http://www.cnblogs.com/endv/p/6052511.html
1 // ------------------------------------------------------------------ 2 // CaptureTest.cs 3 // Sample application to show the DirectX.Capture class library. 4 // 5 // History: 6 // 2003-Jan-25 BL - created 7 // 8 // Copyright (c) 2003 Brian Low 9 // ------------------------------------------------------------------ 10 11 using DirectShowLib; 12 using DirectX.Capture; 13 using System; 14 using System.Diagnostics; 15 using System.Drawing; 16 using System.Runtime.InteropServices; 17 using System.Text; 18 using System.Windows.Forms; 19 20 namespace CaptureTest 21 { 22 public class CaptureTest : System.Windows.Forms.Form 23 { 24 ///25 /// 应用程序的主要入口点 26 /// 27 [STAThread] 28 static void Main() 29 { 30 AppDomain currentDomain = AppDomain.CurrentDomain; 31 Application.Run(new CaptureTest()); 32 GC.Collect(); 33 GC.WaitForPendingFinalizers(); 34 } 35 36 // 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， 37 // 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 38 [DllImport("kernel32.dll")] 39 static extern uint GetPrivateProfileString(string lpAppName, string lpKeyName, string lpDefault, StringBuilder lpReturnedString, uint nSize, string lpFileName); 40 41 [DllImport("kernel32.dll")] 42 static extern uint WritePrivateProfileString(string lpAppName, string lpKeyName, string lpString, string lpFileName); 43 44 const int WM_GRAPHNOTIFY = 0x8000 + 1; 45 private long iDroppedBefore = 0; 46 private DateTime dtBefore; 47 private IMediaEventEx mediaEvent = null; 48 private int CaptureResult; 49 private 捕获 capture = null; 50 private Filters filters = new Filters(); 51 private Size m_FrameSize; // Reading the value from capture.Framesize derenders the graph 52 53 public CaptureTest() 54 { 55 InitializeComponent(); // 所需的窗体设计器支持 56 57 LoadDevices();//负载设备 58 59 if (capture != null) 60 { 61 LoadDeviceSettings();//加载设备设置 62 LoadCompressors();//加载压缩机 63 } 64 65 // 更新主菜单中的许多有趣的工作，这个示例发生在这里 66 try { updateMenu(); } catch { } 67 68 // 由于压缩机设置不在菜单上，不需要再做 updatemenu 。 69 // 已后要做的 updatemenu 由于其中一个调用重置这些。 70 71 if (capture != null) 72 { 73 LoadCompressorSettings();//加载压缩机设置 74 } 75 } 76 77 78 #region 加载 79 //加载设备 80 protected void LoadDevices() 81 { 82 int x; 83 int iVideoDeviceIndex = -1; 84 int iAudioDeviceIndex = -1; 85 StringBuilder sbOut = new StringBuilder(500); 86 87 string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; 88 89 GetPrivateProfileString("Devices", "VideoDevice", "", sbOut, 500, sConfigFile); 90 91 if (sbOut.Length > 0) 92 { 93 for (x = 0; x < filters.VideoInputDevices.Count; x++) 94 { 95 if (filters.VideoInputDevices[x].Name == sbOut.ToString()) 96 { 97 iVideoDeviceIndex = x; 98 break; 99 } 100 } 101 } 102 103 GetPrivateProfileString("Devices", "AudioDevice", "", sbOut, 500, sConfigFile); 104 105 106 if (sbOut.Length > 0) 107 { 108 for (x = 0; x < filters.AudioInputDevices.Count; x++) 109 { 110 if (filters.AudioInputDevices[x].Name == sbOut.ToString()) 111 { 112 iAudioDeviceIndex = x; 113 break; 114 } 115 } 116 } 117 118 if ((iVideoDeviceIndex >= 0) || (iAudioDeviceIndex >= 0)) 119 { 120 Filter i, j; 121 122 if (iVideoDeviceIndex >= 0) 123 i = filters.VideoInputDevices[iVideoDeviceIndex]; 124 else 125 i = null; 126 127 if (iAudioDeviceIndex >= 0) 128 j = filters.AudioInputDevices[iAudioDeviceIndex]; 129 else 130 j = null; 131 132 capture = new 捕获(i, j); 133 134 capture.CaptureComplete += new EventHandler(OnCaptureComplete); 135 136 if (iVideoDeviceIndex >= 0) 137 { 138 GetPrivateProfileString("Devices", "VideoSource", "", sbOut, 500, sConfigFile); 139 140 for (x = 0; x < capture.VideoSources.Count; x++) 141 { 142 if (capture.VideoSources[x].Name == sbOut.ToString()) 143 { 144 capture.VideoSource = capture.VideoSources[x]; 145 break; 146 } 147 } 148 } 149 150 if (iAudioDeviceIndex >= 0) 151 { 152 GetPrivateProfileString("Devices", "AudioSource", "", sbOut, 500, sConfigFile); 153 154 for (x = 0; x < capture.AudioSources.Count; x++) 155 { 156 if (capture.AudioSources[x].Name == sbOut.ToString()) 157 { 158 capture.AudioSource = capture.AudioSources[x]; 159 break; 160 } 161 } 162 } 163 } 164 } 165 166 //加载设备设置 167 protected void LoadDeviceSettings() 168 { 169 StringBuilder sbOut = new StringBuilder(500); 170 string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; 171 172 if (capture.VideoDevice != null) 173 { 174 GetPrivateProfileString("DeviceSettings", "FrameRate", "", sbOut, 500, sConfigFile); 175 if (sbOut.Length > 0) 176 capture.FrameRate = Convert.ToDouble(sbOut.ToString()); 177 178 GetPrivateProfileString("DeviceSettings", "VideoWidth", "", sbOut, 500, sConfigFile); 179 if (sbOut.Length > 0) 180 { 181 Size size = new Size(Convert.ToInt32(sbOut.ToString()), 0); 182 183 GetPrivateProfileString("DeviceSettings", "VideoHeight", "", sbOut, 500, sConfigFile); 184 if (sbOut.Length > 0) 185 { 186 size.Height = Convert.ToInt32(sbOut.ToString()); 187 capture.FrameSize = size; 188 } 189 } 190 } 191 192 if (capture.AudioDevice != null) 193 { 194 GetPrivateProfileString("DeviceSettings", "AudioChannel", "", sbOut, 500, sConfigFile); 195 if (sbOut.Length > 0) 196 { 197 capture.AudioChannels = Convert.ToInt16(sbOut.ToString()); 198 } 199 200 GetPrivateProfileString("DeviceSettings", "AudioRate", "", sbOut, 500, sConfigFile); 201 if (sbOut.Length > 0) 202 { 203 capture.AudioSamplingRate = Convert.ToInt32(sbOut.ToString()); 204 } 205 206 GetPrivateProfileString("DeviceSettings", "AudioSize", "", sbOut, 500, sConfigFile); 207 if (sbOut.Length > 0) 208 { 209 capture.AudioSampleSize = Convert.ToInt16(sbOut.ToString()); 210 } 211 212 GetPrivateProfileString("DeviceSettings", "AudioChannel", "", sbOut, 500, sConfigFile); 213 if (sbOut.Length > 0) 214 { 215 capture.AudioChannels = Convert.ToInt16(sbOut.ToString()); 216 } 217 } 218 219 } 220 //加载压缩机 221 protected void LoadCompressors() 222 { 223 int x; 224 StringBuilder sbOut = new StringBuilder(500); 225 string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; 226 227 if (capture.VideoDevice != null) 228 { 229 GetPrivateProfileString("Compressor", "VideoCompressor", "", sbOut, 500, sConfigFile); 230 231 if (sbOut.Length > 0) 232 { 233 for (x = 0; x < filters.VideoCompressors.Count; x++) 234 { 235 if (filters.VideoCompressors[x].Name == sbOut.ToString()) 236 { 237 capture.VideoCompressor = filters.VideoCompressors[x]; 238 break; 239 } 240 } 241 } 242 } 243 244 if (capture.AudioDevice != null) 245 { 246 GetPrivateProfileString("Compressor", "AudioCompressor", "", sbOut, 500, sConfigFile); 247 248 for (x = 0; x < filters.AudioCompressors.Count; x++) 249 { 250 if (filters.AudioCompressors[x].Name == sbOut.ToString()) 251 { 252 capture.AudioCompressor = filters.AudioCompressors[x]; 253 break; 254 } 255 } 256 } 257 } 258 //加载压缩机设置 259 protected void LoadCompressorSettings() 260 { 261 StringBuilder sbOut = new StringBuilder(500); 262 string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; 263 264 if (capture.VideoCompressor != null) 265 { 266 try 267 { 268 VideoCompressorCaps i = capture.VideoCompressorCaps; 269 270 GetPrivateProfileString("Compressor", "KeyFrameRate", "", sbOut, 500, sConfigFile); 271 if (sbOut.Length > 0) 272 i.KeyFrameRate = Convert.ToInt32(sbOut.ToString()); 273 274 GetPrivateProfileString("Compressor", "PFrames", "", sbOut, 500, sConfigFile); 275 if (sbOut.Length > 0) 276 i.PFramesPerKeyFrame = Convert.ToInt32(sbOut.ToString()); 277 278 GetPrivateProfileString("Compressor", "WindowSize", "", sbOut, 500, sConfigFile); 279 if (sbOut.Length > 0) 280 i.WindowSize = Convert.ToInt64(sbOut.ToString()); 281 282 GetPrivateProfileString("Compressor", "Quality", "", sbOut, 500, sConfigFile); 283 if (sbOut.Length > 0) 284 i.Quality = Convert.ToInt32(sbOut.ToString()); 285 } 286 catch { } 287 } 288 } 289 290 //保存默认设置 "\\..