epiphan DVI2USB Solo User Manual Download Page 116

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15. Recording videos

Recording videos for Linux

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Epiphan Frame Grabber

Summary of Contents for DVI2USB Solo

Page 1: ...www epiphan com 1 February 2009 Version 3 20 2 Windows 3 16 14 Mac OS X Epiphan Frame Grabber User Guide VGA2USB VGA2USB LR VGA2USB HR VGA2USB Pro KVM2USB DVI2USB DVI2USB Duo DVI2USB Solo ...

Page 2: ...m and operating system Your product serial number The version of the Video capture application and the USB driver that you are using The behavior of your Frame Grabber product LED indicators Technical description of the VGA or DVI signal source including resolution refresh rate synchronization type of hardware Complete description of the problem you re experiencing If possible please provide scree...

Page 3: ...12 4 Installing the Mac OS X VGA2USB DVI2USB drivers and application 14 5 Connecting a VGA2USB Device 16 6 Connecting a DVI2USB Device 18 7 Connecting a DVI2USB Solo Device 20 8 Connecting a DVI2USB Duo Device 22 9 Connecting a KVM2USB Device 24 10 Troubleshooting 26 11 About Epiphan frame grabbing technology 29 The VGA or DVI video source 30 The Frame Grabber 30 The video capture workstation 33 G...

Page 4: ...ading to the latest Mac OS X software version 80 Starting the Mac OS X video capture application 81 Copying saving and printing images 83 Menus 84 Toolbar 89 Changing system preferences 90 14 Recording image files 91 Configuring image file recording options 91 Setting display options to change how image files are recorded 95 Recording image files 95 Viewing saved image files 96 15 Recording videos...

Page 5: ...iewing a web broadcasting session 124 Changing web broadcasting compression and performance 125 17 Using the KVM2USB Frame Grabber 129 18 Advanced topics 133 About EDID 133 Configuring image adjustments 136 Configuring DirectShow options 143 Configuring VGA modes 145 Windows command line options 149 About the frame rate 151 Troubleshooting 153 Index 155 ...

Page 6: ...Table of Contents Page 6 Epiphan Frame Grabber ...

Page 7: ...e Grabbers can be used in a wide range of applications such as Capturing data from a computer screen for educational training and diagnostic purposes Capturing and recording data from security cameras especially high resolution cameras equipped with VGA signal output Monitoring remote equipment Recording and analyzing data from research and diagnostic equipment Recording and transmitting data from...

Page 8: ...s web page provides more detailed comparisons of all Epiphan Frame Grabbers If you need to capture images from a DVI stream you can use Figure 2 to help select the optimal DVI Frame Grabber for your task Figure 2 Comparing Epiphan DVI Frame Grabbers The DVI Frame Grabber comparison table on the Epiphan DVI Frame Grabbers web page provides more detailed comparisons of all Epiphan Frame Grabbers ...

Page 9: ...ware and software requirements required to support Epiphan Frame Grabbers Chapter 3 Installing the Windows VGA2USB DVI2USB drivers and application on page 12 describes how to install the Windows VGA2USB DVI2USB Epiphan device driver and video capture application Chapter 4 Installing the Mac OS X VGA2USB DVI2USB drivers and application on page 14 describes how to the install the Mac OS X VGA2USB DV...

Page 10: ...ns and features of the Epiphan Windows video capture application Chapter 13 Mac OS X video capture application on page 79 describes the most commonly used functions and features of the Epiphan Mac OS X video capture application Chapter 14 Recording image files on page 91 describes how to record the frames captured by your Frame Grabber as individual image files Chapter 15 Recording videos on page ...

Page 11: ...mory VGA DVI KVM2USB 256 MB VGA2USB LR HR Pro DVI2USB Solo Duo 256 MB DDR2 Hard disk space 5 MB Video capture workstation operating system Windows 2000 SP4 XP SP2 or 32 bit and 64 bit Vista See Installing the Windows VGA2USB DVI2USB drivers and application on page 12 Mac OS X 10 3 Panther or more recent see Installing the Mac OS X VGA2USB DVI2USB drivers and application on page 14 Linux 2 6 x i686...

Page 12: ...includes the video capture application and VGA2USB DVI2USB USB device drivers To install the VGA2USB DVI2USB drivers and application 1 Download the latest software release to your video capture workstation Browse to http www epiphan com products and go to the Download page for your Frame Grabber 2 Download the latest version of the VGA2USB drivers and application from the Windows section of the Do...

Page 13: ... a DVI2USB Device on page 18 7 Connecting a DVI2USB Solo Device on page 20 8 Connecting a DVI2USB Duo Device on page 22 9 Connecting a KVM2USB Device on page 24 Tip If after connecting your Frame Grabber Windows displays the Found New Hardware Wizard respond to the prompts before continuing with Step 6 6 Open the Windows Device Manager and confirm that Windows has detected your product Tip Refer t...

Page 14: ...gitizer vdig and the VGA2USB DVI2USB USB device driver To install the VGA2USB DVI2USB drivers and application 1 Download the latest software release to your Mac OS X video capture workstation Browse to http www epiphan com products to locate the Download page for your Frame Grabber and scroll down to the Macintosh section 2 Download the latest version of the drivers and application that will run o...

Page 15: ... a VGA2USB Device on page 16 6 Connecting a DVI2USB Device on page 18 7 Connecting a DVI2USB Solo Device on page 20 8 Connecting a DVI2USB Duo Device on page 22 9 Connecting a KVM2USB Device on page 24 6 Open System Profiler and expand the USB Device Tree to confirm that the device is recognized Tip Refer to 10 Troubleshooting on page 26 if you have problems ...

Page 16: ...ation installed on a video capture workstation you can view and record the captured images This section shows VGA2USB including LR HR and Pro package contents and describes and how to connect a VGA2USB Frame Grabber to your VGA source and to a video capture workstation VGA2USB including LR HR and Pro package contents VGA2USB VGA2USB LR VGA2USB HR VGA2USB Pro Power Adapter LR HR Pro VGA Adapter VGA...

Page 17: ... to connect the VGA signal output source to the Frame Grabber VGA port You can use a VGA splitter to split the VGA signal between an external monitor and the Frame Grabber not recommended You can also use the VGA adaptor if your VGA signal output source has a male connector 3 Use the USB cable to connect the Frame Grabber to a USB 2 0 port on the video capture workstation Video Capture Workstation...

Page 18: ... VESA compatible VGA sources using a VGA to DVI cable Using the Epiphan video capture application installed on a video capture workstation you can view and record the captured images This section shows DVI2USB package contents and describes how to connect a DVI2USB Frame Grabber to a DVI or VGA source and to a video capture workstation DVI2USB package contents USB Cable DVI Cable DVI2USB VGA Adapt...

