/// <summary>
/// 关闭麦克风，释放资源
/// </summary>
public void CloseMircoPhone()
{
if (microphoneCapturer != null)
{
microphoneCapturer.Stop();
microphoneCapturer.Dispose();
microphoneCapturer = null;
}
if (videoFileMaker != null)
{
videoFileMaker.Close(true);
videoFileMaker.Dispose();
videoFileMaker = null;
}
}
/// <summary>
/// 初始化声音收集器
/// </summary>
/// <param name="outFileName">输出MP3文件名</param>
/// <param name="microphoneIndex">第几个麦克风，默认为第一个（0）</param>
public void InitialCapturer(string outFileName, int microphoneIndex = 0)
{
microphoneCapturer = CapturerFactory.CreateMicrophoneCapturer(microphoneIndex);
microphoneCapturer.AudioCaptured += new ESBasic.CbGeneric <byte[]>(
delegate(byte[] audioData)
{
//收集数据
videoFileMaker.AddAudioFrame(audioData);
}
);
// audioPlayer = PlayerFactory.CreateAudioPlayer(0, 16000, 1, 16, 2);
if (videoFileMaker == null)
{
videoFileMaker = new AudioFileMaker();
Console.WriteLine(outFileName);
videoFileMaker.Initialize(outFileName, 16000, 1);//初始化
}
}
private void button_Start_Click(object sender, RoutedEventArgs e)
{
//TODO 开始录制桌面，依据 声音复选框 来选择使用 声卡 麦克风 还是混合录制
//TODO label 中显示实际录制的时间，需要考虑暂停和恢复这种情况。 格式为 hh:mm:ss
if (string.IsNullOrEmpty(this.filePath.Text) || string.IsNullOrEmpty(this.fileNmae.Text))
{
MessageBox.Show("文件路径和文件名！");
return;
}
else if (File.Exists(System.IO.Path.Combine(this.filePath.Text, this.fileNmae.Text)))
{
MessageBox.Show("文件已经存在");
return;
}
try
{
int audioSampleRate = 16000;
int channelCount = 1;
seconds = 0;
System.Drawing.Size videoSize = Screen.PrimaryScreen.Bounds.Size;
this.justRecordAudio = this.radioButton_justAudio.IsChecked.Value;
if (this.justRecordAudio && this.checkBox_micro.IsChecked == false && this.checkBox_soundCard.IsChecked == false)
{
MessageBox.Show("一定要选择一个声音的采集源！");
return;
}
#region 设置采集器
if (this.radioButton_desktop.IsChecked == true)
{
//桌面采集器
//如果需要录制鼠标的操作，第二个参数请设置为true
this.desktopCapturer = CapturerFactory.CreateDesktopCapturer(frameRate, false);
this.desktopCapturer.ImageCaptured += ImageCaptured;
videoSize = this.desktopCapturer.VideoSize;
}
else if (this.radioButton_camera.IsChecked == true)
{
//摄像头采集器
videoSize = new System.Drawing.Size(int.Parse(this.textBox_width.Text), int.Parse(this.textBox_height.Text));
this.cameraCapturer = CapturerFactory.CreateCameraCapturer(0, videoSize, frameRate);
this.cameraCapturer.ImageCaptured += new CbGeneric <Bitmap>(ImageCaptured);
}
if (this.checkBox_micro.IsChecked == true)
{
//麦克风采集器
this.microphoneCapturer = CapturerFactory.CreateMicrophoneCapturer(0);
this.microphoneCapturer.CaptureError += capturer_CaptureError;
}
if (this.checkBox_soundCard.IsChecked == true)
{
//声卡采集器 【目前声卡采集仅支持vista以及以上系统】
this.soundcardCapturer = CapturerFactory.CreateSoundcardCapturer();
this.soundcardCapturer.CaptureError += capturer_CaptureError;
audioSampleRate = this.soundcardCapturer.SampleRate;
channelCount = this.soundcardCapturer.ChannelCount;
}
if (this.checkBox_micro.IsChecked == true && this.checkBox_soundCard.IsChecked == true)
{
//混音器
this.audioMixter = CapturerFactory.CreateAudioMixter(this.microphoneCapturer, this.soundcardCapturer, SoundcardMode4Mix.DoubleChannel, true);
this.audioMixter.AudioMixed += audioMixter_AudioMixed; //如果是混音,则不再需要预订microphoneCapturer和soundcardCapturer的AudioCaptured事件
audioSampleRate = this.audioMixter.SampleRate;
channelCount = this.audioMixter.ChannelCount;
}
else if (this.checkBox_micro.IsChecked == true)
{
this.microphoneCapturer.AudioCaptured += audioMixter_AudioMixed;
}
else if (this.checkBox_soundCard.IsChecked == true)
{
this.soundcardCapturer.AudioCaptured += audioMixter_AudioMixed;
}
#endregion
#region 开始采集
if (this.checkBox_micro.IsChecked == true)
{
this.microphoneCapturer.Start();
}
if (this.checkBox_soundCard.IsChecked == true)
{
this.soundcardCapturer.Start();
}
if (this.radioButton_camera.IsChecked == true)
{
this.cameraCapturer.Start();
}
else if (this.radioButton_desktop.IsChecked == true)
{
this.desktopCapturer.Start();
}
#endregion
#region 录制组件
if (this.justRecordAudio) //仅仅录制声音
{
this.audioFileMaker = new AudioFileMaker();
this.audioFileMaker.Initialize("test.mp3", audioSampleRate, channelCount);
}
else
{
//宽和高修正为4的倍数
this.sizeRevised = (videoSize.Width % 4 != 0) || (videoSize.Height % 4 != 0);
if (this.sizeRevised)
{
videoSize = new System.Drawing.Size(videoSize.Width / 4 * 4, videoSize.Height / 4 * 4);
}
if (this.checkBox_micro.IsChecked == false && this.checkBox_soundCard.IsChecked == false) //仅仅录制图像
{
this.justRecordVideo = true;
this.silenceVideoFileMaker = new SilenceVideoFileMaker();
this.silenceVideoFileMaker.Initialize(System.IO.Path.Combine(this.filePath.Text, this.fileNmae.Text) + ".mp4", VideoCodecType.H264, videoSize.Width, videoSize.Height, frameRate, VideoQuality.Middle);
}
else //录制声音+图像
{
this.justRecordVideo = false;
this.videoFileMaker = new VideoFileMaker();
this.videoFileMaker.Initialize(System.IO.Path.Combine(this.filePath.Text, this.fileNmae.Text) + ".mp4", VideoCodecType.H264, videoSize.Width, videoSize.Height, frameRate, VideoQuality.High, AudioCodecType.AAC, audioSampleRate, channelCount, true);
}
}
#endregion
this.isRecording = true;
this.isParsing = false;
this.timer.Start();
this.checkBox_micro.IsEnabled = false;
this.checkBox_soundCard.IsEnabled = false;
this.radioButton_desktop.IsEnabled = false;
this.radioButton_camera.IsEnabled = false;
this.radioButton_justAudio.IsEnabled = false;
this.button_Start.IsEnabled = false;
}
catch (Exception ee)
{
MessageBox.Show(ee.Message);
}
}
