cmake: Add FFMPEG compilation support.

cmake/modules/FindFFMPEG.cmake

@@ -0,0 +1,93 @@
+# Filename: FindFFMPEG.cmake
+# Author: CFSworks (10 Apr, 2014)
+#
+# Usage:
+#   find_package(FFMPEG [REQUIRED] [QUIET])
+#
+# Once done this will define:
+#   FFMPEG_FOUND       - system has ffmpeg
+#   FFMPEG_INCLUDE_DIR - the ffmpeg include directory
+#   FFMPEG_LIBRARIES   - the path to the library binary
+#
+#   FFMPEG_LIBAVCODEC  - the path to the libavcodec library binary
+#   FFMPEG_LIBAVFORMAT - the path to the libavformat library binary
+#   FFMPEG_LIBAVUTIL   - the path to the libavutil library binary
+#
+
+if(NOT FFMPEG_INCLUDE_DIR OR NOT FFMPEG_LIBRARY_DIR)
+	# Find the libffmpeg include files
+	find_path(FFMPEG_INCLUDE_DIR
+		NAMES "libavcodec/avcodec.h"
+		PATHS "/usr/include"
+		      "/usr/local/include"
+		      "/sw/include"
+		      "/opt/include"
+		      "/opt/local/include"
+		      "/opt/csw/include"
+		PATH_SUFFIXES "libav" "ffmpeg"
+	)
+
+	# Find the libavcodec library
+  find_library(FFMPEG_LIBAVCODEC
+		NAMES "avcodec"
+		PATHS "/usr"
+		      "/usr/local"
+		      "/usr/freeware"
+		      "/sw"
+		      "/opt"
+		      "/opt/csw"
+		PATH_SUFFIXES "lib" "lib32" "lib64"
+	)
+
+	# Find the libavformat library
+  find_library(FFMPEG_LIBAVFORMAT
+		NAMES "avformat"
+		PATHS "/usr"
+		      "/usr/local"
+		      "/usr/freeware"
+		      "/sw"
+		      "/opt"
+		      "/opt/csw"
+		PATH_SUFFIXES "lib" "lib32" "lib64"
+	)
+
+	# Find the libavutil library
+  find_library(FFMPEG_LIBAVUTIL
+		NAMES "avutil"
+		PATHS "/usr"
+		      "/usr/local"
+		      "/usr/freeware"
+		      "/sw"
+		      "/opt"
+		      "/opt/csw"
+		PATH_SUFFIXES "lib" "lib32" "lib64"
+	)
+
+	mark_as_advanced(FFMPEG_INCLUDE_DIR)
+  mark_as_advanced(FFMPEG_LIBAVCODEC)
+  mark_as_advanced(FFMPEG_LIBAVFORMAT)
+  mark_as_advanced(FFMPEG_LIBAVUTIL)
+endif()
+
+# Translate library into library directory
+if(FFMPEG_LIBAVCODEC)
+  unset(FFMPEG_LIBRARY_DIR CACHE)
+  get_filename_component(FFMPEG_LIBRARY_DIR "${FFMPEG_LIBAVCODEC}" PATH)
+  set(FFMPEG_LIBRARY_DIR "${FFMPEG_LIBRARY_DIR}" CACHE PATH "The path to libffmpeg's library directory.") # Library path
+endif()
+
+set(FFMPEG_LIBRARIES)
+if(FFMPEG_LIBAVCODEC)
+  list(APPEND FFMPEG_LIBRARIES "${FFMPEG_LIBAVCODEC}")
+endif()
+if(FFMPEG_LIBAVFORMAT)
+  list(APPEND FFMPEG_LIBRARIES "${FFMPEG_LIBAVFORMAT}")
+endif()
+if(FFMPEG_LIBAVUTIL)
+  list(APPEND FFMPEG_LIBRARIES "${FFMPEG_LIBAVUTIL}")
+endif()
+
+mark_as_advanced(FFMPEG_LIBRARY_DIR)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(FFMPEG DEFAULT_MSG FFMPEG_LIBRARIES FFMPEG_LIBAVCODEC FFMPEG_LIBAVFORMAT FFMPEG_LIBAVUTIL FFMPEG_INCLUDE_DIR FFMPEG_LIBRARY_DIR)

cmake/modules/FindSWResample.cmake

@@ -0,0 +1,52 @@
+# Filename: FindSWResample.cmake
+# Author: CFSworks (10 Apr, 2014)
+#
+# Usage:
+#   find_package(SWResample [REQUIRED] [QUIET])
+#
+# Once done this will define:
+#   SWRESAMPLE_FOUND       - system has ffmpeg's libswresample
+#   SWRESAMPLE_INCLUDE_DIR - the libswresample include directory
+#   SWRESAMPLE_LIBRARY     - the path to the library binary
+#
+
+if(NOT SWRESAMPLE_INCLUDE_DIR OR NOT SWRESAMPLE_LIBRARY)
+	# Find the libswresample include files
+	find_path(SWRESAMPLE_INCLUDE_DIR
+    NAMES "libswresample/swresample.h"
+		PATHS "/usr/include"
+		      "/usr/local/include"
+		      "/sw/include"
+		      "/opt/include"
+		      "/opt/local/include"
+		      "/opt/csw/include"
+		PATH_SUFFIXES "libav" "ffmpeg"
+	)
+
+	# Find the libswresample library
+  find_library(SWRESAMPLE_LIBRARY
+		NAMES "swresample"
+		PATHS "/usr"
+		      "/usr/local"
+		      "/usr/freeware"
+		      "/sw"
+		      "/opt"
+		      "/opt/csw"
+		PATH_SUFFIXES "lib" "lib32" "lib64"
+	)
+
+	mark_as_advanced(SWRESAMPLE_INCLUDE_DIR)
+  mark_as_advanced(SWRESAMPLE_LIBRARY)
+endif()
+
+# Translate library into library directory
+if(SWRESAMPLE_LIBRARY)
+  unset(SWRESAMPLE_LIBRARY_DIR CACHE)
+  get_filename_component(SWRESAMPLE_LIBRARY_DIR "${SWRESAMPLE_LIBRARY}" PATH)
+  set(SWRESAMPLE_LIBRARY_DIR "${SWRESAMPLE_LIBRARY_DIR}" CACHE PATH "The path to libffmpeg's library directory.") # Library path
+endif()
+
+mark_as_advanced(SWRESAMPLE_LIBRARY_DIR)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SWResample DEFAULT_MSG SWRESAMPLE_LIBRARY SWRESAMPLE_INCLUDE_DIR SWRESAMPLE_LIBRARY_DIR)

