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Diffstat (limited to 'cmake_modules/FindFFmpeg.cmake')
| -rw-r--r-- | cmake_modules/FindFFmpeg.cmake | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/cmake_modules/FindFFmpeg.cmake b/cmake_modules/FindFFmpeg.cmake new file mode 100644 index 0000000..6d4b72f --- /dev/null +++ b/cmake_modules/FindFFmpeg.cmake @@ -0,0 +1,213 @@ +# - Try to find ffmpeg libraries (libavcodec, libavdevice, libavformat, libavutil, and libswscale) +# Once done this will define +# +# FFMPEG_FOUND - system has ffmpeg or libav +# FFMPEG_INCLUDE_DIR - the ffmpeg include directory +# FFMPEG_LIBRARIES - Link these to use ffmpeg +# FFMPEG_LIBAVCODEC +# FFMPEG_LIBAVDEVICE +# FFMPEG_LIBAVFORMAT +# FFMPEG_LIBAVUTIL +# FFMPEG_LIBSWSCALE +# +# Copyright (c) 2008 Andreas Schneider <mail@cynapses.org> +# Modified for other libraries by Lasse Kärkkäinen <tronic> +# Modified for Hedgewars by Stepik777 +# Modified for INDILIB by rlancaste +# +# Redistribution and use is allowed according to the terms of the New +# BSD license. +# + +macro(_FFMPEG_PACKAGE_check_version) + if(EXISTS "${PACKAGE_INCLUDE_DIR}/version.h") + file(READ "${PACKAGE_INCLUDE_DIR}/version.h" _FFMPEG_PACKAGE_version_header) + + string(REGEX MATCH "#define ${PACKAGE_NAME}_VERSION_MAJOR[ \t]+([0-9]+)" _VERSION_MAJOR_match "${_FFMPEG_PACKAGE_version_header}") + set(FFMPEG_PACKAGE_VERSION_MAJOR "${CMAKE_MATCH_1}") + string(REGEX MATCH "#define ${PACKAGE_NAME}_VERSION_MINOR[ \t]+([0-9]+)" _VERSION_MINOR_match "${_FFMPEG_PACKAGE_version_header}") + set(FFMPEG_PACKAGE_VERSION_MINOR "${CMAKE_MATCH_1}") + string(REGEX MATCH "#define ${PACKAGE_NAME}_VERSION_MICRO[ \t]+([0-9]+)" _VERSION_MICRO_match "${_FFMPEG_PACKAGE_version_header}") + set(FFMPEG_PACKAGE_VERSION_MICRO "${CMAKE_MATCH_1}") + + set(FFMPEG_PACKAGE_VERSION ${FFMPEG_PACKAGE_VERSION_MAJOR}.${FFMPEG_PACKAGE_VERSION_MINOR}.${FFMPEG_PACKAGE_VERSION_MICRO}) + if(${FFMPEG_PACKAGE_VERSION} VERSION_LESS ${FFMPEG_PACKAGE_FIND_VERSION}) + set(FFMPEG_PACKAGE_VERSION_OK FALSE) + else(${FFMPEG_PACKAGE_VERSION} VERSION_LESS ${FFMPEG_PACKAGE_FIND_VERSION}) + set(FFMPEG_PACKAGE_VERSION_OK TRUE) + endif(${FFMPEG_PACKAGE_VERSION} VERSION_LESS ${FFMPEG_PACKAGE_FIND_VERSION}) + + if(NOT FFMPEG_PACKAGE_VERSION_OK) + message(STATUS "${PACKAGE_NAME} version ${FFMPEG_PACKAGE_VERSION} found in ${PACKAGE_INCLUDE_DIR}, " + "but at least version ${FFMPEG_PACKAGE_FIND_VERSION} is required") + else(NOT FFMPEG_PACKAGE_VERSION_OK) + mark_as_advanced(FFMPEG_PACKAGE_VERSION_MAJOR FFMPEG_PACKAGE_VERSION_MINOR FFMPEG_PACKAGE_VERSION_MICRO) + endif(NOT