DirectShowNet 使用摄像头录像+录音
http://www.cnblogs.com/endv/p/6052511.html
// ------------------------------------------------------------------
// CaptureTest.cs
// Sample application to show the DirectX.Capture class library.
//
// History:
// 2003-Jan-25 BL - created
//
// Copyright (c) 2003 Brian Low
// ------------------------------------------------------------------ using DirectShowLib;
using DirectX.Capture;
using System;
using System.Diagnostics;
using System.Drawing;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms; namespace CaptureTest
{
public class CaptureTest : System.Windows.Forms.Form
{
/// <summary>
/// 应用程序的主要入口点
/// </summary>
[STAThread]
static void Main()
{
AppDomain currentDomain = AppDomain.CurrentDomain;
Application.Run(new CaptureTest());
GC.Collect();
GC.WaitForPendingFinalizers();
} // kernel32.dll是Windows9x/Me中非常重要的32位动态链接库文件，属于内核级文件。它控制着系统的内存管理、数据的输入输出操作和中断处理，
// 当Windows启动时，kernel32.dll就驻留在内存中特定的写保护区域，使别的程序无法占用这个内存区域
[DllImport("kernel32.dll")]
static extern uint GetPrivateProfileString(string lpAppName, string lpKeyName, string lpDefault, StringBuilder lpReturnedString, uint nSize, string lpFileName); [DllImport("kernel32.dll")]
static extern uint WritePrivateProfileString(string lpAppName, string lpKeyName, string lpString, string lpFileName); const int WM_GRAPHNOTIFY = 0x8000 + ;
private long iDroppedBefore = ;
private DateTime dtBefore;
private IMediaEventEx mediaEvent = null;
private int CaptureResult;
private 捕获 capture = null;
private Filters filters = new Filters();
private Size m_FrameSize; // Reading the value from capture.Framesize derenders the graph public CaptureTest()
{
InitializeComponent(); // 所需的窗体设计器支持 LoadDevices();//负载设备 if (capture != null)
{
LoadDeviceSettings();//加载设备设置
LoadCompressors();//加载压缩机
} // 更新主菜单中的许多有趣的工作，这个示例发生在这里
try { updateMenu(); } catch { } // 由于压缩机设置不在菜单上，不需要再做 updatemenu 。
// 已后要做的 updatemenu 由于其中一个调用重置这些。 if (capture != null)
{
LoadCompressorSettings();//加载压缩机设置
}
} #region 加载
//加载设备
protected void LoadDevices()
{
int x;
int iVideoDeviceIndex = -;
int iAudioDeviceIndex = -;
StringBuilder sbOut = new StringBuilder(); string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; GetPrivateProfileString("Devices", "VideoDevice", "", sbOut, , sConfigFile); if (sbOut.Length > )
{
for (x = ; x < filters.VideoInputDevices.Count; x++)
{
if (filters.VideoInputDevices[x].Name == sbOut.ToString())
{
iVideoDeviceIndex = x;
break;
}
}
} GetPrivateProfileString("Devices", "AudioDevice", "", sbOut, , sConfigFile); if (sbOut.Length > )
{
for (x = ; x < filters.AudioInputDevices.Count; x++)
{
if (filters.AudioInputDevices[x].Name == sbOut.ToString())
{
iAudioDeviceIndex = x;
break;
}
}
} if ((iVideoDeviceIndex >= ) || (iAudioDeviceIndex >= ))
{
Filter i, j; if (iVideoDeviceIndex >= )
i = filters.VideoInputDevices[iVideoDeviceIndex];
else
i = null; if (iAudioDeviceIndex >= )
j = filters.AudioInputDevices[iAudioDeviceIndex];
else
j = null; capture = new 捕获(i, j); capture.CaptureComplete += new EventHandler(OnCaptureComplete); if (iVideoDeviceIndex >= )
{
GetPrivateProfileString("Devices", "VideoSource", "", sbOut, , sConfigFile); for (x = ; x < capture.VideoSources.Count; x++)
{
if (capture.VideoSources[x].Name == sbOut.ToString())
{
capture.VideoSource = capture.VideoSources[x];
break;
}
}
} if (iAudioDeviceIndex >= )
{
GetPrivateProfileString("Devices", "AudioSource", "", sbOut, , sConfigFile); for (x = ; x < capture.AudioSources.Count; x++)
{
if (capture.AudioSources[x].Name == sbOut.ToString())
{
capture.AudioSource = capture.AudioSources[x];
break;
}
}
}
}
} //加载设备设置
protected void LoadDeviceSettings()
{
StringBuilder sbOut = new StringBuilder();
string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; if (capture.VideoDevice != null)
{
GetPrivateProfileString("DeviceSettings", "FrameRate", "", sbOut, , sConfigFile);
if (sbOut.Length > )
capture.FrameRate = Convert.ToDouble(sbOut.ToString()); GetPrivateProfileString("DeviceSettings", "VideoWidth", "", sbOut, , sConfigFile);
if (sbOut.Length > )
{
Size size = new Size(Convert.ToInt32(sbOut.ToString()), ); GetPrivateProfileString("DeviceSettings", "VideoHeight", "", sbOut, , sConfigFile);
if (sbOut.Length > )
{
size.Height = Convert.ToInt32(sbOut.ToString());
capture.FrameSize = size;
}
}
} if (capture.AudioDevice != null)
{
GetPrivateProfileString("DeviceSettings", "AudioChannel", "", sbOut, , sConfigFile);
if (sbOut.Length > )
{
capture.AudioChannels = Convert.ToInt16(sbOut.ToString());
} GetPrivateProfileString("DeviceSettings", "AudioRate", "", sbOut, , sConfigFile);
if (sbOut.Length > )
{
capture.AudioSamplingRate = Convert.ToInt32(sbOut.ToString());
} GetPrivateProfileString("DeviceSettings", "AudioSize", "", sbOut, , sConfigFile);
if (sbOut.Length > )
{
capture.AudioSampleSize = Convert.ToInt16(sbOut.ToString());
} GetPrivateProfileString("DeviceSettings", "AudioChannel", "", sbOut, , sConfigFile);
if (sbOut.Length > )
{
capture.AudioChannels = Convert.ToInt16(sbOut.ToString());
}
} }
//加载压缩机
protected void LoadCompressors()
{
int x;
StringBuilder sbOut = new StringBuilder();
string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; if (capture.VideoDevice != null)
{
GetPrivateProfileString("Compressor", "VideoCompressor", "", sbOut, , sConfigFile); if (sbOut.Length > )
{
for (x = ; x < filters.VideoCompressors.Count; x++)
{
if (filters.VideoCompressors[x].Name == sbOut.ToString())
{
capture.VideoCompressor = filters.VideoCompressors[x];
break;
}
}
}
} if (capture.AudioDevice != null)
{
GetPrivateProfileString("Compressor", "AudioCompressor", "", sbOut, , sConfigFile); for (x = ; x < filters.AudioCompressors.Count; x++)
{
if (filters.AudioCompressors[x].Name == sbOut.ToString())
{
capture.AudioCompressor = filters.AudioCompressors[x];
break;
}
}
}
}
//加载压缩机设置
protected void LoadCompressorSettings()
{
StringBuilder sbOut = new StringBuilder();
string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; if (capture.VideoCompressor != null)
{
try
{
VideoCompressorCaps i = capture.VideoCompressorCaps; GetPrivateProfileString("Compressor", "KeyFrameRate", "", sbOut, , sConfigFile);
if (sbOut.Length > )
i.KeyFrameRate = Convert.ToInt32(sbOut.ToString()); GetPrivateProfileString("Compressor", "PFrames", "", sbOut, , sConfigFile);
if (sbOut.Length > )
i.PFramesPerKeyFrame = Convert.ToInt32(sbOut.ToString()); GetPrivateProfileString("Compressor", "WindowSize", "", sbOut, , sConfigFile);
if (sbOut.Length > )
i.WindowSize = Convert.ToInt64(sbOut.ToString()); GetPrivateProfileString("Compressor", "Quality", "", sbOut, , sConfigFile);
if (sbOut.Length > )
i.Quality = Convert.ToInt32(sbOut.ToString());
}
catch { }
}
} //保存默认设置 "\\..\\Config.ini"
protected void SaveDefaults()
{
string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; if (capture != null)
{
if (capture.VideoDevice != null)
{