Page 19: ...ble to connect the DVI signal output source to the DVI2USB DVI port If you are connecting the VGA2USB Frame Grabber to a VGA source use the DVI to VGA cable to connect the VGA signal output source to the DVI2USB DVI port 3 Use the USB cable to connect the DVI2USB to a USB 2 0 port on the video capture workstation Video Capture Workstation Equipment with DVI Signal Output DVI Cable USB Cable DVI In...

Page 20: ...atible DVI sources Using the Epiphan video capture application installed on a video capture workstation you can view and record the captured images This section shows DVI2USB Solo package contents and describes how to connect a DVI2USB Solo to a DVI source and to a video capture workstation DVI2USB Solo package contents Power Adapter USB Cable DVI2USB Solo DVI Cable ...

Page 21: ...ber 1 Connect the power adapter to the DVI2USB Solo Frame Grabber 2 Use the DVI cable to connect the DVI signal output source to the DVI2USB Solo DVI port 3 Use the USB cable to connect the DVI2USB Solo to a USB 2 0 port on the video capture workstation Video Capture Workstation Equipment with DVI Signal Output DVI Cable USB Cable DVI Input DVI Signal Output USB Input Power Status Capture LED USB ...

Page 22: ...k DVI sources Using the Epiphan video capture application installed on a video capture workstation you can view and record the captured images This section shows DVI2USB Duo package contents and describes how to connect a DVI2USB Duo to a dual link DVI source and to a video capture workstation DVI2USB Duo package contents Power Adapter Dual Link DVI Cable USB Cable DVI2USB Duo ...

Page 23: ...he DVI2USB Duo Frame Grabber 2 Use the dual link DVI cable to connect the dual link DVI signal output source to the DVI2USB Duo dual link DVI port 3 Use the USB cable to connect the DVI2USB Duo to a USB 2 0 port on the video capture workstation Video Capture Workstation Equipment with Dual link DVI Signal Output Dual link DVI Cable USB Cable Dual link DVI Input Dual link DVI Signal Output USB Inpu...

Page 24: ...the headless server has a VGA port and PS2 mouse and keyboard ports you can connect the KVM2USB directly The KVM2USB also comes with PS 2 to USB adapters that you can use if the headless server only has USB ports for mouse and keyboard connections The KVM2USB video connector is a VGA connector However the KVM2USB is compatible with most DVI to VGA adapters if the headless server has a DVI port Thi...

Page 25: ... PS 2 to USB and DVI to VGA adapters if required 2 Connect the single connector end of the KVM cable to the KVM2USB KVM input port 3 Use the USB cable to connect the KVM2USB to a USB 2 0 port on the administrator s PC 4 Start the video capture application and use the options on the KVM menu to start and stop KVM operation Administrator s PC or laptop Keyboard Video Mouse KVM Headless Server USB Ca...

Page 26: ...istance with USB driver troubleshooting browse to http www epiphan com products and locate the Download page for your Frame Grabber If included in the Frame Grabber package always use the power adapter to ensure your Frame Grabber is receiving sufficient power Also plug in the power before connecting the Frame Grabber to your equipment Observe the behavior of your Frame Grabber LED indicators befo...

Page 27: ...SB LEDs LED Activity Description Power PWR Red Normal operation the Frame Grabber is receiving power Off Power is disconnected from the Frame Grabber Capture CAP Flashing Amber The video capture application is running and has found the Frame Grabber The Frame Grabber is capturing images On The Frame Grabber is not receiving a VGA DVI signal or cannot adjust video capture parameters Status STAT Off...

Page 28: ...10 Troubleshooting Page 28 Epiphan Frame Grabber ...

Page 29: ...rce The Frame Grabber The video capture workstation Glossary of Terms Capturing displaying recording and broadcasting VGA or DVI images requires the following components A VGA or DVI video source to capture images from An Epiphan Frame Grabber that captures images from the video source A video capture workstation that displays records and broadcasts the images captured by the Frame Grabber Figure ...

Page 30: ...range of video formats including analog and digital video formats resolutions from 640 x 480 to 2048 x 2048 frame rates up to 12 fps at 2048 x 2048 resolution and up to 60 fps at 1024 x 768 For information about all of the video source features that Epiphan Frame Grabbers support see the Frame Grabbers Comparison Table on the Epiphan Web Site The Frame Grabber The Frame Grabber that you select dep...

Page 31: ...erent DVI2USB Frame Grabbers You should select the DIV2USB Frame Grabber that matches or exceeds the output of your video source Figure 5 Video source and Frame Grabber To get the signal from the video source to the Frame Grabber you connect the two devices with the appropriate cable In most cases the cable you need comes in the package with your Frame Grabber For example if your video source is V...

Page 32: ...ed image and optimize data transmission to the video capture workstation These functions include Pre compression using technology developed by Epiphan to clean up and optimize the image Pre compression reduces the amount of data required for each image and improves the performance of the standard compression algorithms also built into most Epiphan Frame Grabbers See Pre compression of computer gen...

Page 33: ... video capture workstation the PC must include a USB device driver that can receive images from Epiphan Frame Grabbers The video capture workstation must also include video capture application software for processing captured images according to your requirements For example you may want the video capture application software to display captured images or you may also want to record and print capt...

Page 34: ...page 40 Linux video capture workstation software on page 42 About kernel mode and user mode Some video capture workstation software components operate in kernel mode and some in user mode Kernel mode programs are usually always running in the background and are usually not started and stopped by users Kernel mode programs are usually configured from a central location such as the Windows control p...

Page 35: ...vers the images to the Epiphan capture API and to DirectShow Before delivering the images the Epiphan USB device driver also performs image adjustment to improve the quality of the image Image adjustments include setting the sampling phase PLL adjustments and Horizontal shift See Configuring image adjustments on page 136 for more information about image adjustments The USB device driver can also c...

Page 36: ...tion You can also configure image adjustments for each Frame Grabber and configure how the Epiphan USB device driver communicates with DirectShow See Configuring DirectShow options on page 143 If you have successfully installed the Epiphan USB device driver when you connect a Frame Grabber the name of the Frame Grabber appears in the Windows Device Driver under Imaging Devices For example if you i...

Page 37: ...xample you can use applications such as VirtualDUB to record avi files Microsoft Media Encoder to record wmv files and RealProducer to record rm files all consisting of a series of captured images sent to DirectShow by the Epiphan USB device driver See Using a DirectShow application to record video files on page 107 You can also create your own custom DirectShow compatible video capture applicatio...