\\Config.ini" 291 protected void SaveDefaults() 292 { 293 string sConfigFile = Application.LocalUserAppDataPath + "\\..\\Config.ini"; 294 295 if (capture != null) 296 { 297 if (capture.VideoDevice != null) 298 { 299 WritePrivateProfileString("Devices", "VideoDevice", capture.VideoDevice.Name, sConfigFile); 300 WritePrivateProfileString("DeviceSettings", "FrameRate", capture.FrameRate.ToString(), sConfigFile); 301 WritePrivateProfileString("DeviceSettings", "VideoWidth", capture.FrameSize.Width.ToString(), sConfigFile); 302 WritePrivateProfileString("DeviceSettings", "VideoHeight", capture.FrameSize.Height.ToString(), sConfigFile); 303 } 304 else 305 { 306 WritePrivateProfileString("Devices", "VideoDevice", "", sConfigFile); 307 WritePrivateProfileString("DeviceSettings", "FrameRate", "", sConfigFile); 308 WritePrivateProfileString("DeviceSettings", "VideoWidth", "", sConfigFile); 309 WritePrivateProfileString("DeviceSettings", "VideoHeight", "", sConfigFile); 310 } 311 if (capture.AudioDevice != null) 312 { 313 WritePrivateProfileString("Devices", "AudioDevice", capture.AudioDevice.Name, sConfigFile); 314 WritePrivateProfileString("DeviceSettings", "AudioChannel", capture.AudioChannels.ToString(), sConfigFile); 315 WritePrivateProfileString("DeviceSettings", "AudioRate", capture.AudioSamplingRate.ToString(), sConfigFile); 316 WritePrivateProfileString("DeviceSettings", "AudioSize", capture.AudioSampleSize.ToString(), sConfigFile); 317 } 318 else 319 { 320 WritePrivateProfileString("Devices", "AudioDevice", "", sConfigFile); 321 WritePrivateProfileString("DeviceSettings", "AudioChannel", "", sConfigFile); 322 WritePrivateProfileString("DeviceSettings", "AudioRate", "", sConfigFile); 323 WritePrivateProfileString("DeviceSettings", "AudioSize", "", sConfigFile); 324 } 325 if (capture.VideoCompressor != null) 326 { 327 WritePrivateProfileString("Compressor", "VideoCompressor", capture.VideoCompressor.Name, sConfigFile); 328 329 CompressionCaps i = CompressionCaps.None; 330 331 try 332 { 333 i = capture.VideoCompressorCaps.GetCaps; 334 } 335 catch { } 336 337 if ((i & CompressionCaps.CanKeyFrame) > 0) 338 WritePrivateProfileString("Compressor", "KeyFrameRate", capture.VideoCompressorCaps.KeyFrameRate.ToString(), sConfigFile); 339 340 if ((i & CompressionCaps.CanBFrame) > 0) 341 WritePrivateProfileString("Compressor", "PFrames", capture.VideoCompressorCaps.PFramesPerKeyFrame.ToString(), sConfigFile); 342 343 if ((i & CompressionCaps.CanWindow) > 0) 344 WritePrivateProfileString("Compressor", "WindowSize", capture.VideoCompressorCaps.WindowSize.ToString(), sConfigFile); 345 346 if ((i & CompressionCaps.CanQuality) > 0) 347 WritePrivateProfileString("Compressor", "Quality", capture.VideoCompressorCaps.Quality.ToString(), sConfigFile); 348 349 } 350 else 351 { 352 WritePrivateProfileString("Compressor", "VideoCompressor", "", sConfigFile); 353 WritePrivateProfileString("Compressor", "KeyFrameRate", "", sConfigFile); 354 WritePrivateProfileString("Compressor", "PFrames", "", sConfigFile); 355 WritePrivateProfileString("Compressor", "WindowSize", "", sConfigFile); 356 WritePrivateProfileString("Compressor", "Quality", "", sConfigFile); 357 } 358 if (capture.AudioCompressor != null) 359 { 360 WritePrivateProfileString("Compressor", "AudioCompressor", capture.AudioCompressor.Name, sConfigFile); 361 } 362 else 363 { 364 WritePrivateProfileString("Compressor", "AudioCompressor", "", sConfigFile); 365 } 366 if (capture.VideoSource != null) 367 { 368 WritePrivateProfileString("Devices", "VideoSource", capture.VideoSource.Name, sConfigFile); 369 } 370 else 371 { 372 WritePrivateProfileString("Devices", "VideoSource", "", sConfigFile); 373 } 374 if (capture.AudioSource != null) 375 { 376 WritePrivateProfileString("Devices", "AudioSource", capture.AudioSource.Name, sConfigFile); 377 } 378 else 379 { 380 WritePrivateProfileString("Devices", "AudioSource", "", sConfigFile); 381 } 382 383 #if DEBUG 384 foreach (PropertyPage p in capture.PropertyPages) 385 { 386 if (p.SupportsPersisting) 387 { 388 // Doesn't seem to work right 389 Debug.WriteLine(p.Name); 390 } 391 } 392 #endif 393 } 394 } 395 396 397 //更新主菜单中的许多有趣的工作，这个示例发生在这里 398 private void updateMenu() 399 { 400 MenuItem m; 401 Filter f; 402 Source s; 403 Source current;//当前 404 PropertyPage p; 405 Control oldPreviewWindow = null; 406 407 // 正确的长宽比 Correct aspect ratio 408 if ((capture != null) && (capture.VideoDevice != null)) 409 { 410 //帧大小 411 m_FrameSize = capture.FrameSize; 412 VideoWindowResize(); 413 } 414 415 // Give our window handle to the NotifyWindow so we'll get called about 416 // events of interest 417 if (capture != null) 418 { 419 mediaEvent = capture.MediaEventEx; 420 int hr = mediaEvent.SetNotifyWindow(this.Handle, WM_GRAPHNOTIFY, IntPtr.Zero); 421 } 422 423 btnCue.Enabled = capture != null; 424 btnStart.Enabled = capture != null; 425 426 // Disable preview to avoid additional flashes (optional) 427 if (capture != null) 428 { 429 oldPreviewWindow = capture.PreviewWindow; 430 capture.PreviewWindow = null; 431 } 432 433 // Load video devices 434 Filter videoDevice = null; 435 if (capture != null) 436 videoDevice = capture.VideoDevice; 437 mnuVideoDevices.MenuItems.Clear(); 438 m = new MenuItem("(None)", new EventHandler(mnuVideoDevices_Click)); 439 m.Checked = (videoDevice == null); 440 mnuVideoDevices.MenuItems.Add(m); 441 for (int c = 0; c < filters.VideoInputDevices.Count; c++) 442 { 443 f = filters.VideoInputDevices[c]; 444 m = new MenuItem(f.Name, new EventHandler(mnuVideoDevices_Click)); 445 m.Checked = (videoDevice == f); 446 mnuVideoDevices.MenuItems.Add(m); 447 } 448 mnuVideoDevices.Enabled = (filters.VideoInputDevices.Count > 0); 449 450 // Load audio devices 451 Filter audioDevice = null; 452 if (capture != null) 453 audioDevice = capture.AudioDevice; 454 mnuAudioDevices.MenuItems.Clear(); 455 m = new MenuItem("(None)", new EventHandler(mnuAudioDevices_Click)); 456 m.Checked = (audioDevice == null); 457 mnuAudioDevices.MenuItems.Add(m); 458 for (int c = 0; c < filters.AudioInputDevices.Count; c++) 459 { 460 f = filters.AudioInputDevices[c]; 461 m = new MenuItem(f.Name, new EventHandler(mnuAudioDevices_Click)); 462 m.Checked = (audioDevice == f); 463 mnuAudioDevices.MenuItems.Add(m); 464 } 465 mnuAudioDevices.Enabled = (filters.AudioInputDevices.Count > 0); 466 467 468 // Load video compressors 469 try 470 { 471 mnuVideoCompressors.MenuItems.Clear(); 472 m = new MenuItem("(None)", new EventHandler(mnuVideoCompressors_Click)); 473 m.Checked = (capture.VideoCompressor == null); 474 mnuVideoCompressors.MenuItems.Add(m); 475 for (int c = 0; c < filters.VideoCompressors.Count; c++) 476 { 477 f = filters.VideoCompressors[c]; 478 m = new MenuItem(f.Name, new EventHandler(mnuVideoCompressors_Click)); 479 m.Checked = (capture.VideoCompressor == f); 480 mnuVideoCompressors.MenuItems.Add(m); 481 } 482 mnuVideoCompressors.Enabled = ((capture.VideoDevice != null) && (filters.VideoCompressors.Count > 0)); 483 } 484 catch { mnuVideoCompressors.Enabled = false; } 485 486 try 487 { 488 // Only enable the video compression menu option if the compressor 489 // 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 490 mnuCompressionProps.Enabled = (capture.VideoCompressorCaps.GetCaps & 491 (CompressionCaps.CanBFrame | 492 CompressionCaps.CanKeyFrame | 493 CompressionCaps.CanQuality | 494 CompressionCaps.CanWindow)) > 0; 495 } 496 catch 497 { 498 mnuCompressionProps.Enabled = false; 499 } 500 501 // Load audio 