WritePrivateProfileString("Devices", "VideoDevice", capture.VideoDevice.Name, sConfigFile);
WritePrivateProfileString("DeviceSettings", "FrameRate", capture.FrameRate.ToString(), sConfigFile);
WritePrivateProfileString("DeviceSettings", "VideoWidth", capture.FrameSize.Width.ToString(), sConfigFile);
WritePrivateProfileString("DeviceSettings", "VideoHeight", capture.FrameSize.Height.ToString(), sConfigFile);
}
else
{
WritePrivateProfileString("Devices", "VideoDevice", "", sConfigFile);
WritePrivateProfileString("DeviceSettings", "FrameRate", "", sConfigFile);
WritePrivateProfileString("DeviceSettings", "VideoWidth", "", sConfigFile);
WritePrivateProfileString("DeviceSettings", "VideoHeight", "", sConfigFile);
}
if (capture.AudioDevice != null)
{
WritePrivateProfileString("Devices", "AudioDevice", capture.AudioDevice.Name, sConfigFile);
WritePrivateProfileString("DeviceSettings", "AudioChannel", capture.AudioChannels.ToString(), sConfigFile);
WritePrivateProfileString("DeviceSettings", "AudioRate", capture.AudioSamplingRate.ToString(), sConfigFile);
WritePrivateProfileString("DeviceSettings", "AudioSize", capture.AudioSampleSize.ToString(), sConfigFile);
}
else
{
WritePrivateProfileString("Devices", "AudioDevice", "", sConfigFile);
WritePrivateProfileString("DeviceSettings", "AudioChannel", "", sConfigFile);
WritePrivateProfileString("DeviceSettings", "AudioRate", "", sConfigFile);
WritePrivateProfileString("DeviceSettings", "AudioSize", "", sConfigFile);
}
if (capture.VideoCompressor != null)
{
WritePrivateProfileString("Compressor", "VideoCompressor", capture.VideoCompressor.Name, sConfigFile); CompressionCaps i = CompressionCaps.None; try
{
i = capture.VideoCompressorCaps.GetCaps;
}
catch { } if ((i & CompressionCaps.CanKeyFrame) > )
WritePrivateProfileString("Compressor", "KeyFrameRate", capture.VideoCompressorCaps.KeyFrameRate.ToString(), sConfigFile); if ((i & CompressionCaps.CanBFrame) > )
WritePrivateProfileString("Compressor", "PFrames", capture.VideoCompressorCaps.PFramesPerKeyFrame.ToString(), sConfigFile); if ((i & CompressionCaps.CanWindow) > )
WritePrivateProfileString("Compressor", "WindowSize", capture.VideoCompressorCaps.WindowSize.ToString(), sConfigFile); if ((i & CompressionCaps.CanQuality) > )
WritePrivateProfileString("Compressor", "Quality", capture.VideoCompressorCaps.Quality.ToString(), sConfigFile); }
else
{
WritePrivateProfileString("Compressor", "VideoCompressor", "", sConfigFile);
WritePrivateProfileString("Compressor", "KeyFrameRate", "", sConfigFile);
WritePrivateProfileString("Compressor", "PFrames", "", sConfigFile);
WritePrivateProfileString("Compressor", "WindowSize", "", sConfigFile);
WritePrivateProfileString("Compressor", "Quality", "", sConfigFile);
}
if (capture.AudioCompressor != null)
{
WritePrivateProfileString("Compressor", "AudioCompressor", capture.AudioCompressor.Name, sConfigFile);
}
else
{
WritePrivateProfileString("Compressor", "AudioCompressor", "", sConfigFile);
}
if (capture.VideoSource != null)
{
WritePrivateProfileString("Devices", "VideoSource", capture.VideoSource.Name, sConfigFile);
}
else
{
WritePrivateProfileString("Devices", "VideoSource", "", sConfigFile);
}
if (capture.AudioSource != null)
{
WritePrivateProfileString("Devices", "AudioSource", capture.AudioSource.Name, sConfigFile);
}
else
{
WritePrivateProfileString("Devices", "AudioSource", "", sConfigFile);
} #if DEBUG
foreach (PropertyPage p in capture.PropertyPages)
{
if (p.SupportsPersisting)
{
// Doesn't seem to work right
Debug.WriteLine(p.Name);
}
}
#endif
}
} //更新主菜单中的许多有趣的工作，这个示例发生在这里
private void updateMenu()
{
MenuItem m;
Filter f;
Source s;
Source current;//当前
PropertyPage p;
Control oldPreviewWindow = null; // 正确的长宽比 Correct aspect ratio
if ((capture != null) && (capture.VideoDevice != null))
{
//帧大小
m_FrameSize = capture.FrameSize;
VideoWindowResize();
} // Give our window handle to the NotifyWindow so we'll get called about
// events of interest
if (capture != null)
{
mediaEvent = capture.MediaEventEx;
int hr = mediaEvent.SetNotifyWindow(this.Handle, WM_GRAPHNOTIFY, IntPtr.Zero);
} btnCue.Enabled = capture != null;
btnStart.Enabled = capture != null; // Disable preview to avoid additional flashes (optional)
if (capture != null)
{
oldPreviewWindow = capture.PreviewWindow;
capture.PreviewWindow = null;
} // Load video devices
Filter videoDevice = null;
if (capture != null)
videoDevice = capture.VideoDevice;
mnuVideoDevices.MenuItems.Clear();
m = new MenuItem("(None)", new EventHandler(mnuVideoDevices_Click));
m.Checked = (videoDevice == null);
mnuVideoDevices.MenuItems.Add(m);
for (int c = ; c < filters.VideoInputDevices.Count; c++)
{
f = filters.VideoInputDevices[c];
m = new MenuItem(f.Name, new EventHandler(mnuVideoDevices_Click));
m.Checked = (videoDevice == f);
mnuVideoDevices.MenuItems.Add(m);
}
mnuVideoDevices.Enabled = (filters.VideoInputDevices.Count > ); // Load audio devices
Filter audioDevice = null;
if (capture != null)
audioDevice = capture.AudioDevice;
mnuAudioDevices.MenuItems.Clear();
m = new MenuItem("(None)", new EventHandler(mnuAudioDevices_Click));
m.Checked = (audioDevice == null);
mnuAudioDevices.MenuItems.Add(m);
for (int c = ; c < filters.AudioInputDevices.Count; c++)
{
f = filters.AudioInputDevices[c];
m = new MenuItem(f.Name, new EventHandler(mnuAudioDevices_Click));
m.Checked = (audioDevice == f);
mnuAudioDevices.MenuItems.Add(m);
}
mnuAudioDevices.Enabled = (filters.AudioInputDevices.Count > ); // Load video compressors
try
{
mnuVideoCompressors.MenuItems.Clear();
m = new MenuItem("(None)", new EventHandler(mnuVideoCompressors_Click));
m.Checked = (capture.VideoCompressor == null);
mnuVideoCompressors.MenuItems.Add(m);
for (int c = ; c < filters.VideoCompressors.Count; c++)
{
f = filters.VideoCompressors[c];
m = new MenuItem(f.Name, new EventHandler(mnuVideoCompressors_Click));
m.Checked = (capture.VideoCompressor == f);
mnuVideoCompressors.MenuItems.Add(m);
}
mnuVideoCompressors.Enabled = ((capture.VideoDevice != null) && (filters.VideoCompressors.Count > ));
}
catch { mnuVideoCompressors.Enabled = false; } try
{
// Only enable the video compression menu option if the compressor
// supports at least one setting 如果选择菜单视频压缩压缩至少一个端口设置。允许
mnuCompressionProps.Enabled = (capture.VideoCompressorCaps.GetCaps &
(CompressionCaps.CanBFrame |
CompressionCaps.CanKeyFrame |
CompressionCaps.CanQuality |
CompressionCaps.CanWindow)) > ;
}
catch
{
mnuCompressionProps.Enabled = false;
} // Load audio 压缩机(compressors)
try
{
mnuAudioCompressors.MenuItems.Clear();
m = new MenuItem("(None)", new EventHandler(mnuAudioCompressors_Click));
m.Checked = (capture.AudioCompressor == null);
mnuAudioCompressors.MenuItems.Add(m);
for (int c = ; c < filters.AudioCompressors.Count; c++)
{
f = filters.AudioCompressors[c];
m = new MenuItem(f.Name, new EventHandler(mnuAudioCompressors_Click));
m.Checked = (capture.AudioCompressor == f);
