Warning, /multimedia/haruna/cmake/FindFFmpeg.cmake is written in an unsupported language. File is not indexed.
0001 # SPDX-FileCopyrightText: 2006 Matthias Kretz <kretz@kde.org> 0002 # SPDX-FileCopyrightText: 2008 Alexander Neundorf <neundorf@kde.org> 0003 # SPDX-FileCopyrightText: 2011 Michael Jansen <kde@michael-jansen.biz> 0004 # 0005 # SPDX-License-Identifier: BSD-3-Clause 0006 0007 # vim: ts=2 sw=2 0008 # - Try to find the required ffmpeg components(default: AVFORMAT, AVUTIL, AVCODEC) 0009 # 0010 # Once done this will define 0011 # FFMPEG_FOUND - System has the all required components. 0012 # FFMPEG_INCLUDE_DIRS - Include directory necessary for using the required components headers. 0013 # FFMPEG_LIBRARIES - Link these to use the required ffmpeg components. 0014 # FFMPEG_DEFINITIONS - Compiler switches required for using the required ffmpeg components. 0015 # 0016 # For each of the components it will additionally set. 0017 # - AVCODEC 0018 # - AVDEVICE 0019 # - AVFORMAT 0020 # - AVUTIL 0021 # - POSTPROCESS 0022 # - SWSCALE 0023 # the following variables will be defined 0024 # <component>_FOUND - System has <component> 0025 # <component>_INCLUDE_DIRS - Include directory necessary for using the <component> headers 0026 # <component>_LIBRARIES - Link these to use <component> 0027 # <component>_DEFINITIONS - Compiler switches required for using <component> 0028 # <component>_VERSION - The components version 0029 # 0030 # Redistribution and use is allowed according to the terms of the BSD license. 0031 # For details see the accompanying COPYING-CMAKE-SCRIPTS file. 0032 0033 include(FindPackageHandleStandardArgs) 0034 0035 # The default components were taken from a survey over other FindFFMPEG.cmake files 0036 if (NOT FFmpeg_FIND_COMPONENTS) 0037 set(FFmpeg_FIND_COMPONENTS AVCODEC AVFORMAT AVUTIL) 0038 endif () 0039 0040 # 0041 ### Macro: set_component_found 0042 # 0043 # Marks the given component as found if both *_LIBRARIES AND *_INCLUDE_DIRS is present. 0044 # 0045 macro(set_component_found _component ) 0046 if (${_component}_LIBRARIES AND ${_component}_INCLUDE_DIRS) 0047 # message(STATUS " - ${_component} found.") 0048 set(${_component}_FOUND TRUE) 0049 else () 0050 # message(STATUS " - ${_component} not found.") 0051 endif () 0052 endmacro() 0053 0054 # 0055 ### Macro: find_component 0056 # 0057 # Checks for the given component by invoking pkgconfig and then looking up the libraries and 0058 # include directories. 0059 # 0060 macro(find_component _component _pkgconfig _library _header) 0061 0062 if (NOT WIN32) 0063 # use pkg-config to get the directories and then use these values 0064 # in the FIND_PATH() and FIND_LIBRARY() calls 0065 find_package(PkgConfig) 0066 if (PKG_CONFIG_FOUND) 0067 pkg_check_modules(PC_${_component} ${_pkgconfig}) 0068 endif () 0069 endif (NOT WIN32) 0070 0071 find_path(${_component}_INCLUDE_DIRS ${_header} 0072 HINTS 0073 ${PC_${_component}_INCLUDEDIR} 0074 ${PC_${_component}_INCLUDE_DIRS} 0075 PATH_SUFFIXES 0076 ffmpeg 0077 ) 0078 0079 find_library(${_component}_LIBRARIES NAMES ${_library} 0080 HINTS 0081 ${PC_${_component}_LIBDIR} 0082 ${PC_${_component}_LIBRARY_DIRS} 0083 ) 0084 0085 set(${_component}_DEFINITIONS ${PC_${_component}_CFLAGS_OTHER} CACHE STRING "The ${_component} CFLAGS.") 0086 set(${_component}_VERSION ${PC_${_component}_VERSION} CACHE STRING "The ${_component} version number.") 0087 0088 set_component_found(${_component}) 0089 0090 mark_as_advanced( 0091 ${_component}_INCLUDE_DIRS 0092 ${_component}_LIBRARIES 0093 ${_component}_DEFINITIONS 0094 ${_component}_VERSION) 0095 0096 endmacro() 0097 0098 0099 # Check for cached results. If there are skip the costly part. 0100 if (NOT FFMPEG_LIBRARIES) 0101 0102 # Check for all possible component. 0103 find_component(AVCODEC libavcodec avcodec libavcodec/avcodec.h) 0104 find_component(AVFILTER libavfilter avfilter libavfilter/avfilter.h) 0105 find_component(AVFORMAT libavformat avformat libavformat/avformat.h) 0106 find_component(AVDEVICE libavdevice avdevice libavdevice/avdevice.h) 0107 find_component(AVUTIL libavutil avutil libavutil/avutil.h) 0108 find_component(SWSCALE libswscale swscale libswscale/swscale.h) 0109 find_component(POSTPROC libpostproc postproc libpostproc/postprocess.h) 0110 0111 # Check if the required components were found and add their stuff to the FFMPEG_* vars. 0112 foreach (_component ${FFmpeg_FIND_COMPONENTS}) 0113 if (${_component}_FOUND) 0114 # message(STATUS "Required component ${_component} present.") 0115 set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} ${${_component}_LIBRARIES}) 0116 set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} ${${_component}_DEFINITIONS}) 0117 list(APPEND FFMPEG_INCLUDE_DIRS ${${_component}_INCLUDE_DIRS}) 0118 else () 0119 # message(STATUS "Required component ${_component} missing.") 0120 endif () 0121 endforeach () 0122 0123 # Build the include path with duplicates removed. 0124 if (FFMPEG_INCLUDE_DIRS) 0125 list(REMOVE_DUPLICATES FFMPEG_INCLUDE_DIRS) 0126 endif () 0127 0128 # cache the vars. 0129 set(FFMPEG_INCLUDE_DIRS ${FFMPEG_INCLUDE_DIRS} CACHE STRING "The FFmpeg include directories." FORCE) 0130 set(FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} CACHE STRING "The FFmpeg libraries." FORCE) 0131 set(FFMPEG_DEFINITIONS ${FFMPEG_DEFINITIONS} CACHE STRING "The FFmpeg cflags." FORCE) 0132 0133 mark_as_advanced(FFMPEG_INCLUDE_DIRS 0134 FFMPEG_LIBRARIES 0135 FFMPEG_DEFINITIONS) 0136 0137 endif () 0138 0139 # Now set the noncached _FOUND vars for the components. 0140 foreach (_component AVCODEC AVDEVICE AVFORMAT AVUTIL POSTPROCESS SWSCALE) 0141 set_component_found(${_component}) 0142 endforeach () 0143 0144 # Compile the list of required vars 0145 set(_FFmpeg_REQUIRED_VARS FFMPEG_LIBRARIES FFMPEG_INCLUDE_DIRS) 0146 foreach (_component ${FFmpeg_FIND_COMPONENTS}) 0147 list(APPEND _FFmpeg_REQUIRED_VARS ${_component}_LIBRARIES ${_component}_INCLUDE_DIRS) 0148 endforeach () 0149 0150 # Give a nice error message if some of the required vars are missing. 0151 find_package_handle_standard_args(FFmpeg DEFAULT_MSG ${_FFmpeg_REQUIRED_VARS})