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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <memory>
#include "audio_core/hle/dsp.h"
#include "audio_core/hle/pipe.h"
#include "audio_core/sink.h"
namespace DSP {
namespace HLE {
std::array<SharedMemory, 2> g_regions;
static size_t CurrentRegionIndex() {
// The region with the higher frame counter is chosen unless there is wraparound.
// This function only returns a 0 or 1.
if (g_regions[0].frame_counter == 0xFFFFu && g_regions[1].frame_counter != 0xFFFEu) {
// Wraparound has occured.
return 1;
}
if (g_regions[1].frame_counter == 0xFFFFu && g_regions[0].frame_counter != 0xFFFEu) {
// Wraparound has occured.
return 0;
}
return (g_regions[0].frame_counter > g_regions[1].frame_counter) ? 0 : 1;
}
static SharedMemory& ReadRegion() {
return g_regions[CurrentRegionIndex()];
}
static SharedMemory& WriteRegion() {
return g_regions[1 - CurrentRegionIndex()];
}
static std::unique_ptr<AudioCore::Sink> sink;
void Init() {
DSP::HLE::ResetPipes();
}
void Shutdown() {
}
bool Tick() {
return true;
}
void SetSink(std::unique_ptr<AudioCore::Sink> sink_) {
sink = std::move(sink_);
}
} // namespace HLE
} // namespace DSP
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