User Guide Epiphan DVI2USB 3.0 Release 3.30.
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DVI2USB 3.0 Release Notes Epiphan Video is happy to announce release 3.30.2 for DVI2USB 3.0. This maintenance release includes the following updates. Updated default EDID DVI2USB 3.0 now has better interoperability with digital video cameras thanks to an updated default EDID. Improved power management Power management improvements mean that DVI2USB 3.0 now supports a wider range of USB host controllers. Online help DVI2USB 3.0 now has searchable online HTML help.
If this workaround poses a problem for your specific use case, consider purchasing a new DVI2USB 3.0; a hardware update resolved this problem permanently for devices with serial number 358800 and higher. l Capturing HDMI sources with Adobe RGB 32 color space (argb32) can cause image corruption. Workaround: If you see image corruption with this color space, switch to another color space.
Table Of Contents Thank You for Choosing Epiphan! ii DVI2USB 3.0 Release Notes iii Resolved issues iii Limitations and Known Issues iii Table Of Contents Start here v 1 What is DVI2USB 3.0? 2 What's in the Box? 4 System requirements 6 Quick start 7 DVI2USB 3.
VGA2USB menu (Mac) 46 File menu (Mac) 47 Edit menu (Mac) 48 View menu (Mac) 49 Tools menu (Mac) 49 Window menu (Mac) 50 Help menu (Mac) 51 Toolbar 53 Copy, save or print a snapshot 55 Record a video 58 Crop the captured image 63 Update device EDID 65 Configure display options 68 Windows only features 72 Status bar (Windows only) 72 Pause video capture 74 Record as a series of images 74 Configure audio 78 Configure optional recording settings 81 Add a watermark 82 Comm
DVI2USB 3.0 User Guide Start here Start here Use the topics in this section of the user guide to get started quickly with your DVI2USB 3.0. Review What's in the Box?, get a system overview in What is DVI2USB 3.
DVI2USB 3.0 User Guide What is DVI2USB 3.0? What is DVI2USB 3.0? DVI2USB 3.0™ is Epiphan's professional-series external DVI-I video grabber. In a nutshell, it captures images and video from VGA, HDMI and DVI-I video sources and digitizes them on your laptop or workstation via connection to a USB 3.0 port. The video capture workstation can record and/or stream the resulting uncompressed diagnostic-quality images and videos. On Windows, both audio and video capture is supported for HDMI sources.
DVI2USB 3.0 User Guide What is DVI2USB 3.0? The DVI2USB 3.0 video grabber is fully compatible with DirectShow in Windows, Video4Linux in Linux, and QuickTime in Mac OS. This means you can use it with a number of different third party applications for capturing, recording and streaming video. DVI2USB 3.0 is part of Epiphan’s complete line of video and audio signal capture products.
DVI2USB 3.0 User Guide What's in the Box? What's in the Box? The DVI2USB 3.0 package includes the following 1. DVI2USB 3.0 video grabber (read more, Physical attributes) 2. One DVI-I cable 3. One VGA to DVI cable 4. One HDMI to DVI adapter 5. One USB 3.0 cable Table 1 Description of included cables (images for identification only, color and appearance may vary) Image Name Description DVI-I cable Connects DVI sources to the video grabber.
DVI2USB 3.0 User Guide Image What's in the Box? Name Description High speed transfer cable that connects the USB 3.0 cable video grabber to your capture workstation or laptop computer.
DVI2USB 3.0 User Guide System requirements System requirements System requirements are the barebones technical essentials your computer needs to work with your Epiphan video grabber. System requirements to use DVI2USB 3.0 are: Video source Any VESA-compatible VGA, DVI or HDMI source. (DVI2USB 3.0 cannot capture from HDCP encrypted sources) Any computer (laptop/desktop/other format) with: l Video capture workstation a compatible USB 3.
DVI2USB 3.0 User Guide Quick start Quick start This section helps you get up and running quickly with your DVI2USB 3.0 on Windows or Mac OS X (for Linux distributions, see DVI2USB 3.0 on Linux).
DVI2USB 3.0 User Guide Quick start 5. For Windows: a. Right-click on the .zip file and choose Extract All (the files must be extracted before proceeding). b. Open the extracted files folder. c. Right-click on setup.exe and select Run as administrator to start the installation. d. Follow the prompts to install the drivers (the Epiphan Capture Tool is also installed). Installation may fail for computers inheriting security permissions from a Windows domain, even when the installer is run as administrator.
