Changeset 9863 for OpenSceneGraph/trunk/CMakeModules/FindFFmpeg.cmake

Timestamp:

03/04/09 17:16:07 (4 years ago)

Author:

robert

Message:

From Jean-Sebastien Guay, added non pkg-config based ffmpeg search scheme.

Files:

• OpenSceneGraph/trunk/CMakeModules/FindFFmpeg.cmake (modified) (4 diffs)

OpenSceneGraph/trunk/CMakeModules/FindFFmpeg.cmake

@@ -2 +2 @@
 # This module defines
 # FFMPEG_LIBRARIES
-# FFMPEG_FOUND, if false, do not try to link to ffmpeg 
+# FFMPEG_FOUND, if false, do not try to link to ffmpeg
 # FFMPEG_INCLUDE_DIR, where to find the headers
 #
@@ -8 +8 @@
 # correspond to the ./configure --prefix=$FFMPEG_DIR
 #
-# Created by Robert Osfield. 
+# Created by Robert Osfield.
 
-#use pkg-config to find various modes
-INCLUDE(FindPkgConfig OPTIONAL)
+# Macro to find header and lib directories
+# example: FFMPEG_FIND(AVFORMAT avformat avformat.h)
+MACRO(FFMPEG_FIND varname shortname headername)
+    # First try to find header directly in include directory
+    FIND_PATH(FFMPEG_${varname}_INCLUDE_DIRS ${headername}
+        ${FFMPEG_ROOT}/include
+        $ENV{FFMPEG_DIR}/include
+        $ENV{OSGDIR}/include
+        $ENV{OSG_ROOT}/include
+        ~/Library/Frameworks
+        /Library/Frameworks
+        /usr/local/include
+        /usr/include/
+        /sw/include # Fink
+        /opt/local/include # DarwinPorts
+        /opt/csw/include # Blastwave
+        /opt/include
+        /usr/freeware/include
+    )
 
-IF(PKG_CONFIG_FOUND)
+    # If not found, try to find it in a subdirectory. Tanguy's build has
+    # avformat.h in include/libavformat, so this catches that case. If that's
+    # standard, perhaps we can keep just this case.
+    IF(NOT FFMPEG_${varname}_INCLUDE_DIRS)
+        FIND_PATH(FFMPEG_${varname}_INCLUDE_DIRS lib${shortname}/${headername}
+            ${FFMPEG_ROOT}/include
+            $ENV{FFMPEG_DIR}/include
+            $ENV{OSGDIR}/include
+            $ENV{OSG_ROOT}/include
+            ~/Library/Frameworks
+            /Library/Frameworks
+            /usr/local/include
+            /usr/include/
+            /sw/include # Fink
+            /opt/local/include # DarwinPorts
+            /opt/csw/include # Blastwave
+            /opt/include
+            /usr/freeware/include
+        )
+    ENDIF(NOT FFMPEG_${varname}_INCLUDE_DIRS)
 
-    INCLUDE(FindPkgConfig)
+    FIND_LIBRARY(FFMPEG_${varname}_LIBRARIES
+        NAMES ${shortname}
+        PATHS
+        ${FFMPEG_ROOT}/lib
+        $ENV{FFMPEG_DIR}/lib
+        $ENV{OSGDIR}/lib
+        $ENV{OSG_ROOT}/lib
+        ~/Library/Frameworks
+        /Library/Frameworks
+        /usr/local/lib
+        /usr/local/lib64
+        /usr/lib
+        /usr/lib64
+        /sw/lib
+        /opt/local/lib
+        /opt/csw/lib
+        /opt/lib
+        /usr/freeware/lib64
+    )
 
-    pkg_check_modules(FFMPEG_LIBAVFORMAT libavformat)
-    pkg_check_modules(FFMPEG_LIBAVDEVICE libavdevice)
-    pkg_check_modules(FFMPEG_LIBAVCODEC libavcodec)
-    pkg_check_modules(FFMPEG_LIBAVUTIL libavutil)
-    pkg_check_modules(FFMPEG_LIBSWSCALE libswscale)
+    IF   (FFMPEG_${varname}_LIBRARIES)
+        SET(FFMPEG_${varname}_FOUND 1)
+    ENDIF(FFMPEG_${varname}_LIBRARIES)
 
-ENDIF(PKG_CONFIG_FOUND)
+ENDMACRO(FFMPEG_FIND)
+
+SET(FFMPEG_ROOT "$ENV{FFMPEG_DIR}" CACHE PATH "Location of FFMPEG")
+
+FFMPEG_FIND(LIBAVFORMAT avformat avformat.h)
+FFMPEG_FIND(LIBAVDEVICE avdevice avdevice.h)
+FFMPEG_FIND(LIBAVCODEC  avcodec  avcodec.h)
+FFMPEG_FIND(LIBAVUTIL   avutil   avutil.h)
+FFMPEG_FIND(LIBSWSCALE  swscale  swscale.h)  # not sure about the header to look for here.
 
 SET(FFMPEG_FOUND "NO")
+# Note we don't check FFMPEG_LIBSWSCALE_FOUND here, it's optional.
 IF   (FFMPEG_LIBAVFORMAT_FOUND AND FFMPEG_LIBAVDEVICE_FOUND AND FFMPEG_LIBAVCODEC_FOUND AND FFMPEG_LIBAVUTIL_FOUND)
-   
+
     SET(FFMPEG_FOUND "YES")
 
@@ -34 +95 @@
     SET(FFMPEG_LIBRARY_DIRS ${FFMPEG_LIBAVFORMAT_LIBRARY_DIRS})
 
+    # Note we don't add FFMPEG_LIBSWSCALE_LIBRARIES here, it will be added if found later.
     SET(FFMPEG_LIBRARIES
         ${FFMPEG_LIBAVFORMAT_LIBRARIES}
@@ -39 +101 @@
         ${FFMPEG_LIBAVCODEC_LIBRARIES}
         ${FFMPEG_LIBAVUTIL_LIBRARIES})
-   
+
+ELSE (FFMPEG_LIBAVFORMAT_FOUND AND FFMPEG_LIBAVDEVICE_FOUND AND FFMPEG_LIBAVCODEC_FOUND AND FFMPEG_LIBAVUTIL_FOUND)
+
+    MESSAGE(STATUS "Could not find FFMPEG")
+
 ENDIF(FFMPEG_LIBAVFORMAT_FOUND AND FFMPEG_LIBAVDEVICE_FOUND AND FFMPEG_LIBAVCODEC_FOUND AND FFMPEG_LIBAVUTIL_FOUND)
-
-