Page 38: ...apture application you can Display print and copy captured images to the Windows clipboard to be pasted into another application Record captured images as bmp jpeg or png image files Record captured images by sending them to a video codec so that they can be saved as Windows AVI video files Share captured images by broadcasting them over the Internet in real time Using the Epiphan SDK you can crea...

Page 39: ... send captured images to the video codec From the Epiphan video capture application you can also configure settings for the video codec that you select See Chapter 15 Recording videos on page 97 The video codec and codec settings to choose depend on your requirements You may need to try several different codecs and change configuration settings to see which codec best fits your requirements Epipha...

Page 40: ...ideo capture application Figure 10 Mac OS X video capture workstation software The Epiphan USB device driver The Mac OS X Epiphan USB device driver receives images from an Epiphan Frame Grabber and delivers the images to the Epiphan capture API Before delivering the images the Epiphan USB device driver also performs image adjustment to improve Video Capture Workstation Display Save Images Record V...

Page 41: ...ice driver The Epiphan capture API is optimized for processing Epiphan Frame Grabber captured images The Epiphan capture API analyzes individual images performs on device cropping handles video mode changes and also supports KVM functions if you are using a KVM2USB frame grabber The Epiphan capture API sends captured images to the Epiphan QuickTime component and to the Epiphan video capture applic...

Page 42: ...e Chapter 13 Mac OS X video capture application on page 79 Using the Epiphan SDK you can create your own custom video capture application for processing and recording captured images received from QuickTime or from the Epiphan capture API By developing your own custom software application you can include the features that you need according to your requirements Linux video capture workstation soft...

Page 43: ...image Image adjustments include setting the sampling phase PLL adjustments and Horizontal shift See Configuring image adjustments on page 136 for more information about image adjustments The USB device driver can also change the color depth of the captured image before sending the image to the video API For example if the Frame Grabber is capturing the frames at a color depth that is different tha...

Page 44: ...u can use a Video4Linux compatible application to record a series of captured images as a video in the video format supported by the Video4Linux application You can also create your own custom Video4Linux compatible video capture application to record captured images from Video4Linux The Epiphan capture API The Epiphan capture API also receives captured images from the Epiphan USB device driver Th...

Page 45: ...rabber User Guide Color depth bits per pixel bpp Color depth or bits per pixel bpp also known as color resolution is a computer graphics term describing the number of bits used to represent the color of a pixel in a bitmapped image or video frame Epiphan Frame Grabbers support a number of color depths RGB 24 bits per pixel RGB 8 8 8 format also known as true color and millions of colors 24 bit col...

Page 46: ...on and other techniques to improve the video signal Epiphan Frame Grabbers and the video capture application convert YUY2 422 UYVY video images to RGB grayscale or black and white images All color depths are not supported by all video codecs or image file formats Most video codecs and image file formats support RGB 24 bpp It may be difficult to find a video codec that supports other color depths S...

Page 47: ...monitor Many devices that output digital visual images use the DVI standard for transmitting visual data All Epiphan DVI2USB Frame Grabbers capture digital DVI frames and convert them to digital signals that are transmitted to the Epiphan video capture application using a USB connection This USB data is then interpreted and displayed using the Epiphan video capture application Frame Grabber A hard...

Page 48: ...ed and displayed using the Epiphan video capture application VGA modes A VGA mode describes the timing of the VGA signals sent by a VGA source to a VGA display device or Frame Grabber The VGA source and receiver for example a monitor must agree on the VGA mode so that the VGA display device can decode the timing of the VGA signal and display images A VGA signal consists of a series of frames Each ...

Page 49: ...he active video area that contains all of the lines in the frame The vertical signal also includes a vertical synch pulse that is timed according to the vertical sync time The vertical blanking intervals are also called the front porch and back porch Finally the vertical synch polarity designates whether the vertical sync pulse is positive or negative Video capture application The Epiphan software...

Page 50: ...11 About Epiphan frame grabbing technology Glossary of Terms Page 50 Epiphan Frame Grabber ...

Page 51: ...ut how to broadcast captured images over the Internet see Chapter 16 Web Broadcasting on page 121 For details about how to set up KVM see Chapter 17 Using the KVM2USB Frame Grabber on page 129 For special advanced topics see Chapter 18 Advanced topics on page 133 For many useful How To procedures see the How To page of the Epiphan Web Site This chapter assumes that you have followed the instructio...

Page 52: ...rabber Figure 12 Connecting Epiphan Frame Grabbers This chapter describes Upgrading to the latest software version Starting the video capture application Common procedures Menus Toolbar Status bar Shortcut keys Recording display KVM and sharing options Windows Epiphan USB device driver Video Capture Workstation Display Record and Broadcast Captured images Video Source Equipment with VGA DVI or Dua...

Page 53: ... Windows or Linux video capture workstation by using normal procedures for your operating system to download the latest version and install it without uninstalling the previous version If you have problems upgrading Windows software see the detailed driver update instructions and install uninstall instructions available from the Windows section of http www epiphan com downloads Finding software up...

Page 54: ...10 4 and 10 5 Intel and PowerPC and 10 3 Starting the video capture application Before starting the video capture application the Frame Grabber must be connected to the video capture workstation USB port If required the Frame Grabber should also be connected to power Start the video capture application as you would any other application installed on the video capture workstation Figure 13 Epiphan ...

Page 55: ...capture application window begins displaying captured images Figure 13 shows the parts of the video capture application window Note You use command line options to control some settings when the video capture application starts For example you can start the video capture application without any window borders and so that it always appear on top of all application windows See Windows command line o...

Page 56: ...plication stops receiving new images from the Frame Grabber Pause also pauses video recording image recording and web broadcasting While paused you can save print and copy the captured image Captured Image The image currently being captured by the Frame Grabber The captured image is the same as the image that you can save print copy and record Status Bar The status bar displays information about t...

Page 57: ...ent bitmap image To save a snapshot of the current image as an image file You can use the following procedure to save the current image as a bmp png or jpg file on the video capture workstation You can optionally pause image capture before saving an image 1 Select Save from the File menu or from the toolbar select The status bar shows the location and name of the saved file The first time you save...

Page 58: ... captured images You can record captured images as a video file or as a series of saved image files In both cases the recording steps are the same To record captured images as a series of image files Before recording captured images as a series of image files you must configure recording options by selecting Options from the Tools menu selecting the Recording tab and selecting Record as Images You...

Page 59: ...cording from the Capture menu or from the toolbar select 2 Enter the file name select the location for saving the video file and select Save As images are captured by the Frame Grabber they are recorded to the video file The status bar shows the name and location of the video file The status bar also displays the amount of time that the video has been recording and the number of frames or images r...