DVI2USB 3.0 User Guide Quick start 2. Connect the provided USB 3.0 cable to the bottom of the video grabber. 3. Connect the other end of the USB cable to an available USB port on your video capture workstation (use a USB 3.0 port for best performance).
DVI2USB 3.0 User Guide Quick start If using a splitter cable for your video source, use a high-quality HDMI or DVI splitter to split the signal between an other devices and the video grabber. For VGA signals, use an active VGA splitter rather than a passive VGA splitter (also called a Y-Adapter). This will help maintain a cleaner video signal. Capture video If needed, read Epiphan Capture Tool (Windows) or Epiphan Capture Tool (Mac) for information on how to launch the capture tool. 1.
DVI2USB 3.0 User Guide Quick start 3. Use the red record button to start recording. On Mac, the recording starts immediately. On Windows, the Save dialog opens. Specify the filename and folder to save your file. 4. When you are done capturing, use the pause (Windows only) or stop buttons to pause or stop recording. 5. Use your operating system's file browser (Windows Explorer or Finder) to find your saved capture file.
DVI2USB 3.0 User Guide l Configure your device l DirectShow video adjustments (Windows) l QuickTime video adjustments (Mac) l Epiphan Capture Tool Quick start Refer to the table of contents for a complete list of the topics covered.
DVI2USB 3.0 User Guide DVI2USB 3.0 on Linux DVI2USB 3.0 on Linux Epiphan provides drivers and an API for linux, but does not provide a capture application. The video grabber is compatible with Video4Linux, so you can use any Video4Linux application for capture. You can also use the Epiphan Linux SDK to write your own application. For more information see the Epiphan product downloads page for your DVI2USB 3.0.
DVI2USB 3.0 User Guide DVI2USB 3.0 on Linux The driver works with Video4Linux compatible applications (including gStreamer, VLC and the Video4Linux application), and with the Epiphan API. Epiphan capture API The Epiphan capture API receives captured images from the USB device driver. To record or stream these images you can use a compatible Video4Linux application (such as VLC or gStreamer) or you can use the API to write your own capture application.
DVI2USB 3.0 User Guide Physical attributes Physical attributes The DVI2USB 3.0 device measures 90mm x 60mm x 23mm (3.54” x 2.36” x 0.91”). It features a single DVI-I type connector, a USB 3.0 connector and an LED indicator. This small, portable product easily fits in the palm of your hand. Table 2 Connectors and indicators Number Interface DVI Input Description Connects a DVI, VGA or HDMI source to the video grabber.
DVI2USB 3.0 User Guide Physical attributes Epiphan always recommends using a USB 3.0 port for best performance. If a USB 2.0 port is used instead, DVI2USB 3.0 transfers video at a lower frame rate and is unable to capture embedded audio.
DVI2USB 3.0 User Guide Indicator LED details Indicator LED details The color and action of the indicator LED depends on whether you are connected by USB 3.0 or USB 2.0. For maximum performance, always use a USB 3.0 port and the included USB 3.0 cable. Note that frame capture rate will be reduced when connected via USB 2.0. If you’re not sure if your controller is USB 3.0 or USB 2.0, plug DVI2USB 3.
DVI2USB 3.0 User Guide Troubleshoot Troubleshoot If you're experiencing problems with your DVI2USB 3.0, use the following tips to attempt to rectify the problem. If using splitters, be sure to always use high quality splitters. For VGA splitters, use an active VGA splitter rather than a passive or Y-Adapter splitter. Capture device not found: If the Epiphan Capture Tool does not find the video grabber, the message Capture device not found is displayed in the capture application.
DVI2USB 3.0 User Guide Troubleshoot No signal detected: If the Epiphan Capture Tool finds the video grabber but does not see a connected video source, the message No signal detected is displayed in the capture application. Try the following troubleshooting tips: l Confirm that the video grabber used by the application is the correct one. Compare the serial number in the window frame (300292 in the example above) with the serial number sticker on the back of your device.
DVI2USB 3.0 User Guide Configure your device Configure your device Epiphan lets you fine tune image adjustments and select a VGA mode (for analog sources) and control how your video grabber works with DirectShow (Windows) or QuickTime (Mac) compatible applications. The menu options that appear in the Configure dialog vary depending on the kind of source you have connected to the video grabber. Some menu items are only applicable to VGA sources and therefore only appear when a VGA source is connected.