压缩机(compressors) 502 try 503 { 504 mnuAudioCompressors.MenuItems.Clear(); 505 m = new MenuItem("(None)", new EventHandler(mnuAudioCompressors_Click)); 506 m.Checked = (capture.AudioCompressor == null); 507 mnuAudioCompressors.MenuItems.Add(m); 508 for (int c = 0; c < filters.AudioCompressors.Count; c++) 509 { 510 f = filters.AudioCompressors[c]; 511 m = new MenuItem(f.Name, new EventHandler(mnuAudioCompressors_Click)); 512 m.Checked = (capture.AudioCompressor == f); 513 mnuAudioCompressors.MenuItems.Add(m); 514 } 515 mnuAudioCompressors.Enabled = ((capture.AudioDevice != null) && (filters.AudioCompressors.Count > 0)); 516 } 517 catch { mnuAudioCompressors.Enabled = false; } 518 519 // Load video sources 520 try 521 { 522 mnuVideoSources.MenuItems.Clear(); 523 current = capture.VideoSource; 524 for (int c = 0; c < capture.VideoSources.Count; c++) 525 { 526 s = capture.VideoSources[c]; 527 m = new MenuItem(s.Name, new EventHandler(mnuVideoSources_Click)); 528 m.Checked = (current == s); 529 mnuVideoSources.MenuItems.Add(m); 530 } 531 mnuVideoSources.Enabled = (capture.VideoSources.Count > 0); 532 } 533 catch { mnuVideoSources.Enabled = false; } 534 535 // Load audio sources 536 try 537 { 538 mnuAudioSources.MenuItems.Clear(); 539 current = capture.AudioSource; 540 for (int c = 0; c < capture.AudioSources.Count; c++) 541 { 542 s = capture.AudioSources[c]; 543 m = new MenuItem(s.Name, new EventHandler(mnuAudioSources_Click)); 544 m.Checked = (current == s); 545 mnuAudioSources.MenuItems.Add(m); 546 } 547 mnuAudioSources.Enabled = (capture.AudioSources.Count > 0); 548 } 549 catch { mnuAudioSources.Enabled = false; } 550 551 // Load frame rates 552 try 553 { 554 mnuFrameRates.MenuItems.Clear(); 555 int frameRate = (int)(capture.FrameRate * 1000); 556 m = new MenuItem("15 fps", new EventHandler(mnuFrameRates_Click)); 557 m.Checked = (frameRate == 15000); 558 mnuFrameRates.MenuItems.Add(m); 559 m = new MenuItem("24 fps (Film)", new EventHandler(mnuFrameRates_Click)); 560 m.Checked = (frameRate == 24000); 561 mnuFrameRates.MenuItems.Add(m); 562 m = new MenuItem("25 fps (PAL)", new EventHandler(mnuFrameRates_Click)); 563 m.Checked = (frameRate == 25000); 564 mnuFrameRates.MenuItems.Add(m); 565 m = new MenuItem("29.997 fps (NTSC)", new EventHandler(mnuFrameRates_Click)); 566 m.Checked = (frameRate == 29997) || (frameRate == 29970); 567 mnuFrameRates.MenuItems.Add(m); 568 m = new MenuItem("30 fps (~NTSC)", new EventHandler(mnuFrameRates_Click)); 569 m.Checked = (frameRate == 30000); 570 mnuFrameRates.MenuItems.Add(m); 571 m = new MenuItem("59.994 fps (2xNTSC)", new EventHandler(mnuFrameRates_Click)); 572 m.Checked = (frameRate == 59994); 573 mnuFrameRates.MenuItems.Add(m); 574 mnuFrameRates.Enabled = true; 575 } 576 catch { mnuFrameRates.Enabled = false; } 577 578 // Load frame sizes 579 try 580 { 581 mnuFrameSizes.MenuItems.Clear(); 582 Size frameSize = capture.FrameSize; 583 m = new MenuItem("160 x 120", new EventHandler(mnuFrameSizes_Click)); 584 m.Checked = (frameSize == new Size(160, 120)); 585 mnuFrameSizes.MenuItems.Add(m); 586 m = new MenuItem("320 x 240", new EventHandler(mnuFrameSizes_Click)); 587 m.Checked = (frameSize == new Size(320, 240)); 588 mnuFrameSizes.MenuItems.Add(m); 589 m = new MenuItem("640 x 480", new EventHandler(mnuFrameSizes_Click)); 590 m.Checked = (frameSize == new Size(640, 480)); 591 mnuFrameSizes.MenuItems.Add(m); 592 m = new MenuItem("1024 x 768", new EventHandler(mnuFrameSizes_Click)); 593 m.Checked = (frameSize == new Size(1024, 768)); 594 mnuFrameSizes.MenuItems.Add(m); 595 mnuFrameSizes.Enabled = true; 596 } 597 catch { mnuFrameSizes.Enabled = false; } 598 599 // Load audio channels 600 try 601 { 602 mnuAudioChannels.MenuItems.Clear(); 603 short audioChannels = capture.AudioChannels; 604 m = new MenuItem("单声道 Mono", new EventHandler(mnuAudioChannels_Click)); 605 m.Checked = (audioChannels == 1); 606 mnuAudioChannels.MenuItems.Add(m); 607 m = new MenuItem("立体声 Stereo", new EventHandler(mnuAudioChannels_Click)); 608 m.Checked = (audioChannels == 2); 609 mnuAudioChannels.MenuItems.Add(m); 610 mnuAudioChannels.Enabled = true; 611 } 612 catch { mnuAudioChannels.Enabled = false; } 613 614 // Load音频采样率 Load audio sampling rate 615 try 616 { 617 mnuAudioSamplingRate.MenuItems.Clear(); 618 int samplingRate = capture.AudioSamplingRate; 619 m = new MenuItem("8 kHz", new EventHandler(mnuAudioSamplingRate_Click)); 620 m.Checked = (samplingRate == 8000); 621 mnuAudioSamplingRate.MenuItems.Add(m); 622 m = new MenuItem("11.025 kHz", new EventHandler(mnuAudioSamplingRate_Click)); 623 m.Checked = (capture.AudioSamplingRate == 11025); 624 mnuAudioSamplingRate.MenuItems.Add(m); 625 m = new MenuItem("22.05 kHz", new EventHandler(mnuAudioSamplingRate_Click)); 626 m.Checked = (capture.AudioSamplingRate == 22050); 627 mnuAudioSamplingRate.MenuItems.Add(m); 628 m = new MenuItem("44.1 kHz", new EventHandler(mnuAudioSamplingRate_Click)); 629 m.Checked = (capture.AudioSamplingRate == 44100); 630 mnuAudioSamplingRate.MenuItems.Add(m); 631 mnuAudioSamplingRate.Enabled = true; 632 } 633 catch { mnuAudioSamplingRate.Enabled = false; } 634 635 // 加载音频样本大小 Load audio sample sizes 636 try 637 { 638 mnuAudioSampleSizes.MenuItems.Clear(); 639 short sampleSize = capture.AudioSampleSize; 640 m = new MenuItem("8 bit", new EventHandler(mnuAudioSampleSizes_Click)); 641 m.Checked = (sampleSize == 8); 642 mnuAudioSampleSizes.MenuItems.Add(m); 643 m = new MenuItem("16 bit", new EventHandler(mnuAudioSampleSizes_Click)); 644 m.Checked = (sampleSize == 16); 645 mnuAudioSampleSizes.MenuItems.Add(m); 646 mnuAudioSampleSizes.Enabled = true; 647 } 648 catch { mnuAudioSampleSizes.Enabled = false; } 649 650 // 加载属性页 Load property pages 651 try 652 { 653 mnuPropertyPages.MenuItems.Clear(); 654 for (int c = 0; c < capture.PropertyPages.Count; c++) 655 { 656 p = capture.PropertyPages[c]; 657 m = new MenuItem(p.Name + "...", new EventHandler(mnuPropertyPages_Click)); 658 mnuPropertyPages.MenuItems.Add(m); 659 } 660 mnuPropertyPages.Enabled = (capture.PropertyPages.Count > 0); 661 } 662 catch { mnuPropertyPages.Enabled = false; } 663 664 // Load TV Tuner channels 665 try 666 { 667 mnuChannel.MenuItems.Clear(); 668 int channel = capture.Tuner.Channel; 669 for (int c = 1; c <= 31; c++) 670 { 671 m = new MenuItem(c.ToString(), new EventHandler(mnuChannel_Click)); 672 m.Checked = (channel == c); 673 mnuChannel.MenuItems.Add(m); 674 } 675 mnuChannel.Enabled = true; 676 } 677 catch { mnuChannel.Enabled = false; } 678 679 // Load TV Tuner input types 680 try 681 { 682 mnuInputType.MenuItems.Clear(); 683 m = new MenuItem(DirectX.Capture.TunerInputType.Cable.ToString(), new EventHandler(mnuInputType_Click)); 684 m.Checked = (capture.Tuner.InputType == DirectX.Capture.TunerInputType.Cable); 685 mnuInputType.MenuItems.Add(m); 686 m = new MenuItem(DirectX.Capture.TunerInputType.Antenna.ToString(), new EventHandler(mnuInputType_Click)); 687 m.Checked = (capture.Tuner.InputType == DirectX.Capture.TunerInputType.Antenna); 688 mnuInputType.MenuItems.Add(m); 689 mnuInputType.Enabled = true; 690 } 691 catch { mnuInputType.Enabled = false; } 692 693 // Enable/disable caps 694 mnuVideoCaps.Enabled = ((capture != null) && (capture.VideoCaps != null)); 695 mnuAudioCaps.Enabled = ((capture != null) && (capture.AudioCaps != null)); 696 697 // Check Preview menu option 698 mnuPreview.Checked = (oldPreviewWindow != null); 699 mnuPreview.Enabled = (capture != null); 700 701 // Reenable preview if it was enabled before 702 if (capture != null) 703 capture.PreviewWindow = oldPreviewWindow; 704 } 705 #endregion 加载 706 707 #region 方法 708 709 private void Stop() 710 { 711 try 712 { 713 ShowDropped(); 714 capture.Stop(); 715 btnCue.Enabled = true; 716 btnStart.Enabled = true; 717 btnStop.Enabled = false; 718 txtFilename.Enabled = true; 719 btnStart.Select(); 720 } 721 catch (Exception ex) 722 { 723 MessageBox.Show(ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 724 } 725 } 726 727 private void VideoWindowResize() 728 { 729 if ((capture != null) && (m_FrameSize.Width > 0)) 730 { 731 Size ns; 732 733 int iMaxHeight = Math.Min(m_FrameSize.Height, groupBox1.Height - 9); //不要践踏我们的分组框的边界 Don't trample the borders 734 int iMaxWidth = Math.Min(m_FrameSize.Width, groupBox1.Width - 4); // of our GroupBox 735 736 int t2 = (iMaxWidth * m_FrameSize.Height) / m_FrameSize.Width; 737 738 // Which proportion do we need to limit? 