本文介绍如何快速地将腾讯云 TRTC SDK（Windows C#）集成到 C# 项目中

https://cloud.tencent.cn/document/product/647/32178

https://github.com/accord-net/framework/releases

Demo示例：推流本地摄像头、麦克风、桌面、声卡　　

https://blog.oraycn.com/NPusher.aspx

using System;
using System.Drawing;
using Accord.Video.FFMPEG;
using Accord.Audio;
using Accord.Audio.Formats;
 
class Program
{
    static void Main(string[] args)
    {
        // 创建视频捕获器，这里以摄像头为例
        var videoCapture = new VideoCaptureDevice(0);
 
        // 创建音频捕获器，这里以麦克风为例
        var waveIn = new WaveIn();
        waveIn.DataAvailable += (sender, stream) =>
        {
            // 这里可以处理音频数据
        };
 
        // 开始捕获视频和音频
        videoCapture.NewFrame += (sender, frame) =>
        {
            // 处理视频帧
        };
 
        waveIn.StartRecording();
        videoCapture.Start();
 
        // 假设用户按下某键或者某个条件满足后，停止捕获
        // ...
 
        waveIn.StopRecording();
        videoCapture.Stop();
 
        // 假设有一个方法将视频帧转换为图像
        // 这里省略帧到图像的转换代码
 
        // 假设videoFrames包含了所有转换后的图像
        var videoFrames = ...;
 
        // 将视频帧和音频数据合成MP4文件
        var outputFile = "output.mp4";
        var audioFormat = new WaveFormat(44100, 16, 2); // 假设waveIn的格式是这个
        var videoEncoder = new AviVideoEncoder(new VideoEncodingOptions()
        {
            FramesPerSecond = 30,
            VideoCodec = VideoCodecs.X264,
            VideoBitrate = 1000,
        });
 
        using (var writer = new MediaWriter(outputFile, videoEncoder, audioFormat))
        {
            foreach (var frame in videoFrames)
            {
                writer.WriteVideoFrame(frame);
            }
 
            // 写入音频数据
            byte[] buffer = waveIn.RecordedBytes;
            writer.WriteAudioFrame(buffer, 0, buffer.Length);
        }
 
        Console.WriteLine("视频和音频合成完成。");
    }
}