ffmpeg录音录像

ffmpeg录音录像 ffmpeg,ffplay,ffprobe主要用来录音录像播放查看多媒体文件的信息。本文带领大家学习常用命令。常用参数比较多，可以使用ffprobe --help来查看详细的帮助信息

登录后复制

      
      

       
       #region ffmpeg录音录像 ffmpeg,ffplay,ffprobe主要用来录音录像播放查看多媒体文件的信息。本文带领大家学习常用命令。常用参数比较多，可以使用ffprobe --help来查看详细的帮助信息
       
       
        #region ffmpeg 录像
       
       
        Process process = null;
       
       
        private void btnFfmepgStart_Click(object sender, EventArgs e)
       
       
        {
       
       
            #region MyRegion
       
       

       
       
            //System.Diagnostics.Process.Start(@"C:\Users\Administrator\Desktop\Debug\WindowsFormsTestVideo.exe","参数122");
       
       

       
       
            //Process process1 = new Process();
       
       
            //process1.StartInfo = new ProcessStartInfo(@"C:\Users\Administrator\Desktop\Debug\WindowsFormsTestVideo.exe");
       
       
            //process1.StartInfo.Arguments = "参数12277777777777777";
       
       
            //process1.Start();
       
       
            ////process1.WaitForExit(10000);
       
       
            ////process1.Close();
       
       
            //process1.Dispose(); 
       
       
            #endregion
       
       

       
       
            //ProcessStartInfo StartInfo = new ProcessStartInfo(@"C:\Windows\System32\cmd.exe");
       
       
            process = new Process();
       
       
            process.StartInfo = new ProcessStartInfo(@"C:\Windows\System32\cmd.exe");
       
       
            process.StartInfo.CreateNoWindow = true;
       
       
            process.StartInfo.UseShellExecute = false;
       
       
            process.StartInfo.RedirectStandardInput = true;
       
       
            process.StartInfo.RedirectStandardOutput = true;
       
       
            process.StartInfo.RedirectStandardError = true;
       
       
            //process.StartInfo.WorkingDirectory = @"C:\Windows\System32";// AppDomain.CurrentDomain.BaseDirectory;
       
       
            process.StartInfo.WorkingDirectory = AppDomain.CurrentDomain.BaseDirectory;
       
       
            string a = "ffmpeg -rtbufsize 200M -f dshow  -i video=\"USB Camera\" -f dshow -i audio=\"麦克风阵列 (Realtek High Definition Audio)\" -pix_fmt yuv420p   -b:v 300k -r 10 -vcodec libx264 -tune zerolatency -acodec aac -b:a 32k -ar 16000 -af volume=10 -y  \"123.mp4\"";
       
       
            string at = @"ffmpeg -rtbufsize 200M -f dshow  -i video=""USB Camera"" -f dshow -i audio=""麦克风阵列 (Realtek High Definition Audio)"" -pix_fmt yuv420p   -b:v 300k -r 10 -vcodec libx264 -tune zerolatency -acodec aac -b:a 32k -ar 16000 -af volume=10 -y  ""123.mp4""";
       
       
            //Log(a, MessageType.info);
       
       
            //Log(at, MessageType.info);
       
       
            //process.StandardInput.WriteLine(a);
       
       
            process.OutputDataReceived += Process_OutputDataReceived;
       
       
            process.ErrorDataReceived += Process_ErrorDataReceived;
       
       
            //process.StartInfo.Arguments = a;
       
       

       
       
            process.Start();
       
       
            process.BeginErrorReadLine();
       
       
            process.BeginOutputReadLine();
       
       
            a = @"ffmpeg.exe -rtbufsize 200M  -f dshow  -i video=""USB Camera"" -f dshow -i audio=""麦克风阵列 (Realtek High Definition Audio)"" -pix_fmt yuv420p -tune zerolatency -af volume=5 -y 123.mp4";
       
