
C++

#pragma once
#include "util/types.hpp"
#include "util/atomic.hpp"
// Single reader/writer simple ringbuffer.
// Counters are 32-bit.
class simple_ringbuf
{
private:
atomic_t<u64> rw_ptr = 0;
u32 buf_size = 0;
std::unique_ptr<u8[]> buf{};
atomic_t<bool> initialized = false;
public:
simple_ringbuf() {};
simple_ringbuf(u32 size);
u32 get_free_size();
u32 get_used_size();
// Thread unsafe functions.
void set_buf_size(u32 size);
void flush(); // Could be safely called from reader.
u32 push(const void *data, u32 size);
u32 pop(void *data, u32 size);
};