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Try to dynamically link against system ffmpeg when possible

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This commit is contained in:
Maxime Gauduin 2015-06-01 15:29:54 +02:00
parent 403f6ab537
commit 983ae517e1
2 changed files with 275 additions and 92 deletions
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200
CMakeLists.txt
View File

@ -98,6 +98,7 @@ option(UNITTEST "Set to ON to generate the unittest target" ${UNITTEST})
option(SIMULATOR "Set to ON when targeting an x86 simulator of an ARM platform" ${SIMULATOR})
# :: Options
option(USE_FFMPEG "Build with FFMPEG support" ${USE_FFMPEG})
option(USE_SYSTEM_FFMPEG "Dynamically link against system FFMPEG" ${USE_SYSTEM_FFMPEG})
if(ANDROID OR BLACKBERRY OR IOS)
if (NOT CMAKE_TOOLCHAIN_FILE)
@ -411,96 +412,101 @@ add_library(stb_vorbis STATIC
native/ext/stb_vorbis/stb_vorbis.h)
include_directories(native/ext/stb_vorbis)
if(USE_FFMPEG AND NOT DEFINED FFMPEG_BUILDDIR)
if(ANDROID)
if(ARMV7)
set(PLATFORM_ARCH "android/armv7")
elseif(ARM)
set(PLATFORM_ARCH "android/arm")
elseif(X86)
set(PLATFORM_ARCH "android/x86")
endif()
elseif(BLACKBERRY)
set(PLATFORM_ARCH "blackberry/armv7")
elseif(IOS)
set(PLATFORM_ARCH "ios/universal")
elseif(MACOSX)
set(PLATFORM_ARCH "macosx/x86_64")
elseif(LINUX)
if(ARMV7)
set(PLATFORM_ARCH "linux/armv7")
elseif(ARM)
set(PLATFORM_ARCH "linux/arm")
elseif(MIPS)
set(PLATFORM_ARCH "linux/mips32")
elseif(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(PLATFORM_ARCH "linux/x86_64")
else()
set(PLATFORM_ARCH "linux/x86")
endif()
endif()
# Using static libraries
if (DEFINED PLATFORM_ARCH)
include_directories(ffmpeg/${PLATFORM_ARCH}/include)
link_directories(ffmpeg/${PLATFORM_ARCH}/lib)
set(FFMPEG_LIBRARIES libavformat.a libavcodec.a libavutil.a libswresample.a libswscale.a)
else()
# Manual definition of system library locations by the user.
if (DEFINED FFMPEG_INCLUDE_PATH)
include_directories(ffmpeg ${FFMPEG_INCLUDE_PATH})
endif()
if (DEFINED AVFORMAT_PATH)
add_library(libavformat STATIC IMPORTED)
set_target_properties(libavformat PROPERTIES IMPORTED_LOCATION ${AVFORMAT_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libavformat)
endif()
if (DEFINED AVCODEC_PATH)
add_library(libavcodec STATIC IMPORTED)
set_target_properties(libavcodec PROPERTIES IMPORTED_LOCATION ${AVCODEC_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libavcodec)
endif()
if (DEFINED AVUTIL_PATH)
add_library(libavutil STATIC IMPORTED)
set_target_properties(libavutil PROPERTIES IMPORTED_LOCATION ${AVUTIL_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libavutil)
endif()
if (DEFINED SWRESAMPLE_PATH)
add_library(libswresample STATIC IMPORTED)
set_target_properties(libswresample PROPERTIES IMPORTED_LOCATION ${SWRESAMPLE_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libswresample)
endif()
if (DEFINED SWSCALE_PATH)
add_library(libswscale STATIC IMPORTED)
set_target_properties(libswscale PROPERTIES IMPORTED_LOCATION ${SWSCALE_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libswscale)
endif()
endif(DEFINED PLATFORM_ARCH)
endif(USE_FFMPEG AND NOT DEFINED FFMPEG_BUILDDIR)
if(USE_FFMPEG)
# Using shared libraries
if(DEFINED FFMPEG_BUILDDIR)
include_directories(ffmpeg ${FFMPEG_BUILDDIR})
add_library(libavformat STATIC IMPORTED)
set_target_properties(libavformat PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libavformat/libavformat.a)
add_library(libavcodec STATIC IMPORTED)
set_target_properties(libavcodec PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libavcodec/libavcodec.a)
add_library(libavutil STATIC IMPORTED)
set_target_properties(libavutil PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libavutil/libavutil.a)
add_library(libswresample STATIC IMPORTED)
set_target_properties(libswresample PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libswresample/libswresample.a)