DVI2USB 3.0 User Guide DirectShow video adjustments (Windows) DirectShow video adjustments (Windows) in the Epiphan Capture Tool, the Capture » Configure Video » DirectShow page lets you configure how the device interacts with DirectShow compatible applications. From the resolution to whether or not the image is flipped, there are a variety of options available. See the table below for an explanation of each option.
DVI2USB 3.0 User Guide Item DirectShow video adjustments (Windows) Description Select an image to display when there is no signal captured from your Default image video grabber. The uncompressed BMP image must be located on your video capture workstation. If you are using a fixed resolution and choose not to scale the image, the captured image will appear cropped to your specified resolution when capturing with a DirectShow compatible utility.
DVI2USB 3.0 User Guide QuickTime video adjustments (Mac) QuickTime video adjustments (Mac) In addition to fine tuning specific capture attributes, on a Mac you can also configure how the grabber works with third party QuickTime applications. The Epiphan System Preferences utility lets you configure how items like the resolution presented to the application and whether or not the image is rotated and more. See the table below for an explanation of each option.
DVI2USB 3.0 User Guide Item QuickTime video adjustments (Mac) Description Used when Fixed or Default resolution is selected. Use the slider to Scaling choose between faster scaling that has lower quality results (on the left side of the slider) and better quality results with slower speed (right side of the slider). Select from None, 90° Left, 90° Right and 180° to have the Epiphan Image Rotation device drivers rotate the image/stream before passing it to the QuickTime engine.
DVI2USB 3.0 User Guide Visual video adjustments Visual video adjustments The Adjustments (Windows) or Basic adjustments (Mac) page lets you configure the device to manage slight shifts in the data and the color mode you're capturing from. If you have a VGA signal connected, options for configuring VGA-specific tuning parameters are also available.
DVI2USB 3.0 User Guide Item Visual video adjustments Description Configure horizontal shift to offset the captured image position. For example, a captured image shifted slightly to the right (horizontally) can Horizontal shift be corrected with minor adjustments to the horizontal shift settings. Increasing the value entered in the Horizontal Shift field shifts the image to the right, decreasing it shifts the images to the left. Configure vertical shift to offset the captured image position.
DVI2USB 3.0 User Guide Item Visual video adjustments Description VGA sources only (*on a Mac, this option is found in the Advanced tab) This checkbox allows Wide Aspect Ratio VGA modes to be displayed by Prefer wide VGA mode the video capture application window. The Epiphan USB device driver VGA sources only may not be able to determine whether the video source is sending a wide video mode signal.
DVI2USB 3.0 User Guide Set VGA modes Set VGA modes The VGA Modes page lets you configure the VGA modes used for analog video capture. On Windows, you can access this screen by selecting Capture » Configure Video » VGA Modes or using the Epiphan applet in the Control Panel by selecting the video grabber you'd like to configure and clicking Configure Device or Default Configuration.
DVI2USB 3.0 User Guide Set VGA modes 6. Specify your custom frame size in the Horizontal pixels and Vertical lines fields. 7. Specify the Refresh rate for your source and indicate whether it is interlaced or needs reduced blanking. 8. If your source uses non-customary timing, uncheck Standard VESA timings; a set of technical timing details appears. Fill in your custom timing values.
DVI2USB 3.0 User Guide Advanced adjustments Advanced adjustments The Advanced page lets you configure the device's auto-adjustment and detection mechanisms. On Windows, you can access this screen by selecting Capture » Configure Video » Advanced or using the Epiphan applet in the Control Panel by selecting the video grabber you'd like to configure and clicking Configure Device or Default Configuration.
DVI2USB 3.0 User Guide Item Advanced adjustments Description Sync level adjustment Adjust horizontal and vertical sync levels. HSync and VSync (*on Windows, this option is found in the main Adjustments tab) This checkbox allows Wide Aspect Ratio VGA modes to be displayed by Prefer wide VGA mode the video capture application window. The Epiphan USB device driver VGA sources only may not be able to determine whether the video source is sending a wide video mode signal.
DVI2USB 3.0 User Guide Epiphan Capture Tool Epiphan Capture Tool The Epiphan Capture Tool is a free software application available for Windows and Mac OS. You can use this tool for capturing and recording video or images from you source, and can also use it to configure your video grabber for use with third party DirectShow (Windows) or QuickTime (Mac) compatible applications. The same Epiphan Capture Tool is used by all Epiphan video grabber models that use Epiphan-supplied drivers (e.g. DVI2USB 3.
