From Eric Wing, QTKit plugin for reading movies under OSX using QTKit + CoreVideo

CMakeModules/FindCoreVideo.cmake

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+# Locate Apple CoreVideo (next-generation QuickTime)
+# This module defines
+# COREVIDEO_LIBRARY
+# COREVIDEO_FOUND, if false, do not try to link to gdal 
+# COREVIDEO_INCLUDE_DIR, where to find the headers
+#
+# $COREVIDEO_DIR is an environment variable that would
+# correspond to the ./configure --prefix=$COREVIDEO_DIR
+#
+# Created by Eric Wing. 
+
+# CoreVideo on OS X looks different than CoreVideo for Windows,
+# so I am going to case the two.
+
+IF(APPLE)
+  FIND_PATH(COREVIDEO_INCLUDE_DIR CoreVideo/CoreVideo.h)
+  FIND_LIBRARY(COREVIDEO_LIBRARY CoreVideo)
+ENDIF()
+
+
+SET(COREVIDEO_FOUND "NO")
+IF(COREVIDEO_LIBRARY AND COREVIDEO_INCLUDE_DIR)
+  SET(COREVIDEO_FOUND "YES")
+ENDIF()
+

CMakeModules/FindQTKit.cmake

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+# Locate Apple QTKit (next-generation QuickTime)
+# This module defines
+# QTKIT_LIBRARY
+# QTKIT_FOUND, if false, do not try to link to gdal 
+# QTKIT_INCLUDE_DIR, where to find the headers
+#
+# $QTKIT_DIR is an environment variable that would
+# correspond to the ./configure --prefix=$QTKIT_DIR
+#
+# Created by Eric Wing. 
+
+# QTKit on OS X looks different than QTKit for Windows,
+# so I am going to case the two.
+
+IF(APPLE)
+  FIND_PATH(QTKIT_INCLUDE_DIR QTKit/QTKit.h)
+  FIND_LIBRARY(QTKIT_LIBRARY QTKit)
+ENDIF()
+
+
+SET(QTKIT_FOUND "NO")
+IF(QTKIT_LIBRARY AND QTKIT_INCLUDE_DIR)
+  SET(QTKIT_FOUND "YES")
+ENDIF()
+
+IF(APPLE)
+    # Technically QTKit is 64-bit capable, but the QTKit plug-in currently uses
+    # a few 32-bit only APIs to bridge QTKit and Core Video.
+    # As such, the plugin won't compile for 64-bit until Apple fixes this hole 
+    # in their API.
+    # For simplicitly, I pretend QTKit is only 32-bit, but if/when Apple fixes
+    # this, we need an OS version check.
+    # Snow Leopard still lacks a 64-bit path for this.
+    #First check to see if we are running with a native 64-bit compiler (10.6 default) and implicit arch
+    IF(NOT CMAKE_OSX_ARCHITECTURES AND CMAKE_SIZEOF_VOID_P EQUAL 8)
+        SET(QTKIT_FOUND "NO")
+    ELSE()
+        #Otherwise check to see if 64-bit is explicitly called for.
+        LIST(FIND CMAKE_OSX_ARCHITECTURES "x86_64" has64Compile)
+        IF(NOT has64Compile EQUAL -1)
+            SET(QTKIT_FOUND "NO")
+        ENDIF()
+    ENDIF()
+ENDIF()
+