mnuAudioCompressors.MenuItems.Add(m);
}
mnuAudioCompressors.Enabled = ((capture.AudioDevice != null) && (filters.AudioCompressors.Count > ));
}
catch { mnuAudioCompressors.Enabled = false; } // Load video sources
try
{
mnuVideoSources.MenuItems.Clear();
current = capture.VideoSource;
for (int c = ; c < capture.VideoSources.Count; c++)
{
s = capture.VideoSources[c];
m = new MenuItem(s.Name, new EventHandler(mnuVideoSources_Click));
m.Checked = (current == s);
mnuVideoSources.MenuItems.Add(m);
}
mnuVideoSources.Enabled = (capture.VideoSources.Count > );
}
catch { mnuVideoSources.Enabled = false; } // Load audio sources
try
{
mnuAudioSources.MenuItems.Clear();
current = capture.AudioSource;
for (int c = ; c < capture.AudioSources.Count; c++)
{
s = capture.AudioSources[c];
m = new MenuItem(s.Name, new EventHandler(mnuAudioSources_Click));
m.Checked = (current == s);
mnuAudioSources.MenuItems.Add(m);
}
mnuAudioSources.Enabled = (capture.AudioSources.Count > );
}
catch { mnuAudioSources.Enabled = false; } // Load frame rates
try
{
mnuFrameRates.MenuItems.Clear();
int frameRate = (int)(capture.FrameRate * );
m = new MenuItem("15 fps", new EventHandler(mnuFrameRates_Click));
m.Checked = (frameRate == );
mnuFrameRates.MenuItems.Add(m);
m = new MenuItem("24 fps (Film)", new EventHandler(mnuFrameRates_Click));
m.Checked = (frameRate == );
mnuFrameRates.MenuItems.Add(m);
m = new MenuItem("25 fps (PAL)", new EventHandler(mnuFrameRates_Click));
m.Checked = (frameRate == );
mnuFrameRates.MenuItems.Add(m);
m = new MenuItem("29.997 fps (NTSC)", new EventHandler(mnuFrameRates_Click));
m.Checked = (frameRate == ) || (frameRate == );
mnuFrameRates.MenuItems.Add(m);
m = new MenuItem("30 fps (~NTSC)", new EventHandler(mnuFrameRates_Click));
m.Checked = (frameRate == );
mnuFrameRates.MenuItems.Add(m);
m = new MenuItem("59.994 fps (2xNTSC)", new EventHandler(mnuFrameRates_Click));
m.Checked = (frameRate == );
mnuFrameRates.MenuItems.Add(m);
mnuFrameRates.Enabled = true;
}
catch { mnuFrameRates.Enabled = false; } // Load frame sizes
try
{
mnuFrameSizes.MenuItems.Clear();
Size frameSize = capture.FrameSize;
m = new MenuItem("160 x 120", new EventHandler(mnuFrameSizes_Click));
m.Checked = (frameSize == new Size(, ));
mnuFrameSizes.MenuItems.Add(m);
m = new MenuItem("320 x 240", new EventHandler(mnuFrameSizes_Click));
m.Checked = (frameSize == new Size(, ));
mnuFrameSizes.MenuItems.Add(m);
m = new MenuItem("640 x 480", new EventHandler(mnuFrameSizes_Click));
m.Checked = (frameSize == new Size(, ));
mnuFrameSizes.MenuItems.Add(m);
m = new MenuItem("1024 x 768", new EventHandler(mnuFrameSizes_Click));
m.Checked = (frameSize == new Size(, ));
mnuFrameSizes.MenuItems.Add(m);
mnuFrameSizes.Enabled = true;
}
catch { mnuFrameSizes.Enabled = false; } // Load audio channels
try
{
mnuAudioChannels.MenuItems.Clear();
short audioChannels = capture.AudioChannels;
m = new MenuItem("单声道 Mono", new EventHandler(mnuAudioChannels_Click));
m.Checked = (audioChannels == );
mnuAudioChannels.MenuItems.Add(m);
m = new MenuItem("立体声 Stereo", new EventHandler(mnuAudioChannels_Click));
m.Checked = (audioChannels == );
mnuAudioChannels.MenuItems.Add(m);
mnuAudioChannels.Enabled = true;
}
catch { mnuAudioChannels.Enabled = false; } // Load音频采样率 Load audio sampling rate
try
{
mnuAudioSamplingRate.MenuItems.Clear();
int samplingRate = capture.AudioSamplingRate;
m = new MenuItem("8 kHz", new EventHandler(mnuAudioSamplingRate_Click));
m.Checked = (samplingRate == );
mnuAudioSamplingRate.MenuItems.Add(m);
m = new MenuItem("11.025 kHz", new EventHandler(mnuAudioSamplingRate_Click));
m.Checked = (capture.AudioSamplingRate == );
mnuAudioSamplingRate.MenuItems.Add(m);
m = new MenuItem("22.05 kHz", new EventHandler(mnuAudioSamplingRate_Click));
m.Checked = (capture.AudioSamplingRate == );
mnuAudioSamplingRate.MenuItems.Add(m);
m = new MenuItem("44.1 kHz", new EventHandler(mnuAudioSamplingRate_Click));
m.Checked = (capture.AudioSamplingRate == );
mnuAudioSamplingRate.MenuItems.Add(m);
mnuAudioSamplingRate.Enabled = true;
}
catch { mnuAudioSamplingRate.Enabled = false; } // 加载音频样本大小 Load audio sample sizes
try
{
mnuAudioSampleSizes.MenuItems.Clear();
short sampleSize = capture.AudioSampleSize;
m = new MenuItem("8 bit", new EventHandler(mnuAudioSampleSizes_Click));
m.Checked = (sampleSize == );
mnuAudioSampleSizes.MenuItems.Add(m);
m = new MenuItem("16 bit", new EventHandler(mnuAudioSampleSizes_Click));
m.Checked = (sampleSize == );
mnuAudioSampleSizes.MenuItems.Add(m);
mnuAudioSampleSizes.Enabled = true;
}
catch { mnuAudioSampleSizes.Enabled = false; } // 加载属性页 Load property pages
try
{
mnuPropertyPages.MenuItems.Clear();
for (int c = ; c < capture.PropertyPages.Count; c++)
{
p = capture.PropertyPages[c];
m = new MenuItem(p.Name + "...", new EventHandler(mnuPropertyPages_Click));
mnuPropertyPages.MenuItems.Add(m);
}
mnuPropertyPages.Enabled = (capture.PropertyPages.Count > );
}
catch { mnuPropertyPages.Enabled = false; } // Load TV Tuner channels
try
{
mnuChannel.MenuItems.Clear();
int channel = capture.Tuner.Channel;
for (int c = ; c <= ; c++)
{
m = new MenuItem(c.ToString(), new EventHandler(mnuChannel_Click));
m.Checked = (channel == c);
mnuChannel.MenuItems.Add(m);
}
mnuChannel.Enabled = true;
}
catch { mnuChannel.Enabled = false; } // Load TV Tuner input types
try
{
mnuInputType.MenuItems.Clear();
m = new MenuItem(DirectX.Capture.TunerInputType.Cable.ToString(), new EventHandler(mnuInputType_Click));
m.Checked = (capture.Tuner.InputType == DirectX.Capture.TunerInputType.Cable);
mnuInputType.MenuItems.Add(m);
m = new MenuItem(DirectX.Capture.TunerInputType.Antenna.ToString(), new EventHandler(mnuInputType_Click));
m.Checked = (capture.Tuner.InputType == DirectX.Capture.TunerInputType.Antenna);
mnuInputType.MenuItems.Add(m);
mnuInputType.Enabled = true;
}
catch { mnuInputType.Enabled = false; } // Enable/disable caps
mnuVideoCaps.Enabled = ((capture != null) && (capture.VideoCaps != null));
mnuAudioCaps.Enabled = ((capture != null) && (capture.AudioCaps != null)); // Check Preview menu option
mnuPreview.Checked = (oldPreviewWindow != null);
mnuPreview.Enabled = (capture != null); // Reenable preview if it was enabled before
if (capture != null)
capture.PreviewWindow = oldPreviewWindow;
}
#endregion 加载 #region 方法 private void Stop()
{
try
{
ShowDropped();
capture.Stop();
btnCue.Enabled = true;
btnStart.Enabled = true;
btnStop.Enabled = false;
txtFilename.Enabled = true;
btnStart.Select();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void VideoWindowResize()
{
if ((capture != null) && (m_FrameSize.Width > ))
{
Size ns; int iMaxHeight = Math.Min(m_FrameSize.Height, groupBox1.Height - ); //不要践踏我们的分组框的边界 Don't trample the borders
int iMaxWidth = Math.Min(m_FrameSize.Width, groupBox1.Width - ); // of our GroupBox int t2 = (iMaxWidth * m_FrameSize.Height) / m_FrameSize.Width; // Which proportion do we need to limit?