DVI2USB 3.0 User Guide Epiphan Capture Tool (Windows) Epiphan Capture Tool (Windows) To start the application, from the Windows Start menu select Start » Epiphan Capture Tool, or doubleclick on the installed desktop icon. The application starts up and looks for the DVI2USB 3.0 video grabber connected to your PC. If the video grabber is connected and operating, the capture application finds it and the image being captured appears on the application display.
DVI2USB 3.0 User Guide Epiphan Capture Tool (Windows) Read more about the menus in these topics: File menu (Windows), Edit menu (Windows), View menu (Windows), Capture menu (Windows), Tools menu, Help menu (Windows). You can also read more about the Toolbar and Status bar (Windows only).
DVI2USB 3.0 User Guide Windows menus Windows menus These topics cover the menus found in the Windows version of the Epiphan Capture Tool. File menu (Windows) The following is a breakdown of the File menu in the Windows version of the Epiphan Capture Tool. The File menu has these options: Menu item Shortcut Save Ctrl+S Save As... Ctrl+Shift+S Print Setup... Ctrl+Shift+P Print Ctrl+P Exit Description Save a snapshot of the current image to a file on the video capture workstation.
DVI2USB 3.0 User Guide Menu item Edit menu (Windows) Shortcut Description through this instance of the Epiphan Capture Tool. Edit menu (Windows) The following is a breakdown of the Edit menu in the Windows version of the Epiphan Capture Tool. The Edit menu has these options: Menu item Shortcut Copy Ctrl+C Description Copy a snapshot of the current image to the clipboard. See To copy a snapshot.
DVI2USB 3.0 User Guide Menu item Shortcut Capture menu (Windows) Description View or hide the status bar at the bottom of the application window. Status Bar Full Screen Ctrl+F Enable full screen mode. Press ESC (the escape key) to return to window mode. Put the Epiphan Capture Tool into a mode where the window borders, toolbar, status bar and menu bar are not displayed (scroll bars may still be displayed).
DVI2USB 3.0 User Guide Capture menu (Windows) The Capture menu has these options: Menu item Shortcut Description Start Recording (Stop Ctrl+R Start or stop recording your captured stream as a video or a series of captured images. See Record a video and Record as a series of images. Recording) Pause Capture (Resume Ctrl+U Capture) Select Device... Ctrl+N Pause or unpause capture and recording (the last frame will stay visible on the screen). See Pause video capture.
DVI2USB 3.0 User Guide Menu item Shortcut Capture menu (Windows) Description Choose the device you want to use in this instance of the Epiphan Capture Tool and click OK. Connect Network Device... Disconnect Used with Epiphan's legacy VGA2Ethernet device, outside the scope of this Network product documentation. Device Recent Network Devices Enable Audio Capture (Disable Audio Ctrl+A When enabled, audio captured by the device, or by the configured external audio source is included in the recording.
DVI2USB 3.0 User Guide Menu item Shortcut Tools menu (Windows) Description to work. Configure Ctrl+Shift+ Opens a dialog to let you configure specific capture adjustments for the Device... C video grabber. See Configure your device. Tools menu (Windows) The following is a breakdown of the Tools menu in the Windows version of the Epiphan Capture Tool. The Tools menu lets you upload custom EDIDs, test web broadcasting of your capture and set application options.
DVI2USB 3.0 User Guide Menu item Tools menu (Windows) Shortcut Description When requested by Epiphan technical support, you can use this command to display low-level information they Measure VGA Mode... can use to help diagnose problems. Copy this information into an email or chat with Epiphan technical support. From time to time, Epiphan releases updated general- Upgrade EDIDs for all Devices purpose EDIDs for video grabbers. Use this tool to check for updates and apply them.
DVI2USB 3.0 User Guide Menu item Help menu (Windows) Description check more often for a different video mode, but it also means the grabber will work harder and could reduce frame rate. Lastly, from this tab you can also limit the frame rate of your capture. This could be necessary if you are streaming (or recording) and know you have a small amount of bandwidth (or disk space) and don't want to overwhelm it with too much data.
DVI2USB 3.0 User Guide Help menu (Windows) Use the Help » Check for Updates menu to check for updates to the Epiphan Capture Tool and drivers. Note that sometimes there can be an updated version of the software, but it doesn't add any new features or have any updates for the model of video grabber you are using. In those cases the software update check will not recommend an update, however you can still update your software using the method described in Upgrade your drivers and software.
DVI2USB 3.0 User Guide Epiphan Capture Tool (Mac) Epiphan Capture Tool (Mac) To start the application, from the Mac Desktop double-click the application VGA2USB or use Finder to locate the VGA2USB program from the Applications list. The application starts up and looks for the DVI2USB 3.0 video grabber connected to your PC. If the video grabber is connected and operating, the capture application finds it and the image being captured appears on the application display.