Page 60: ...ng Before broadcasting captured images over the Internet you need to set the display format to 24 bits per pixel See Chapter 16 Web Broadcasting on page 121 for more information about setting up web broadcasting To broadcast captured images over the Internet 1 Select Web Broadcasting from the Tools menu or from the toolbar select The Start web broadcasting dialog appears 2 Record the Internet addr...

Page 61: ...s You can pause web broadcasting new images by selecting Pause from the Capture menu or from the toolbar You can stop web broadcasting by selecting Stop Web Broadcasting from the Tools menu or from the toolbar When you stop web broadcasting the status bar displays SHARING OFF Menus This section describes the commands available from the following Windows video capture application menus File menu Ed...

Page 62: ...r shows the location and name of the saved file Save As Save a snapshot of the current image to a file on the video capture workstation Using Save As you can enter a file name and select a file location and format Save As resets the file name location and file format used by the Save command and the Save snapshot toolbar button When you select Save As the status bar shows the location and name of ...

Page 63: ...ge Only Esc to exit Change the video capture application to operate in image only mode In image only mode the video capture application displays the captured image only The window borders toolbar status bar and menu bar are not displayed Scroll bars are displayed if required Image only mode can be useful for applications such as integrating the video capture application into a custom system You ca...

Page 64: ... video capture application records See Recording display KVM and sharing options on page 69 Start Recording Start recording the current image to a video file or a series of image files Stop Recording Stop recording the current image Pause Pause or resume image capturing If you select pause the video capture application stops displaying new captured images and the image captured when you selected P...

Page 65: ...justments on page 136 Configuring DirectShow options on page 143 Configuring VGA modes on page 145 Web Broadcasting Broadcast the images being captured by the video capture application over the Internet See Chapter 16 Web Broadcasting on page 121 Upload EDID Use this command to upload an extended display identification data EDID file to your DVI2USB Frame Grabber See About EDID on page 133 Measure...

Page 66: ... new version This will happen if the latest version contains significant bug fixes or enhancements If a new video capture application version only contains minor changes Check for Updates may not recommend that you install a new version Figure 14 Displaying the video capture application version Enter KVM Mode Start operating the video capture application in KVM mode Reconnect KVM Re connect KVM mo...

Page 67: ...y a snapshot of the current image to the video capture workstation clipboard You can paste this image into a document or other application as a bitmap image Start or stop recording the images being captured by the video capture application as a series of image files or a video file When you start recording the status bar displays RECORDING and also displays information about the image files or vid...

Page 68: ...g images The web broadcasting status SHARING OFF means web broadcasting is turned off SHARING ON indicates that web broadcasting is turned on Recording status RECORDING means that the video capture application is recording captured images The frame rate that the Frame Grabber is operating at in frames per second fps For information about how the frame rate is determined see About the frame rate on...

Page 69: ... capture workstation Ctrl Shift S Save As Ctrl P Print a snapshot of the current image to the configured printer Ctrl Shift P Print Setup Ctrl C Copy a snapshot of the current image to the clipboard Ctrl R Start or stop recording images or video Ctrl U Pause or resume image capturing Ctrl W Start or stop web broadcasting Esc Exit Image Only mode Recording Configure how the video capture applicatio...

Page 70: ...broadcasting compression and performance on page 125 Record as Images Set the video capture application to record captured images as a series of image files saved on the video capture workstation For information about how to record images and image recording settings see Chapter 14 Recording image files on page 91 Record as Video Set the video capture application to record images as an AVI video f...

Page 71: ...ons from the Tools menu and select the Display tab to select the display format that the video capture application uses to display and record captured images As well you can use the display options to limit the frame rate that the video capture application uses You can also enable or disable options that control how the video capture application displays and prints images ...

Page 72: ...per pixel RGB 16 bits per pixel RGB 8 bits per pixel Grayscale 256 levels Grayscale 32 levels Black and white In most cases you should set the display format to RGB 24 bits per pixel This setting is required for most video codecs is supported by all image formats and is required for web broadcasting For descriptions of display formats and color depths see Color depth bits per pixel bpp on page 45 ...

Page 73: ...uce the frame rate to 30 fps without losing very much useful data The valid frame rate range is from 0 01 to 60 fps The default frame rate is 30 fps Resize window on resolution change Select this option so that the video capture application resizes the application window when the resolution of the VGA or DVI source changes This option does not affect recorded printed or saved images Fit image to w...

Page 74: ... is not compatible with the color depth of the video source In this case you could set the display format to match the requirements of your video codec You want to save disk space Setting display format to a lower color depth reduces the size of recorded image files or videos Using a lower display format color depth means that the video and image files saved by the video capture application are sm...

Page 75: ... the image format from RGB 16 to RGB 24 This results in extra CPU and memory usage and larger image or video files but the image quality or amount of information is still the same as in the original RGB 16 images that came from the Frame Grabber However in most cases even with a VGA2USB Frame Grabber you would usually operate at 24 bpp because this color depth is required by most video codecs and ...

Page 76: ...k and white causes the greatest demand on the video capture workstation CPU because the conversion is performed by the video capture application If you are capturing color images you should only set the display format to grayscale or black and white if you have a specific need for this color depth If you have concerns about performance you can make some trial recordings to ensure the video capture...

Page 77: ...guration settings for any Frame Grabber that you have connected to the video capture workstation even if the Frame Grabber is not operating or connected at the time If you change the configuration of a Frame Grabber that is not connected the configuration is stored on the video capture workstation and applied to the Frame Grabber when the Frame Grabber is connected and operating You can also selec...

Page 78: ...12 Windows video capture application Windows Epiphan USB device driver Page 78 Epiphan Frame Grabber ...

Page 79: ...o set up KVM see Chapter 17 Using the KVM2USB Frame Grabber on page 129 For many useful How To procedures see the How To page of the Epiphan Web Site This chapter assumes that you have followed the instructions in the Frame Grabber Installation Guide shipped with your Frame Grabber and also available as chapters 2 to 9 of this User Guide To start using this chapter you should have Selected a video...

Page 80: ...lbar Changing system preferences Upgrading to the latest Mac OS X software version From time to time Epiphan makes new versions of all Epiphan Frame Grabber software available from the Epiphan web site In most cases you can upgrade the Epiphan software on your Mac OS X video capture workstation by using normal procedures to download the latest version and install it without uninstalling the previo...

Page 81: ... find the most recent version of this Epiphan Frame Grabber User Guide and the most recent release of the Epiphan device driver QuickTime component and VGA2USB application compatible with MacOS X 10 4 and 10 5 Intel and PowerPC and 10 3 Starting the Mac OS X video capture application Before starting the video capture application the Frame Grabber must be connected to the video capture workstation ...