add_library(libswscale STATIC IMPORTED)
set_target_properties(libswscale PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libswscale/libswscale.a)
SET (FFMPEG_LIBRARIES
libavformat
libavcodec
libavutil
libswresample
libswscale
)
if(USE_SYSTEM_FFMPEG)
include(FindFFMPEG)
else()
set(FFMPEG_FOUND OFF)
endif()
if(NOT FFMPEG_FOUND)
if(NOT DEFINED FFMPEG_BUILDDIR)
if(ANDROID)
if(ARMV7)
set(PLATFORM_ARCH "android/armv7")
elseif(ARM)
set(PLATFORM_ARCH "android/arm")
elseif(X86)
set(PLATFORM_ARCH "android/x86")
endif()
elseif(BLACKBERRY)
set(PLATFORM_ARCH "blackberry/armv7")
elseif(IOS)
set(PLATFORM_ARCH "ios/universal")
elseif(MACOSX)
set(PLATFORM_ARCH "macosx/x86_64")
elseif(LINUX)
if(ARMV7)
set(PLATFORM_ARCH "linux/armv7")
elseif(ARM)
set(PLATFORM_ARCH "linux/arm")
elseif(MIPS)
set(PLATFORM_ARCH "linux/mips32")
elseif(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(PLATFORM_ARCH "linux/x86_64")
else()
set(PLATFORM_ARCH "linux/x86")
endif()
endif()
# Using static libraries
if (DEFINED PLATFORM_ARCH)
include_directories(ffmpeg/${PLATFORM_ARCH}/include)
link_directories(ffmpeg/${PLATFORM_ARCH}/lib)
set(FFMPEG_LIBRARIES libavformat.a libavcodec.a libavutil.a libswresample.a libswscale.a)
else()
# Manual definition of system library locations by the user.
if (DEFINED FFMPEG_INCLUDE_PATH)
include_directories(ffmpeg ${FFMPEG_INCLUDE_PATH})
endif()
if (DEFINED AVFORMAT_PATH)
add_library(libavformat STATIC IMPORTED)
set_target_properties(libavformat PROPERTIES IMPORTED_LOCATION ${AVFORMAT_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libavformat)
endif()
if (DEFINED AVCODEC_PATH)
add_library(libavcodec STATIC IMPORTED)
set_target_properties(libavcodec PROPERTIES IMPORTED_LOCATION ${AVCODEC_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libavcodec)
endif()
if (DEFINED AVUTIL_PATH)
add_library(libavutil STATIC IMPORTED)
set_target_properties(libavutil PROPERTIES IMPORTED_LOCATION ${AVUTIL_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libavutil)
endif()
if (DEFINED SWRESAMPLE_PATH)
add_library(libswresample STATIC IMPORTED)
set_target_properties(libswresample PROPERTIES IMPORTED_LOCATION ${SWRESAMPLE_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libswresample)
endif()
if (DEFINED SWSCALE_PATH)
add_library(libswscale STATIC IMPORTED)
set_target_properties(libswscale PROPERTIES IMPORTED_LOCATION ${SWSCALE_PATH})
SET (FFMPEG_LIBRARIES ${FFMPEG_LIBRARIES} libswscale)
endif()
endif(DEFINED PLATFORM_ARCH)
else(NOT DEFINED FFMPEG_BUILDDIR)
# Using shared libraries
include_directories(ffmpeg ${FFMPEG_BUILDDIR})
add_library(libavformat STATIC IMPORTED)
set_target_properties(libavformat PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libavformat/libavformat.a)
add_library(libavcodec STATIC IMPORTED)
set_target_properties(libavcodec PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libavcodec/libavcodec.a)
add_library(libavutil STATIC IMPORTED)
set_target_properties(libavutil PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libavutil/libavutil.a)
add_library(libswresample STATIC IMPORTED)
set_target_properties(libswresample PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libswresample/libswresample.a)
add_library(libswscale STATIC IMPORTED)
set_target_properties(libswscale PROPERTIES IMPORTED_LOCATION ${FFMPEG_BUILDDIR}/libswscale/libswscale.a)
SET (FFMPEG_LIBRARIES
libavformat
libavcodec
libavutil
libswresample
libswscale
)
endif(NOT DEFINED FFMPEG_BUILDDIR)
endif(NOT FFMPEG_FOUND)
find_library(ICONV_LIBRARY NAMES iconv)
if (ICONV_LIBRARY)
@ -514,15 +520,25 @@ if(USE_FFMPEG)
endif()
endif(APPLE)
set(LinkCommon ${LinkCommon} ${FFMPEG_LIBRARIES})
if(FFMPEG_FOUND)
set(nativeExtraLibs ${nativeExtraLibs} ${FFMPEG_LIBRARIES})
else()
set(LinkCommon ${LinkCommon} ${FFMPEG_LIBRARIES})
endif()
target_link_libraries(Common ${FFMPEG_LIBRARIES})
add_definitions(-DUSE_FFMPEG)
endif(USE_FFMPEG)