DVI2USB 3.0 User Guide Epiphan Capture Tool (Mac) Read more about the menus in these topics: VGA2USB menu (Mac), File menu (Mac), Edit menu (Mac), View menu (Mac), Tools menu (Mac), Window menu (Mac), Help menu (Mac). You can also read more about the Toolbar.
DVI2USB 3.0 User Guide Mac menus Mac menus These topics cover the menus found in the Mac OS version of the Epiphan Capture Tool. VGA2USB menu (Mac) The following is a breakdown of the VGA2USB menu in the Mac version of the Epiphan Capture Tool. The VGA2USB menu lets you look for product updates and configure preferences. The VGA2USB menu has these options: Menu item Shortcut Description Displays a dialog containing the version of the tool you About VGA2USB have installed.
DVI2USB 3.0 User Guide File menu (Mac) Menu item Shortcut Description Opens your browser window and takes you to the Register for Product Updates product registration page so you can register to receive email notification of product updates. Services Not applicable to DVI2USB 3.0. ⌘H Hide VGA2USB Hide Others Hides the VGA2USB application (generally minimizes it to the Mac dock). Hides everything except the VGA2USB application. ⌘Q Quick VGA2USB Quits VGA2USB.
DVI2USB 3.0 User Guide Menu item Edit menu (Mac) Shortcut Description slow workstation performance. Open Network ⌘G Grabber... Recent Network Not applicable for DVI2USB 3.0. Not applicable for DVI2USB 3.0. Grabbers Record Movie ⌘R Save Image ⌘S Page Setup... Shift+⌘ P Print... ⌘P Starts recording the frames captured from your source as a video. See Record a video for more details. Save a snapshot of the current image to a file. See To save a snapshot.
DVI2USB 3.0 User Guide View menu (Mac) View menu (Mac) The following is a breakdown of the View menu in the Mac version of the Epiphan Capture Tool. The View menu has these options: Menu item Shortcut Description Shows (or hides) a list of the currently attached Epiphan video grabbers. Make a video grabber active by clicking on it in this list. Show Device List ⌘L Opens the adjustments window, allowing you to fine tune capture Show Adjustment Controls ⌘A and set VGA modes.
DVI2USB 3.0 User Guide Window menu (Mac) The Tools menu lets you upload custom EDIDs and look for firmware upgrades. The Tools menu has these options: Menu item Shortcut Description When requested by Epiphan technical support, you can Show VGA Mode Information use this command to display low-level information they can use to help diagnose problems. Copy this information into an email or chat with Epiphan technical support. Upload EDID to Device... Read EDID from Device...
DVI2USB 3.0 User Guide Menu item Help menu (Mac) Shortcut Description Minimizes the active Epiphan Capture Tool application Minimize ⌘M window. (The active window has the check mark in the list of windows at the bottom of this menu.) Zoom Zooms the active capture window in or out. Shows information about the device used by the active window. Show Device Information ⌘I Brings all the Epiphan Capture Tools windows to the front Bring All to Front or top of the window stack.
DVI2USB 3.
DVI2USB 3.0 User Guide Toolbar Toolbar The Epiphan Capture Tool toolbar provides a set of quick-access buttons for actions that are used frequently such as starting, stopping and pausing capture and saving snapshots. Windows toolbar: Mac toolbar: On Windows, you can change the size of icons on the toolbar using the menu command View » Toolbar » (size) Icons You can hide the toolbar on Mac or Windows using View » Toolbar » Hide Toolbar.
DVI2USB 3.0 User Guide Toolbar Icon Icon (Windows) (Mac) Description Starts (or stops) recording of the captured frames (in image or video format). See Record a video and Record as a series of images. - - (Available on Windows only) Pauses capture and recording, if applicable. (Also closes out the recording file.) (Available on Windows only) Enables or disables audio capture. See Configure audio for more details on configuring audio capture.
DVI2USB 3.0 User Guide Copy, save or print a snapshot Copy, save or print a snapshot You can also use the Epiphan Capture Tool to copy, save or print a snapshot from the stream. To save a snapshot Save a .bmp, .jpg or .png of the stream you are capturing using any of the following methods. On Windows, you can optionally Pause video capture prior to saving the image.