FFMPEG_PACKAGE_VERSION_OK) + else(EXISTS "${PACKAGE_INCLUDE_DIR}/version.h") + set(FFMPEG_PACKAGE_VERSION_OK FALSE) + message(STATUS "${PACKAGE_NAME}'s version.h file was not found in the include directory: ${PACKAGE_INCLUDE_DIR}, please install this program.") + endif(EXISTS "${PACKAGE_INCLUDE_DIR}/version.h") +endmacro(_FFMPEG_PACKAGE_check_version) + +# required ffmpeg library versions, Requiring at least FFMPEG 3.2.11, Hypatia +set(_avcodec_ver ">=57.64.101") +set(_avdevice_ver ">=57.1.100") +set(_avformat_ver ">=57.56.100") +set(_avutil_ver ">=55.34.100") +set(_swscale_ver ">=4.2.100") + +if (FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIR) + + # in cache already + set(FFMPEG_FOUND TRUE) + +else (FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIR) +# use pkg-config to get the directories and then use these values +# in the FIND_PATH() and FIND_LIBRARY() calls + +find_path(FFMPEG_INCLUDE_DIR +NAMES libavcodec/avcodec.h +PATHS ${FFMPEG_INCLUDE_DIRS} ${CMAKE_INSTALL_PREFIX}/include /usr/include /usr/local/include /opt/local/include /sw/include +PATH_SUFFIXES ffmpeg libav +) + +find_package(PkgConfig) +if (PKG_CONFIG_FOUND) + + pkg_check_modules(AVCODEC libavcodec${_avcodec_ver}) + pkg_check_modules(AVDEVICE libavdevice${_avdevice_ver}) + pkg_check_modules(AVFORMAT libavformat${_avformat_ver}) + pkg_check_modules(AVUTIL libavutil${_avutil_ver}) + pkg_check_modules(SWSCALE libswscale${_swscale_ver}) + +endif (PKG_CONFIG_FOUND) + +if (NOT PKG_CONFIG_FOUND OR + NOT FFMPEG_LIBAVCODEC OR + NOT FFMPEG_LIBAVDEVICE OR + NOT FFMPEG_LIBAVFORMAT OR + NOT FFMPEG_LIBAVUTIL OR + NOT FFMPEG_LIBSWSCALE) + +# LIBAVCODEC + set(PACKAGE_NAME "LIBAVCODEC") + set(PACKAGE_INCLUDE_DIR "${FFMPEG_INCLUDE_DIR}/libavcodec") + set(FFMPEG_PACKAGE_FIND_VERSION _avcodec_ver) + + _FFMPEG_PACKAGE_check_version() + + if(FFMPEG_PACKAGE_VERSION_OK) + set(AVCODEC_VERSION FFMPEG_PACKAGE_VERSION) + endif(FFMPEG_PACKAGE_VERSION_OK) + +# LIBAVDEVICE + set(PACKAGE_NAME "LIBAVDEVICE") + set(PACKAGE_INCLUDE_DIR "${FFMPEG_INCLUDE_DIR}/libavdevice") + set(FFMPEG_PACKAGE_FIND_VERSION _avdevice_ver) + + _FFMPEG_PACKAGE_check_version() + + if(FFMPEG_PACKAGE_VERSION_OK) + set(AVDEVICE_VERSION FFMPEG_PACKAGE_VERSION) + endif(FFMPEG_PACKAGE_VERSION_OK) + +# LIBAVFORMAT + set(PACKAGE_NAME "LIBAVFORMAT") + set(PACKAGE_INCLUDE_DIR "${FFMPEG_INCLUDE_DIR}/libavformat") + set(FFMPEG_PACKAGE_FIND_VERSION _avformat_ver) + + _FFMPEG_PACKAGE_check_version() + + if(FFMPEG_PACKAGE_VERSION_OK) + set(AVFORMAT_VERSION FFMPEG_PACKAGE_VERSION) + endif(FFMPEG_PACKAGE_VERSION_OK) + +# LIBAVUTIL + set(PACKAGE_NAME "LIBAVUTIL") + set(PACKAGE_INCLUDE_DIR "${FFMPEG_INCLUDE_DIR}/libavutil") + set(FFMPEG_PACKAGE_FIND_VERSION _avutil_ver) + + _FFMPEG_PACKAGE_check_version() + + if(FFMPEG_PACKAGE_VERSION_OK) + set(AVUTIL_VERSION FFMPEG_PACKAGE_VERSION) + endif(FFMPEG_PACKAGE_VERSION_OK) + +# LIBSWSCALE + set(PACKAGE_NAME "LIBSWSCALE") + set(PACKAGE_INCLUDE_DIR "${FFMPEG_INCLUDE_DIR}/libswscale") + set(FFMPEG_PACKAGE_FIND_VERSION _swscale_ver) + + _FFMPEG_PACKAGE_check_version() + + if(FFMPEG_PACKAGE_VERSION_OK) + set(SWSCALE_VERSION FFMPEG_PACKAGE_VERSION) + endif(FFMPEG_PACKAGE_VERSION_OK) + +endif () + +find_library(FFMPEG_LIBAVCODEC +NAMES avcodec libavcodec +PATHS ${AVCODEC_LIBRARY_DIRS} ${CMAKE_INSTALL_PREFIX}/lib /usr/lib /usr/local/lib /opt/local/lib /sw/lib +) + +find_library(FFMPEG_LIBAVDEVICE +NAMES avdevice libavdevice +PATHS ${AVDEVICE_LIBRARY_DIRS} ${CMAKE_INSTALL_PREFIX}/lib /usr/lib /usr/local/lib /opt/local/lib /sw/lib +) + +find_library(FFMPEG_LIBAVFORMAT +NAMES avformat libavformat +PATHS ${AVFORMAT_LIBRARY_DIRS} ${CMAKE_INSTALL_PREFIX}/lib /usr/lib /usr/local/lib /opt/local/lib /sw/lib +) + +find_library(FFMPEG_LIBAVUTIL +NAMES avutil libavutil +PATHS ${AVUTIL_LIBRARY_DIRS} ${CMAKE_INSTALL_PREFIX}/lib /usr/lib /usr/local/lib /opt/local/lib /sw/lib +) + +find_library(FFMPEG_LIBSWSCALE +NAMES swscale libswscale +PATHS ${SWSCALE_LIBRARY_DIRS} ${CMAKE_INSTALL_PREFIX}/lib /usr/lib /usr/local/lib /opt/local/lib /sw/lib +) + +#Only set FFMPEG to found if all the libraries are found in the right versions. +if(AVCODEC_VERSION AND + AVDEVICE_VERSION AND + AVFORMAT_VERSION AND + AVUTIL_VERSION AND + SWSCALE_VERSION AND + FFMPEG_LIBAVCODEC AND + FFMPEG_LIBAVDEVICE AND + FFMPEG_LIBAVFORMAT AND + FFMPEG_LIBAVUTIL AND + FFMPEG_LIBSWSCALE) +set(FFMPEG_FOUND TRUE) +endif() + +if (FFMPEG_FOUND) + + set(FFMPEG_LIBRARIES + ${FFMPEG_LIBAVCODEC} + ${FFMPEG_LIBAVDEVICE} + ${FFMPEG_LIBAVFORMAT} + ${FFMPEG_LIBAVUTIL} + ${FFMPEG_LIBSWSCALE} + ) + +endif (FFMPEG_FOUND) + +if (FFMPEG_FOUND) + if (NOT FFMPEG_FIND_QUIETLY) + message(STATUS "Found FFMPEG: ${FFMPEG_LIBRARIES}, ${FFMPEG_INCLUDE_DIR}") + endif (NOT FFMPEG_FIND_QUIETLY) + else (FFMPEG_FOUND) + message(STATUS "Could not find up to date FFMPEG for INDI Webcam. Up to date versions of these packages are required: libavcodec, libavdevice, libavformat, libavutil, and libswscale") + if (FFMPEG_FIND_REQUIRED) + message(FATAL_ERROR "Error: FFMPEG is required by this package!") + endif (FFMPEG_FIND_REQUIRED) +endif (FFMPEG_FOUND) + +endif (FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIR) + + |