ffmpeg-f gdigrab-framerate30-i desktop-f dshow-i audio="麦克风设备名称"output.mp4 这个命令中的麦克风设备名称应该替换为实际连接到计算机的麦克风设备的名称。例如,如果你的麦克风设备名为”Microphone”,那么命令就是这样: ffmpeg-f gdigrab-framerate30-i desktop-f dshow-i audio="Microphone"output.mp4 这...
voidMainWindow::on_audioButton_clicked(){//进行音频录制操作} 5、编码实现 #include<QDebug>#include<QFile>#include<QDateTime>#include<thread>//输入格式#defineINPUT_FMT "avfoundation"//设备名字#defineDEVICE_NAME ":0"//输出文件名字#defineOUTPUT_FILE_NAME "/Users/你的电脑用户名/Desktop/output....
std::cout << "Audio recording completed." << std::endl; } else { std::cout << "Audio recording failed." << std::endl; } return 0; } 然后终端进入到该程序目录,使用Clang编译器进行编译: clang++ -o audio_recording record_audio.cpp 生成一个名为audio_recording的可执行文件,运行可执行文件...
is_record=false; if(is_abnormal){ qDebug()<<"线程异常结束"; } }); qDebug()<<"开始录制"; ui->pushButton->setText("结束录制"); is_record=true; }else{ is_abnormal=false; audio_thread->requestInterruption(); audio_thread->wait(); audio_thread=nullptr; qDebug()<<"结束录制"; ui-...
class AudioRecordWavThread : public QThread { Q_OBJECT private: void run(); bool _stop = false; public: explicit AudioRecordWavThread(QObject *parent = nullptr); ~AudioRecordWavThread(); void setStop(bool stop); signals: void timeChanged(unsigned long long ms); ...
ffmpeg -f gdigrab -r 60 -i desktop -s 1920x1080 output.mp4 录制麦克风音频,存放到默认目录。 ffmpeg -f dshow -i audio="麦克风阵列 (适用于数字麦克风的英特尔® 智音技术)" output.wav 录制摄像头 30帧,并且存放到d盘中的videos文件夹中(要保证有访问和修改目标文件夹的权限)。
DWORD WINAPI AudioCapThreadProc( LPVOID lpParam ); int OpenVideoCapture() { AVInputFormat *ifmt=av_find_input_format("gdigrab"); AVDictionary *options = NULL; av_dict_set(&options, "framerate", "60", NULL); if(avformat_open_input(&pFormatCtx_Video, "desktop", ifmt, &options)!=0) ...
ffmpeg -f gdigrab -framerate 30 -i desktop -c:v libx264 -preset ultrafast -tune:v zerolatency -b:v 900k -f flv rtmp://your-streaming-server/your-stream-key 该命令将使用gdigrab输入设备来捕获你的屏幕,然后使用libx264编码器将屏幕内容编码为H.264格式。接下来,它将以每秒30帧的速度将数据推送...
startInfo.Arguments="-f gdigrab -framerate 15 -i desktop -f dshow -i audio=\""+ audioDevice +"\" -vcodec libx264 -preset:v ultrafast -tune:v zerolatency -acodec libmp3lame \""+ outFilePath +"\""; p.StartInfo=startInfo; p.Start(); ...
['allow_record']:#Setup for recording windows desktop to mp4 fileprocess=(ffmpeg.input(format='gdigrab',framerate=fps,offset_x=0,offset_y=0,filename='desktop',s='{width}x{height}'.format(width=width,height=height)).output(filename=self.taskParam['fileName'],pix_fmt='yuv420p')....