Page 82: ...window Mac OS X VGA2USB Frame Grabber If the video capture application successfully connects to and synchronizes with the Frame Grabber the video capture application window begins displaying captured images Figure 19 shows the parts of the video capture application window Title Bar Displays the product name of the Frame Grabber that the video capture application is receiving captured images from T...

Page 83: ...pboard 2 Paste the image into a document or other application as a bitmap image To save a snapshot of the current image as an image file You can use the following procedure to save the current image as a bmp png jpg or tiff file on the video capture workstation 1 Select Save from the File menu or from the toolbar select You can open the saved image file with most bitmap image editing applications ...

Page 84: ...us This section describes the commands available from the following Mac OS X video capture application menus VGA2USB menu File menu Edit menu View menu Tools menu VGA2USB menu Use the commands on the VGA2USB menu to view the current version of the video capture application configure preferences for the video capture application configure KVM preferences and exit the video capture application About...

Page 85: ...u Figure 21 General preferences Wide video mode This checkbox when selected allows Wide Aspect Ratio VGA modes to be displayed by the video capture application window The Epiphan USB device driver may not be able to determine whether the video source is sending a wide video mode signal You can select this option if your video source uses a wide video mode to make sure that the Epiphan USB device d...

Page 86: ...Limit the capture frame rate to use the video capture application to control the capture frame rate Specify a maximum number of frames per second Usually you would only limit the frame rate in this way if the video capture workstation is having performance problems If you limit the capture frame rate the video capture application records videos at the same rate as the limited frame rate If the lim...

Page 87: ...rol a headless machine KVM Trigger Event Select the key and mouse button combination that triggers switching between KVM mode and non KVM mode Save Image Save a snapshot of the current image to a file on the video capture workstation Select a location for the file and select a file format You can save the snapshot as a bitmap bmp portable network graphics png JPEG jpg file or tiff tiff file Page S...

Page 88: ...igure 23 Viewing VGA information Show Device Information Enable or disable displaying information about the current Frame Grabber at the top of the video capture application window Show adjustment Controls Override image adjustments When the video capture application first starts the application and the Frame Grabber adjust the captured image for optimal appearance However you may need to override...

Page 89: ...r tiff tiff file Copy a snapshot of the current image to the video capture workstation clipboard You can paste this image into a document or other application as a bitmap image Print a snapshot of the current image to the configured printer Full Screen mode Scale the video capture application window to fill the screen Override Image Adjustments When the video capture application first starts the a...

Page 90: ... print images you should configure Epiphan QuickTime integration options by opening System Preferences and selecting VGA2USB under Other and configuring QuickTime settings See Setting QuickTime options for recording videos Mac OS X on page 111 You can also select About to view information about the current software and driver versions Figure 24 System preferences about ...

Page 91: ...rding image files Viewing saved image files Configuring image file recording options You should review and modify image file recording options before recording captured images as image files Using image file recording options you can control the format of the image files control the file naming system used for saving the image files and determine whether to save all captured images or to be select...

Page 92: ...g Filename generation Use the filename generation options to control the names of the saved image files and the location on the video capture workstation to which to save the files Folder Type in the path to the folder or select the folder button to select the folder into which to save image files All of the image files will be saved into this folder Prefix Enter a prefix to be added to the start ...

Page 93: ...and so on The suffix 04X means the saved file names would end with 4 digit hexadecimal numbers for example 0001 0002 0003 000A 000B Start Enter the starting number used in the file name suffixes in decimal format If the suffixes include hexadecimal numbering this decimal number is automatically converted to hexadecimal Example Displays an example file name constructed by the prefix and suffix that...

Page 94: ...Wait Save the first captured image at the start of a recording session but wait until the specified number of seconds minutes or hours has passed before saving the next image Continue waiting the specified time period between saving captured images Use this option to reduce the number of images saved during a recording session You can set wait for up to 10 000 hours Automatically turn recording of...

Page 95: ... to change how image files are recorded on page 95 To record image files 1 Start capturing the images to be recorded 2 Select Start Recording from the Capture menu or from the toolbar select As images are captured by the Frame Grabber they are recorded as a series of image files according to the image file settings on the Recording tab of the Options dialog The Status bar shows the names and locat...

Page 96: ... image files saved For example the message Wrote 31 files indicates the video capture application saved 31 image files Viewing saved image files The video capture application saves image files in the popular file formats that you can view using most bitmap graphics viewer or editor software programs Figure 26 shows a saved image file named 640x480 png displayed using the GIMP bitmap graphics edito...

Page 97: ...les on a video capture workstation running Windows 2000 XP or Vista Under Windows 2000 XP or Vista the Epiphan video capture application records videos as windows avi files The avi files are created and saved by an external codec that must be installed on the video capture workstation The Epiphan video capture application passes captured images to the video codec and the codec does the recording S...

Page 98: ...ow or have poor compression If a codec is too slow the video recording frame rate may be too low to produce a good quality video without compromising the performance of the video capture workstation If a video codec has poor compression the recorded avi files could become very large Display Format The video capture application records video files with the same color depth as the display format Usu...

Page 99: ... to Video 5 Select the Select Codec button 6 Select the Compressor list to view the list of video codecs available on the video capture workstation Figure 27 Example list of installed Windows video codecs Although a number of codecs may be available Epiphan recommends that you select a third party codec to purchase or download that will meet your requirements Select a video codec that can record v...

Page 100: ...vfw video codec pack 1 Make sure the Display Format is set to RGB 24 bits per pixel Check by selecting Options from the Tools menu and selecting Display See Setting display options for recording videos on page 98 2 Select the following link to download the ffvfw codec pack http www free codecs com download_soft php d 313 s 205 This link starts a download of the file ffvfw 20031028 exe which is the...

Page 101: ...ts 11 Select OK three times to save your changes Figure 28 Configuring the ffvfw codec pack Encoder MS MPEG4 v2 FOURCC MP42 Mode one pass quality Quality Between 1 and 100 Selecting a higher quality may reduce the frame rate and increase the size of the video files produced by the codec You may want to experiment with the quality setting to achieve optimum results ...

Page 102: ...o file recording options you can control the maximum size of the video files between 1 and 4095 Mbytes and control the file naming system used for saving the video files Figure 29 Options for restarting recording To configure video file recording options 1 Start the video capture application 2 On the Tools menu select Options 3 On the Recording tab select Record As Video 4 Configure the following ...

Page 103: ...matically restart recording video recording stops when the size limit is reached Automatically restart recording If you select this option a new file is created and recording continues each time the video file size limit is reached Overwrite the same file After the video file size limit is reached delete the original file and start recording a new video file with the same name If you select this o...