       
            //噪音很大,去掉 -af volume=5，噪音会好很多
       
       
            //-ac 通道 声道 1，2；
       
       
            //-ar 8000 声音的采样率 psp 24000Hz
       
       
            //-ab 音频数据流，一般选择32，64，96，128 44100置成这个参数音频底噪会小，但是音色会有些发闷
       
       
            //-vol音量 放大倍数
       
       
            a = @"ffmpeg.exe -rtbufsize 200M  -f dshow  -i video=""USB Camera"" -f dshow -i audio=""麦克风阵列 (Realtek High Definition Audio)"" -pix_fmt yuv420p -tune zerolatency -ac 1 -ar 8000 -ab 44100 -vol 800 -y 123.mp4";
       
       

       
       
            process.StandardInput.WriteLine(a);
       
       
            //process.StandardInput.WriteLine(at/* + Environment.NewLine*/);
       
       
            //process.StandardInput.WriteLine("\r\n");
       
       
            Log(a, MessageType.info);
       
       
            Log(at, MessageType.info);
       
       
            lblffmepg.ForeColor = Color.Green;
       
       
            lblffmepg.Text = "开始录音录像";
       
       
        }
       
       

       
       
        private void Process_ErrorDataReceived(object sender, DataReceivedEventArgs e)
       
       
        {
       
       
            Log(e.Data, MessageType.error);
       
       
        }
       
       

       
       
        private void Process_OutputDataReceived(object sender, DataReceivedEventArgs e)
       
       
        {
       
       
            Log(e.Data, MessageType.info);
       
       
        }
       
       

       
       
        private void btnFfmpegStop_Click(object sender, EventArgs e)
       
       
        {
       
       
            string a = "q";
       
       
            process.StandardInput.WriteLine(a);
       
       
            process.StandardInput.WriteLine("exit");
       
       
            process.WaitForExit();
       
       
            process.Close();
       
       
            process.Dispose();
       
       
            Process.Start("123.mp4");
       
       

       
       
            lblffmepg.ForeColor = DefaultForeColor;
       
       

       
       
            lblffmepg.Text = null;
       
       
        }
       
       
        #endregion
       
       

       
       
        #region ffplay 播放
       
       
        // ffplay -autoexit ww.mp4
       
       
        #endregion
       
       

       
       
        #region ffprobe 查看信息
       
       
        // ffprobe -show_packets ww.mp4
       
       
        #endregion 
       
       
        #endregion
      
      
      
      

       
       
1.
       
       
2.
       
       
3.
       
       
4.
       
       
5.
       
       
6.
       
       
7.
       
       
8.
       
       
9.
       
       
10.
       
       
11.
       
       
12.
       
       
13.
       
       
14.
       
       
15.
       
       
16.
       
       
17.
       
       
18.
       
       
19.
       
       
20.
       
       
21.
       
       
22.
       
       
23.
       
       
24.
       
       
25.
       
       
26.
       
       
27.
       
       
28.
       
       
29.
       
       
30.
       
       
31.
       
       
32.
       
       
33.
       
       
34.
       
       
35.
       
       
36.
       
       
37.
       
       
38.
       
       
39.
       
       
40.
       
       
41.
       
       
42.
       
       
43.
       
       
44.
       
       
45.
       
       
46.
       
       
47.
       
       
48.
       
       
49.
       
       
50.
       
       
51.
       
       
52.
       
       
53.
       
       
54.
       
       
55.
       
       
56.
       
       
57.
       
       
58.
       
       
59.
       
       
60.
       
       
61.
       
       
62.
       
       
63.
       
       
64.
       
       
65.
       
       
66.
       
       
67.
       
       
68.
       
       
69.
       
       
70.
       
       
71.
       
       
72.
       
       
73.
       
       
74.
       
       
75.
       
       
76.
       
       
77.
       
       
78.
       
       
79.
       
       
80.
       
       
81.
       
       
82.
       
       
83.
       
       
84.
       
       
85.
       
       
86.
       
       
87.
       
       
88.
       
       
89.
       
       
90.
       
       
91.
      
      

 

注意：ffmpeg相关的类库拷贝到运行目录，下载地址​

 

龙腾一族至尊龙骑