|
@@ -0,0 +1,150 @@
|
|
|
+# vim: ts=2 sw=2
|
|
|
+# - Try to find the required ffmpeg components(default: AVFORMAT, AVUTIL, AVCODEC)
|
|
|
+#
|
|
|
+# Once done this will define
|
|
|
+# FFMPEG_FOUND - System has the all required components.
|
|
|
+# FFMPEG_INCLUDE_DIRS - Include directory necessary for using the required components headers.
|
|
|
+# FFMPEG_LIBRARIES - Link these to use the required ffmpeg components.
|
|
|
+# FFMPEG_DEFINITIONS - Compiler switches required for using the required ffmpeg components.
|
|
|
+#
|
|
|
+# For each of the components it will additionally set.
|
|
|
+# - AVCODEC
|
|
|
+# - AVDEVICE
|
|
|
+# - AVFORMAT
|
|
|
+# - AVUTIL
|
|
|
+# - POSTPROCESS
|
|
|
+# - SWSCALE
|
|
|
+# the following variables will be defined
|
|
|
+# <component>_FOUND - System has <component>
|
|
|
+# <component>_INCLUDE_DIRS - Include directory necessary for using the <component> headers
|
|
|
+# <component>_LIBRARIES - Link these to use <component>
|
|
|
+# <component>_DEFINITIONS - Compiler switches required for using <component>
|
|
|
+# <component>_VERSION - The components version
|
|
|
+#
|
|
|
+# Copyright (c) 2006, Matthias Kretz, <kretz@kde.org>
|
|
|
+# Copyright (c) 2008, Alexander Neundorf, <neundorf@kde.org>
|
|
|
+# Copyright (c) 2011, Michael Jansen, <kde@michael-jansen.biz>
|
|
|
+#
|
|
|
+# Redistribution and use is allowed according to the terms of the BSD license.
|
|
|
+# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
|
|
|
+
|
|
|
+include(FindPackageHandleStandardArgs)
|
|
|
+
|
|
|
+# The default components were taken from a survey over other FindFFMPEG.cmake files
|
|
|
+if (NOT FFmpeg_FIND_COMPONENTS)
|
|
|
+ set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL)
|
|
|
+endif ()
|
|
|
+
|
|
|
+#
|
|
|
+### Macro: set_component_found
|
|
|
+#
|
|
|
+# Marks the given component as found if both *_LIBRARIES AND *_INCLUDE_DIRS is present.
|
|
|
+#
|
|
|
+macro(set_component_found _component )
|
|
|
+ if (${_component}_LIBRARIES AND ${_component}_INCLUDE_DIRS)
|
|
|
+ # message(STATUS " - ${_component} found.")
|
|
|
+ set(${_component}_FOUND TRUE)
|
|
|
+ else ()
|
|
|
+ # message(STATUS " - ${_component} not found.")
|
|
|
+ endif ()
|
|
|
+endmacro()
|
|
|
+
|
|
|
+#
|
|
|
+### Macro: find_component
|
|
|
+#
|
|
|
+# Checks for the given component by invoking pkgconfig and then looking up the libraries and
|
|
|
+# include directories.
|
|
|
+#
|
|
|
+macro(find_component _component _pkgconfig _library _header)
|
|
|
+
|
|
|
+ if (NOT WIN32)
|
|
|
+ # use pkg-config to get the directories and then use these values
|
|
|
+ # in the FIND_PATH() and FIND_LIBRARY() calls
|
|
|
+ find_package(PkgConfig)
|
|
|
+ if (PKG_CONFIG_FOUND)
|
|
|
+ pkg_check_modules(PC_${_component} ${_pkgconfig})
|
|
|
+ endif ()
|
|
|
+ endif (NOT WIN32)
|
|
|
+
|
|
|
+ find_path(${_component}_INCLUDE_DIRS ${_header}
|
|
|
+ HINTS
|
|
|
+ ${FFMPEG_ROOT}
|
|
|
+ ${PC_LIB${_component}_INCLUDEDIR}
|
|
|
+ ${PC_LIB${_component}_INCLUDE_DIRS}
|
|
|
+ PATH_SUFFIXES
|
|
|
+ ffmpeg
|
|
|
+ )
|
|
|
+
|
|
|
+ find_library(${_component}_LIBRARIES NAMES ${_library}
|
|
|
+ HINTS
|
|
|
+ ${FFMPEG_ROOT}
|
|
|
+ ${PC_LIB${_component}_LIBDIR}
|
|
|
+ ${PC_LIB${_component}_LIBRARY_DIRS}
|
|
|
+ )
|
|
|
+
|
|
|
+ set(${_component}_DEFINITIONS ${PC_${_component}_CFLAGS_OTHER} CACHE STRING "The ${_component} CFLAGS.")