Page 104: ...in numbering the suffix You can specify 2 4 6 or 8 digits d means use decimal numbers in the suffix X means use hexadecimal numbers in the suffix The suffix 02d means the saved file names would end with two digit decimal numbers for example 01 02 03 10 11 and so on The suffix 04X means the saved file names would end with 4 digit hexadecimal numbers for example 0001 0002 0003 000A 000B starting wit...

Page 105: ...nnect the Epiphan Frame Grabber to the video source that you want to record from and to the video capture workstation 2 On the video capture workstation start the video capture application 3 Make sure the video capture application is displaying the captured images that you want to record 4 Select Start Recording from the Capture menu or from the toolbar select Overwrite existing files If you selec...

Page 106: ...s on page 102 describes how to specify the file name overwrites the original video file and continues recording You can pause recording by selecting Pause from the Capture menu or from the toolbar You can stop recording by selecting Stop Recording from the Capture menu or from the toolbar When you stop recording the Status bar shows the name and location of the saved video file the amount of time ...

Page 107: ...apture images using an Epiphan Frame Grabber Even though these instructions are specific to Virtual Dub you can apply them to any third party video capture application that can get images from DirectShow For more information about DirectShow see DirectShow on page 37 Epiphan Frame Grabbers communicate with VirtualDub using the DirectShow API Any DirectShow compatible image capture application inst...

Page 108: ...ct Get Pictures to save images captured by the Frame Grabber Before you start recording images with VirtualDub You must have the following components before starting to record images using VirtualDub An Epiphan Frame Grabber A VGA DVI or Dual DVI video source A video capture workstation running Windows 2000 XP or Vista See Chapter 2 System Requirements on page 11 for video capture workstation syst...

Page 109: ...using VirtualDub Now that you have downloaded and installed all the required software the video source is producing images and the Epiphan Frame Grabber is connected to the video source and the video capture workstation you can use the following steps to record captured images as video files with VirtualDub 1 Start the VirtualDub application 2 From the File menu select Capture AVI VirtualDub chang...

Page 110: ...age adjustments and DirectShow options for images captured and recorded by VirtualDub or any other DirectShow application See Configuring image adjustments on page 136 and Configuring DirectShow options on page 143 Recording videos for Mac OS X This section describes how to use an application called HackTV Carbon to record video files on a video capture workstation running Mac OS X To use HackTV C...

Page 111: ... files Mac OS X Playing back a video file Mac OS X Setting QuickTime options for recording videos Mac OS X Before starting to record videos you should configure Epiphan QuickTime integration options by opening System Preferences and selecting VGA2USB under Other and configuring QuickTime settings Figure 30 Mac OS X VGA2USB system preferences ...

Page 112: ... reported to QuickTime regardless of the actual resolution of the image and whether or not a video signal is present All images are scaled to the fixed resolution Default Frame Rate Usually you can set the frame rate in the QuickTime compatible video recording application If you cannot set the frame rate in the application set the default frame rate that the Epiphan USB device driver sends to Quic...

Page 113: ...ou select Full Size from the HackTV Carbon Monitor menu to record full size video files 1 Connect the Epiphan Frame Grabber to the video source that you want to record from and to the Mac OS X video capture workstation 2 On the Mac OS X video capture workstation start HackTV Carbon 3 From the HackTV Carbon Monitor menu select Video Settings and then Source 4 Select the serial number of your Frame ...

Page 114: ... a video in the video format supported by the application This section describes Recording video files Linux Playing back a video file Linux Recording video files Linux Use the following procedure to record captured images as a video file on a video capture workstation running Linux This procedure assumes that you have installed the Epiphan USB device driver and Video4Linux and a video capture or ...

Page 115: ...ure or recording application you would select a video source with a name similar to DVI2USB Solo by Epiphan Systems Inc After a short pause the images being captured by the Frame Grabber appear in the Video4Linux compatible video capture or recording application window 4 Specify the name and location of the video file to be created when you start capturing images 5 Start recording captured images ...

Page 116: ...15 Recording videos Recording videos for Linux Page 116 Epiphan Frame Grabber ...

Page 117: ...15 Recording videos Recording videos for Linux User Guide Page 117 ...

Page 118: ...15 Recording videos Recording videos for Linux Page 118 Epiphan Frame Grabber ...

Page 119: ...15 Recording videos Recording videos for Linux User Guide Page 119 ...

Page 120: ...15 Recording videos Recording videos for Linux Page 120 Epiphan Frame Grabber ...

Page 121: ...ting feature included with the Epiphan video capture application is intended as a demonstration only and has a 5 minute time limit You can contact Epiphan at info epiphan com to permanently enable the web broadcasting account for your Frame Grabber This change is made on the Epiphan web broadcasting server and the change is not visible to the user Caution The images broadcast over the Internet are...

Page 122: ...web broadcasting 1 Open the video capture application 2 From the Tools menu select Options 3 Select the Display tab 4 Set Display Format to RGB 24 bits per pixel 5 Optionally limit the frame rate to reduce the number of images sent over the Internet reducing the amount of bandwidth being used Depending on your requirements you may not have to change any other display settings See Configuring displ...

Page 123: ...e Internet The following procedure is the same whether or not Epiphan has permanently enabled web broadcasting for your Frame Grabber To start a web broadcasting session Before broadcasting captured images over the Internet you need to set the display format to 24 bits per pixel 1 Connect the Epiphan Frame Grabber to the video source that you want to broadcast and to the video capture workstation ...

Page 124: ...ternet The Status bar displays SHARING ON Users can use any web browser and connect to the Internet address to view the broadcast See Viewing a web broadcasting session on page 124 for more information about the system requirements for viewing web broadcasts You can pause web broadcasting by selecting Pause from the Capture menu or from the toolbar You can stop web broadcasting by selecting Stop W...

Page 125: ...b presentation has been opened in a new window You can also use the first window to refresh the broadcast or re open the broadcast window if it is accidentally closed Changing web broadcasting compression and performance Normally you would not need to change the default web broadcasting compression settings The default settings reduce the amount of Internet bandwidth used for web broadcasting by a...

Page 126: ...of the video capture workstation CPU resources The default lossless setting is 5 The range is 1 Speed the lowest lossless compression to 9 Compression the highest lossless compression Lossy compression Lossy compression compresses the images being broadcast by reducing image quality Lossy compression is not as CPU intensive as lossless compression The default lossy setting is 75 The range is 10 Co...

Page 127: ...esulting in the video capture workstation not being able to process all image data Lossless compression increases CPU usage so you can reduce CPU usage during web broadcasting by reducing lossless compression Note You cannot change web broadcasting compression during a web broadcast You must stop the broadcast adjust the settings and then start the broadcast again Changes made to default web broad...

