citra/src/core/frontend/mic.cpp

// Copyright 2018 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include <array>
#include "core/frontend/mic.h"
#include "core/hle/service/mic_u.h"

namespace Frontend::Mic {

constexpr std::array<u8, 32> NOISE_SAMPLE_8_BIT = {
    0xFC, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xF5, 0xFF, 0xFF, 0xFF, 0xFF, 0x8E, 0xFF,
    0xF4, 0xE1, 0xBF, 0x9A, 0x71, 0x58, 0x5B, 0x5F, 0x62, 0xC2, 0x25, 0x05, 0x01, 0x01, 0x01, 0x01};

constexpr std::array<u8, 512> NOISE_SAMPLE_16_BIT = {
    0x64, 0x61, 0x74, 0x61, 0x56, 0xD7, 0x00, 0x00, 0x48, 0xF7, 0x86, 0x05, 0x77, 0x1A, 0xF4, 0x1F,
    0x28, 0x0F, 0x6B, 0xEB, 0x1C, 0xC0, 0xCB, 0x9D, 0x46, 0x90, 0xDF, 0x98, 0xEA, 0xAE, 0xB5, 0xC4,
    0x9D, 0xCE, 0xB6, 0xC9, 0xDF, 0xBD, 0x82, 0xBA, 0x83, 0xCD, 0x57, 0xF9, 0x96, 0x30, 0x2C, 0x5B,
    0x29, 0x64, 0xD3, 0x46, 0x0D, 0x12, 0x3E, 0xDE, 0x00, 0xBD, 0x74, 0xAE, 0xF0, 0xA4, 0x91, 0x93,
    0x02, 0x80, 0x00, 0x80, 0x03, 0x80, 0x6F, 0xAA, 0x8E, 0xE8, 0xEE, 0x1A, 0x2B, 0x2C, 0xC6, 0x18,
    0xF8, 0xED, 0xC2, 0xBE, 0x00, 0x99, 0xC1, 0x82, 0x00, 0x80, 0xA6, 0x8A, 0x37, 0xA8, 0x6B, 0xCE,
    0x20, 0xEF, 0xD0, 0xFD, 0x68, 0xF9, 0x50, 0xEF, 0x89, 0xF2, 0xDE, 0x0C, 0x24, 0x36, 0xDB, 0x58,
    0xB2, 0x61, 0xD5, 0x4C, 0x0B, 0x27, 0x6D, 0x02, 0xDC, 0xE8, 0x13, 0xD8, 0x2F, 0xC9, 0x07, 0xBC,
    0xAB, 0xBA, 0x70, 0xD1, 0xDE, 0x01, 0xF2, 0x3C, 0x64, 0x6A, 0xFF, 0x78, 0x47, 0x6B, 0x26, 0x56,
    0x9B, 0x51, 0xF3, 0x65, 0xFF, 0x7F, 0xFF, 0x7F, 0x88, 0x6B, 0x46, 0x24, 0xBF, 0xD8, 0x8C, 0xB4,
    0xD9, 0xCF, 0x77, 0x1C, 0x43, 0x6B, 0xFE, 0x7F, 0x15, 0x64, 0xA6, 0x13, 0x03, 0xCE, 0x51, 0xBF,
    0xC7, 0xEB, 0xCB, 0x2E, 0x6C, 0x58, 0xA7, 0x51, 0x40, 0x2A, 0x24, 0x06, 0x45, 0xFB, 0xD3, 0xFE,
    0x51, 0xF2, 0x1E, 0xC5, 0x79, 0x8A, 0x00, 0x80, 0x94, 0x8E, 0x7A, 0xDE, 0x83, 0x29, 0x8E, 0x3C,
    0x4B, 0x0F, 0xD8, 0xCB, 0x41, 0xAB, 0xC1, 0xC5, 0xC6, 0xFE, 0x0F, 0x1F, 0x92, 0x05, 0x4B, 0xC4,
    0xDC, 0x8F, 0xE1, 0x90, 0xE3, 0xC0, 0xDB, 0xF1, 0xCC, 0xF8, 0xC8, 0xD4, 0x2A, 0xAF, 0xB7, 0xB5,
    0x7F, 0xF0, 0xB2, 0x39, 0xD4, 0x5C, 0xD6, 0x41, 0x69, 0xFD, 0xEA, 0xBB, 0x57, 0x9B, 0x59, 0x98,
    0x8E, 0x9B, 0x8A, 0x97, 0x54, 0x98, 0xE6, 0xB5, 0x25, 0xF8, 0x77, 0x48, 0xFF, 0x7F, 0xFF, 0x7F,
    0x49, 0x6B, 0xB4, 0x4B, 0xE9, 0x45, 0xE3, 0x57, 0x60, 0x64, 0x8C, 0x4D, 0x69, 0x10, 0x10, 0xCA,
