Library_Project/demo/RecordAudio/main.cpp

#include <QApplication>
#include "Logs/loginit.h"
#include "bundled/core.h"
#include "spdlog/spdlog.h"

#include "AudioRecord.h"

#include <fstream>



int main(int argc, char *argv[])
{
    QApplication a(argc, argv);

    init_log();

    SPDLOG_INFO("********** RecordAudio **********");

    std::list<AudioDevice_t> audioDevices;
    getAudioDevices(audioDevices);
    SPDLOG_INFO("可用的声卡设备:");
    for (const auto &device : audioDevices) {
        SPDLOG_INFO("声卡编号: {}, ID: {}, 名称: {}, 驱动: {}, 长名称: {}, 混音器名称: {}, 组件信息: {}",
                    device.CardNumber, device.CardID, device.CardName, device.CardDriver,
                    device.CardLongName, device.CardMixername, device.CardComponents);
        for (const auto &pcmDevice : device.PCMDevices) {
            SPDLOG_INFO("  PCM设备编号: {}, 子设备编号: {}, 声卡ID: {}, 名称: {}, 子设备名称: {}",
                        pcmDevice.PCMDevice, pcmDevice.SubDevice, pcmDevice.PCMID,
                        pcmDevice.PCMName, pcmDevice.PCMSubName);
        }
    }
    SPDLOG_INFO("********** 获取声卡设备列表完成 **********");
    std::list<AudioDeviceDesc_t> audioDeviceDescs;
    getPCMAudioDevice(audioDeviceDescs);

    SPDLOG_INFO("可用的声卡字符设备:");
    for (const auto &deviceDesc : audioDeviceDescs) {
        SPDLOG_INFO("设备名称: {}, 描述: {}, IOID: {}, 声卡: {}, 设备编号: {}",
                    deviceDesc.DeviceName, deviceDesc.DeviceDesc,
                    deviceDesc.IOID, deviceDesc.Card, deviceDesc.DevNum);
    }
    SPDLOG_INFO("********** 获取声卡字符设备列表完成 **********");

    AudioRecord audioRecord;
    std::string deviceName = fmt::format("hw:{},{}", audioDevices.front().CardNumber, audioDevices.front().PCMDevices.front().PCMDevice);
    audioRecord.setRecordParams(44100, 16, 2); // 设置采样率为44100Hz，16位深度，2通道
    if (!audioRecord.openRecordChannel(deviceName)) {
        SPDLOG_ERROR("无法打开音频通道: {}", deviceName);
        return -1;
    }
    std::ofstream outFile("recorded_audio.raw", std::ios::binary | std::ios::out | std::ios::trunc);
    if (!outFile.is_open()) {
        SPDLOG_ERROR("无法打开输出文件: recorded_audio.raw");
        return -1;
    }
    for(int i = 0; i < 10; ++i) { // 录制10秒
        char buffer[44100 * 2 * 2]; // 1秒的缓冲区大小，44100帧 * 2通道 * 2字节
        int bytesRead = audioRecord.recordAudio(buffer, sizeof(buffer), 44100);
        if (bytesRead < 0) {
            SPDLOG_ERROR("录音失败");
            outFile.close();
            return -1;
        }
        outFile.write(buffer, bytesRead);
        SPDLOG_INFO("已录制 {} 秒音频", i + 1);
    }
    outFile.close();
    SPDLOG_INFO("录音完成，音频数据已保存到 recorded_audio.raw");

    return a.exec();
}