# Modification to show where we are pulling the ffmpeg libraries from.
if(USE_FFMPEG AND DEFINED FFMPEG_LIBRARIES)
target_link_libraries(Common ${FFMPEG_LIBRARIES})
message(STATUS "FFMPEG library locations:")
if(DEFINED PLATFORM_ARCH)
if(FFMPEG_FOUND)
message(STATUS "libavcodec location: ${FFMPEG_avcodec_LIBRARY}")
message(STATUS "libavformat location: ${FFMPEG_avformat_LIBRARY}")
message(STATUS "libavutil location: ${FFMPEG_avutil_LIBRARY}")
message(STATUS "libswresample location: ${FFMPEG_swresample_LIBRARY}")
message(STATUS "libswscale location: ${FFMPEG_swscale_LIBRARY}")
elseif(DEFINED PLATFORM_ARCH)
set(TEMP ${CMAKE_SOURCE_DIR}/ffmpeg/${PLATFORM_ARCH}/lib)
message(STATUS "libavcodec location: ${TEMP}/libavcodec.a")
message(STATUS "libavformat location: ${TEMP}/libavformat.a")
@ -540,7 +556,7 @@ if(USE_FFMPEG AND DEFINED FFMPEG_LIBRARIES)
message(STATUS "libswresample location: ${TEMP}")
get_target_property(TEMP libswscale IMPORTED_LOCATION)
message(STATUS "libswscale location: ${TEMP}")
endif(DEFINED PLATFORM_ARCH)
endif()
else()
message(STATUS "ERROR: No FFMPEG library locations")
endif()

167
CMakeTests/FindFFMPEG.cmake Normal file
View File

