Replaced the CMake find module for FFmpeg.

This commit is contained in:
Leon Styhre 2021-05-10 21:58:14 +02:00
parent a1209dfc5d
commit eb868055b7
2 changed files with 100 additions and 80 deletions

View file

@ -1,88 +1,108 @@
# Copyright (c) 2014 Matt Coffin <mcoffin13@gmail.com>
# Locate ffmpeg
# This module defines
# FFMPEG_LIBRARIES
# FFMPEG_FOUND, if false, do not try to link to ffmpeg
# FFMPEG_INCLUDE_DIR, where to find the headers
#
# This software is provided 'as-is', without any express or implied
# warranty. In no event will the authors be held liable for any damages
# arising from the use of this software.
# $FFMPEG_DIR is an environment variable that would
# correspond to the ./configure --prefix=$FFMPEG_DIR
#
# Permission is granted to anyone to use this software for any purpose,
# including commercial applications, and to alter it and redistribute it
# freely, subject to the following restrictions:
#
# 1. The origin of this software must not be misrepresented; you must not
# claim that you wrote the original software. If you use this software
# in a product, an acknowledgment in the product documentation would be
# appreciated but is not required.
# 2. Altered source versions must be plainly marked as such, and must not be
# misrepresented as being the original software.
# 3. This notice may not be removed or altered from any source distribution.
# Created by Robert Osfield.
# Modified by Lukas Lalinsky.
# - Try to find FFmpeg
# Once done this will define
# FFmpeg_FOUND
# FFmpeg_INCLUDE_DIRS
# FFmpeg_LIBRARIES
# FFmpeg_INCLUDE_FILES
# Author: Matt Coffin <mcoffin13@gmail.com>
# In ffmpeg code, old version use "#include <header.h>" and newer use "#include <libname/header.h>"
# In OSG ffmpeg plugin, we use "#include <header.h>" for compatibility with old version of ffmpeg
include(FindPackageHandleStandardArgs)
# We have to search the path which contain the header.h (usefull for old version)
# and search the path which contain the libname/header.h (usefull for new version)
if (NOT FFmpeg_FIND_COMPONENTS)
set(FFmpeg_FIND_COMPONENTS avcodec avformat avutil swresample swscale)
endif(NOT FFmpeg_FIND_COMPONENTS)
# Then we need to include ${FFMPEG_libname_INCLUDE_DIRS}
# (in old version case, use by ffmpeg header and osg plugin code)
# (in new version case, use by ffmpeg header)
# and ${FFMPEG_libname_INCLUDE_DIRS/libname}
# (in new version case, use by osg plugin code)
# Generate component include files and requirements
foreach(comp ${FFmpeg_FIND_COMPONENTS})
if(FFmpeg_FIND_REQUIRED_${comp})
list(APPEND required "FFmpeg_${comp}_FOUND")
endif()
endforeach(comp)
# Macro to find header and lib directories
# example: FFMPEG_FIND(AVFORMAT avformat avformat.h)
MACRO(FFMPEG_FIND varname shortname headername)
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(_lib_suffix 64)
else()
set(_lib_suffix 32)
endif()
FIND_PATH(FFMPEG_${varname}_INCLUDE_DIRS lib${shortname}/${headername}
PATHS
${FFMPEG_ROOT}/include
$ENV{FFMPEG_DIR}/include
~/Library/Frameworks
/Library/Frameworks
/usr/local/include
/usr/include/
/sw/include # Fink
/opt/local/include # DarwinPorts
/opt/csw/include # Blastwave
/opt/include
/usr/freeware/include
NO_DEFAULT_PATH
PATH_SUFFIXES ffmpeg
DOC "Location of FFMPEG Headers"
)