739 if (t2 > iMaxHeight) 740 { 741 int t1 = (iMaxHeight * m_FrameSize.Width) / m_FrameSize.Height; 742 ns = new Size(t1, iMaxHeight); 743 } 744 else 745 { 746 ns = new Size(iMaxWidth, t2); 747 } 748 panelVideo.Size = ns; 749 } 750 } 751 752 // 更新 捕获/下降/时间字段的查询捕获装置 753 //Update the Capture/Dropped/Duration fields by quering the capture device 754 private void ShowDropped() 755 { 756 TimeSpan duDuration; 757 long iCurDropped = capture.DroppedVideoFrames; 758 long iCaptured = capture.CapturedVideoFrames; 759 760 if (iCurDropped >= 0) 761 txtDroppedFrames.Text = (iCurDropped - iDroppedBefore).ToString(); 762 763 if (iCaptured > 0) 764 txtCapturedFrames.Text = iCaptured.ToString(); 765 766 duDuration = DateTime.Now - dtBefore; 767 txtDuration.Text = duDuration.ToString(); 768 } 769 770 #endregion 方法 771 772 #region 菜单事件 773 774 775 private void mnuVideoDevices_Click(object sender, System.EventArgs e) 776 { 777 try 778 { 779 // 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。 780 // Get current devices and dispose of capture object 781 // because the video and audio device can only be changed 782 // by creating a new Capture object. 783 Filter videoDevice = null; 784 Filter audioDevice = null; 785 if (capture != null) 786 { 787 videoDevice = capture.VideoDevice; 788 audioDevice = capture.AudioDevice; 789 capture.Dispose(); 790 capture = null; 791 } 792 793 // Get new video device 794 MenuItem m = sender as MenuItem; 795 videoDevice = (m.Index > 0 ? filters.VideoInputDevices[m.Index - 1] : null); 796 797 // Create capture object 798 if ((videoDevice != null) || (audioDevice != null)) 799 { 800 capture = new 捕获(videoDevice, audioDevice); 801 capture.CaptureComplete += new EventHandler(OnCaptureComplete); 802 } 803 804 // Update the menu 805 updateMenu(); 806 } 807 catch (Exception ex) 808 { 809 MessageBox.Show("视频设备不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 810 } 811 } 812 813 private void mnuAudioDevices_Click(object sender, System.EventArgs e) 814 { 815 try 816 { 817 // Get current devices and dispose of capture object 818 // because the video and audio device can only be changed 819 // by creating a new Capture object. 820 Filter videoDevice = null; 821 Filter audioDevice = null; 822 Filter videoCompressor = null; 823 if (capture != null) 824 { 825 videoDevice = capture.VideoDevice; 826 audioDevice = capture.AudioDevice; 827 videoCompressor = capture.VideoCompressor; 828 capture.Dispose(); 829 capture = null; 830 } 831 832 // Get new audio device 833 MenuItem m = sender as MenuItem; 834 audioDevice = (m.Index > 0 ? filters.AudioInputDevices[m.Index - 1] : null); 835 836 // Create capture object 837 if ((videoDevice != null) || (audioDevice != null)) 838 { 839 capture = new 捕获(videoDevice, audioDevice); 840 capture.CaptureComplete += new EventHandler(OnCaptureComplete); 841 } 842 843 capture.VideoCompressor = videoCompressor; 844 845 // Update the menu 846 updateMenu(); 847 } 848 catch (Exception ex) 849 { 850 MessageBox.Show("音频设备不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 851 } 852 } 853 854 private void mnuVideoCompressors_Click(object sender, System.EventArgs e) 855 { 856 try 857 { 858 // Change the video compressor 859 // We subtract 1 from m.Index beacuse the first item is (None) 860 MenuItem m = sender as MenuItem; 861 capture.VideoCompressor = (m.Index > 0 ? filters.VideoCompressors[m.Index - 1] : null); 862 updateMenu(); 863 } 864 catch (Exception ex) 865 { 866 MessageBox.Show("视频压缩不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 867 } 868 869 } 870 871 private void mnuAudioCompressors_Click(object sender, System.EventArgs e) 872 { 873 try 874 { 875 // Change the audio compressor 876 // We subtract 1 from m.Index beacuse the first item is (None) 877 MenuItem m = sender as MenuItem; 878 capture.AudioCompressor = (m.Index > 0 ? filters.AudioCompressors[m.Index - 1] : null); 879 updateMenu(); 880 } 881 catch (Exception ex) 882 { 883 MessageBox.Show("音频压缩不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 884 } 885 } 886 887 private void mnuVideoSources_Click(object sender, System.EventArgs e) 888 { 889 try 890 { 891 // Choose the video source 892 // If the device only has one source, this menu item will be disabled 893 MenuItem m = sender as MenuItem; 894 capture.VideoSource = capture.VideoSources[m.Index]; 895 updateMenu(); 896 } 897 catch (Exception ex) 898 { 899 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); 900 } 901 } 902 903 private void mnuAudioSources_Click(object sender, System.EventArgs e) 904 { 905 try 906 { 907 // Choose the audio source 908 // If the device only has one source, this menu item will be disabled 909 MenuItem m = sender as MenuItem; 910 capture.AudioSource = capture.AudioSources[m.Index]; 911 updateMenu(); 912 } 913 catch (Exception ex) 914 { 915 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); 916 } 917 } 918 919 920 private void mnuExit_Click(object sender, System.EventArgs e) 921 { 922 if (capture != null) 923 capture.Stop(); 924 Application.Exit(); 925 } 926 927 private void mnuFrameSizes_Click(object sender, System.EventArgs e) 928 { 929 try 930 { 931 // Disable preview to avoid additional flashes (optional) 932 bool preview = (capture.PreviewWindow != null); 933 capture.PreviewWindow = null; 934 935 // Update the frame size 936 MenuItem m = sender as MenuItem; 937 string[] s = m.Text.Split('x'); 938 Size size = new Size(int.Parse(s[0]), int.Parse(s[1])); 939 capture.FrameSize = size; 940 941 // Update the menu 942 updateMenu(); 943 944 // Restore previous preview setting 945 capture.PreviewWindow = (preview ? panelVideo : null); 946 } 947 catch (Exception ex) 948 { 949 MessageBox.Show("帧大小不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 950 } 951 } 952 953 private void mnuFrameRates_Click(object sender, System.EventArgs e) 954 { 955 try 956 { 957 MenuItem m = sender as MenuItem; 958 string[] s = m.Text.Split(' '); 959 capture.FrameRate = double.Parse(s[0]); 960 updateMenu(); 961 } 962 catch (Exception ex) 963 { 964 MessageBox.Show("不支持的帧速率.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 965 } 966 } 967 968 private void mnuAudioChannels_Click(object sender, System.EventArgs e) 969 { 970 try 971 { 972 MenuItem m = sender as MenuItem; 973 capture.AudioChannels = (short)Math.Pow(2, m.Index); 974 updateMenu(); 975 } 976 catch (Exception ex) 977 { 978 MessageBox.Show("不支持的音频信道数.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 979 } 980 } 981 982 private void mnuAudioSamplingRate_Click(object sender, System.EventArgs e) 983 { 984 try 985 { 986 MenuItem m = sender as MenuItem; 987 string[] s = m.Text.Split(' '); 988 int samplingRate = (int)(double.Parse(s[0]) * 1000); 989 capture.AudioSamplingRate = samplingRate; 990 updateMenu(); 991 } 992 catch (Exception ex) 993 { 994 MessageBox.Show("不支持音频采样率.