server1/Server/ThreadRecord/RecordThread.cpp

#include "RecordThread.h"

#include "GlobalInfo.h"
#include "ThreadManager.h"
#include "AssignSrcDataThread.h"
#include "AudioData.h"

#include <cstring>
#include <QFile>


RecordThread::RecordThread(RecordThreadInfo_t& threadInfo) : BaseRecordThread(threadInfo)
{
    m_logger = spdlog::get("RecordAudio");
    if(m_logger == nullptr)
    {
        fmt::print("RecordThread: RecordAudio Logger not found.\n");
        return;
    }
}

RecordThread::~RecordThread()
{

}


/* 设置声卡描述符 */
void RecordThread::setAudioRecordDesc(const std::string& desc)
{
    m_audioRecordDesc = desc;
}

/* 设置分派线程的指针 */
void RecordThread::setAssignSrcDataThread(AssignSrcDataThread* pThread)
{
    if(pThread == nullptr)
    {
        SPDLOG_LOGGER_ERROR(m_logger, "{} 分派数据线程指针为空", m_logBase);
        return;
    }
    m_assignThread = pThread;
    // SPDLOG_LOGGER_INFO(m_logger, "{} 设置分派数据线程成功", m_logBase);
}

/* 录制功能线程函数 */
void RecordThread::task()
{
    SPDLOG_LOGGER_INFO(m_logger, "➢ {} 开始录音线程 ", m_logBase);

    /* 先初始化数据 */
    if(!initData())
    {
        SPDLOG_LOGGER_ERROR(m_logger, "{} 初始化数据失败", m_logBase);
        return;
    }

#if(RECORD_READFILE)
    testOpenData();
#else
    /* 打开录音通道 */
    if(m_audioRecordDesc.empty())
    {
        SPDLOG_LOGGER_ERROR(m_logger, "{} 声卡描述符为空，无法打开录音通道", m_logBase);
        return;
    }
    if(!m_audioRecord.openRecordChannel(m_audioRecordDesc))
    {
        SPDLOG_LOGGER_ERROR(m_logger, "{} 打开声卡通道失败: {}", m_logBase, m_audioRecordDesc);
        return;
    }
#endif /* RECORD_READFILE */


    while(m_assignThread == nullptr)
    {
        std::this_thread::sleep_for(std::chrono::milliseconds(100));
        m_assignThread = getAssignSrcDataThread();
    }
    SPDLOG_LOGGER_INFO(m_logger, "{} 获取AssignSrcDataThread线程成功", m_logBase);

    // m_testLastTime = std::chrono::steady_clock::now();

    m_isRunning = true;
    while(m_isRunning)
    {
        // std::chrono::steady_clock::time_point startTime = std::chrono::steady_clock::now();

        /* 获取音频数据，读取的帧数就是采样率，也就是一秒钟数据 */
    #if(RECORD_READFILE)
        testGetData(m_pRecordBuffer, m_recordBufferSize, m_oneRecordCount);
    #else
        if(!m_audioRecord.recordAudio(m_pRecordBuffer, m_recordBufferSize, m_oneRecordCount))
        {
            SPDLOG_LOGGER_ERROR(m_logger, "{} 录音失败，可能是声卡被占用或其他错误", m_logBase);
            break;  /* 录音失败，退出循环 */
        }
    #endif /* RECORD_READFILE */

        // std::chrono::steady_clock::time_point recordTime = std::chrono::steady_clock::now();
        // auto recordDuration = std::chrono::duration_cast<std::chrono::milliseconds>(recordTime - startTime);
        // SPDLOG_LOGGER_TRACE(m_logger, "{} 录音完成，数据大小: {}, 消耗时长:{}ms", m_logBase, m_recordBufferSize, recordDuration.count());

        QDateTime currentTime = QDateTime::currentDateTime();
        /* 将音频数据拷贝给分派数据的线程 */
        if(m_assignThread != nullptr)
        {
            m_assignThread->setSrcData(m_pRecordBuffer, m_recordBufferSize, currentTime);
        }
        // for(int i = 0; i < 30; ++i)
        // {
        //     /* 这里可以添加对音频数据的处理，比如噪音检测等 */
        //     fmt::print(" |{} {}, short: {}\n", static_cast<uint8_t>(*(m_pRecordBuffer + i*2)), static_cast<uint8_t>(*(m_pRecordBuffer + i*2+1)), 
        //     static_cast<int16_t>(*(m_pRecordBuffer + i * 2)));
        // }
        memset(m_pRecordBuffer, 0, m_recordBufferSize);  /* 清空缓存，准备下一次录音 */

        // std::chrono::steady_clock::time_point endTime = std::chrono::steady_clock::now();
        // auto duration = std::chrono::duration_cast<std::chrono::microseconds>(endTime - recordTime);
        // SPDLOG_LOGGER_TRACE(m_logger, "{} 分派数据耗时: {}us", m_logBase, duration.count());
    }

    SPDLOG_LOGGER_WARN(m_logger, "➢ {} 结束录音", m_logBase);
    m_isRunning = false;
}


/* 设置数据 */
bool RecordThread::setData(const AudioSrcData& srcData)
{
    return true;
}


/* 初始化数据 */
bool RecordThread::initData()
{
    /* 获取全局数据 */
    m_sampleRate = GInfo.sampleRate();          /* 采样率 */
    m_numChannels = GInfo.numChannels();        /* 声道数 */
    m_bitsPerSample = GInfo.bitsPerSample();    /* 每个采样点的位数 */

    m_oneSecondSize = m_sampleRate * m_numChannels * (m_bitsPerSample / 8); /* 每秒钟的音频数据大小 */