if (t2 > iMaxHeight)
{
int t1 = (iMaxHeight * m_FrameSize.Width) / m_FrameSize.Height;
ns = new Size(t1, iMaxHeight);
}
else
{
ns = new Size(iMaxWidth, t2);
}
panelVideo.Size = ns;
}
} // 更新 捕获/下降/时间字段的查询捕获装置
//Update the Capture/Dropped/Duration fields by quering the capture device
private void ShowDropped()
{
TimeSpan duDuration;
long iCurDropped = capture.DroppedVideoFrames;
long iCaptured = capture.CapturedVideoFrames; if (iCurDropped >= )
txtDroppedFrames.Text = (iCurDropped - iDroppedBefore).ToString(); if (iCaptured > )
txtCapturedFrames.Text = iCaptured.ToString(); duDuration = DateTime.Now - dtBefore;
txtDuration.Text = duDuration.ToString();
} #endregion 方法 #region 菜单事件 private void mnuVideoDevices_Click(object sender, System.EventArgs e)
{
try
{
// 由于视频和音频设备只能通过创建一个新的捕获对象来改变，因此获取当前的设备和处理捕获对象。
// Get current devices and dispose of capture object
// because the video and audio device can only be changed
// by creating a new Capture object.
Filter videoDevice = null;
Filter audioDevice = null;
if (capture != null)
{
videoDevice = capture.VideoDevice;
audioDevice = capture.AudioDevice;
capture.Dispose();
capture = null;
} // Get new video device
MenuItem m = sender as MenuItem;
videoDevice = (m.Index > ? filters.VideoInputDevices[m.Index - ] : null); // Create capture object
if ((videoDevice != null) || (audioDevice != null))
{
capture = new 捕获(videoDevice, audioDevice);
capture.CaptureComplete += new EventHandler(OnCaptureComplete);
} // Update the menu
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("视频设备不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuAudioDevices_Click(object sender, System.EventArgs e)
{
try
{
// Get current devices and dispose of capture object
// because the video and audio device can only be changed
// by creating a new Capture object.
Filter videoDevice = null;
Filter audioDevice = null;
Filter videoCompressor = null;
if (capture != null)
{
videoDevice = capture.VideoDevice;
audioDevice = capture.AudioDevice;
videoCompressor = capture.VideoCompressor;
capture.Dispose();
capture = null;
} // Get new audio device
MenuItem m = sender as MenuItem;
audioDevice = (m.Index > ? filters.AudioInputDevices[m.Index - ] : null); // Create capture object
if ((videoDevice != null) || (audioDevice != null))
{
capture = new 捕获(videoDevice, audioDevice);
capture.CaptureComplete += new EventHandler(OnCaptureComplete);
} capture.VideoCompressor = videoCompressor; // Update the menu
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("音频设备不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuVideoCompressors_Click(object sender, System.EventArgs e)
{
try
{
// Change the video compressor
// We subtract 1 from m.Index beacuse the first item is (None)
MenuItem m = sender as MenuItem;
capture.VideoCompressor = (m.Index > ? filters.VideoCompressors[m.Index - ] : null);
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("视频压缩不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
} } private void mnuAudioCompressors_Click(object sender, System.EventArgs e)
{
try
{
// Change the audio compressor
// We subtract 1 from m.Index beacuse the first item is (None)
MenuItem m = sender as MenuItem;
capture.AudioCompressor = (m.Index > ? filters.AudioCompressors[m.Index - ] : null);
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("音频压缩不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuVideoSources_Click(object sender, System.EventArgs e)
{
try
{
// Choose the video source
// If the device only has one source, this menu item will be disabled
MenuItem m = sender as MenuItem;
capture.VideoSource = capture.VideoSources[m.Index];
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("无法设置视频源。请提交错误报告.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuAudioSources_Click(object sender, System.EventArgs e)
{
try
{
// Choose the audio source
// If the device only has one source, this menu item will be disabled
MenuItem m = sender as MenuItem;
capture.AudioSource = capture.AudioSources[m.Index];
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("无法设置音频源。请提交错误报告.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuExit_Click(object sender, System.EventArgs e)
{
if (capture != null)
capture.Stop();
Application.Exit();
} private void mnuFrameSizes_Click(object sender, System.EventArgs e)
{
try
{
// Disable preview to avoid additional flashes (optional)
bool preview = (capture.PreviewWindow != null);
capture.PreviewWindow = null; // Update the frame size
MenuItem m = sender as MenuItem;
string[] s = m.Text.Split('x');
Size size = new Size(int.Parse(s[]), int.Parse(s[]));
capture.FrameSize = size; // Update the menu
updateMenu(); // Restore previous preview setting
capture.PreviewWindow = (preview ? panelVideo : null);
}
catch (Exception ex)
{
MessageBox.Show("帧大小不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuFrameRates_Click(object sender, System.EventArgs e)
{
try
{
MenuItem m = sender as MenuItem;
string[] s = m.Text.Split(' ');
capture.FrameRate = double.Parse(s[]);
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("不支持的帧速率.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuAudioChannels_Click(object sender, System.EventArgs e)
{
try
{
MenuItem m = sender as MenuItem;
capture.AudioChannels = (short)Math.Pow(, m.Index);
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("不支持的音频信道数.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuAudioSamplingRate_Click(object sender, System.EventArgs e)
{
try
{
MenuItem m = sender as MenuItem;
string[] s = m.Text.Split(' ');
int samplingRate = (int)(double.Parse(s[]) * );
capture.AudioSamplingRate = samplingRate;
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("不支持音频采样率.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuAudioSampleSizes_Click(object sender, System.EventArgs e)
{
try
{
MenuItem m = sender as MenuItem;
string[] s = m.Text.Split(' ');
short sampleSize = short.Parse(s[]);
capture.AudioSampleSize = sampleSize;
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("音频样本大小不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuPreview_Click(object sender, System.EventArgs e)
{
try
{
if (capture.PreviewWindow == null)
{
capture.PreviewWindow = panelVideo;
mnuPreview.Checked = true;
}
else
{
capture.PreviewWindow = null;
mnuPreview.Checked = false;
}
}
catch (Exception ex)
{
MessageBox.Show("无法启用/禁用预览。请提交一个错误报告。\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuPropertyPages_Click(object sender, System.EventArgs e)
{
try
{
MenuItem m = sender as MenuItem;
capture.PropertyPages[m.Index].Show(this);
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("无法显示属性页。请提交一个错误报告.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuChannel_Click(object sender, System.EventArgs e)
{
try
{
MenuItem m = sender as MenuItem;
capture.Tuner.Channel = m.Index + ;
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("无法更改通道。请提交一个错误报告.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuInputType_Click(object sender, System.EventArgs e)
{
try
{
MenuItem m = sender as MenuItem;
capture.Tuner.InputType = (DirectX.Capture.TunerInputType)m.Index;
