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# Check for vfw32 support
IF("VTK_USE_VIDEO_FOR_WINDOWS" MATCHES "^VTK_USE_VIDEO_FOR_WINDOWS$")
MESSAGE(STATUS "Checking if vfw32 is available")
TRY_COMPILE(VTK_USE_VIDEO_FOR_WINDOWS_DEFAULT
${VTK_BINARY_DIR}/CMakeTmp
${VTK_CMAKE_DIR}/vtkTestvfw32.cxx
CMAKE_FLAGS "-DLINK_LIBRARIES:STRING=vfw32"
OUTPUT_VARIABLE OUTPUT)
IF(VTK_USE_VIDEO_FOR_WINDOWS_DEFAULT)
MESSAGE(STATUS "Checking if vfw32 is available -- yes")
OPTION(VTK_USE_VIDEO_FOR_WINDOWS "Enable using Video for Windows (vfw32) for video input and output." ON)
WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
"Checking if vfw32 is available "
"passed with the following output:\n"
"${OUTPUT}\n" APPEND)
ELSE(VTK_USE_VIDEO_FOR_WINDOWS_DEFAULT)
MESSAGE(STATUS "Checking if vfw32 is available -- no")
OPTION(VTK_USE_VIDEO_FOR_WINDOWS "Enable using Video for Windows (vfw32) for video input and output." OFF)
WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
"Checking if vfw32 is available "
"failed with the following output:\n"
"${OUTPUT}\n" APPEND)
ENDIF(VTK_USE_VIDEO_FOR_WINDOWS_DEFAULT)
MARK_AS_ADVANCED(VTK_USE_VIDEO_FOR_WINDOWS)
ENDIF("VTK_USE_VIDEO_FOR_WINDOWS" MATCHES "^VTK_USE_VIDEO_FOR_WINDOWS$")
# Check if vfw32 supports the video capture functions
IF(VTK_USE_VIDEO_FOR_WINDOWS)
IF("VTK_VFW_SUPPORTS_CAPTURE" MATCHES "^VTK_VFW_SUPPORTS_CAPTURE$")
MESSAGE(STATUS "Checking if vfw32 supports video capture")
TRY_COMPILE(VTK_VFW_SUPPORTS_CAPTURE
${VTK_BINARY_DIR}/CMakeTmp
${VTK_CMAKE_DIR}/vtkTestvfw32Capture.cxx
CMAKE_FLAGS "-DLINK_LIBRARIES:STRING=vfw32"
OUTPUT_VARIABLE OUTPUT)
IF(VTK_VFW_SUPPORTS_CAPTURE)
MESSAGE(STATUS "Checking if vfw32 supports video capture -- yes")
SET(VTK_VFW_SUPPORTS_CAPTURE 1 CACHE INTERNAL "Enable using Video for Windows (vfw32) for video capture.")
WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
"Checking if vfw32 supports video capture "
"passed with the following output:\n"
"${OUTPUT}\n" APPEND)
ELSE(VTK_VFW_SUPPORTS_CAPTURE)
MESSAGE(STATUS "Checking if vfw32 supports video capture -- no")
SET(VTK_VFW_SUPPORTS_CAPTURE 0 CACHE INTERNAL "Enable using Video for Windows (vfw32) for video capture.")
WRITE_FILE(${CMAKE_BINARY_DIR}/CMakeFiles/CMakeOutput.log
"Checking if vfw32 supports video capture "
"failed with the following output:\n"
"${OUTPUT}\n" APPEND)
ENDIF(VTK_VFW_SUPPORTS_CAPTURE)
ENDIF("VTK_VFW_SUPPORTS_CAPTURE" MATCHES "^VTK_VFW_SUPPORTS_CAPTURE$")
ELSE(VTK_USE_VIDEO_FOR_WINDOWS)
SET(VTK_VFW_SUPPORTS_CAPTURE 0)
ENDIF(VTK_USE_VIDEO_FOR_WINDOWS)
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