Page 128: ...sy compression reduces image quality you can move the lossy slider closer to Quality to reduce the lossy compression and improve the quality of the image Improving performance by lowering the frame rate You can also improve the performance of web broadcasting by lowering the frame rate Lowering the frame rate reduces the amount of Internet bandwidth usage by reducing the number of frames broadcast...

Page 129: ... the server in different operation modes if supported by the server and configuring the headless server BIOS settings You use a custom Epiphan cable to connect the KVB2USB device to the server The custom cable connects to the mouse and keyboard ports using USB or PS 2 connections and to the VGA or DVI port of the server The other end of the cable connects to the KVM2USB KVM input port The KVM2USB ...

Page 130: ...OS X from the VGA2USB menu select Preferences then select KVM and select Enable KVM Support Use the KVM trigger event mouse and keyboard combination to start KVM mode The server s display appears in the video capture application window To set KVM preferences for Windows see KVM menu on page 65 To set KVM preferences for Mac OS X see KVM preferences on page 86 4 Use the keyboard and mouse of the ad...

Page 131: ... by another application on the management PC or on the server Setting a good KVM triggering event makes it easier and more efficient to enter and exit KVM mode You can select the right middle or left mouse button and any combination of the Ctrl Alt and Shift keys 4 Select OK to save your changes To stop KVM mode On the administrator s PC video capture application from the KVM menu select Exit KVM ...

Page 132: ...17 Using the KVM2USB Frame Grabber Page 132 Epiphan Frame Grabber ...

Page 133: ...or and therefore to determine the resolution color depth and other settings that the monitor will accept EDID is defined by a standard published by the Video Electronics Standards Association VESA The EDID includes manufacturer name product type phosphor or filter type timings supported by the display device display size luminance data and for digital displays only pixel mapping data EDID is cruci...

Page 134: ...rates at 1040x768 When the video source reads the EDID from the Frame Grabber the video source will reset to operate at 1024x768 as set in the EDID You can obtain custom EDID files from Epiphan Support You can also download custom EDID files for DVI2USB frame grabbers from the DVI2USB DVI2USB Solo DVI2USB Duo EDIDs page of the Epiphan web site This page contains custom EDIDs for single video resol...

Page 135: ...DVI cable to the Frame Grabber 6 Set the required resolution on the video source You may need to disable re enable or reset the DVI port How you do this depends on your DVI source but could involve restarting the device entering a reset command or pressing a reset button EDID example In this example a user was viewing the video output from a system using a flat panel monitor The monitor displayed ...

Page 136: ...d support for 720x400 When the user uploaded the custom EDID to the Frame Grabber the video source returned to operating at 640x480 Configuring image adjustments On Windows from the Capture menu you can select Configure Device and then select the adjustments tab to configure image capture adjustments You can also configure image adjustments from the VGA2USB control panel application See Windows Ep...

Page 137: ...ments See Windows command line options on page 149 On Mac OS X from the View menu you can select Show Adjustment controls or from the Toolbar you can select the Adjust icon to configure basic and advanced capture adjustments Figure 37 Mac OS X basic image capture adjustment options Figure 38 Mac OS X advanced image capture adjustment options ...

Page 138: ...n will stop capturing images To start capturing images again you need to exit from and restart the video capture application Note Because image adjustments are made automatically there are no default image adjustment settings Also changing image adjustments means making relative adjustments from the settings auto configured by the system Sampling Phase Adjust the sampling phase to change the horiz...

Page 139: ...PLL adjustment adjusts the vertical synchronization properties of the image In Figure 40 if the image in the video capture application window displays a similar quality of image as shown in Image D then select and adjust the sampling phase in small steps until a sharper image is displayed in the video capture application window ...

Page 140: ...ss on the horizontal axis of the image as shown in Image C and Image D above Horizontal and Vertical Shift Using the horizontal and vertical shift adjustments you can offset the image position on the screen For example Image E in Figure 41 shows a captured image shifted slightly to the right horizontally and slightly downward vertically To correct the image position minor adjustments to these sett...

Page 141: ... the left or right respectively Increasing or decreasing the Vertical setting will cause the image to be shifted upward or downward respectively Offset and Gain Controls brightness contrast The offset and gain settings control the image brightness and contrast respectively Increasing the offset control causes the image to become darker Increasing the Gain control gives the image more contrast ...

Page 142: ...ts a wide video mode Resetting image adjustments Use the following procedure to turn off image adjustments settings so that image adjustments can return to being set automatically To reset image adjustments 1 Start the video capture application 2 From the Capture menu select Configure Device 3 Select the Adjustments tab 4 Disable all types of image adjustments by clearing all checkboxes 5 Select O...

Page 143: ...also configure DirectShow options from the VGA2USB control panel application Figure 42 Configuring DirectShow options Fix Resolution Control the image resolution reported to DirectShow and so used by DirectShow compatible applications You can use this option to cause DirectShow to expand or shrink the image recorded by DirectShow compatible video capture applications The available resolutions rang...

Page 144: ...moves pixels as required to resize an image If you set scaling to No Resizing the Epiphan USB device driver does not resize the image sent to DirectShow If the actual resolution of the video signal is smaller than the fixed resolution the image appears in DirectShow compatible video capture applications with a border around it If the actual resolution is larger than the fixed resolution the image ...

Page 145: ...me rate at which your Frame Grabber can capture images You can reduce the frame rate to reduce the number of images captured by the Frame Grabber You may want to reduce the frame rate to reduce the load on the video capture workstation or to reduce the size of recorded video files For example if the Frame Grabber can capture up to 60 frames a second fps this frame rate may use close to 100 CPU usa...

Page 146: ...nfigure the Frame Grabber to operate in a custom VGA mode Figure 43 Configuring VGA Modes The Frame Grabber acts like a display device Many VGA sources set the VGA mode that they use by checking the VGA modes the display device can use and then setting their VGA output mode to match So if you can control the VGA mode that the Frame Grabber uses you may be able to control the VGA mode that the VGA ...

Page 147: ...e Frame Grabber will automatically select the custom video mode that most closely matches the VGA output If you want to make sure that a the Frame Grabber selects a specific custom video mode you can unselect all standard VGA modes and all custom VGA modes except for the one that you want the Frame Grabber to use Usually you would configure a custom VGA mode to match the custom VGA mode of your VG...

Page 148: ...apture menu select Configure Device 5 Select the VGA Modes tab 6 Select to add a custom VGA mode Figure 44 Adding a custom VGA mode 7 Configure the custom VGA mode with the following information Refresh rate Select Interlaced if required The following horizontal timings in pixels Active area Front porch Sync time Back Porch Sync polarity positive or negative The following vertical timings in pixel...