updateMenu();
}
catch (Exception ex)
{
MessageBox.Show("无法更改调谐器输入类型。请提交一个错误报告.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuVideoCaps_Click(object sender, System.EventArgs e)
{
try
{
string s;
s = String.Format(
"输入尺寸:\t\t{0} x {1}\n" +
"\n" +
"最小帧长度:\t\t{2} x {3}\n" +//最小帧长度
"最大帧长度:\t\t{4} x {5}\n" +//最大帧长度
"帧尺寸粒度 X:\t{6}\n" +//帧大小粒度
"帧尺寸粒度 Y:\t{7}\n" +
"\n" +
"最小帧速率:\t\t{8:0.000} fps\n" +//最小帧速率
"最大帧速率:\t\t{9:0.000} fps\n",
capture.VideoCaps.InputSize.Width, capture.VideoCaps.InputSize.Height,
capture.VideoCaps.MinFrameSize.Width, capture.VideoCaps.MinFrameSize.Height,
capture.VideoCaps.MaxFrameSize.Width, capture.VideoCaps.MaxFrameSize.Height,
capture.VideoCaps.FrameSizeGranularityX,
capture.VideoCaps.FrameSizeGranularityY,
capture.VideoCaps.MinFrameRate,
capture.VideoCaps.MaxFrameRate);
MessageBox.Show(s, "视频设备能力", MessageBoxButtons.OK, MessageBoxIcon.Information); }
catch (Exception ex)
{
MessageBox.Show("无法显示视频功能。请提交一个错误报告.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void mnuAudioCaps_Click(object sender, System.EventArgs e)
{
try
{
string s;
s = String.Format(
"Min Channels:\t\t{0}\n" +
"Max Channels:\t\t{1}\n" +
"Channels Granularity:\t{2}\n" +
"\n" +
"Min Sample Size:\t\t{3}\n" +
"Max Sample Size:\t\t{4}\n" +
"Sample Size Granularity:\t{5}\n" +
"\n" +
"Min Sampling Rate:\t\t{6}\n" +
"Max Sampling Rate:\t\t{7}\n" +
"Sampling Rate Granularity:\t{8}\n",
capture.AudioCaps.MinimumChannels,
capture.AudioCaps.MaximumChannels,
capture.AudioCaps.ChannelsGranularity,
capture.AudioCaps.MinimumSampleSize,
capture.AudioCaps.MaximumSampleSize,
capture.AudioCaps.SampleSizeGranularity,
capture.AudioCaps.MinimumSamplingRate,
capture.AudioCaps.MaximumSamplingRate,
capture.AudioCaps.SamplingRateGranularity);
MessageBox.Show(s, "音频设备能力", MessageBoxButtons.OK, MessageBoxIcon.Information); }
catch (Exception ex)
{
MessageBox.Show("Unable display audio capabilities. Please submit a bug report.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} // 单击“菜单”选项显示压缩机属性 On clicking the menu option to display Compressor Properties
private void mnuCompressionProps_Click(object sender, System.EventArgs e)
{
// Prepare to show the form
CompressionProps m = new CompressionProps(); // Read what compression capabilities are available
CompressionCaps i = capture.VideoCompressorCaps.GetCaps; bool bSet = (i & CompressionCaps.CanKeyFrame) > ; // Enable the available keyframe controls
m.txtKeyFrame.Enabled = bSet;
m.labKeyFrame.Enabled = bSet;
m.chkKeyFrame.Enabled = bSet; // copy in the default values
if (bSet)
{
long v = capture.VideoCompressorCaps.KeyFrameRate; // Using default?
if (v < )
{
m.txtKeyFrame.Text = "";
m.chkKeyFrame.Checked = true;
m.txtKeyFrame.Enabled = false;
}
else
{
m.txtKeyFrame.Text = v.ToString();
m.chkKeyFrame.Checked = false;
}
} bSet = (i & CompressionCaps.CanBFrame) > ; // Enable the available PFrames controls
m.txtPFrames.Enabled = bSet;
m.labPFrames.Enabled = bSet;
m.chkPFrames.Enabled = bSet;
if (bSet)
{
long v = capture.VideoCompressorCaps.PFramesPerKeyFrame; // Using default?
if (v < )
{
m.txtPFrames.Text = "";
m.chkPFrames.Checked = true;
m.txtPFrames.Enabled = false;
}
else
{
m.txtPFrames.Text = v.ToString();
m.chkPFrames.Checked = false;
}
} bSet = (i & CompressionCaps.CanWindow) > ; // Enable the available WindowSize controls
m.txtWindowSize.Enabled = bSet;
m.labWindowSize.Enabled = bSet;
m.chkWindowSize.Enabled = bSet;
m.chkWindowSize.Checked = false; if (bSet)
{
m.txtWindowSize.Text = capture.VideoCompressorCaps.WindowSize.ToString();
} bSet = (i & CompressionCaps.CanQuality) > ; // Enable the available Quality controls
m.txtQuality.Enabled = bSet;
m.trkQuality.Enabled = bSet;
m.labQuality.Enabled = bSet;
m.chkQuality.Enabled = bSet;
if (bSet)
{
long v = capture.VideoCompressorCaps.Quality; // Using default?
if (v < )
{
m.txtQuality.Text = "";
m.chkQuality.Checked = true;
m.trkQuality.Value = ;
m.trkQuality.Enabled = false;
m.txtQuality.Enabled = false;
}
else
{
m.txtQuality.Text = v.ToString();
m.chkQuality.Checked = false;
m.trkQuality.Value = capture.VideoCompressorCaps.Quality;
}
} // Display the form
DialogResult a = m.ShowDialog(this); // If the user clicked OK, set the values they specified
if (DialogResult.OK == a)
{
if ((i & CompressionCaps.CanKeyFrame) > )
{
int v;
if (m.chkKeyFrame.Checked)
{
// Use default
v = -;
}
else
{
v = Convert.ToInt32(m.txtKeyFrame.Text);
}
capture.VideoCompressorCaps.KeyFrameRate = v;
} if ((i & CompressionCaps.CanBFrame) > )
{
int v;
if (m.chkPFrames.Checked)
{
// Use default
v = -;
}
else
{
v = Convert.ToInt32(m.txtPFrames.Text);
}
capture.VideoCompressorCaps.PFramesPerKeyFrame = v;
} if ((i & CompressionCaps.CanWindow) > )
{
long v;
if (m.chkWindowSize.Checked)
{
// Use default
v = ;
}
else
{
v = Convert.ToInt64(m.txtWindowSize.Text);
}
capture.VideoCompressorCaps.WindowSize = v;
} if ((i & CompressionCaps.CanQuality) > )
{
int v; if (m.chkQuality.Checked)
{
// Use default
v = -;
}
else
{
v = Convert.ToInt32(m.txtQuality.Text);
}
capture.VideoCompressorCaps.Quality = v;
}
}
} #endregion 菜单事件 #region 事件 private void btnExit_Click(object sender, System.EventArgs e)
{
if (capture != null)
{
capture.Stop();
SaveDefaults();
}
Application.Exit();
} private void btnCue_Click(object sender, System.EventArgs e)
{
try
{
if (capture == null)
throw new ApplicationException("请选择一个视频和/或音频设备.");
if (!capture.Cued)
capture.Filename = txtFilename.Text; CaptureResult = ;
txtDroppedFrames.Text = "";
txtCapturedFrames.Text = "";
txtDuration.Text = "";
txtFilename.Enabled = false; capture.Cue();
capture.PreSize(Convert.ToInt64(txtPreSize.Text) * ); btnCue.Enabled = false;
btnStop.Enabled = true;
//“使用cue() 先于 start() 做的所有准备工作，
//需要做的事开始捕捉。现在，当您单击“开始”时，
//捕获的速度将比您刚刚单击“启动”开始的速度更快。
//使用cue()完全是可选的。使用cue()坏处是预览被禁用，直到捕获开始。
MessageBox.Show("Use Cue() before Start() to " +
"do all the preparation work that needs to be done to start a " +
"capture. Now, when you click Start the capture will begin faster " +
"than if you had just clicked Start. Using Cue() is completely " +
"optional. The downside to using Cue() is the preview is disabled until " +
"the capture begins.", "Ready to Capture", MessageBoxButtons.OK, MessageBoxIcon.Information);
btnStart.Select();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void btnStart_Click(object sender, System.EventArgs e)
{
try
{
if (capture == null)
throw new ApplicationException("请选择一个视频和/或音频设备。");
if (!capture.Cued)
capture.Filename = txtFilename.Text; CaptureResult = ;
iDroppedBefore = capture.DroppedVideoFrames;
dtBefore = DateTime.Now;
txtDroppedFrames.Text = "";
txtCapturedFrames.Text = "";
txtDuration.Text = "";
txtFilename.Enabled = false;
capture.Start();
tmrTime1.Enabled = true;
btnCue.Enabled = false;
btnStart.Enabled = false;
btnStop.Enabled = true;
btnStop.Select();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
} private void btnStop_Click(object sender, System.EventArgs e)
{
Stop();
} private void OnCaptureComplete(object sender, EventArgs e)
{
// 显示捕获捕获完成事件 Demonstrate the Capture.CaptureComplete event.