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 995 } 996 } 997 998 private void mnuAudioSampleSizes_Click(object sender, System.EventArgs e) 999 { 1000 try 1001 { 1002 MenuItem m = sender as MenuItem; 1003 string[] s = m.Text.Split(' '); 1004 short sampleSize = short.Parse(s[0]); 1005 capture.AudioSampleSize = sampleSize; 1006 updateMenu(); 1007 } 1008 catch (Exception ex) 1009 { 1010 MessageBox.Show("音频样本大小不支持.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 1011 } 1012 } 1013 1014 private void mnuPreview_Click(object sender, System.EventArgs e) 1015 { 1016 try 1017 { 1018 if (capture.PreviewWindow == null) 1019 { 1020 capture.PreviewWindow = panelVideo; 1021 mnuPreview.Checked = true; 1022 } 1023 else 1024 { 1025 capture.PreviewWindow = null; 1026 mnuPreview.Checked = false; 1027 } 1028 } 1029 catch (Exception ex) 1030 { 1031 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); 1032 } 1033 } 1034 1035 private void mnuPropertyPages_Click(object sender, System.EventArgs e) 1036 { 1037 try 1038 { 1039 MenuItem m = sender as MenuItem; 1040 capture.PropertyPages[m.Index].Show(this); 1041 updateMenu(); 1042 } 1043 catch (Exception ex) 1044 { 1045 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); 1046 } 1047 } 1048 1049 private void mnuChannel_Click(object sender, System.EventArgs e) 1050 { 1051 try 1052 { 1053 MenuItem m = sender as MenuItem; 1054 capture.Tuner.Channel = m.Index + 1; 1055 updateMenu(); 1056 } 1057 catch (Exception ex) 1058 { 1059 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); 1060 } 1061 } 1062 1063 private void mnuInputType_Click(object sender, System.EventArgs e) 1064 { 1065 try 1066 { 1067 MenuItem m = sender as MenuItem; 1068 capture.Tuner.InputType = (DirectX.Capture.TunerInputType)m.Index; 1069 updateMenu(); 1070 } 1071 catch (Exception ex) 1072 { 1073 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); 1074 } 1075 } 1076 1077 private void mnuVideoCaps_Click(object sender, System.EventArgs e) 1078 { 1079 try 1080 { 1081 string s; 1082 s = String.Format( 1083 "输入尺寸:\t\t{0} x {1}\n" + 1084 "\n" + 1085 "最小帧长度:\t\t{2} x {3}\n" +//最小帧长度 1086 "最大帧长度:\t\t{4} x {5}\n" +//最大帧长度 1087 "帧尺寸粒度 X:\t{6}\n" +//帧大小粒度 1088 "帧尺寸粒度 Y:\t{7}\n" + 1089 "\n" + 1090 "最小帧速率:\t\t{8:0.000} fps\n" +//最小帧速率 1091 "最大帧速率:\t\t{9:0.000} fps\n", 1092 capture.VideoCaps.InputSize.Width, capture.VideoCaps.InputSize.Height, 1093 capture.VideoCaps.MinFrameSize.Width, capture.VideoCaps.MinFrameSize.Height, 1094 capture.VideoCaps.MaxFrameSize.Width, capture.VideoCaps.MaxFrameSize.Height, 1095 capture.VideoCaps.FrameSizeGranularityX, 1096 capture.VideoCaps.FrameSizeGranularityY, 1097 capture.VideoCaps.MinFrameRate, 1098 capture.VideoCaps.MaxFrameRate); 1099 MessageBox.Show(s, "视频设备能力", MessageBoxButtons.OK, MessageBoxIcon.Information); 1100 1101 } 1102 catch (Exception ex) 1103 { 1104 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); 1105 } 1106 } 1107 1108 private void mnuAudioCaps_Click(object sender, System.EventArgs e) 1109 { 1110 try 1111 { 1112 string s; 1113 s = String.Format( 1114 "Min Channels:\t\t{0}\n" + 1115 "Max Channels:\t\t{1}\n" + 1116 "Channels Granularity:\t{2}\n" + 1117 "\n" + 1118 "Min Sample Size:\t\t{3}\n" + 1119 "Max Sample Size:\t\t{4}\n" + 1120 "Sample Size Granularity:\t{5}\n" + 1121 "\n" + 1122 "Min Sampling Rate:\t\t{6}\n" + 1123 "Max Sampling Rate:\t\t{7}\n" + 1124 "Sampling Rate Granularity:\t{8}\n", 1125 capture.AudioCaps.MinimumChannels, 1126 capture.AudioCaps.MaximumChannels, 1127 capture.AudioCaps.ChannelsGranularity, 1128 capture.AudioCaps.MinimumSampleSize, 1129 capture.AudioCaps.MaximumSampleSize, 1130 capture.AudioCaps.SampleSizeGranularity, 1131 capture.AudioCaps.MinimumSamplingRate, 1132 capture.AudioCaps.MaximumSamplingRate, 1133 capture.AudioCaps.SamplingRateGranularity); 1134 MessageBox.Show(s, "音频设备能力", MessageBoxButtons.OK, MessageBoxIcon.Information); 1135 1136 } 1137 catch (Exception ex) 1138 { 1139 MessageBox.Show("Unable display audio capabilities. Please submit a bug report.\n\n" + ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 1140 } 1141 } 1142 1143 // 单击“菜单”选项显示压缩机属性 On clicking the menu option to display Compressor Properties 1144 private void mnuCompressionProps_Click(object sender, System.EventArgs e) 1145 { 1146 // Prepare to show the form 1147 CompressionProps m = new CompressionProps(); 1148 1149 // Read what compression capabilities are available 1150 CompressionCaps i = capture.VideoCompressorCaps.GetCaps; 1151 1152 bool bSet = (i & CompressionCaps.CanKeyFrame) > 0; 1153 1154 // Enable the available keyframe controls 1155 m.txtKeyFrame.Enabled = bSet; 1156 m.labKeyFrame.Enabled = bSet; 1157 m.chkKeyFrame.Enabled = bSet; 1158 1159 // copy in the default values 1160 if (bSet) 1161 { 1162 long v = capture.VideoCompressorCaps.KeyFrameRate; 1163 1164 // Using default? 1165 if (v < 0) 1166 { 1167 m.txtKeyFrame.Text = ""; 1168 m.chkKeyFrame.Checked = true; 1169 m.txtKeyFrame.Enabled = false; 1170 } 1171 else 1172 { 1173 m.txtKeyFrame.Text = v.ToString(); 1174 m.chkKeyFrame.Checked = false; 1175 } 1176 } 1177 1178 bSet = (i & CompressionCaps.CanBFrame) > 0; 1179 1180 // Enable the available PFrames controls 1181 m.txtPFrames.Enabled = bSet; 1182 m.labPFrames.Enabled = bSet; 1183 m.chkPFrames.Enabled = bSet; 1184 if (bSet) 1185 { 1186 long v = capture.VideoCompressorCaps.PFramesPerKeyFrame; 1187 1188 // Using default? 1189 if (v < 0) 1190 { 1191 m.txtPFrames.Text = ""; 1192 m.chkPFrames.Checked = true; 1193 m.txtPFrames.Enabled = false; 1194 } 1195 else 1196 { 1197 m.txtPFrames.Text = v.ToString(); 1198 m.chkPFrames.Checked = false; 1199 } 1200 } 1201 1202 bSet = (i & CompressionCaps.CanWindow) > 0; 1203 1204 // Enable the available WindowSize controls 1205 m.txtWindowSize.Enabled = bSet; 1206 m.labWindowSize.Enabled = bSet; 1207 m.chkWindowSize.Enabled = bSet; 1208 m.chkWindowSize.Checked = false; 1209 1210 if (bSet) 1211 { 1212 m.txtWindowSize.Text = capture.VideoCompressorCaps.WindowSize.ToString(); 1213 } 1214 1215 bSet = (i & CompressionCaps.CanQuality) > 0; 1216 1217 // Enable the available Quality controls 1218 m.txtQuality.Enabled = bSet; 1219 m.trkQuality.Enabled = bSet; 1220 m.labQuality.Enabled = bSet; 1221 m.chkQuality.Enabled = bSet; 1222 if (bSet) 1223 { 1224 long v = capture.VideoCompressorCaps.Quality; 1225 1226 // Using default? 1227 if (v < 0) 1228 { 1229 m.txtQuality.Text = ""; 1230 m.chkQuality.Checked = true; 1231 m.trkQuality.Value = 0; 1232 m.trkQuality.Enabled = false; 1233 m.txtQuality.Enabled = false; 1234 } 1235 else 1236 { 1237 m.txtQuality.Text = v.ToString(); 1238 m.chkQuality.Checked = false; 1239 m.trkQuality.Value = capture.VideoCompressorCaps.Quality; 1240 } 1241 } 1242 1243 // Display the form 1244 DialogResult a = m.ShowDialog(this); 1245 1246 // If the user clicked OK, set the values they specified 1247 if (DialogResult.OK == a) 1248 { 1249 if ((i & CompressionCaps.CanKeyFrame) > 0) 1250 { 1251 int v; 1252 if (m.chkKeyFrame.Checked) 1253 { 1254 // Use default 1255 v = -1; 1256 } 1257 else 1258 { 1259 v = Convert.ToInt32(m.txtKeyFrame.Text); 1260 } 1261 capture.VideoCompressorCaps.KeyFrameRate = v; 1262 } 1263 1264 if ((i & CompressionCaps.CanBFrame) > 0) 1265 { 1266 int v; 1267 if (m.chkPFrames.Checked) 1268 { 1269 // Use default 1270 v = -1; 1271 } 1272 else 1273 { 1274 v = Convert.ToInt32(m.txtPFrames.Text); 1275 } 1276 capture.VideoCompressorCaps.PFramesPerKeyFrame = v; 1277 } 1278 1279 if ((i & CompressionCaps.CanWindow) > 0) 1280 { 1281 long v; 1282 if (m.chkWindowSize.Checked) 1283 { 1284 // Use default 1285 v = 1; 1286 } 1287 else 1288 { 1289 v = Convert.ToInt64(m.txtWindowSize.Text); 1290 } 1291 