C#实现语音视频录制

using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using ESBasic;using Oraycn.MCapture;namespace MCaptureDemo{ /* * 本demo采用的是 语音视频采集组件MCapture 的免费版本。若想获取MCapture其它版本，请联系 www.oraycn.com 。 * */ public partial class Form1 : Form { private ICapturer capturer; public Form1() { InitializeComponent(); this.comboBox1.SelectedIndex = 0; Oraycn.MCapture.GlobalUtil.SetAuthorizedUser("FreeUser", ""); } private void button1_Click(object sender, EventArgs e) { try { //根据选择创建对应的采集器 if (this.comboBox1.SelectedIndex == 0) { this.capturer = CapturerFactory.CreateCameraCapturer(0, new Size(int.Parse(this.textBox_width.Text), int.Parse(this.textBox_height.Text)), 20); ((ICameraCapturer)this.capturer).ImageCaptured = new ESBasic.CbGeneric<Bitmap>(Form1_ImageCaptured); } else if (this.comboBox1.SelectedIndex == 1) { this.capturer = CapturerFactory.CreateDesktopCapturer(20, false); ((IDesktopCapturer)this.capturer).ImageCaptured = new ESBasic.CbGeneric<Bitmap>(Form1_ImageCaptured); } else if (this.comboBox1.SelectedIndex == 2) { this.capturer = CapturerFactory.CreateMicrophoneCapturer(0); ((IMicrophoneCapturer)this.capturer).AudioCaptured = new ESBasic.CbGeneric<byte[]>(Form1_AudioCaptured); } else { this.capturer = CapturerFactory.CreateSoundcardCapturer(); ((ISoundcardCapturer)this.capturer).AudioCaptured = new ESBasic.CbGeneric<byte[]>(Form1_AudioCaptured); } this.button1.Enabled = false; this.button2.Enabled = true; this.comboBox1.Enabled = false; this.autioDataTotalLen = 0; this.label_audioDataTotal.Text = "0"; //开始采集 this.capturer.Start(); } catch (Exception ee) { MessageBox.Show(ee.Message); } } private void button2_Click(object sender, EventArgs e) { //停止采集 this.capturer.Stop(); this.button2.Enabled = false; this.button1.Enabled = true; this.comboBox1.Enabled = true; //清除最后一帧的显示 CbGeneric cb = new CbGeneric(this.AfterStop); cb.BeginInvoke(null, null); } private void AfterStop() { if (this.InvokeRequired) { System.Threading.Thread.Sleep(60); this.BeginInvoke(new CbGeneric(this.AfterStop)); } else { //清除最后一帧的显示 this.pictureBox1.BackgroundImage = null; this.pictureBox1.Invalidate(); } } private int autioDataTotalLen = 0; private int captureAudioCount = 0; void Form1_AudioCaptured(byte[] audioData) //采集到的声音数据 { this.autioDataTotalLen = audioData.Length ; this.captureAudioCount; if (this.captureAudioCount >= 20) { this.captureAudioCount = 0; this.ShowAudioDataTotalLen(this.autioDataTotalLen); } } private void ShowAudioDataTotalLen(int totalLen) { if (this.InvokeRequired) { this.BeginInvoke(new ESBasic.CbGeneric<int>(this.ShowAudioDataTotalLen), totalLen); } else { this.label_audioDataTotal.Text = totalLen.ToString(); } } //采集到的视频或桌面图像 void Form1_ImageCaptured(Bitmap img) { if (this.InvokeRequired) { this.BeginInvoke(new ESBasic.CbGeneric<Bitmap>(this.Form1_ImageCaptured), img); } else { Bitmap old = (Bitmap)this.pictureBox1.BackgroundImage; this.pictureBox1.BackgroundImage = img; if (old != null) { old.Dispose(); //立即释放不再使用的视频帧 } } } private void comboBox1_SelectedIndexChanged(object sender, EventArgs e) { this.panel_camera.Visible = this.comboBox1.SelectedIndex == 0; this.panel_microphone.Visible = this.comboBox1.SelectedIndex == 2 || this.comboBox1.SelectedIndex == 3; } private void Form1_Load(object sender, EventArgs e) { }