tmrTime1.Enabled = false; // 如果窗口消息处理程序中止了我们… If the windows message handler aborted us...
if (CaptureResult != )//捕获的结果
MessageBox.Show("Capture Error 0x" + CaptureResult.ToString("x"), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
} // Update the Captured/Dropped fields while capturing
private void tmrTime1_Tick(Object myObject, EventArgs myEventArgs)
{
if (CaptureResult == )
{
ShowDropped();
}
else
{
Stop();
}
} private void groupBox1_Resize(object sender, System.EventArgs e)
{
VideoWindowResize();
} #endregion 事件
// http://www.cnblogs.com/endv/p/6052511.html #region private
private System.Windows.Forms.TextBox txtFilename;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button btnStart;
private System.Windows.Forms.Button btnStop;
private System.Windows.Forms.Button btnExit;
private System.Windows.Forms.MenuItem menuItem1;
private System.Windows.Forms.MenuItem menuItem7;
private System.Windows.Forms.MainMenu mainMenu;
private System.Windows.Forms.MenuItem mnuExit;
private System.Windows.Forms.MenuItem mnuDevices;
private System.Windows.Forms.MenuItem mnuVideoDevices;
private System.Windows.Forms.MenuItem mnuAudioDevices;
private System.Windows.Forms.MenuItem mnuVideoCompressors;
private System.Windows.Forms.MenuItem mnuAudioCompressors;
private System.Windows.Forms.MenuItem mnuVideoSources;
private System.Windows.Forms.MenuItem mnuAudioSources;
private System.Windows.Forms.Panel panelVideo;
private System.Windows.Forms.MenuItem menuItem4;
private System.Windows.Forms.MenuItem mnuAudioChannels;
private System.Windows.Forms.MenuItem mnuAudioSamplingRate;
private System.Windows.Forms.MenuItem mnuAudioSampleSizes;
private System.Windows.Forms.MenuItem menuItem5;
private System.Windows.Forms.MenuItem mnuFrameSizes;
private System.Windows.Forms.MenuItem mnuFrameRates;
private System.Windows.Forms.Button btnCue;
private System.Windows.Forms.MenuItem menuItem6;
private System.Windows.Forms.MenuItem mnuPreview;
private System.Windows.Forms.MenuItem menuItem8;
private System.Windows.Forms.MenuItem mnuPropertyPages;
private System.Windows.Forms.MenuItem mnuVideoCaps;
private System.Windows.Forms.MenuItem mnuAudioCaps;
private System.Windows.Forms.MenuItem mnuChannel;
private System.Windows.Forms.MenuItem menuItem3;
private System.Windows.Forms.MenuItem mnuInputType;
private System.Windows.Forms.TextBox txtDroppedFrames;
private System.Windows.Forms.Label label2;
private System.Windows.Forms.Timer tmrTime1;
private System.Windows.Forms.Label label3;
private System.Windows.Forms.TextBox txtDuration;
private System.Windows.Forms.Label label4;
private System.Windows.Forms.TextBox txtCapturedFrames;
private System.Windows.Forms.MenuItem mnuCompressionProps;
private System.Windows.Forms.GroupBox groupBox1;
private System.Windows.Forms.Label label5;
private System.Windows.Forms.TextBox txtPreSize;
private System.ComponentModel.IContainer components;
#endregion private /// <summary>
/// Clean up any resources being used.
/// </summary>
protected override void Dispose(bool disposing)
{
if (disposing)
{
if (components != null)
{
components.Dispose();
}
}
base.Dispose(disposing);
}
// 媒体事件发送使用Windows消息 Media events are sent to use as windows messages
protected override void WndProc(ref Message m)
{
switch (m.Msg)
{
// If this is a windows media message
case WM_GRAPHNOTIFY:
EventCode eventCode;//捕获已中止？
IntPtr p1, p2;
int hr; hr = mediaEvent.GetEvent(out eventCode, out p1, out p2, );
while (hr == )
{
// 处理事件
// 捕获已中止 The capture has been aborted
if (eventCode == EventCode.ErrorAbort)
{
CaptureResult = p1.ToInt32();
} // 释放参数
mediaEvent.FreeEventParams(eventCode, p1, p2); //
// 检查附加事件 check for additional events
hr = mediaEvent.GetEvent(out eventCode, out p1, out p2, );
}
break; // 所有其它的消息 All other messages
default:
// 未经处理的窗口消息 unhandled window message
base.WndProc(ref m);
break;
}
} #region Windows Form Designer generated code
/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{ // http://www.cnblogs.com/endv/p/6052511.html this.components = new System.ComponentModel.Container();
this.txtFilename = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.btnStart = new System.Windows.Forms.Button();
this.btnStop = new System.Windows.Forms.Button();
this.btnExit = new System.Windows.Forms.Button();
this.mainMenu = new System.Windows.Forms.MainMenu(this.components);
this.menuItem1 = new System.Windows.Forms.MenuItem();
this.mnuExit = new System.Windows.Forms.MenuItem();
this.mnuDevices = new System.Windows.Forms.MenuItem();
this.mnuVideoDevices = new System.Windows.Forms.MenuItem();
this.mnuAudioDevices = new System.Windows.Forms.MenuItem();
this.menuItem4 = new System.Windows.Forms.MenuItem();
this.mnuVideoCompressors = new System.Windows.Forms.MenuItem();
this.mnuAudioCompressors = new System.Windows.Forms.MenuItem();
this.menuItem7 = new System.Windows.Forms.MenuItem();
this.mnuVideoSources = new System.Windows.Forms.MenuItem();
this.mnuFrameSizes = new System.Windows.Forms.MenuItem();
this.mnuFrameRates = new System.Windows.Forms.MenuItem();
this.mnuVideoCaps = new System.Windows.Forms.MenuItem();
this.menuItem5 = new System.Windows.Forms.MenuItem();
this.mnuAudioSources = new System.Windows.Forms.MenuItem();
this.mnuAudioChannels = new System.Windows.Forms.MenuItem();
this.mnuAudioSamplingRate = new System.Windows.Forms.MenuItem();
this.mnuAudioSampleSizes = new System.Windows.Forms.MenuItem();
this.mnuAudioCaps = new System.Windows.Forms.MenuItem();
this.menuItem3 = new System.Windows.Forms.MenuItem();
this.mnuChannel = new System.Windows.Forms.MenuItem();
this.mnuInputType = new System.Windows.Forms.MenuItem();
this.menuItem6 = new System.Windows.Forms.MenuItem();
this.mnuCompressionProps = new System.Windows.Forms.MenuItem();
this.mnuPropertyPages = new System.Windows.Forms.MenuItem();
this.menuItem8 = new System.Windows.Forms.MenuItem();
this.mnuPreview = new System.Windows.Forms.MenuItem();
this.panelVideo = new System.Windows.Forms.Panel();
this.btnCue = new System.Windows.Forms.Button();
this.txtDroppedFrames = new System.Windows.Forms.TextBox();
this.label2 = new System.Windows.Forms.Label();
this.tmrTime1 = new System.Windows.Forms.Timer(this.components);
this.txtDuration = new System.Windows.Forms.TextBox();
this.label3 = new System.Windows.Forms.Label();
