User`s manual

DIGITAL-LOGIC AG MPC40/A/B/C, MPC41 Manual V1.4C
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7 SOFTWARE
7.1 Video Framegrabber
7.1.1 AMCap 878A for WINDOWS
Location: \Drivers\MPC4x_x-MPCF40\VIDEO_IN
AMCap from Microsoft-XP is a sample application which can preview and capture input from audio / video
capture PC peripherals, including (but not limited to) 1394 conferencing cameras, DV camcorders, USB mi-
crophones and webcams, and TV tuner cards. AMCap is provided in the Windows DDK as a tool for testing
Video Capture drivers and drivers.
Usage
-File - AMCap can save audio and / or video as a file in the Microsoft AVI (Audio Video Interleave) format.
See the DirectX documentation for additional information on AVI files
-File -Set Capture File - specify a file location for the captured file (before capture)
-File -Allocate File Space - pre-allocate a file for improved performance (generally unnecessary on PCs
faster than 200 mHz)
-File -Save Captured Video As - save a captured file (after capture)
-Devices - AMCap lists the Video and Audio devices available on the menu. You can select from multiple
choices
-Options
-Options -Preview – toggle video preview on / off
-Options -Audio Format – specify audio capture options
-Options -Video Capture Filter – specify video filter settings (see the DirectX SDK for additional information)
Selects PAL/NTSC or SECAM Format !
-Options -Video Capture Pins – specify video filter settings (see the DirectX SDK for additional information)
-Capture -Start Capture – start capture to file
-Capture -Stop Capture – stop capture to file (pressing the Escape key will also halt the capture)
-Capture -Capture Audio – toggle audio capture on / off
-Capture -Closed Captioning – toggle closed captioning on / off (closed caption enabled device must be
available – see DDK documentation for details)
-Capture -Master Stream – specify which stream (audio, video, none) is used to synchronize the capture
-Capture -Set Frame Rate – select the frames per second for video capture
-Capture -Set Time Limit – specify a length of time for the capture to last
Complete documentation for AMCap (including source code) is in the Microsoft DirectX SDK, which is avail-
able as a free download on the DirectX Home Page at http://www.microsoft.com/directx.
Channel selection:
Channel 1 = internal TV-Tuner
Channel 2 = external Svideo Source (input on the rearside)
Channel 3 = not used