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@add-uos add-uos commented Dec 24, 2025

…essing

add thread safety checks and debug logging for audio processing

log: add thread safety checks and debug logging for audio processing
bug: https://pms.uniontech.com/bug-view-340143.html

…essing

add thread safety checks and debug logging for audio processing

log: add thread safety checks and debug logging for audio processing
bug: https://pms.uniontech.com/bug-view-340143.html
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deepin pr auto review

我来对这段代码进行审查,主要关注以下几个方面:

  1. 代码逻辑和线程安全
  2. 错误处理
  3. 资源管理
  4. 性能优化
  5. 日志记录

改进建议:

  1. 线程状态检查优化:
// 在 writMixAudio() 中
while (bWriteMix() && m_bMix) {
    // 建议使用原子变量或互斥锁来保护这些状态变量
    if (!bWriteMix() || !m_bMix) {
        break; // 这个检查是冗余的,因为while条件已经包含
    }
    m_context->m_recordAdmin->m_pOutputStream->writeMixAudio();
}
  1. 资源管理改进:
// 在 readMicToMixAudioPacket() 中
AVFrame *inputFrame = avlibInterface::m_av_frame_alloc();
if (!inputFrame) {
    qDebug() << "readMicToMixAudioPacket: Failed to allocate inputFrame";
    // 建议在这里设置错误状态,而不是直接返回
    setbRunThread(false);
    return AVERROR(ENOMEM);
}
// 使用 RAII 或智能指针来管理资源
  1. 错误处理增强:
// 在 writeMicToMixAudioFrame() 中
if (!m_pMicCodecContext || !m_convertedMicSamples || !isWriteFrame()) {
    qDebug() << "writeMicToMixAudioFrame: Resource check failed";
    // 建议返回具体的错误码,而不是统一的-1
    return AVERROR(EINVAL); // 或其他适当的错误码
}
  1. 性能优化建议:
  • 减少不必要的日志输出,特别是在高频循环中
  • 考虑使用更高效的线程同步机制
  • 对于音频处理,可以考虑批量处理帧而不是逐帧处理
  1. 日志记录改进:
// 使用统一的日志格式和日志级别
qDebug() << "[DEBUG] FunctionName: Message";
qWarning() << "[WARN] FunctionName: Message";
qCritical() << "[ERROR] FunctionName: Message";
  1. 代码结构优化:
  • 考虑将状态检查逻辑抽取为单独的函数
  • 使用枚举代替魔法数字
  • 增加函数文档注释
  1. 安全性改进:
  • 对外部输入进行验证
  • 检查指针有效性后再使用
  • 使用安全的字符串操作函数
  1. 具体修改建议:
// 添加资源清理的RAII包装器
class AVFrameGuard {
    AVFrame* frame;
public:
    AVFrameGuard() : frame(avlibInterface::m_av_frame_alloc()) {}
    ~AVFrameGuard() { if(frame) avlibInterface::m_av_frame_free(&frame); }
    AVFrame* get() { return frame; }
};

// 使用示例
void CAVInputStream::readMicToMixAudioPacket() {
    AVFrameGuard frameGuard;
    if (!frameGuard.get()) {
        return AVERROR(ENOMEM);
    }
    // 使用 frameGuard.get() ...
}

这些改进将使代码更加健壮、安全和可维护。建议逐步实施这些改进,并在每个阶段进行充分的测试。

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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: add-uos, max-lvs

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add-uos commented Dec 24, 2025

/merge

@deepin-bot deepin-bot bot merged commit 0a8cf77 into linuxdeepin:release/eagle Dec 24, 2025
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3 participants