|
|
|
+ set(${_component}_VERSION ${PC_${_component}_VERSION} CACHE STRING "The ${_component} version number.")
|
|
|
+
|
|
|
+ set_component_found(${_component})
|
|
|
+
|
|
|
+ mark_as_advanced(
|
|
|
+ ${_component}_INCLUDE_DIRS
|
|
|
+ ${_component}_LIBRARIES
|
|
|
+ ${_component}_DEFINITIONS
|
|
|
+ ${_component}_VERSION)
|
|
|
+
|
|
|
+endmacro()
|
|
|
+
|
|
|
+
|
|
|
+# Check for cached results. If there are skip the costly part.
|
|
|
+if (NOT FFMPEG_LIBRARIES)
|
|
|
+
|
|
|
+ # Check for all possible component.
|
|
|
+ find_component(AVCODEC libavcodec avcodec libavcodec/avcodec.h)
|
|
|
+ find_component(AVFORMAT libavformat avformat libavformat/avformat.h)
|
|
|
+ find_component(AVDEVICE libavdevice avdevice libavdevice/avdevice.h)
|
|
|
+ find_component(AVUTIL libavutil avutil libavutil/avutil.h)
|
|
|
+ find_component(SWSCALE libswscale swscale libswscale/swscale.h)
|
|
|
+ find_component(POSTPROC libpostproc postproc libpostproc/postprocess.h)
|
|
|
+
|
|
|
+ # Check if the required components were found and add their stuff to the FFMPEG_* vars.
|
|
|
+ foreach (_component ${FFmpeg_FIND_COMPONENTS})
|
|
|
+ if (${_component}_FOUND)
|
|
|
+ # message(STATUS "Required component ${_component} present.")
|
|
|
+ set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${${_component}_LIBRARIES})
|
|
|
+ set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} ${${_component}_DEFINITIONS})
|
|
|
+ list(APPEND FFMPEG_INCLUDE_DIRS ${${_component}_INCLUDE_DIRS})
|
|
|
+ else ()
|
|
|
+ # message(STATUS "Required component ${_component} missing.")
|
|
|
+ endif ()
|
|
|
+ endforeach ()
|
|
|
+
|
|
|
+ # Build the include path with duplicates removed.
|
|
|
+ if (FFMPEG_INCLUDE_DIRS)
|
|
|
+ list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS)
|
|
|
+ endif ()
|
|
|
+
|
|
|
+ # cache the vars.
|
|
|
+ set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "The FFmpeg include directories." FORCE)
|
|
|
+ set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE STRING "The FFmpeg libraries." FORCE)
|
|
|
+ set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} CACHE STRING "The FFmpeg cflags." FORCE)
|
|
|
+
|
|
|
+ mark_as_advanced(FFMPEG_INCLUDE_DIRS
|
|
|
+ FFMPEG_LIBRARIES
|
|
|
+ FFMPEG_DEFINITIONS)
|
|
|
+
|
|
|
+endif ()
|
|
|
+
|
|
|
+# Now set the noncached _FOUND vars for the components.
|
|
|
+foreach (_component AVCODEC AVDEVICE AVFORMAT AVUTIL POSTPROCESS SWSCALE)
|
|
|
+ set_component_found(${_component})
|
|
|
+endforeach ()
|
|
|
+
|
|
|
+# Compile the list of required vars
|
|
|
+set(_FFmpeg_REQUIRED_VARS FFMPEG_LIBRARIES FFMPEG_INCLUDE_DIRS)
|
|
|
+foreach (_component ${FFmpeg_FIND_COMPONENTS})
|
|
|
+ list(APPEND _FFmpeg_REQUIRED_VARS ${_component}_LIBRARIES ${_component}_INCLUDE_DIRS)
|
|
|
+endforeach ()
|
|
|
+
|
|
|
+# Give a nice error message if some of the required vars are missing.
|
|
|
+find_package_handle_standard_args(FFmpeg DEFAULT_MSG ${_FFmpeg_REQUIRED_VARS})
|