Inventa VOVERLAY User Manual Download

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VOVERLAY User Manual

Page 1

Version 1.2.1.0

VOVERLAY

PCI Card for Realtime Text and Graphics Overlay on Video

User Manual

Version 1.2.1.0

Copyright

2010 Inventa Australia Pty Ltd

Table of Contents

1. Main Features & Functions

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2. Package Contents

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3. Minimum System Requirement

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4. Hardware Installation

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5. Software Installation

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6. Starting the Software

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7. Operate Voverlay Card

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7.1 Generic Operations

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7.2 Overlay Items

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7.2.1 Text Overlay Item

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7.2.2 Timer Overlay Item

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7.2.3 Graphics File Overlay Item

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7.2.4 Card Operation Overlay Item

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7.2.5 Window Overlay Item

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7.3 Overlay Item List

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7.4 Using Multiple Voverlay Cards

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8. Support

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9. Source Code

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Summary of Contents for VOVERLAY

Page 1: ...Contents 2 3 Minimum System Requirement 2 4 Hardware Installation 2 5 Software Installation 2 6 Starting the Software 6 7 Operate Voverlay Card 6 7 1 Generic Operations 7 7 2 Overlay Items 7 7 2 1 Text Overlay Item 7 7 2 2 Timer Overlay Item 9 7 2 3 Graphics File Overlay Item 10 7 2 4 Card Operation Overlay Item 12 7 2 5 Window Overlay Item 13 7 3 Overlay Item List 14 7 4 Using Multiple Voverlay C...

Page 2: ...for time date mille second frame number Overlay Card Operation support for instant screen clear area alpha change port I O selection etc Overlay Windows support for constantly displaying any window s content to external TV VCR Constant Alpha Channel Value Change under software control for timing and increment Horizontal and Vertical Moving Text Graphics Overlay with software configurable steps and...

Page 3: ... on the installation CD Disk During the driver installation ignore those warnings claiming the device driver has not passed Windows Logo testing etc press Continue Anyway to keep going until the driver is installed then check the Windows ControlPanel to make sure the System Hardware DeviceManager Sound video and game controllers category has a device driver line Voverlay ver b for windows XP Vista...

Page 4: ...eManager window preceded by a yellow question mark or exclamation mark since Windows will not cannot install the device driver software This item will need update driver operation right mouse click then select Update driver to install the proper driver software from the driver folder on the Setup CD before the VOVERLAY card and application software can be used properly Alternatively you can delete...

Page 5: ...tware click Next on the VOVERLAY Setup Wizard window which normally starts up automatically after inserting the set up CD or will appear after double clicking the Setup exe software on the set up CD then follow the on screen instructions to install the application software 5 4 To remove the installed software run VoverlayUninstall exe from the Voverlay program group ...

Page 6: ...cking this icon will start the software The software can also be started from Window s Start Program Files Inventa Voverlay group 7 Operate Voverlay Card Once started VOVELAY will display its main window Mouse clicking the Action menu will show its menu items Selecting the Setup Card Overlay item will start the Setup Overlay window where all the major operations for VOVERLAY card can be accomplish...

Page 7: ...phics File Card Operation and Window theses are used to differentiate the functions and features each type of item can operate Overlay Item Types are selected through the Item Type Combo box Each time a different Item Type is selected specific buttons and combox etc controls relevant to that Item Type will be displayed Pressing the Display button between the Overlay Item and Overlay Item List area...

Page 8: ...val time in Step increment decrement such as gradually fading in or fading out The Alpha Rotate controls when the changing Alpha Start value reaches the Alpha End if it will gradually change back from the Alpha End back to Alpha Start in Step increment decrement or it will abruptly jump back to the original Alpha Start value The Alpha Duration below AlphaBk field controls how long this Alpha Start...

Page 9: ...lay items except the displayed text is always the current time and date if Display Date checkbox is checked The setting in the screen shot below displays a one second interval timer at 20 0 position with transparent background Background Colour must be Black that will run forever until being stopped manually since Duration is zero The Erase Prev Timer checkbox controls if to clear the previously d...

Page 10: ... a value zero as supplied on the screen For example when Transparent checkbox is ticked and the Transparency Colour set to blue RGB 0 0 255 a graphics file with people in front of a blue background will be displayed only with the people over the incoming video the blue background becomes invisible achieving in a blue screen effect 2 TKErrorRange This value makes pixels on the graphics file whose c...

Page 11: ...pha Start Alpha End are 128 1 Transparent and Clear Old Overlay Value Ticked 2 Transparent Ticked Clear Old Overlay Value Cleared 4 Raster Operation This controls how the pixels of the graphics file will be combined with the overlay pixels already being displayed on the same position by previous Overlay operations if there is any SRCCOPY means the new pixels completely replace the original pixel S...

Page 12: ...sparent checkbox is not ticked the Foreground Colour will be used to fill the area s pixels while if the Transparent checkbox is ticked then the Foreground Colour will be used to fill the area s pixels where the current colours are different from the Transparency Colour Also in this Overlay Area Set Colour card operation if the Transparent is ticked and the Move Step and Interval fields have value...

Page 13: ...ea s contents Clicking the Erase on Exit checkbox means the window s display will be cleared when the display duration expires or the display is manually stopped The Pause Time means how long the executing thread will pause in between displaying consecutive frames of the selected window For a live video animation displaying window set this time to 40 80 mille seconds will give good smooth moving r...

Page 14: ...ist file items already in the list box will be cleared 7 4 Using Multiple Voverlay Cards To operate multiple 2 32 Voverlay cards on the same PC select each card s number from the Selected Card Combo box first card is number 0 then apply any operation on this card When using timer based overlay items such as Timer or moving text manual start of an item will automatically stop other timer based item...

Page 15: ...h full C source code together with the Voverlay card s SDK An sample VisualBasic application VoverlayVB exe is also supplied with full source code both applications with source codes and their Microsoft VisualStudio project files are under the src folder on the Setup CD Please note Microsoft Net Framework 3 5 and above is required to run the VoverlayVB exe ...

Page 16: ...VOVERLAY User Manual Page 16 Version 1 2 1 0 ...

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