this.label4 = new System.Windows.Forms.Label();
this.txtCapturedFrames = new System.Windows.Forms.TextBox();
this.groupBox1 = new System.Windows.Forms.GroupBox();
this.txtPreSize = new System.Windows.Forms.TextBox();
this.label5 = new System.Windows.Forms.Label();
this.groupBox1.SuspendLayout();
this.SuspendLayout();
//
// txtFilename
//
this.txtFilename.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.txtFilename.Location = new System.Drawing.Point(, );
this.txtFilename.Name = "txtFilename";
this.txtFilename.Size = new System.Drawing.Size(, );
this.txtFilename.TabIndex = ;
this.txtFilename.Text = "test.avi";
//
// label1
//
this.label1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.label1.Location = new System.Drawing.Point(, );
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(, );
this.label1.TabIndex = ;
this.label1.Text = "文件名:";
//
// btnStart
//
this.btnStart.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.btnStart.Location = new System.Drawing.Point(, );
this.btnStart.Name = "btnStart";
this.btnStart.Size = new System.Drawing.Size(, );
this.btnStart.TabIndex = ;
this.btnStart.Text = "开始";
this.btnStart.Click += new System.EventHandler(this.btnStart_Click);
//
// btnStop
//
this.btnStop.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.btnStop.Enabled = false;
this.btnStop.Location = new System.Drawing.Point(, );
this.btnStop.Name = "btnStop";
this.btnStop.Size = new System.Drawing.Size(, );
this.btnStop.TabIndex = ;
this.btnStop.Text = "停止";
this.btnStop.Click += new System.EventHandler(this.btnStop_Click);
//
// btnExit
//
this.btnExit.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.btnExit.Location = new System.Drawing.Point(, );
this.btnExit.Name = "btnExit";
this.btnExit.Size = new System.Drawing.Size(, );
this.btnExit.TabIndex = ;
this.btnExit.Text = "退出";
this.btnExit.Click += new System.EventHandler(this.btnExit_Click);
//
// mainMenu
//
this.mainMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.menuItem1,
this.mnuDevices,
this.menuItem7});
//
// menuItem1
//
this.menuItem1.Index = ;
this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.mnuExit});
this.menuItem1.Text = "文件";
//
// mnuExit
//
this.mnuExit.Index = ;
this.mnuExit.Text = "E&xit";
this.mnuExit.Click += new System.EventHandler(this.mnuExit_Click);
//
// mnuDevices
//
this.mnuDevices.Index = ;
this.mnuDevices.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.mnuVideoDevices,
this.mnuAudioDevices,
this.menuItem4,
this.mnuVideoCompressors,
this.mnuAudioCompressors});
this.mnuDevices.Text = "设备";
//
// mnuVideoDevices
//
this.mnuVideoDevices.Index = ;
this.mnuVideoDevices.Text = "视频设备";
//
// mnuAudioDevices
//
this.mnuAudioDevices.Index = ;
this.mnuAudioDevices.Text = "音频设备";
//
// menuItem4
//
this.menuItem4.Index = ;
this.menuItem4.Text = "-";
//
// mnuVideoCompressors
//
this.mnuVideoCompressors.Index = ;
this.mnuVideoCompressors.Text = "视频压缩";
//
// mnuAudioCompressors
//
this.mnuAudioCompressors.Index = ;
this.mnuAudioCompressors.Text = "音频压缩";
//
// menuItem7
//
this.menuItem7.Index = ;
this.menuItem7.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] {
this.mnuVideoSources,
this.mnuFrameSizes,
this.mnuFrameRates,
this.mnuVideoCaps,
this.menuItem5,
this.mnuAudioSources,
this.mnuAudioChannels,
this.mnuAudioSamplingRate,
this.mnuAudioSampleSizes,
this.mnuAudioCaps,
this.menuItem3,
this.mnuChannel,
this.mnuInputType,
this.menuItem6,
this.mnuCompressionProps,
this.mnuPropertyPages,
this.menuItem8,
this.mnuPreview});
this.menuItem7.Text = "选项";
//
// mnuVideoSources
//
this.mnuVideoSources.Index = ;
this.mnuVideoSources.Text = "视频源";
//
// mnuFrameSizes
//
this.mnuFrameSizes.Index = ;
this.mnuFrameSizes.Text = "视频帧的大小";
//
// mnuFrameRates
//
this.mnuFrameRates.Index = ;
this.mnuFrameRates.Text = "视频的帧速率";
this.mnuFrameRates.Click += new System.EventHandler(this.mnuFrameRates_Click);
//
// mnuVideoCaps
//
this.mnuVideoCaps.Index = ;
this.mnuVideoCaps.Text = "视频特性";
this.mnuVideoCaps.Click += new System.EventHandler(this.mnuVideoCaps_Click);
//
// menuItem5
//
this.menuItem5.Index = ;
this.menuItem5.Text = "-";
//
// mnuAudioSources
//
this.mnuAudioSources.Index = ;
this.mnuAudioSources.Text = "音频源";
//
// mnuAudioChannels
//
this.mnuAudioChannels.Index = ;
this.mnuAudioChannels.Text = "音频通道";
//
// mnuAudioSamplingRate
//
this.mnuAudioSamplingRate.Index = ;
this.mnuAudioSamplingRate.Text = "音频采样率";
//
// mnuAudioSampleSizes
//
this.mnuAudioSampleSizes.Index = ;
this.mnuAudioSampleSizes.Text = "音频样本大小";
//
// mnuAudioCaps
//
this.mnuAudioCaps.Index = ;
this.mnuAudioCaps.Text = "音频功能...";
this.mnuAudioCaps.Click += new System.EventHandler(this.mnuAudioCaps_Click);
//
// menuItem3
//
this.menuItem3.Index = ;
this.menuItem3.Text = "-";
//
// mnuChannel
//
this.mnuChannel.Index = ;
this.mnuChannel.Text = "TV调谐器频道";
//
// mnuInputType
//
this.mnuInputType.Index = ;
this.mnuInputType.Text = "TV 调谐器输入类型";
this.mnuInputType.Click += new System.EventHandler(this.mnuInputType_Click);
//
// menuItem6
//
this.menuItem6.Index = ;
this.menuItem6.Text = "-";
//
// mnuCompressionProps
//
this.mnuCompressionProps.Index = ;
this.mnuCompressionProps.Text = "压缩道具...";
this.mnuCompressionProps.Click += new System.EventHandler(this.mnuCompressionProps_Click);
//
// mnuPropertyPages
//
this.mnuPropertyPages.Index = ;
this.mnuPropertyPages.Text = "属性页";
//
// menuItem8
//
this.menuItem8.Index = ;
this.menuItem8.Text = "-";
//
// mnuPreview
//
this.mnuPreview.Index = ;
this.mnuPreview.Text = "预览";
this.mnuPreview.Click += new System.EventHandler(this.mnuPreview_Click);
//
// panelVideo
//
this.panelVideo.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.panelVideo.Location = new System.Drawing.Point(, );
this.panelVideo.Name = "panelVideo";
this.panelVideo.Size = new System.Drawing.Size(, );
this.panelVideo.TabIndex = ;
//
// btnCue
//
this.btnCue.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.btnCue.Location = new System.Drawing.Point(, );
this.btnCue.Name = "btnCue";
this.btnCue.Size = new System.Drawing.Size(, );
this.btnCue.TabIndex = ;
this.btnCue.Text = "提示";
this.btnCue.Click += new System.EventHandler(this.btnCue_Click);
//
// txtDroppedFrames
//
this.txtDroppedFrames.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.txtDroppedFrames.CausesValidation = false;