capture.VideoCompressorCaps.WindowSize = v; 1292 } 1293 1294 if ((i & CompressionCaps.CanQuality) > 0) 1295 { 1296 int v; 1297 1298 if (m.chkQuality.Checked) 1299 { 1300 // Use default 1301 v = -1; 1302 } 1303 else 1304 { 1305 v = Convert.ToInt32(m.txtQuality.Text); 1306 } 1307 capture.VideoCompressorCaps.Quality = v; 1308 } 1309 } 1310 } 1311 1312 #endregion 菜单事件 1313 1314 #region 事件 1315 1316 1317 private void btnExit_Click(object sender, System.EventArgs e) 1318 { 1319 if (capture != null) 1320 { 1321 capture.Stop(); 1322 SaveDefaults(); 1323 } 1324 Application.Exit(); 1325 } 1326 1327 private void btnCue_Click(object sender, System.EventArgs e) 1328 { 1329 try 1330 { 1331 if (capture == null) 1332 throw new ApplicationException("请选择一个视频和/或音频设备."); 1333 if (!capture.Cued) 1334 capture.Filename = txtFilename.Text; 1335 1336 CaptureResult = 0; 1337 txtDroppedFrames.Text = "0"; 1338 txtCapturedFrames.Text = "0"; 1339 txtDuration.Text = ""; 1340 txtFilename.Enabled = false; 1341 1342 capture.Cue(); 1343 capture.PreSize(Convert.ToInt64(txtPreSize.Text) * 1024000); 1344 1345 btnCue.Enabled = false; 1346 btnStop.Enabled = true; 1347 //“使用cue() 先于 start() 做的所有准备工作， 1348 //需要做的事开始捕捉。现在，当您单击“开始”时， 1349 //捕获的速度将比您刚刚单击“启动”开始的速度更快。 1350 //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。 1351 MessageBox.Show("Use Cue() before Start() to " + 1352 "do all the preparation work that needs to be done to start a " + 1353 "capture. Now, when you click Start the capture will begin faster " + 1354 "than if you had just clicked Start. Using Cue() is completely " + 1355 "optional. The downside to using Cue() is the preview is disabled until " + 1356 "the capture begins.", "Ready to Capture", MessageBoxButtons.OK, MessageBoxIcon.Information); 1357 btnStart.Select(); 1358 } 1359 catch (Exception ex) 1360 { 1361 MessageBox.Show(ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 1362 } 1363 } 1364 1365 private void btnStart_Click(object sender, System.EventArgs e) 1366 { 1367 try 1368 { 1369 if (capture == null) 1370 throw new ApplicationException("请选择一个视频和/或音频设备。"); 1371 if (!capture.Cued) 1372 capture.Filename = txtFilename.Text; 1373 1374 CaptureResult = 0; 1375 iDroppedBefore = capture.DroppedVideoFrames; 1376 dtBefore = DateTime.Now; 1377 txtDroppedFrames.Text = "0"; 1378 txtCapturedFrames.Text = "0"; 1379 txtDuration.Text = ""; 1380 txtFilename.Enabled = false; 1381 capture.Start(); 1382 tmrTime1.Enabled = true; 1383 btnCue.Enabled = false; 1384 btnStart.Enabled = false; 1385 btnStop.Enabled = true; 1386 btnStop.Select(); 1387 } 1388 catch (Exception ex) 1389 { 1390 MessageBox.Show(ex.Message + "\n\n" + ex.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 1391 } 1392 } 1393 1394 private void btnStop_Click(object sender, System.EventArgs e) 1395 { 1396 Stop(); 1397 } 1398 1399 1400 private void OnCaptureComplete(object sender, EventArgs e) 1401 { 1402 // 显示捕获捕获完成事件 Demonstrate the Capture.CaptureComplete event. 1403 tmrTime1.Enabled = false; 1404 1405 // 如果窗口消息处理程序中止了我们… If the windows message handler aborted us... 1406 if (CaptureResult != 0)//捕获的结果 1407 MessageBox.Show("Capture Error 0x" + CaptureResult.ToString("x"), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error); 1408 } 1409 1410 // Update the Captured/Dropped fields while capturing 1411 private void tmrTime1_Tick(Object myObject, EventArgs myEventArgs) 1412 { 1413 if (CaptureResult == 0) 1414 { 1415 ShowDropped(); 1416 } 1417 else 1418 { 1419 Stop(); 1420 } 1421 } 1422 1423 1424 private void groupBox1_Resize(object sender, System.EventArgs e) 1425 { 1426 VideoWindowResize(); 1427 } 1428 1429 #endregion 事件 1430 // http://www.cnblogs.com/endv/p/6052511.html 1431 1432 #region private 1433 private System.Windows.Forms.TextBox txtFilename; 1434 private System.Windows.Forms.Label label1; 1435 private System.Windows.Forms.Button btnStart; 1436 private System.Windows.Forms.Button btnStop; 1437 private System.Windows.Forms.Button btnExit; 1438 private System.Windows.Forms.MenuItem menuItem1; 1439 private System.Windows.Forms.MenuItem menuItem7; 1440 private System.Windows.Forms.MainMenu mainMenu; 1441 private System.Windows.Forms.MenuItem mnuExit; 1442 private System.Windows.Forms.MenuItem mnuDevices; 1443 private System.Windows.Forms.MenuItem mnuVideoDevices; 1444 private System.Windows.Forms.MenuItem mnuAudioDevices; 1445 private System.Windows.Forms.MenuItem mnuVideoCompressors; 1446 private System.Windows.Forms.MenuItem mnuAudioCompressors; 1447 private System.Windows.Forms.MenuItem mnuVideoSources; 1448 private System.Windows.Forms.MenuItem mnuAudioSources; 1449 private System.Windows.Forms.Panel panelVideo; 1450 private System.Windows.Forms.MenuItem menuItem4; 1451 private System.Windows.Forms.MenuItem mnuAudioChannels; 1452 private System.Windows.Forms.MenuItem mnuAudioSamplingRate; 1453 private System.Windows.Forms.MenuItem mnuAudioSampleSizes; 1454 private System.Windows.Forms.MenuItem menuItem5; 1455 private System.Windows.Forms.MenuItem mnuFrameSizes; 1456 private System.Windows.Forms.MenuItem mnuFrameRates; 1457 private System.Windows.Forms.Button btnCue; 1458 private System.Windows.Forms.MenuItem menuItem6; 1459 private System.Windows.Forms.MenuItem mnuPreview; 1460 private System.Windows.Forms.MenuItem menuItem8; 1461 private System.Windows.Forms.MenuItem mnuPropertyPages; 1462 private System.Windows.Forms.MenuItem mnuVideoCaps; 1463 private System.Windows.Forms.MenuItem mnuAudioCaps; 1464 private System.Windows.Forms.MenuItem mnuChannel; 1465 private System.Windows.Forms.MenuItem menuItem3; 1466 private System.Windows.Forms.MenuItem mnuInputType; 1467 private System.Windows.Forms.TextBox txtDroppedFrames; 1468 private System.Windows.Forms.Label label2; 1469 private System.Windows.Forms.Timer tmrTime1; 1470 private System.Windows.Forms.Label label3; 1471 private System.Windows.Forms.TextBox txtDuration; 1472 private System.Windows.Forms.Label label4; 1473 private System.Windows.Forms.TextBox txtCapturedFrames; 1474 private System.Windows.Forms.MenuItem mnuCompressionProps; 1475 private System.Windows.Forms.GroupBox groupBox1; 1476 private System.Windows.Forms.Label label5; 1477 private System.Windows.Forms.TextBox txtPreSize; 1478 private System.ComponentModel.IContainer components; 1479 #endregion private 1480 1481 /// 1482 /// Clean up any resources being used. 1483 /// 1484 protected override void Dispose(bool disposing) 1485 { 1486 if (disposing) 1487 { 1488 if (components != null) 1489 { 1490 components.Dispose(); 1491 } 1492 } 1493 base.Dispose(disposing); 1494 } 1495 // 媒体事件发送使用Windows消息 Media events are sent to use as windows messages 1496 protected override void WndProc(ref Message m) 1497 { 1498 switch (m.Msg) 1499 { 1500 // If this is a windows media message 1501 case WM_GRAPHNOTIFY: 1502 EventCode eventCode;//捕获已中止？ 1503 IntPtr p1, p2; 1504 int hr; 1505 1506 hr = mediaEvent.GetEvent(out eventCode, out p1, out p2, 0); 1507 while (hr == 0) 1508 { 1509 // 处理事件 1510 // 捕获已中止 The capture has been aborted 1511 if (eventCode == EventCode.ErrorAbort) 1512 { 1513 CaptureResult = p1.ToInt32(); 1514 } 1515 1516 // 释放参数 1517 mediaEvent.FreeEventParams(eventCode, p1, p2); 1518 1519 // 1520 // 检查附加事件 check for additional events 1521 hr = mediaEvent.GetEvent(out eventCode, out p1, out p2, 0); 1522 } 1523 break; 1524 1525 // 所有其它的消息 All other messages 1526 default: 1527 // 未经处理的窗口消息 unhandled window message 1528 base.WndProc(ref m); 1529 break; 1530 } 1531 } 1532 1533 1534 #region Windows Form Designer generated code 1535 /// 1536 /// Required method for Designer support - do not modify 1537 /// the contents of this method with the code editor. 