DVI2USB 3.0 User Guide Copy, save or print a snapshot Optionally on Windows, you can choose to have colors inverted for printing (black will appear as white, yellow as blue, red as cyan, etc). To invert the colors for printing: 1. Select Tools » Options; the options dialog appears. 2. Select the Display tab. 3. Check the Invert colors for printing checkbox. 4. Click OK. To copy a snapshot You can easily copy a snapshot of your stream to the clipboard using any of the following methods.
DVI2USB 3.0 User Guide l Copy, save or print a snapshot Use the Copy icon on the toolbar Open another application on your workstation and use clipboard paste methods (like Edit » Paste or Ctrl+V / ⌘ V) to paste the copied image.
DVI2USB 3.0 User Guide Record a video Record a video The Epiphan Capture Tool can record the images captured from your DVI2USB 3.0 as a video. On Windows, you can choose to capture audio (see Configure audio) and can also alternatively choose to save individual image files instead of a video, see Record as a series of images. To record a video of your captured video source: Step 1: Set the codec Take this opportunity to select your encoding codec.
DVI2USB 3.0 User Guide Record a video b. Ensure the Record as drop down has Video selected. c. Use the Select Codec... button to open the Video Compression dialog. Choose from codecs installed on your system and click OK to close the Video Compression dialog. d. If desired, modify the AVI file size limit. Recording will automatically be stopped when this limit is reached. e. From this page you can also Configure optional recording settings such as file names and recording period. f.
DVI2USB 3.0 User Guide Record a video b. Use the Compressor drop down to choose from codecs installed on your system. c. If desired, change the quality of the saved video using the Quality drop down. d. Use Save files to: to select a folder for saving the files. e. If you'd like to have an indicator of your recording, select from the Recording Indicators. In the example above, the word REC will flash in red on the middle of the captured image on the capture tool.
DVI2USB 3.0 User Guide Record a video 2. On Windows, optionally, configure audio capture and enable audio capture. See Configure audio. 3. Select Capture » Start Recording (File » Record Movie on Mac), use the red record button or keyboard shortcut Ctrl-R / ⌘ R to start recording. On Windows, a Save dialog opens (Mac automatically saves to the pre-configured location). 4. On Windows, specify the filename and folder to save your file.
DVI2USB 3.0 User Guide Record a video 5. When you are done capturing, use the pause (Windows only) or stop buttons to pause or stop recording. (You can also use the keyboard shortcut Ctrl-U for pause and can use the menu items Capture » Pause or Capture » Stop Recording on Windows or File » Stop Recording on Mac to control recording.) 6. Use your operating system's file browser (Windows Explorer or Finder) to find your saved capture file.
DVI2USB 3.0 User Guide Crop the captured image Crop the captured image In most video capture situations, you'd like to record everything that is captured by the DVI2USB 3.0. Sometimes, however, there's a need to remove some information (e.g. patient-identifying information) or to crop out black bars or unwanted areas of a scene. For these purposes, the Epiphan Capture Tool lets you crop the captured source prior to recording.
DVI2USB 3.0 User Guide Crop the captured image 3. Using the Left and Top fields, specify in pixels the top left corner where you want to start capturing. 4. In the Width and Height fields specify the width and height of the area you want to crop. 5. On Windows, click Apply to see the changes immediately and keep fine-tuning, or click OK to save your changes.
DVI2USB 3.0 User Guide Update device EDID Update device EDID Extended display identification data (EDID) is data provided by a video display device (usually a monitor) to describe its capabilities to a video source (usually a graphics or video output card in a PC or another device). The video source uses the EDID to determine the capabilities of the monitor to determine the resolution, color depth and other settings that the monitor can support. In the case of your DVI2USB 3.
DVI2USB 3.0 User Guide Update device EDID To return to the factory default EDID, select the "default configuration" EDID from the download list. 5. Connect your video grabber to the capture computer. 6. Disconnect your video source from the video grabber. 7. Launch the Epiphan Capture Tool. 8. Select the Tools » Upload EDID to device... menu option; a file selection dialog opens. 9. From the Open dialog, find the downloaded EDID file and select it. 10.
DVI2USB 3.0 User Guide Update device EDID Practical EDID example Here's an example that helpfully shows how a custom EDID resolved a problem. A user was viewing the video output from a system using a monitor. The monitor displayed video images at a screen resolution of 640x480. When the user replaced the flat panel monitor with a DVI2USB 3.0, the source system changed it's video output resolution to 720x400.