FIND_PATH(FFMPEG_${varname}_INCLUDE_DIRS lib${shortname}/${headername}
PATH_SUFFIXES ffmpeg
DOC "Location of FFMPEG Headers"
)
set(FFMPEG_PATH_ARCH FFmpegPath${_lib_suffix})
# Find libraries
find_package(PkgConfig QUIET)
foreach(comp ${FFmpeg_FIND_COMPONENTS})
if(PKG_CONFIG_FOUND)
pkg_check_modules(_${comp} QUIET lib${comp})
endif()
find_path(FFmpeg_${comp}_INCLUDE_DIR
NAMES "lib${comp}/${comp}.h"
HINTS
${_${comp}_INCLUDE_DIRS}
ENV FFmpegPath
ENV ${FFMPEG_PATH_ARCH}
PATHS
/usr/include /usr/local/include /opt/local/include /sw/include
PATH_SUFFIXES ffmpeg libav
DOC "FFmpeg include directory")
find_library(FFmpeg_${comp}_LIBRARY
NAMES ${comp} ${comp}-ffmpeg ${_${comp}_LIBRARIES}
HINTS
${_${comp}_LIBRARY_DIRS}
"${FFmpeg_${comp}_INCLUDE_DIR}/../lib"
"${FFmpeg_${comp}_INCLUDE_DIR}/../lib${_lib_suffix}"
"${FFmpeg_${comp}_INCLUDE_DIR}/../libs${_lib_suffix}"
"${FFmpeg_${comp}_INCLUDE_DIR}/lib"
"${FFmpeg_${comp}_INCLUDE_DIR}/lib${_lib_suffix}"
PATHS
/usr/lib /usr/local/lib /opt/local/lib /sw/lib
PATH_SUFFIXES ${comp} lib${comp}
DOC "FFmpeg ${comp} library")
find_package_handle_standard_args(FFmpeg_${comp}
FOUND_VAR FFmpeg_${comp}_FOUND
REQUIRED_VARS FFmpeg_${comp}_LIBRARY FFmpeg_${comp}_INCLUDE_DIR)
if(${FFmpeg_${comp}_FOUND})
list(APPEND FFmpeg_INCLUDE_DIRS ${FFmpeg_${comp}_INCLUDE_DIR})
list(APPEND FFmpeg_LIBRARIES ${FFmpeg_${comp}_LIBRARY})
endif()
endforeach(comp)
pkg_check_modules(FFMPEG_${varname} lib${shortname})
# Run checks via find_package_handle_standard_args
find_package_handle_standard_args(FFmpeg
FOUND_VAR FFmpeg_FOUND
REQUIRED_VARS ${required} FFmpeg_INCLUDE_DIRS FFmpeg_LIBRARIES)
IF (FFMPEG_${varname}_LIBRARIES AND FFMPEG_${varname}_INCLUDE_DIRS)
SET(FFMPEG_${varname}_FOUND 1)
ENDIF(FFMPEG_${varname}_LIBRARIES AND FFMPEG_${varname}_INCLUDE_DIRS)
ENDMACRO(FFMPEG_FIND)
SET(FFMPEG_ROOT "$ENV{FFMPEG_DIR}" CACHE PATH "Location of FFMPEG")
# find stdint.h
FIND_PATH(FFMPEG_STDINT_INCLUDE_DIR stdint.h
PATHS
${FFMPEG_ROOT}/include
$ENV{FFMPEG_DIR}/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
PATH_SUFFIXES ffmpeg
DOC "Location of FFMPEG stdint.h Header"
)
FFMPEG_FIND(LIBAVFORMAT avformat avformat.h)
FFMPEG_FIND(LIBAVDEVICE avdevice avdevice.h)
FFMPEG_FIND(LIBAVCODEC avcodec avcodec.h)
FFMPEG_FIND(LIBAVCODEC_FFT avcodec avfft.h)
FFMPEG_FIND(LIBAVUTIL avutil avutil.h)
FFMPEG_FIND(LIBSWRESAMPLE swresample swresample.h)
FFMPEG_FIND(LIBSWSCALE swscale swscale.h) # Not sure about the header to look for here.
SET(FFMPEG_FOUND "NO")
IF (FFMPEG_LIBAVFORMAT_FOUND AND FFMPEG_LIBAVDEVICE_FOUND AND FFMPEG_LIBAVCODEC_FOUND AND
FFMPEG_LIBAVUTIL_FOUND AND FFMPEG_LIBSWRESAMPLE_FOUND AND FFMPEG_LIBSWSCALE_FOUND AND
FFMPEG_STDINT_INCLUDE_DIR)
SET(FFMPEG_FOUND "YES")
SET(FFMPEG_INCLUDE_DIRS ${FFMPEG_LIBAVFORMAT_INCLUDE_DIRS})
SET(FFMPEG_LIBRARY_DIRS ${FFMPEG_LIBAVFORMAT_LIBRARY_DIRS})
SET(FFMPEG_LIBRARIES
${FFMPEG_LIBAVFORMAT_LIBRARIES}
${FFMPEG_LIBAVDEVICE_LIBRARIES}
${FFMPEG_LIBAVCODEC_LIBRARIES}
${FFMPEG_LIBAVUTIL_LIBRARIES}
${FFMPEG_LIBSWRESAMPLE_LIBRARIES}
${FFMPEG_LIBSWSCALE_LIBRARIES})
ELSE ()
# MESSAGE(STATUS "Could not find FFMPEG")
ENDIF()

View file

@ -282,7 +282,7 @@ endif()
if(NOT WIN32)
set(COMMON_LIBRARIES
${CURL_LIBRARIES}
${FFmpeg_LIBRARIES}
${FFMPEG_LIBRARIES}
${FreeImage_LIBRARIES}
${FREETYPE_LIBRARIES}
${PUGIXML_LIBRARIES}