1538 /// 1539 private void InitializeComponent() 1540 { // http://www.cnblogs.com/endv/p/6052511.html 1541 1542 this.components = new System.ComponentModel.Container(); 1543 this.txtFilename = new System.Windows.Forms.TextBox(); 1544 this.label1 = new System.Windows.Forms.Label(); 1545 this.btnStart = new System.Windows.Forms.Button(); 1546 this.btnStop = new System.Windows.Forms.Button(); 1547 this.btnExit = new System.Windows.Forms.Button(); 1548 this.mainMenu = new System.Windows.Forms.MainMenu(this.components); 1549 this.menuItem1 = new System.Windows.Forms.MenuItem(); 1550 this.mnuExit = new System.Windows.Forms.MenuItem(); 1551 this.mnuDevices = new System.Windows.Forms.MenuItem(); 1552 this.mnuVideoDevices = new System.Windows.Forms.MenuItem(); 1553 this.mnuAudioDevices = new System.Windows.Forms.MenuItem(); 1554 this.menuItem4 = new System.Windows.Forms.MenuItem(); 1555 this.mnuVideoCompressors = new System.Windows.Forms.MenuItem(); 1556 this.mnuAudioCompressors = new System.Windows.Forms.MenuItem(); 1557 this.menuItem7 = new System.Windows.Forms.MenuItem(); 1558 this.mnuVideoSources = new System.Windows.Forms.MenuItem(); 1559 this.mnuFrameSizes = new System.Windows.Forms.MenuItem(); 1560 this.mnuFrameRates = new System.Windows.Forms.MenuItem(); 1561 this.mnuVideoCaps = new System.Windows.Forms.MenuItem(); 1562 this.menuItem5 = new System.Windows.Forms.MenuItem(); 1563 this.mnuAudioSources = new System.Windows.Forms.MenuItem(); 1564 this.mnuAudioChannels = new System.Windows.Forms.MenuItem(); 1565 this.mnuAudioSamplingRate = new System.Windows.Forms.MenuItem(); 1566 this.mnuAudioSampleSizes = new System.Windows.Forms.MenuItem(); 1567 this.mnuAudioCaps = new System.Windows.Forms.MenuItem(); 1568 this.menuItem3 = new System.Windows.Forms.MenuItem(); 1569 this.mnuChannel = new System.Windows.Forms.MenuItem(); 1570 this.mnuInputType = new System.Windows.Forms.MenuItem(); 1571 this.menuItem6 = new System.Windows.Forms.MenuItem(); 1572 this.mnuCompressionProps = new System.Windows.Forms.MenuItem(); 1573 this.mnuPropertyPages = new System.Windows.Forms.MenuItem(); 1574 this.menuItem8 = new System.Windows.Forms.MenuItem(); 1575 this.mnuPreview = new System.Windows.Forms.MenuItem(); 1576 this.panelVideo = new System.Windows.Forms.Panel(); 1577 this.btnCue = new System.Windows.Forms.Button(); 1578 this.txtDroppedFrames = new System.Windows.Forms.TextBox(); 1579 this.label2 = new System.Windows.Forms.Label(); 1580 this.tmrTime1 = new System.Windows.Forms.Timer(this.components); 1581 this.txtDuration = new System.Windows.Forms.TextBox(); 1582 this.label3 = new System.Windows.Forms.Label(); 1583 this.label4 = new System.Windows.Forms.Label(); 1584 this.txtCapturedFrames = new System.Windows.Forms.TextBox(); 1585 this.groupBox1 = new System.Windows.Forms.GroupBox(); 1586 this.txtPreSize = new System.Windows.Forms.TextBox(); 1587 this.label5 = new System.Windows.Forms.Label(); 1588 this.groupBox1.SuspendLayout(); 1589 this.SuspendLayout(); 1590 // 1591 // txtFilename 1592 // 1593 this.txtFilename.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1594 this.txtFilename.Location = new System.Drawing.Point(239, 330); 1595 this.txtFilename.Name = "txtFilename"; 1596 this.txtFilename.Size = new System.Drawing.Size(182, 21); 1597 this.txtFilename.TabIndex = 0; 1598 this.txtFilename.Text = "test.avi"; 1599 // 1600 // label1 1601 // 1602 this.label1.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1603 this.label1.Location = new System.Drawing.Point(172, 330); 1604 this.label1.Name = "label1"; 1605 this.label1.Size = new System.Drawing.Size(76, 17); 1606 this.label1.TabIndex = 1; 1607 this.label1.Text = "文件名:"; 1608 // 1609 // btnStart 1610 // 1611 this.btnStart.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1612 this.btnStart.Location = new System.Drawing.Point(258, 364); 1613 this.btnStart.Name = "btnStart"; 1614 this.btnStart.Size = new System.Drawing.Size(77, 26); 1615 this.btnStart.TabIndex = 2; 1616 this.btnStart.Text = "开始"; 1617 this.btnStart.Click += new System.EventHandler(this.btnStart_Click); 1618 // 1619 // btnStop 1620 // 1621 this.btnStop.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1622 this.btnStop.Enabled = false; 1623 this.btnStop.Location = new System.Drawing.Point(344, 364); 1624 this.btnStop.Name = "btnStop"; 1625 this.btnStop.Size = new System.Drawing.Size(77, 26); 1626 this.btnStop.TabIndex = 3; 1627 this.btnStop.Text = "停止"; 1628 this.btnStop.Click += new System.EventHandler(this.btnStop_Click); 1629 // 1630 // btnExit 1631 // 1632 this.btnExit.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1633 this.btnExit.Location = new System.Drawing.Point(440, 364); 1634 this.btnExit.Name = "btnExit"; 1635 this.btnExit.Size = new System.Drawing.Size(87, 26); 1636 this.btnExit.TabIndex = 4; 1637 this.btnExit.Text = "退出"; 1638 this.btnExit.Click += new System.EventHandler(this.btnExit_Click); 1639 // 1640 // mainMenu 1641 // 1642 this.mainMenu.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] { 1643 this.menuItem1, 1644 this.mnuDevices, 1645 this.menuItem7}); 1646 // 1647 // menuItem1 1648 // 1649 this.menuItem1.Index = 0; 1650 this.menuItem1.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] { 1651 this.mnuExit}); 1652 this.menuItem1.Text = "文件"; 1653 // 1654 // mnuExit 1655 // 1656 this.mnuExit.Index = 0; 1657 this.mnuExit.Text = "E&xit"; 1658 this.mnuExit.Click += new System.EventHandler(this.mnuExit_Click); 1659 // 1660 // mnuDevices 1661 // 1662 this.mnuDevices.Index = 1; 1663 this.mnuDevices.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] { 1664 this.mnuVideoDevices, 1665 this.mnuAudioDevices, 1666 this.menuItem4, 1667 this.mnuVideoCompressors, 1668 this.mnuAudioCompressors}); 1669 this.mnuDevices.Text = "设备"; 1670 // 1671 // mnuVideoDevices 1672 // 1673 this.mnuVideoDevices.Index = 0; 1674 this.mnuVideoDevices.Text = "视频设备"; 1675 // 1676 // mnuAudioDevices 1677 // 1678 this.mnuAudioDevices.Index = 1; 1679 this.mnuAudioDevices.Text = "音频设备"; 1680 // 1681 // menuItem4 1682 // 1683 this.menuItem4.Index = 2; 1684 this.menuItem4.Text = "-"; 1685 // 1686 // mnuVideoCompressors 1687 // 1688 this.mnuVideoCompressors.Index = 3; 1689 this.mnuVideoCompressors.Text = "视频压缩"; 1690 // 1691 // mnuAudioCompressors 1692 // 1693 this.mnuAudioCompressors.Index = 4; 1694 this.mnuAudioCompressors.Text = "音频压缩"; 1695 // 1696 // menuItem7 1697 // 1698 this.menuItem7.Index = 2; 1699 this.menuItem7.MenuItems.AddRange(new System.Windows.Forms.MenuItem[] { 1700 this.mnuVideoSources, 1701 this.mnuFrameSizes, 1702 this.mnuFrameRates, 1703 this.mnuVideoCaps, 1704 this.menuItem5, 1705 this.mnuAudioSources, 1706 this.mnuAudioChannels, 1707 this.mnuAudioSamplingRate, 1708 this.mnuAudioSampleSizes, 1709 this.mnuAudioCaps, 1710 this.menuItem3, 1711 this.mnuChannel, 1712 this.mnuInputType, 1713 this.menuItem6, 1714 this.mnuCompressionProps, 1715 this.mnuPropertyPages, 1716 this.menuItem8, 1717 this.mnuPreview}); 1718 this.menuItem7.Text = "选项"; 1719 // 1720 // mnuVideoSources 1721 // 1722 this.mnuVideoSources.Index = 0; 1723 this.mnuVideoSources.Text = "视频源"; 1724 // 1725 // mnuFrameSizes 1726 // 1727 this.mnuFrameSizes.Index = 1; 1728 this.mnuFrameSizes.Text = "视频帧的大小"; 1729 // 1730 // mnuFrameRates 1731 // 1732 this.mnuFrameRates.Index = 2; 1733 this.mnuFrameRates.Text = "视频的帧速率"; 1734 this.mnuFrameRates.Click += new System.EventHandler(this.mnuFrameRates_Click); 1735 // 1736 // mnuVideoCaps 1737 // 1738 this.mnuVideoCaps.Index = 3; 1739 this.mnuVideoCaps.Text = "视频特性"; 1740 this.mnuVideoCaps.Click += new System.EventHandler(this.mnuVideoCaps_Click); 1741 // 1742 // menuItem5 