this.txtDroppedFrames.Location = new System.Drawing.Point(, );
this.txtDroppedFrames.Name = "txtDroppedFrames";
this.txtDroppedFrames.ReadOnly = true;
this.txtDroppedFrames.Size = new System.Drawing.Size(, );
this.txtDroppedFrames.TabIndex = ;
this.txtDroppedFrames.TabStop = false;
this.txtDroppedFrames.Text = "";
//
// label2
//
this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.label2.Location = new System.Drawing.Point(, );
this.label2.Name = "label2";
this.label2.Size = new System.Drawing.Size(, );
this.label2.TabIndex = ;
this.label2.Text = "丢帧";
//
// tmrTime1
//
this.tmrTime1.Interval = ;
this.tmrTime1.Tick += new System.EventHandler(this.tmrTime1_Tick);
//
// txtDuration
//
this.txtDuration.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.txtDuration.Location = new System.Drawing.Point(, );
this.txtDuration.Name = "txtDuration";
this.txtDuration.ReadOnly = true;
this.txtDuration.Size = new System.Drawing.Size(, );
this.txtDuration.TabIndex = ;
this.txtDuration.TabStop = false;
//
// label3
//
this.label3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.label3.Location = new System.Drawing.Point(, );
this.label3.Name = "label3";
this.label3.Size = new System.Drawing.Size(, );
this.label3.TabIndex = ;
this.label3.Text = "持续时间";
//
// label4
//
this.label4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.label4.Location = new System.Drawing.Point(, );
this.label4.Name = "label4";
this.label4.Size = new System.Drawing.Size(, );
this.label4.TabIndex = ;
this.label4.Text = "捕获帧";
//
// txtCapturedFrames
//
this.txtCapturedFrames.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.txtCapturedFrames.Location = new System.Drawing.Point(, );
this.txtCapturedFrames.Name = "txtCapturedFrames";
this.txtCapturedFrames.ReadOnly = true;
this.txtCapturedFrames.Size = new System.Drawing.Size(, );
this.txtCapturedFrames.TabIndex = ;
this.txtCapturedFrames.TabStop = false;
this.txtCapturedFrames.Text = "";
//
// groupBox1
//
this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
| System.Windows.Forms.AnchorStyles.Left)
| System.Windows.Forms.AnchorStyles.Right)));
this.groupBox1.Controls.Add(this.panelVideo);
this.groupBox1.Location = new System.Drawing.Point(, );
this.groupBox1.Name = "groupBox1";
this.groupBox1.Size = new System.Drawing.Size(, );
this.groupBox1.TabIndex = ;
this.groupBox1.TabStop = false;
this.groupBox1.Resize += new System.EventHandler(this.groupBox1_Resize);
//
// txtPreSize
//
this.txtPreSize.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.txtPreSize.Location = new System.Drawing.Point(, );
this.txtPreSize.Name = "txtPreSize";
this.txtPreSize.Size = new System.Drawing.Size(, );
this.txtPreSize.TabIndex = ;
this.txtPreSize.Text = "";
this.txtPreSize.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
//
// label5
//
this.label5.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right)));
this.label5.Location = new System.Drawing.Point(, );
this.label5.Name = "label5";
this.label5.Size = new System.Drawing.Size(, );
this.label5.TabIndex = ;
this.label5.Text = "Pre-Size (Meg)";
this.label5.TextAlign = System.Drawing.ContentAlignment.TopCenter;
//
// CaptureTest
//
this.AutoScaleBaseSize = new System.Drawing.Size(, );
this.ClientSize = new System.Drawing.Size(, );
this.Controls.Add(this.label5);
this.Controls.Add(this.txtPreSize);
this.Controls.Add(this.groupBox1);
this.Controls.Add(this.txtCapturedFrames);
this.Controls.Add(this.label4);
this.Controls.Add(this.label3);
this.Controls.Add(this.txtDuration);
this.Controls.Add(this.label2);
this.Controls.Add(this.txtDroppedFrames);
this.Controls.Add(this.btnCue);
this.Controls.Add(this.btnExit);
this.Controls.Add(this.btnStop);
this.Controls.Add(this.btnStart);
this.Controls.Add(this.txtFilename);
this.Controls.Add(this.label1);
this.Menu = this.mainMenu;
this.Name = "CaptureTest";
this.Text = "捕捉测试";
this.groupBox1.ResumeLayout(false);
this.ResumeLayout(false);
this.PerformLayout(); }
#endregion }
}
DirectShowNet 使用摄像头录像+录音的更多相关文章
- android 随手记 摄像头录像
1 xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:androi ...
- C#调用AForge实现摄像头录像
1: 首先下载库文件>> 也可以去官网寻找>> 下载本教程全代码>> 输出为MP4需要用到ffmpeg相关的文件,我打包的库已经带了,去官网找的库可以在这个目录找到 ...
- WPF另类实现摄像头录像
WPF中使用第三方控件来直接进行录像的控件没有找到(aforgenet好像不维护了?WPFMediaKit好像只能实现摄像头拍照.收费的控件没有使用,不做评论.) 通过百度(感谢:https://ww ...
- cef开启摄像头和录音
参考资料:https://github.com/cztomczak/phpdesktop/wiki/Chrome-settings#command_line_switches CefSharp中文帮助 ...
- win8 metro 自己写摄像头录像项目
这是要求不适用CameraCaptureUI等使用系统自带的 camera UI界面.要求我们自己写调用摄像头摄像的方法,如今我把我的程序贴下: UI界面的程序: <Page x:Class= ...
- Android WebView 上传各种文件(包括拍照 录像 录音 文件 音乐 等，用到图片或拍照的，可以参考下)
我也是从网上扒下来的,经过多次实验,找到了个好用的.网上能搜到最多的也就是这个解决方案,我英文不好,也没仔细研究,但大多数都是出自这: http://stackoverflow.com/questio ...
- 怎么调用html5的摄像头，录音，视频？
调用image 即打开相册或调用系统相机: <input type="file" accept="image/*" capture="camer ...
- Google Chrome打开权限设置开关（摄像头，录音等）
在搜索框输入以下字符 chrome://flags/#unsafely-treat-insecure-origin-as-secure
- Android调用手机摄像头使用MediaRecorder录像并播放
最近在项目开发中需要调用系统的摄像头录像并播放. 在开发中遇到了两个问题,记录下: (1)开发过程中出现摄像头占用,启动失败,报错.但是我已经在onDestory()中关闭了资源. 报错原因:打开程序 ...
随机推荐
- 《众妙之门——精通CSS3》一书知识点剖析
不得不佩服京东的速度,昨天刚下单的两本书今天上午就到了.其中一本是全彩页的<众妙之门 - 精通CSS3>,细看了前几十页,书上的叙述方式给我的印象其实不如“彩页”来的讨喜——接连说上几个例 ...
- mongodb（副本集）
副本集是mongo下的一种集群配置方式: 1.通过oplog的方式将主节点数据同步到副本节点,oplog不记录查询语句(因为不改变数据): 2.mongo的副本集可以有一个主节点,多个副本节点,主节点 ...
- 自己实现一个Native方法的调用
JNI 开始本篇的内容之前,首先要讲一下JNI.Java很好,使用的人很多.应用极广,但是Java不是完美的.Java的不足体现在运行速度要比传统的C++慢上许多之外,还有Java无法直接访问到操作系 ...
- nim的引用和指针
nim语言的引用和其他语言的指针有点相似 可以提供一种“多对一”的关系 这就意味着不同的引用可以指向同一个内存位置 nim区分可被追踪的引用和不可被追踪的引用 不可被追踪的引用又称为指针 可被追踪的引 ...
- css选择器优先级全解析
这样一个问题: <!doctype html> <htmllang="en"> <head> <metacharset="UTF ...
- [ACM_几何] F. 3D Triangles （三维三角行相交）
http://acm.hust.edu.cn/vjudge/contest/view.action?cid=28235#problem/A 题目大意:给出三维空间两个三角形三个顶点,判断二者是否有公共 ...
- C#入门基础三四
数组:数组是一组具有相同类型的值的集合,可以通过索引来访问数组中的元素. 声明数组的语法: A.数据类型 [] 数组名称: B.数据类型 [] 数组名称 = new 数据类型[数组大小]; C.int ...
- SVNServer迁移
本文主要记录SVNServer从windows系列迁移到Centos的过程,以下几篇文章已经描述的很好了,本文就不再赘述. 注意问题: 配置权限时空格问题:包括前面不能有空格,=两边有空格等. 参考链 ...
- IOS 多线程02-pthread 、 NSThread 、GCD 、NSOperationQueue、NSRunLoop
注:本人是翻译过来,并且加上本人的一点见解. 要点: 1.前言 2.pthread 3.NSThread 4.Grand Central Dispatch(GCD) 5.Operation Queue ...
- Atiit 如何手写词法解析器
Atiit 如何手写词法解析器 1.1. 通过编程直接从正则->nfa->dfa->表驱动词法解析一条龙自动生成.那是用程序自动生成是需要这样的,自己手写完全不必要这么复杂1 1.2 ...