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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <array>
#include <memory>
#include <string>
#include "audio_core/audio_core.h"
#include "audio_core/hle/dsp.h"
#include "audio_core/hle/pipe.h"
#include "audio_core/null_sink.h"
#include "audio_core/sink.h"
#include "audio_core/sink_details.h"
#include "common/common_types.h"
#include "core/core_timing.h"
#include "core/hle/service/dsp_dsp.h"
namespace AudioCore {
// Audio Ticks occur about every 5 miliseconds.
static CoreTiming::EventType* tick_event; ///< CoreTiming event
static constexpr u64 audio_frame_ticks = 1310252ull; ///< Units: ARM11 cycles
static void AudioTickCallback(u64 /*userdata*/, int cycles_late) {
if (DSP::HLE::Tick()) {
// TODO(merry): Signal all the other interrupts as appropriate.
Service::DSP_DSP::SignalPipeInterrupt(DSP::HLE::DspPipe::Audio);
// HACK(merry): Added to prevent regressions. Will remove soon.
Service::DSP_DSP::SignalPipeInterrupt(DSP::HLE::DspPipe::Binary);
}
// Reschedule recurrent event
CoreTiming::ScheduleEvent(audio_frame_ticks - cycles_late, tick_event);
}
void Init() {
DSP::HLE::Init();
tick_event = CoreTiming::RegisterEvent("AudioCore::tick_event", AudioTickCallback);
CoreTiming::ScheduleEvent(audio_frame_ticks, tick_event);
}
std::array<u8, Memory::DSP_RAM_SIZE>& GetDspMemory() {
return DSP::HLE::g_dsp_memory.raw_memory;
}
void SelectSink(std::string sink_id) {
const SinkDetails& sink_details = GetSinkDetails(sink_id);
DSP::HLE::SetSink(sink_details.factory());
}
void EnableStretching(bool enable) {
DSP::HLE::EnableStretching(enable);
}
void Shutdown() {
CoreTiming::UnscheduleEvent(tick_event, 0);
DSP::HLE::Shutdown();
}
} // namespace AudioCore
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