cmake/modules/FindSWScale.cmake

@@ -0,0 +1,52 @@
+# Filename: FindSWScale.cmake
+# Author: CFSworks (10 Apr, 2014)
+#
+# Usage:
+#   find_package(SWScale [REQUIRED] [QUIET])
+#
+# Once done this will define:
+#   SWSCALE_FOUND       - system has ffmpeg's libswscale
+#   SWSCALE_INCLUDE_DIR - the libswscale include directory
+#   SWSCALE_LIBRARY     - the path to the library binary
+#
+
+if(NOT SWSCALE_INCLUDE_DIR OR NOT SWSCALE_LIBRARY)
+	# Find the libswscale include files
+	find_path(SWSCALE_INCLUDE_DIR
+    NAMES "libswscale/swscale.h"
+		PATHS "/usr/include"
+		      "/usr/local/include"
+		      "/sw/include"
+		      "/opt/include"
+		      "/opt/local/include"
+		      "/opt/csw/include"
+		PATH_SUFFIXES "libav" "ffmpeg"
+	)
+
+	# Find the libswscale library
+  find_library(SWSCALE_LIBRARY
+		NAMES "swscale"
+		PATHS "/usr"
+		      "/usr/local"
+		      "/usr/freeware"
+		      "/sw"
+		      "/opt"
+		      "/opt/csw"
+		PATH_SUFFIXES "lib" "lib32" "lib64"
+	)
+
+	mark_as_advanced(SWSCALE_INCLUDE_DIR)
+  mark_as_advanced(SWSCALE_LIBRARY)
+endif()
+
+# Translate library into library directory
+if(SWSCALE_LIBRARY)
+  unset(SWSCALE_LIBRARY_DIR CACHE)
+  get_filename_component(SWSCALE_LIBRARY_DIR "${SWSCALE_LIBRARY}" PATH)
+  set(SWSCALE_LIBRARY_DIR "${SWSCALE_LIBRARY_DIR}" CACHE PATH "The path to libffmpeg's library directory.") # Library path
+endif()
+
+mark_as_advanced(SWSCALE_LIBRARY_DIR)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SWSCALE DEFAULT_MSG SWSCALE_LIBRARY SWSCALE_INCLUDE_DIR SWSCALE_LIBRARY_DIR)

dtool/Config.cmake

@@ -591,6 +591,18 @@ find_package(ZLIB)
 package_option(ZLIB DEFAULT ON
   "Enables support for compression of Panda assets.")
 
+# Is FFMPEG installed, and where?
+find_package(FFMPEG)
+find_package(SWScale)
+find_package(SWResample)
+
+package_option(FFMPEG DEFAULT ON
+  "Enables support for audio- and video-decoding using the FFMPEG library.")
+package_option(SWSCALE DEFAULT ON
+  "Enables support for FFMPEG's libswscale for video rescaling.")
+package_option(SWRESAMPLE DEFAULT ON
+  "Enables support for FFMPEG's libresample for audio resampling.")
+
 # Is ODE installed, and where?
 find_package(ODE)
 

panda/CMakeLists.txt

@@ -45,6 +45,7 @@ add_subdirectory(src/wgldisplay)
 add_subdirectory(src/osxdisplay)
 add_subdirectory(src/cocoadisplay)
 add_subdirectory(src/movies)
+add_subdirectory(src/ffmpeg)
 add_subdirectory(src/audio)
 add_subdirectory(src/audiotraits)
 add_subdirectory(src/chan)

panda/src/ffmpeg/CMakeLists.txt

@@ -0,0 +1,26 @@
+if(HAVE_FFMPEG)
+
+  set(P3FFMPEG_HEADERS
+      config_ffmpeg.h
+      ffmpegVideo.h ffmpegVideo.I
+      ffmpegVideoCursor.h ffmpegVideoCursor.I
+      ffmpegAudio.h ffmpegAudio.I
+      ffmpegAudioCursor.h ffmpegAudioCursor.I
+      ffmpegVirtualFile.h ffmpegVirtualFile.I)
+    
+
+  set(P3FFMPEG_SOURCES
+      config_ffmpeg.cxx
+      ffmpegVideo.cxx
+      ffmpegVideoCursor.cxx
+      ffmpegAudio.cxx
+      ffmpegAudioCursor.cxx
+      ffmpegVirtualFile.cxx) 
+
+  composite_sources(p3ffmpeg P3FFMPEG_SOURCES)
+  add_library(p3ffmpeg ${P3FFMPEG_HEADERS} ${P3FFMPEG_SOURCES})
+  target_link_libraries(p3ffmpeg p3movies)
+  target_use_packages(p3ffmpeg FFMPEG SWSCALE SWRESAMPLE)
+
+  install(TARGETS p3ffmpeg DESTINATION lib)
+endif()