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