@ -0,0 +1,167 @@
# FindFFMPEG
# ----------
#
# Find the native FFMPEG includes and libraries
#
# This module defines:
#
# FFMPEG_INCLUDE_DIR, where to find avformat.h, avcodec.h...
# FFMPEG_LIBRARIES, the libraries to link against to use FFMPEG.
# FFMPEG_FOUND, If false, do not try to use FFMPEG.
#
# also defined, but not for general use are:
#
# FFMPEG_avformat_LIBRARY, where to find the FFMPEG avformat library.
# FFMPEG_avcodec_LIBRARY, where to find the FFMPEG avcodec library.
#
# This is useful to do it this way so that we can always add more libraries
# if needed to ``FFMPEG_LIBRARIES`` if ffmpeg ever changes...
#=============================================================================
# Copyright: 1993-2008 Ken Martin, Will Schroeder, Bill Lorensen
#
# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
#
# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
#=============================================================================
# (To distribute this file outside of ppsspp, substitute the full
# License text for the above reference.)
find_path(FFMPEG_INCLUDE_DIR1 avformat.h
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/ffmpeg
$ENV{FFMPEG_DIR}/libavformat
$ENV{FFMPEG_DIR}/include/libavformat
$ENV{FFMPEG_DIR}/include/ffmpeg
/usr/local/include/ffmpeg
/usr/include/ffmpeg
/usr/include/libavformat
/usr/include/ffmpeg/libavformat
/usr/local/include/libavformat
)
find_path(FFMPEG_INCLUDE_DIR2 avcodec.h
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/ffmpeg
$ENV{FFMPEG_DIR}/libavcodec
$ENV{FFMPEG_DIR}/include/libavcodec
$ENV{FFMPEG_DIR}/include/ffmpeg
/usr/local/include/ffmpeg
/usr/include/ffmpeg
/usr/include/libavcodec
/usr/include/ffmpeg/libavcodec
/usr/local/include/libavcodec
)
find_path(FFMPEG_INCLUDE_DIR3 avutil.h
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/ffmpeg
$ENV{FFMPEG_DIR}/libavutil
$ENV{FFMPEG_DIR}/include/libavutil
$ENV{FFMPEG_DIR}/include/ffmpeg
/usr/local/include/ffmpeg
/usr/include/ffmpeg
/usr/include/libavutil
/usr/include/ffmpeg/libavutil
/usr/local/include/libavutil
)
find_path(FFMPEG_INCLUDE_DIR4 swresample.h
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/ffmpeg
$ENV{FFMPEG_DIR}/libswresample
$ENV{FFMPEG_DIR}/include/libswresample
$ENV{FFMPEG_DIR}/include/ffmpeg
/usr/local/include/ffmpeg
/usr/include/ffmpeg
/usr/include/libswresample
/usr/include/ffmpeg/libswresample
/usr/local/include/libswresample
)
find_path(FFMPEG_INCLUDE_DIR5 swscale.h
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/ffmpeg
$ENV{FFMPEG_DIR}/libswscale
$ENV{FFMPEG_DIR}/include/libswscale
$ENV{FFMPEG_DIR}/include/ffmpeg
/usr/local/include/ffmpeg
/usr/include/ffmpeg
/usr/include/libswscale
/usr/include/ffmpeg/libswscale
/usr/local/include/libswscale
)
if(FFMPEG_INCLUDE_DIR1 AND
FFMPEG_INCLUDE_DIR2 AND
FFMPEG_INCLUDE_DIR3 AND
FFMPEG_INCLUDE_DIR4 AND
FFMPEG_INCLUDE_DIR5
)
set(FFMPEG_INCLUDE_DIR ${FFMPEG_INCLUDE_DIR1}
${FFMPEG_INCLUDE_DIR2}
${FFMPEG_INCLUDE_DIR3}
${FFMPEG_INCLUDE_DIR4}
${FFMPEG_INCLUDE_DIR5}
)
endif()
find_library(FFMPEG_avformat_LIBRARY avformat
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/lib
$ENV{FFMPEG_DIR}/libavformat
/usr/local/lib
/usr/lib
)
find_library(FFMPEG_avcodec_LIBRARY avcodec
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/lib
$ENV{FFMPEG_DIR}/libavcodec
/usr/local/lib
/usr/lib
)
find_library(FFMPEG_avutil_LIBRARY avutil
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/lib
$ENV{FFMPEG_DIR}/libavutil
/usr/local/lib
/usr/lib
)
find_library(FFMPEG_swresample_LIBRARY swresample
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/lib
$ENV{FFMPEG_DIR}/libswresample
/usr/local/lib
/usr/lib
)
find_library(FFMPEG_swscale_LIBRARY swscale
$ENV{FFMPEG_DIR}
$ENV{FFMPEG_DIR}/lib
$ENV{FFMPEG_DIR}/libswscale
/usr/local/lib
/usr/lib
)
if(FFMPEG_INCLUDE_DIR)
if(FFMPEG_avformat_LIBRARY AND
FFMPEG_avcodec_LIBRARY AND
FFMPEG_avutil_LIBRARY AND
FFMPEG_swresample_LIBRARY AND
FFMPEG_swscale_LIBRARY
)
set(FFMPEG_FOUND "YES")
set(FFMPEG_LIBRARIES ${FFMPEG_avformat_LIBRARY}
${FFMPEG_avcodec_LIBRARY}
${FFMPEG_avutil_LIBRARY}
${FFMPEG_swresample_LIBRARY}
${FFMPEG_swscale_LIBRARY}
)
endif()
endif()