DVI2USB 3.0 User Guide Configure display options Configure display options The Epiphan Capture Tools gives you the ability to configure some aspects of how your captured frames are displayed. For example, you can choose whether or not the image is scaled if the window is made larger or smaller, or whether or not it is rotated on the screen. See below for the display options on Windows and Mac.
DVI2USB 3.0 User Guide Menu item Configure display options Description The Epiphan Capture Tool supports a variety of RGB and grayscale color formats, but your DVI2USB 3.0 can also capture in the YUV 4:2:0 color space, if using a third party tool that supports this color space. For 1080p video capture at 60 fps, you need to use a third party capture application that supports YUV 4:2:0.
DVI2USB 3.0 User Guide Menu item Configure display options Description This setting affects both the display and recorded images/video. Mac display options To access the display options on a Mac, select VGA2USB » Preferences and select the General tab. Menu item Description Choose from color or greyscale image capture. Changes made are immediately visible in the Capture Tool preview window.
DVI2USB 3.0 User Guide Menu item Configure display options Description Use this feature to limit the frame rate for cases where you want to be Limit capture frame rate sure the recording file isn't too large due to high frame rate. Check the check box then use the Maximum frames per second drop down to set your limit. Start in full screen mode Check the checkbox if you want the application to start in full screen mode (to exit full screen mode use the keyboard shortcut ⌘ F.
DVI2USB 3.0 User Guide Windows only features Windows only features Some features are available only in the Windows version of the Epiphan Capture Tool. This section describes those features. Status bar (Windows only) The Windows version of the Epiphan Capture Tool has a status bar that displays information about your DVI2USB 3.0 or the currently selected video grabber.
DVI2USB 3.0 User Guide Status bar (Windows only) Recording images When recording your source as a series of images, the status bar shows the RECORDING tag and name of the current file. Recording images complete When image recording is complete, the status bar indicates the number of image frames that were saved. Optional information Other information can be displayed on the status bar, depending on the the configuration items set in the Tools » Options » Display menu.
DVI2USB 3.0 User Guide Pause video capture Pause video capture You can use the pause button on the toolbar, access pause from the capture menu or use the keyboard shortcut Ctrl-U to pause capture. When you pause capture, the following things happen: l The last captured frame remains open in the Epiphan Capture Tool (no new frames are grabbed). This image can be saved, copied or printed. See Copy, save or print a snapshot.
DVI2USB 3.0 User Guide Record as a series of images 3. Launch the Epiphan Capture Tool. 4. Select the Tools » Options menu item; a dialog box opens. 5. Select the Recording tab. 6. Ensure the Record as drop down has Imagesselected. 7. Use the Format drop down to select from BMP, PNG or JPEG (JPG). 8. In the Save options section: a. Specify a folder for saving the files. If you don't specify a folder, your images will be saved in the same folder as the Epiphan Capture Tool. b.
DVI2USB 3.0 User Guide Record as a series of images c. Use the Suffix drop down to determine whether you're using decimal (d) or hexidecimal (X) characters for the suffix, and the number of leading zeros in the filename (e.g. %04d means a decimal suffix with 4 digits, the first few will have three leading zeros (cap_0001.bmp)). d. Set the Start value to the first number you want to use in your file name. e. Use the Example section to see the result of your file name edits. f.
DVI2USB 3.0 User Guide Record as a series of images As images/frames are captured by the video grabber they are saved as individual image files. While capturing, the status bar displays the name and location of the last saved image. The total number of images saved is displayed when recording stops. To record your images: 1.
DVI2USB 3.0 User Guide Configure audio 4. Use your operating system's file browser (Windows Explorer or Finder) to find your saved image file(s). Configure audio Your DVI2USB 3.0 can capture audio directly from non-encrypted HDMI sources. The Epiphan Capture Tool can also capture audio from other audio devices plugged into your capture workstation (e.g. embedded laptop microphone or external microphone plugged in via USB or audio in jack).
DVI2USB 3.0 User Guide Configure audio a. If capturing embedded HDMI audio, select Frame Grabber. b. If using an external audio source, click Specific Windows audio input device and select your audio device from the list. c. If desired, use the Audio format drop down to specify the audio bit rate you want saved (or streamed), Stereo/mono and bit-depth. (If this value is different than the incoming audio bitrate, DVI2USB 3.0 resamples the audio to your specified bitrate.) d.
DVI2USB 3.0 User Guide Configure audio Step 2: Enable audio capture You can tell whether audio capture is enabled by looking at the toolbar. If the speaker icon is still (no sound waves depicted coming out from it), audio is not enabled. See the examples below. Audio enabled Audio disabled To enable audio capture: 1. Launch the Epiphan Capture Tool. 2. Click the Capture Audio button (speaker icon) on the toolbar; when audio capture is enabled, the icon is animated with sound waves.
