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[WIP] Libretro: Add audio support (#714)

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* Libretro: Add audio support

* Adding audio interface part 1

* Audio device pt 2

* More audio device

* More audio device

* Morea uudi odevice

* More audio device

* More audio device

* More audio device

---------

Co-authored-by: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>
This commit is contained in:
Jonian Guveli 2025-02-09 05:04:36 +02:00 • committed by GitHub
parent 4cb66217c2
commit 042ab6de03
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8 changed files with 125 additions and 23 deletions
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24
include/audio/miniaudio_device.hpp
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@ -3,39 +3,31 @@
#include <string>
#include <vector>
#include "config.hpp"
#include "helpers.hpp"
#include "audio/audio_device_interface.hpp"
#include "miniaudio.h"
#include "ring_buffer.hpp"
class MiniAudioDevice {
using Samples = Common::RingBuffer<ma_int16, 0x2000 * 2>;
class MiniAudioDevice : public AudioDeviceInterface {
static constexpr ma_uint32 sampleRate = 32768; // 3DS sample rate
static constexpr ma_uint32 channelCount = 2; // Audio output is stereo
bool initialized = false;
ma_device device;
ma_context context;
ma_device_config deviceConfig;
Samples* samples = nullptr;
const AudioDeviceConfig& audioSettings;
bool initialized = false;
bool running = false;
// Store the last stereo sample we output. We play this when underruning to avoid pops.
std::array<s16, 2> lastStereoSample;
std::vector<std::string> audioDevices;
public:
MiniAudioDevice(const AudioDeviceConfig& audioSettings);
// If safe is on, we create a null audio device
void init(Samples& samples, bool safe = false);
void close();
void init(Samples& samples, bool safe = false) override;
void close() override;
void start();
void stop();
void start() override;
void stop() override;
bool isInitialized() const { return initialized; }
};