C#将国产Linux视频录制生成mp4的具体实现

            //摄像头采集器
            this.cameraCapturer = CapturerFactory.CreateCameraCapturer(cameraIndex, videoSize, frameRate);
            this.cameraCapturer.ImageCaptured += CameraCapturer_ImageCaptured;
            this.cameraCapturer.CaptureError += CameraCapturer_CaptureError;
            //麦克风采集器
            this.microphoneCapturer = CapturerFactory.CreateMicrophoneCapturer(micIndex);
            this.microphoneCapturer.AudioCaptured += MicrophoneCapturer_AudioCaptured;
            this.microphoneCapturer.CaptureError += MicrophoneCapturer_CaptureError;
 
            this.microphoneCapturer.Start();
            this.cameraCapturer.Start();

            this.videoFileMaker = new VideoFileMaker();
            this.videoFileMaker.Initialize("test.mp4", VideoCodecType.H264, videoSize.Width, videoSize.Height, frameRate, VideoQuality.High, AudioCodecType.AAC, audioSampleRate, channelCount, true);

    private void CameraCapturer_ImageCaptured(byte[] obj)
    {
        if (this.isRecording)
        {
            this.videoFileMaker.AddVideoFrame(obj);
        }
    }
 
    private void MicrophoneCapturer_AudioCaptured(byte[] obj)
    {
        if (this.isRecording)
        {
            this.videoFileMaker.AddAudioFrame(obj);
        }
    }

    private void FinishRecorded(object? sender, Avalonia.Interactivity.RoutedEventArgs e)
    {
        this.RecordState_Changed(false);
        this.cameraCapturer?.Stop();
        this.cameraCapturer?.Dispose();
        this.microphoneCapturer?.Stop();
        this.microphoneCapturer?.Dispose();
        this.videoFileMaker?.Close(true);
        MessageBox.Show("录制完成！", this);
    }