DVI2USB 3.0 User Guide Configure optional recording settings Configure optional recording settings On Windows, when recording your captured frames as a video, as described in Record a video, you can set some optional configuration settings.
DVI2USB 3.0 User Guide Add a watermark 2. Click the Create a new file every time recording is restarted radio button. 3. Use the Suffix drop down to determine whether you're using decimal (d) or hexadecimal (X) characters for the suffix, and the number of leading zeros in the filename (e.g. %04d means a decimal suffix with 4 digits, the first few will have three leading zeros (cap_0001.bmp)). 4. Optionally, choose a starting digit for your sequence. 5.
DVI2USB 3.0 User Guide Add a watermark Add a timestamp You can add a timestamp to your captured video by choosing from one of the pre-created formats and selecting the font, size, location and color. Start by Record a video To configure a timestamp watermark: 1. From the Tools » Options dialog, select the On-Screen Text tab. 2. Check the Timestamp checkbox. 3. Choose a timestamp format from the Format drop down box. 4. If desired, change the color and outline color from the default white and gray values.
DVI2USB 3.0 User Guide Add a watermark 5. Click on a location in the Position grid to specify the location of the timestamp. 6. Change the Font type and size by clicking the elipsis (...) next to the Font description; a font selection dialog opens. 7. When you are done configuring, click Apply to see the changes while keeping the dialog open for futher tweaks, or click OK to apply your changes and close the dialog. Note that you can include both a timestamp and a static text watermark.
DVI2USB 3.0 User Guide Command line options 6. Change the Font type and size by clicking the elipsis (...) next to the Font description; a font selection dialog opens. 7. When you are done configuring, click Apply to see the changes while keeping the dialog open for futher tweaks, or click OK to apply your changes and close the dialog. You can have both a text watermark and a timestamp mark on your captured video or images. Give them both a try to see what you like best.
DVI2USB 3.0 User Guide Sharing / streaming demo tool Option Description --fullscreen Start the Epiphan Capture Tool in full-screen mode. "*" - Refer to the Configure your device section for more details Example You can create a desktop shortcut that includes one or more of the command line options. For the purposes of this example, the Epiphan Capture Tool's executible file name is v2ugui2.exe and is installed in C:\Program Files\Epiphan\Frame Grabber Software. 1.
DVI2USB 3.0 User Guide Sharing / streaming demo tool Note there are no privacy, bandwidth or uptime guarantees for this demo service. It is not intended for use with business-critical applications. As this feature is for demonstration purposes only, a 10 hour time limit is applied. To stream captured images over the Internet, the video capture application sends the currently captured images to an Epiphan web broadcasting portal.
DVI2USB 3.0 User Guide Sharing / streaming demo tool 2. Copy the URL provided in the window. 3. Click the Start Web Broadcasting Demo button; you are now sharing your captured video frames over the internet. Provide the URL to the person with whom you wish to share they stream. (Note you can return to this window to get the URL again if you forget it.) View the broadcast Viewers use their web browser to see the broadcast.
DVI2USB 3.0 User Guide Sharing / streaming demo tool Tweaking the broadcast Normally you should not need to change the default web broadcasting compression settings. The default settings reduce the amount of Internet bandwidth used for web broadcasting by applying a combination of lossless and lossy compression to the images being broadcasted. To change the web broadcasting compression: 1. Select Tools » Options » Sharing; the Sharing dialog opens.
DVI2USB 3.0 User Guide Sharing / streaming demo tool 2. Click the Override default compressions settings checkbox; the other controls become active. 3. Adjust Lossless and Lossy sliders. Moving the sliders towards speed and compression reduces delay and increases the frame rate at the cost of more noticable artifacts in the stream. Moving the sliders the other way reduces frame rate, increases delay but improves picture quality.
DVI2USB 3.0 User Guide Sharing / streaming demo tool Changes made to default web broadcast compression settings are only visible to viewers of the web broadcast. Changing these settings does not change how the video capture application displays, records, or prints captured images.
DVI2USB 3.0 User Guide Upgrade your drivers and software Upgrade your drivers and software From time to time, Epiphan releases new drivers and a new version of the Epiphan Capture Tool. These two pieces of software are bundled together in a single package, available from the Epiphan Video website, on the support page for your product. When you register your DVI2USB 3.0, you can choose to be notified of updates.
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