    0x13, 0xA4, 0xC5, 0xB7, 0xE4, 0xFD, 0x7C, 0x54, 0xFF, 0x7F, 0xFF, 0x7F, 0xFF, 0x7F, 0xE0, 0x52,
    0x5E, 0x22, 0x31, 0x0B, 0xB5, 0x12, 0xB1, 0x2E, 0xA7, 0x4D, 0x17, 0x61, 0x46, 0x65, 0xA5, 0x5F,
    0x5C, 0x57, 0xB6, 0x4C, 0x3B, 0x38, 0xFD, 0x11, 0x70, 0xDC, 0x2A, 0xA8, 0xB9, 0x8C, 0xEA, 0x98,
    0x07, 0xC6, 0xDF, 0xF7, 0x2D, 0x0C, 0xEC, 0xF0, 0xA8, 0xB2, 0x02, 0x80, 0x00, 0x80, 0xBA, 0x8A,
    0x0E, 0xCB, 0x54, 0xF7, 0x2B, 0xEE, 0x4C, 0xB9, 0x48, 0x89, 0x8F, 0x90, 0x0E, 0xD8, 0x83, 0x32,
    0xC5, 0x5C, 0x54, 0x34, 0x86, 0xD6, 0x78, 0x8C, 0x88, 0x90, 0x87, 0xDE, 0x75, 0x37, 0x55, 0x56,
    0xF1, 0x28, 0xF0, 0xDA, 0xE2, 0xAB, 0xE6, 0xB6, 0xD6, 0xDF, 0x4D, 0xF4, 0xCF, 0xDE, 0x3E, 0xBA,
    0xC6, 0xB3, 0x81, 0xDA, 0xFE, 0x0D, 0xE9, 0x1D, 0xCE, 0xFB, 0x59, 0xCD, 0x57, 0xCA, 0x77, 0x06,
    0x63, 0x5A, 0xFE, 0x7F, 0x49, 0x63, 0x7F, 0x14, 0x0E, 0xDB, 0x2A, 0xE5, 0x3B, 0x27, 0xFF, 0x69,
    0x0A, 0x7C, 0xC5, 0x56, 0x65, 0x19, 0xEC, 0xE5, 0x0E, 0xC6, 0xA6, 0xB0, 0x09, 0xA2, 0x06, 0xA8,
    0xC7, 0xD1, 0xE9, 0x15, 0xD5, 0x4E, 0xBB, 0x56, 0x85, 0x2A, 0x25, 0xF0, 0x78, 0xD6, 0x70, 0xEB,
    0xF2, 0x0F, 0xE1, 0x15, 0x66, 0xEC, 0xC7, 0xB0, 0xE7, 0x93, 0x9D, 0xAD, 0xD1, 0xE6, 0xD3, 0x0D,
    0xAC, 0x00, 0xB2, 0xC7, 0x5D, 0x8B, 0x00, 0x80, 0xA1, 0x88, 0x14, 0xBE, 0xDF, 0xFB, 0xCF, 0x32,
    0xD8, 0x5B, 0x0F, 0x6F, 0x6C, 0x62, 0xD9, 0x33, 0x76, 0xF3, 0xD6, 0xBF, 0x41, 0xB3, 0x5C, 0xD1};

StaticMic::StaticMic()
    : CACHE_8_BIT{NOISE_SAMPLE_8_BIT.begin(), NOISE_SAMPLE_8_BIT.end()},
      CACHE_16_BIT{NOISE_SAMPLE_16_BIT.begin(), NOISE_SAMPLE_16_BIT.end()} {}

StaticMic::~StaticMic() = default;

void StaticMic::StartSampling(Parameters params) {
    sample_rate = params.sample_rate;
    sample_size = params.sample_size;

    parameters = params;
    is_sampling = true;
}

void StaticMic::StopSampling() {
    is_sampling = false;
}

void StaticMic::AdjustSampleRate(u32 sample_rate) {}

Samples StaticMic::Read() {
    return (sample_size == 8) ? CACHE_8_BIT : CACHE_16_BIT;
}

static std::shared_ptr<Mic::Interface> current_mic;

void RegisterMic(std::shared_ptr<Mic::Interface> mic) {
    current_mic = mic;
}

std::shared_ptr<Mic::Interface> GetCurrentMic() {
    if (!current_mic) {
        current_mic = std::make_shared<Mic::NullMic>();
    }
    return current_mic;
}

} // namespace Frontend::Mic