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视频捕捉设备

TVideoGrabber能捕捉和记录多种视频捕捉设备上的视频和音频流，包括USB摄像头、USB模拟捕捉设备、网络摄像机、台式机、PCI捕捉卡等。下面列举几种TVideoGrabber支持的捕捉设备：

• 标准的USB webcams，如 Logitech C910 in Full HD 1080p, the Microsoft Lifecam Cinema...

• IP cameras (MJPEG or JPEG格式)

• HD webcams，如 Logitech C920 with native H264 to MP4 recording,

• RTSP cameras in H264/MPEG4 with or without AAC audio with our optional RTSP/RTMP source filter),

• 专业的捕捉/渲染卡，如 the Blackmagic Decklink, AJA Kona, ...

• GigE cameras with a DirectShow driver，如Point Grey cameras,

• HD camcorders through firewire or USB, ...

• USB analog Composite/SVideo capture devices，如EasyCap, the Hauppauge USB-Live-2, ...

• PCI analog Composite/SVideo and digical capture cards，如OsPrey 210 or 440,

• PCI/PCIe capture cards with hardware encoder like the Hauppauge Colossus, Sensoray 2250S, ...

视频预览

• 可以从DV摄像机、USB网络摄像头、PCI视频采集卡、电视卡、USB捕捉设备和数码摄像机（比如sony摄像机）中捕获视频内容

视频记录

• AVI/MPEG/ASF记录

• 重复记录

• 即时或记录之后压缩视频和音频流，采用标准的视频/音频编码，比如MPEG, DivX, OpenDivX, XVid

• 在AVI记录的时候，可以暂停/继续。每一次暂停/继续可以增加一个新的帧

完全支持DV

• DV时间码

• DV日期和时间

• 发送到DV（“打印至DV”），让可以你发送音频/视频到某一DV设备中，比如DV摄像机

即时网络数据流（点对点视频）

• 通过TVideoGrabber运行的平台，直接与互联网连接

• 通过Windows Media Server 的公共服务器代理连接

多种输入支持

• 支持多种视频记录卡

• 在2x2 或者 4x4的马赛克视频或者主/从模式中，支持4开关输入和16开关输入

播放检测

• 当视频处于播放检测时，每一个视频帧被分成多个单元

• 每一个单元的感应可以通过一个简单的对话框调节

媒体播放

• 轨道控制

• 按任意速度回放

• 快速向前和向后快进行查找

• 同步播放多个TVideoGrabber工具

捕获帧

• 在预览、记录或者回放过程中捕获帧，并按照帧的次序自动保存为TBitmap, BMP 和 JPEG文件

视频图像处理

• 添加图像和图形覆盖

• 添加文本覆盖

• 反交错技术

• 设置视频透明度

• 视频旋转90° 180° 270°

• 自上而下和从左到右

• 一般尺寸和完整尺寸的反交错播放

• 调整亮度、对比度、饱和度和色调

• 颜色反白

• 灰度

预览和记录视频

• 支持视频文件或者来自URL的视频流

• 屏幕截取记录

• 支持显示或隐藏鼠标指针

裁减和缩放

• 对视频的某一指定区域进行视频记录

• 对视频的某一指定区域进行缩放

通过位图来制作视频

• 指定帧的播放速度

视频重编码技术

• 用于视频和/或者音频压缩

• 针对已经添加图像和/或者文本覆盖的视频

• 针对指定开始和终止位置的视频截取

双屏显示

• 支持2个不同的显示屏幕（比如一个小的视频窗口在显示屏上，而第二个是全屏显示）

TV调节

• 电视频道搜寻

• 忽略电视频段

视频捕获设备控制

• 视频尺寸

• 帧播放速度

• 视频输入

• 视频标准（NTSC/PAL/SECAM）

• 焦点

• 缩放

• 发布和撤销帧操作时，进行帧计数

• VIDEO PREVIEW
  of video capture devices like DV camcorders, USB webcams, PCI capture cards, TV cards, USB capture devices and firewire cameras (like Sony cameras).
• VIDEO RECORDING
  • AVI/MPEG/ASF recording,
  • pre-roll recording,
  • compression of the audio and video streams, "on-the-fly" or after recording, using standard audio/video codecs like MPEG, DivX, OpenDivX, XVid...
  • pause/resume during AVI recording, with possibility to create a new clip for each pause/resume,
• FULL DV SUPPORT
  • DV timecode
  • DV date/time
  • Send to DV ("print to DV"), lets you send the audio/video to a DV device like a DV camcorder,
• LIVE NETWORK STREAMING (Video over IP)
  • directly to the internet, from the platform running TVideoGrabber,
  • indirectly through a publishing point on a Windows Media Server,
• MULTIPLEXED INPUTS SUPPORT
  • supports video cards with several inputs,
  • accept 4 switched inputs and 16 switched inputs in 2x2 or 4x4 mosaïc video or in master/slave modes,
• MOTION DETECTION
  • the video frame area is divided in cells, within motion is detected,
  • the sensitivity of each cell can be easily adjusted through a simple dialog,
• MEDIA PLAYER
  • trackbar control,
  • playback at any speed,
  • fast seeking forward and backward,
  • synchronization of several TVideoGrabber player components
• FRAME CAPTURE
  • to TBitmap, BMP and JPEG files, one by one or automatically,
  • during preview, recording or playback,
• VIDEO PROCESSING
  • image and graphic overlays,
  • text overlay,
  • deinterlacing,
  • video transparency,
  • video rotation 90° 180° 270°,
  • top-down and left-right,
  • half size and full size deinterlacing,
  • brightness, contrast, saturation, hue,
  • inverted colors,
  • greyscale.
• PREVIEW AND RECORDING OF VIDEO CLIPS
  • video files or a video streaming URLs
• SCREEN RECORDING
  • with or without the cursor
• CROPPING AND ZOOMING
  • recording of only a cropped area of the video source
  • zooming within areas the video source
• VIDEO CLIP BUILT FROM BITMAPS
  • at a given frame rate
• VIDEO CLIP REENCODING
  • by using the audio and/or video compressors,
  • by applying graphics and/or text overlays,
  • by extracting sequences from a start and stop time.
• DUAL DISPLAY
  • on 2 different monitors (e.g. a small video window on a monitor and a full screen video on the 2nd)
• TV TUNING
  • TV channels scanning,
  • TV frequency overrides.
• VIDEO CAPTURE DEVICE CONTROL
  • video size,
  • frame rate,
  • video input,
  • analog video standard (NTSC/PAL/SECAM),
  • focus,
  • zoom,
  • frame count of delivered and dropped frames.