Page 149: ... control how the Windows video capture application starts up You can add as many command line options as you want in any order All command line options must start with two dashes Separate command line options with spaces See Creating a Windows shortcut that uses command line options on page 150 for some examples borderless Start the video capture application in image only mode You can press Esc to...

Page 150: ...GA2USB DVI2USB KVM2USB 2 Right click on the file v2ugui2 exe and select Create Shortcut Windows creates a shortcut file that depending on your Windows settings may be named Shortcut to v2ugui2 exe lnk The lnk may not appear if Windows does not display file extensions You can change the name of this file and copy it to another location if required Don t change the file extension 3 Right click on th...

Page 151: ...on of the VGA or DVI source on the Frame Grabber that you are using and on the video capture workstation hardware For Frame Grabbers that do not support hardware compression performance and frame rate is limited mostly by USB throughput The theoretical limit for USB 2 0 is 60 MB sec and the practical limit for bulk transfers is between 20 and 40 MB sec The theoretical maximum frame rate can be det...

Page 152: ... Grayscale 1 byte per pixel For Frame Grabbers that support hardware compression the VGA2USB LR HR Pro DVI2USB Solo Duo the maximum real frame rate very much depends on the entropy statistical properties of the input VGA or DVI signal In other words the frame rate depends on how well the signal can be compressed or how much the next frame is different from the previous one The frame rate can range...

Page 153: ...t a VGA2USB including LR HR and Pro on page 17 Autosave is enabled but there are no image files saved Filename settings are not properly setup See the File Name Generation Settings described in Configuring image file recording options on page 91 When Web Broadcasting is enabled the following message appears Sharing has been stopped The Internet connection on the host computer is not functioning pr...

Page 154: ...18 Advanced topics Troubleshooting Page 154 Epiphan Frame Grabber ...

Page 155: ...te 46 72 76 bmp 42 borderless command line option 63 bpp 45 bridge VGA 121 broadcast captured images 60 changing compression 125 changing performance 125 connected to a LAN 123 images over the Internet 121 Internet address 124 Java 124 pause 64 pausing 124 setting the display format 122 broadcasting starting a session 123 C capture 46 menu 64 turn off automatically 70 capture API 37 Linux 44 Mac O...

Page 156: ...g 126 configuration default 77 configure device 76 command 65 connecting a DVI2USB 18 19 connecting a DVI2USB Duo 22 23 connecting a DVI2USB Solo 20 21 connecting a KVM2USB Solo 24 25 connecting a VGA2USB 17 connecting a VGA2USB device 16 connecting a VGA2USB HR 17 connecting a VGA2USB LR 17 connecting a VGA2USB Pro 17 control panel VGA2USB 108 control panel application 36 USB device driver 36 Win...

Page 157: ...2 about 74 recording image files 95 98 setting for web broadcasting 122 DVI 47 video source 30 DVI2USB connecting 18 19 package contents 18 DVI2USB by Epiphan Systems Inc 108 DVI2USB Duo connecting 22 23 package contents 22 DVI2USB Solo connecting 20 21 package contents 20 E EDID about 133 changing 135 upload 65 135 Edit menu 63 enable KVM support 87 enter KVM mode command 66 Epiphan capture API 3...

Page 158: ...e grabbing 46 frame rate about 151 frame grabber 32 limit 73 145 151 limiting 86 frames per second 68 full screen 88 G general preferences 85 getting started Mac OS X 79 Windows 51 glossary 45 grayscale See greyscale 46 greyscale 76 256 levels 46 72 32 levels 46 72 H HackTV Carbon 41 110 hard disk space 11 hardware requirements 11 hard disk space 11 processor speed 11 RAM memory 11 USB port 11 hea...

Page 159: ...g with other applications image only mode 63 Internet broadcasting images 121 Internet address web broadcast 124 invert colors for printing 58 73 J Java 124 jpeg 42 K kernel mode 34 USB device driver 34 KVM enable KVM support 87 menu 65 preferences 86 trigger event 87 triggering event 130 KVM2USB 65 BIOS settings 129 package contents 24 using 129 KVM2USB Solo connecting 24 25 L LAN web broadcastin...

Page 160: ...le 61 KVM 65 Tools 65 View 63 message applet is loading please wait 125 wrote files 59 96 millions of colors 45 mode configuring VGA modes 145 MS MPEG 4 V2 video codec 100 N no resizing DirectShow scaling 144 no signal detected 55 82 O options command 65 override 65 89 overwrite existing files image file 93 video file 105 overwrite the same file 103 P page setup 87 page setup command 87 paste past...

Page 161: ... 66 record 48 avi 97 captured images from DirectShow 109 captured images using VirtualDub 109 video 105 113 114 video from DirectShow 109 video using a DirectShow application 107 video using VirtualDub 109 videos 97 videos for Linux 114 videos for Mac OS X 110 videos for Windows 97 videos for Windows Vista 97 videos for Windows XP 97 record as images 58 captured image 58 record as video file captu...

Page 162: ... 8 8 format 45 RGB 16 bits per pixel 72 RGB 24 bits per pixel 45 72 RGB 8 bits per pixel 72 S save captured image 57 83 current image 62 87 image 87 save as 62 snapshot 62 87 save all frames image file 94 save as captured image 57 command 62 shortcut key 69 scaling DirectShow 144 no resizing 144 pixel resize 144 scanners and cameras Epiphan Frame Grabber 108 SDK capture API 38 USB device driver 36...

Page 163: ...4 start recording command 64 status bar 56 show frame count 74 view 63 stop recording command 64 suffix image file 93 video file 104 T third party video capture application 107 thousands of colors 45 tiff 42 title bar 55 82 toolbar 55 67 83 change button size 63 88 command 67 display 63 88 hide 63 88 view menu 63 88 Tools menu 65 trigger KVM 130 trigger event KVM 87 troubleshoot 127 troubleshootin...

Page 164: ...ents 16 VGA2WEB 121 video codec 38 display options 98 111 installing a video codec 100 options for recording video files 102 playing back a video file 106 114 115 recording 97 105 113 114 recording captured images 105 113 114 recording for Linux 114 recording for Mac OS X 110 recording for Windows 97 recording for Windows Vista 97 recording for Windows XP 97 recording from DirectShow 109 recording...

Page 165: ...25 changing performance 125 command 65 high CPU 127 Internet address 124 Java 124 pausing 124 problems with 127 troubleshooting 127 web broadcasting 60 121 124 127 pause 64 required color depth 75 starting a session 123 wide video mode 85 Widows recording a video 105 window resize 73 Windows DirectShow 34 getting started 51 installing a video codec 100 installing the VGA2USB DVI2USB drivers and ap...

Page 166: ...Page 166 Epiphan Frame Grabber ...

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