1743 // 1744 this.menuItem5.Index = 4; 1745 this.menuItem5.Text = "-"; 1746 // 1747 // mnuAudioSources 1748 // 1749 this.mnuAudioSources.Index = 5; 1750 this.mnuAudioSources.Text = "音频源"; 1751 // 1752 // mnuAudioChannels 1753 // 1754 this.mnuAudioChannels.Index = 6; 1755 this.mnuAudioChannels.Text = "音频通道"; 1756 // 1757 // mnuAudioSamplingRate 1758 // 1759 this.mnuAudioSamplingRate.Index = 7; 1760 this.mnuAudioSamplingRate.Text = "音频采样率"; 1761 // 1762 // mnuAudioSampleSizes 1763 // 1764 this.mnuAudioSampleSizes.Index = 8; 1765 this.mnuAudioSampleSizes.Text = "音频样本大小"; 1766 // 1767 // mnuAudioCaps 1768 // 1769 this.mnuAudioCaps.Index = 9; 1770 this.mnuAudioCaps.Text = "音频功能..."; 1771 this.mnuAudioCaps.Click += new System.EventHandler(this.mnuAudioCaps_Click); 1772 // 1773 // menuItem3 1774 // 1775 this.menuItem3.Index = 10; 1776 this.menuItem3.Text = "-"; 1777 // 1778 // mnuChannel 1779 // 1780 this.mnuChannel.Index = 11; 1781 this.mnuChannel.Text = "TV调谐器频道"; 1782 // 1783 // mnuInputType 1784 // 1785 this.mnuInputType.Index = 12; 1786 this.mnuInputType.Text = "TV 调谐器输入类型"; 1787 this.mnuInputType.Click += new System.EventHandler(this.mnuInputType_Click); 1788 // 1789 // menuItem6 1790 // 1791 this.menuItem6.Index = 13; 1792 this.menuItem6.Text = "-"; 1793 // 1794 // mnuCompressionProps 1795 // 1796 this.mnuCompressionProps.Index = 14; 1797 this.mnuCompressionProps.Text = "压缩道具..."; 1798 this.mnuCompressionProps.Click += new System.EventHandler(this.mnuCompressionProps_Click); 1799 // 1800 // mnuPropertyPages 1801 // 1802 this.mnuPropertyPages.Index = 15; 1803 this.mnuPropertyPages.Text = "属性页"; 1804 // 1805 // menuItem8 1806 // 1807 this.menuItem8.Index = 16; 1808 this.menuItem8.Text = "-"; 1809 // 1810 // mnuPreview 1811 // 1812 this.mnuPreview.Index = 17; 1813 this.mnuPreview.Text = "预览"; 1814 this.mnuPreview.Click += new System.EventHandler(this.mnuPreview_Click); 1815 // 1816 // panelVideo 1817 // 1818 this.panelVideo.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 1819 | System.Windows.Forms.AnchorStyles.Left) 1820 | System.Windows.Forms.AnchorStyles.Right))); 1821 this.panelVideo.Location = new System.Drawing.Point(2, 8); 1822 this.panelVideo.Name = "panelVideo"; 1823 this.panelVideo.Size = new System.Drawing.Size(735, 303); 1824 this.panelVideo.TabIndex = 6; 1825 // 1826 // btnCue 1827 // 1828 this.btnCue.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1829 this.btnCue.Location = new System.Drawing.Point(172, 364); 1830 this.btnCue.Name = "btnCue"; 1831 this.btnCue.Size = new System.Drawing.Size(76, 26); 1832 this.btnCue.TabIndex = 1; 1833 this.btnCue.Text = "提示"; 1834 this.btnCue.Click += new System.EventHandler(this.btnCue_Click); 1835 // 1836 // txtDroppedFrames 1837 // 1838 this.txtDroppedFrames.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1839 this.txtDroppedFrames.CausesValidation = false; 1840 this.txtDroppedFrames.Location = new System.Drawing.Point(680, 330); 1841 this.txtDroppedFrames.Name = "txtDroppedFrames"; 1842 this.txtDroppedFrames.ReadOnly = true; 1843 this.txtDroppedFrames.Size = new System.Drawing.Size(68, 21); 1844 this.txtDroppedFrames.TabIndex = 9; 1845 this.txtDroppedFrames.TabStop = false; 1846 this.txtDroppedFrames.Text = "0"; 1847 // 1848 // label2 1849 // 1850 this.label2.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1851 this.label2.Location = new System.Drawing.Point(613, 330); 1852 this.label2.Name = "label2"; 1853 this.label2.Size = new System.Drawing.Size(58, 25); 1854 this.label2.TabIndex = 10; 1855 this.label2.Text = "丢帧"; 1856 // 1857 // tmrTime1 1858 // 1859 this.tmrTime1.Interval = 999; 1860 this.tmrTime1.Tick += new System.EventHandler(this.tmrTime1_Tick); 1861 // 1862 // txtDuration 1863 // 1864 this.txtDuration.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1865 this.txtDuration.Location = new System.Drawing.Point(527, 338); 1866 this.txtDuration.Name = "txtDuration"; 1867 this.txtDuration.ReadOnly = true; 1868 this.txtDuration.Size = new System.Drawing.Size(77, 21); 1869 this.txtDuration.TabIndex = 11; 1870 this.txtDuration.TabStop = false; 1871 // 1872 // label3 1873 // 1874 this.label3.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1875 this.label3.Location = new System.Drawing.Point(536, 321); 1876 this.label3.Name = "label3"; 1877 this.label3.Size = new System.Drawing.Size(58, 17); 1878 this.label3.TabIndex = 12; 1879 this.label3.Text = "持续时间"; 1880 // 1881 // label4 1882 // 1883 this.label4.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1884 this.label4.Location = new System.Drawing.Point(604, 364); 1885 this.label4.Name = "label4"; 1886 this.label4.Size = new System.Drawing.Size(67, 26); 1887 this.label4.TabIndex = 13; 1888 this.label4.Text = "捕获帧"; 1889 // 1890 // txtCapturedFrames 1891 // 1892 this.txtCapturedFrames.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1893 this.txtCapturedFrames.Location = new System.Drawing.Point(680, 364); 1894 this.txtCapturedFrames.Name = "txtCapturedFrames"; 1895 this.txtCapturedFrames.ReadOnly = true; 1896 this.txtCapturedFrames.Size = new System.Drawing.Size(68, 21); 1897 this.txtCapturedFrames.TabIndex = 14; 1898 this.txtCapturedFrames.TabStop = false; 1899 this.txtCapturedFrames.Text = "0"; 1900 // 1901 // groupBox1 1902 // 1903 this.groupBox1.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 1904 | System.Windows.Forms.AnchorStyles.Left) 1905 | System.Windows.Forms.AnchorStyles.Right))); 1906 this.groupBox1.Controls.Add(this.panelVideo); 1907 this.groupBox1.Location = new System.Drawing.Point(10, 9); 1908 this.groupBox1.Name = "groupBox1"; 1909 this.groupBox1.Size = new System.Drawing.Size(738, 312); 1910 this.groupBox1.TabIndex = 15; 1911 this.groupBox1.TabStop = false; 1912 this.groupBox1.Resize += new System.EventHandler(this.groupBox1_Resize); 1913 // 1914 // txtPreSize 1915 // 1916 this.txtPreSize.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1917 this.txtPreSize.Location = new System.Drawing.Point(440, 338); 1918 this.txtPreSize.Name = "txtPreSize"; 1919 this.txtPreSize.Size = new System.Drawing.Size(77, 21); 1920 this.txtPreSize.TabIndex = 16; 1921 this.txtPreSize.Text = "0"; 1922 this.txtPreSize.TextAlign = System.Windows.Forms.HorizontalAlignment.Right; 1923 // 1924 // label5 1925 // 1926 this.label5.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right))); 1927 this.label5.Location = new System.Drawing.Point(431, 321); 1928 this.label5.Name = "label5"; 1929 this.label5.Size = new System.Drawing.Size(96, 17); 1930 this.label5.TabIndex = 17; 1931 this.label5.Text = "Pre-Size (Meg)"; 1932 this.label5.TextAlign = System.Drawing.ContentAlignment.TopCenter; 1933 // 1934 // CaptureTest 1935 // 1936 this.AutoScaleBaseSize = new System.Drawing.Size(6, 14); 1937 this.ClientSize = new System.Drawing.Size(757, 404); 1938 this.Controls.Add(this.label5); 1939 this.Controls.Add(this.txtPreSize); 1940 this.Controls.Add(this.groupBox1); 1941 this.Controls.Add(this.txtCapturedFrames); 1942 this.Controls.Add(this.label4); 1943 this.Controls.Add(this.label3); 1944 this.Controls.Add(this.txtDuration); 1945 this.Controls.Add(this.label2); 1946 this.Controls.Add(this.txtDroppedFrames); 1947 this.Controls.Add(this.btnCue); 1948 this.Controls.Add(this.btnExit); 1949 this.Controls.Add(this.btnStop); 1950 this.Controls.Add(this.btnStart); 1951 this.Controls.Add(this.txtFilename); 1952 this.Controls.Add(this.label1); 1953 this.Menu = this.mainMenu; 1954 this.Name = "CaptureTest"; 1955 this.Text = "捕捉测试"; 1956 this.groupBox1.ResumeLayout(false); 1957 this.ResumeLayout(false); 1958 this.PerformLayout(); 1959 1960 } 1961 #endregion 1962 1963 } 1964 }