    /* 每次录音的音频数据大小，这里的大小是计算一个音量包所需要的大小 */
    m_recordBufferSize = m_oneSecondSize / VOLUME_INFO_NUM;
    m_oneRecordCount = m_sampleRate / VOLUME_INFO_NUM;
    m_pRecordBuffer = new char[m_recordBufferSize] {0};  /* 录音数据缓存 */

    /* 初始化录制类的参数 */
    m_audioRecord.setRecordParams(m_sampleRate, m_bitsPerSample, m_numChannels);

    /* 设置声卡描述符 */
    // m_audioRecordDesc = fmt::format("hw:{},{}", m_threadInfo.cardRoadInfo.nSoundCardNum, m_threadInfo.cardRoadInfo.roadInfo.nRoadNum);
    m_audioRecordDesc = fmt::format("plughw:{},{}", m_threadInfo.cardRoadInfo.nSoundCardNum, m_threadInfo.cardRoadInfo.roadInfo.nRoadNum);


    return true;
}

/* 清除数据 */
void RecordThread::clearData()
{
    if(m_pRecordBuffer != nullptr)
    {
        delete[] m_pRecordBuffer;
        m_pRecordBuffer = nullptr;
    }
    m_recordBufferSize = 0;
}


/* 获取AssignSrcDataThread线程 */
AssignSrcDataThread* RecordThread::getAssignSrcDataThread()
{
    auto pThread = ThreadMan.findRecordThread(EThreadType::Type_AssignSrcData, m_threadInfo.cardRoadInfo.nSoundCardNum, m_threadInfo.cardRoadInfo.roadInfo.nRoadNum);
    if(pThread != nullptr)
    {
        return dynamic_cast<AssignSrcDataThread*>(pThread);
    }
    return nullptr;
}

/* 打开文件，文件名命名格式cardNum_cardRoad.wav */
void RecordThread::testOpenData()
{
    QString strFileName = QString("%1-%2.wav")
        .arg(m_threadInfo.cardRoadInfo.nSoundCardNum).arg(m_threadInfo.cardRoadInfo.roadInfo.nRoadNum);
    QFile wavFile;
    wavFile.setFileName(strFileName);
    if(!wavFile.open(QIODevice::ReadOnly))
    {
        SPDLOG_LOGGER_ERROR(m_logger, "{} 打开测试文件失败: {}", m_logBase, strFileName.toStdString());
        return;
    }
    /* 先读取前44个字节，获取文件信息 */
    wavFile.seek(0);
    WavHeader header;
    wavFile.read(reinterpret_cast<char*>(&header), sizeof(WavHeader));
    
    m_testData = wavFile.readAll();
    wavFile.close();

    /* 打印头文件信息 */
    SPDLOG_LOGGER_INFO(m_logger, "***********************************************");
    SPDLOG_LOGGER_INFO(m_logger, "{} 测试文件头信息: ", m_logBase);
    SPDLOG_LOGGER_INFO(m_logger, "  - 文件名: {}", strFileName.toStdString());
    SPDLOG_LOGGER_INFO(m_logger, "  - 采样率: {}", header.sampleRate);
    SPDLOG_LOGGER_INFO(m_logger, "  - 声道数: {}", header.numChannels);
    SPDLOG_LOGGER_INFO(m_logger, "  - 位深度: {}", header.bitsPerSample);
    SPDLOG_LOGGER_INFO(m_logger, "  - 数据大小: {}", header.fileSize);
    SPDLOG_LOGGER_INFO(m_logger, "  - 数据大小: {}", header.fileSize);
    SPDLOG_LOGGER_INFO(m_logger, "  - 文件格式: {}", header.audioFormat);
    SPDLOG_LOGGER_INFO(m_logger, "***********************************************");
}

/* 测试数据，读取文件，模拟录音 */
void RecordThread::testGetData(char* buffer, int32_t bufferSize, int32_t recordFrames)
{
    if(m_testData.size() < bufferSize)
    {
        SPDLOG_LOGGER_ERROR(m_logger, "{} 测试数据不足，无法读取", m_logBase);
        return;
    }
    if(m_testData.size() - m_testReadSize < bufferSize)
    {
        /* 剩下的不足100ms，直接扔了，从头开始读取 */
        m_testReadSize = 0;
    }
    // m_testLastTime = std::chrono::steady_clock::now();
    /* 读取测试数据 */
    // memcpy(buffer, m_testData.mid(m_testReadSize).data(), bufferSize);
    memcpy(buffer, m_testData.constData() + m_testReadSize, bufferSize);
    m_testReadSize += bufferSize;

    // auto nowTime = std::chrono::steady_clock::now();
    // SPDLOG_LOGGER_TRACE(m_logger, "{} 测试数据读取完成，大小: {}, 已读取: {}, 耗时: {}us", 
    //     m_logBase, bufferSize, m_testReadSize, 
    //     std::chrono::duration_cast<std::chrono::microseconds>(nowTime - m_testLastTime).count());
    // m_testLastTime = nowTime;

    preciseSleepMs(31);
}

void RecordThread::preciseSleepMs(int ms)
{
    auto start = std::chrono::steady_clock::now();
    auto end = start + std::chrono::milliseconds(ms);
    while (std::chrono::steady_clock::now() < end)
    {
        auto now = std::chrono::steady_clock::now();
        auto remain = std::chrono::duration_cast<std::chrono::milliseconds>(end - now).count();
        if (remain > 2)
            std::this_thread::sleep_for(std::chrono::milliseconds(remain - 1));
        else
            ; // busy-wait，最后1~2ms用空循环补偿
    }
}