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Implement audio output

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wheremyfoodat 2024-02-22 02:15:49 +02:00
parent 093364f615
commit 21ced6fae7
11 changed files with 299 additions and 9 deletions
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9
include/audio/dsp_core.hpp
View file

@ -9,6 +9,7 @@
#include "helpers.hpp"
#include "logger.hpp"
#include "scheduler.hpp"
#include "ring_buffer.hpp"
// The DSP core must have access to the DSP service to be able to trigger interrupts properly
class DSPService;
@ -23,16 +24,21 @@ namespace Audio {
static constexpr u64 lleSlice = 16384;
class DSPCore {
using Samples = Common::RingBuffer<s16, 1024>;
protected:
Memory& mem;
Scheduler& scheduler;
DSPService& dspService;
Samples sampleBuffer;
MAKE_LOG_FUNCTION(log, dspLogger)
public:
enum class Type { Null, Teakra };
DSPCore(Memory& mem, Scheduler& scheduler, DSPService& dspService) : mem(mem), scheduler(scheduler), dspService(dspService) {}
DSPCore(Memory& mem, Scheduler& scheduler, DSPService& dspService)
: mem(mem), scheduler(scheduler), dspService(dspService) {}
virtual void reset() = 0;
virtual void runAudioFrame() = 0;
@ -49,6 +55,7 @@ namespace Audio {
static Audio::DSPCore::Type typeFromString(std::string inString);
static const char* typeToString(Audio::DSPCore::Type type);
Samples& getSamples() { return sampleBuffer; }
};
std::unique_ptr<DSPCore> makeDSPCore(DSPCore::Type type, Memory& mem, Scheduler& scheduler, DSPService& dspService);

28
include/audio/miniaudio_device.hpp Normal file
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@ -0,0 +1,28 @@
#pragma once
#include <string>
#include <vector>
#include "miniaudio.h"
#include "ring_buffer.hpp"
class MiniAudioDevice {
using Samples = Common::RingBuffer<ma_int16, 1024>;
// static constexpr ma_uint32 sampleRateIn = 32768; // 3DS sample rate
// static constexpr ma_uint32 sampleRateOut = 44100; // Output sample rate
ma_context context;
ma_device_config deviceConfig;
ma_device device;
ma_resampler resampler;
Samples* samples = nullptr;
bool initialized = false;
bool running = false;
std::vector<std::string> audioDevices;
public:
MiniAudioDevice();
// If safe is on, we create a null audio device
void init(Samples& samples, bool safe = false);
void start();
};