Revision control
++ # Copyright (C) 2023 The Qt Company Ltd.
++ # SPDX-License-Identifier: BSD-3-Clause
++
++ function(qt_internal_multimedia_validate_ffmpeg_shared_libs libs)
++ if (NOT libs)
++ message(FATAL_ERROR "Attempted to install FFmpeg shared libraries but the list is empty")
++ endif()
++
++ foreach(lib_path IN LISTS libs)
++ if (NOT EXISTS "${lib_path}")
++ message(FATAL_ERROR "FFmpeg shared library file '${lib_path}' does not exist")
++ endif()
++ endforeach()
++ endfunction()
++
++ function(qt_internal_multimedia_copy_or_install_ffmpeg)
++ qt_internal_multimedia_validate_ffmpeg_shared_libs(${FFMPEG_SHARED_LIBRARIES})
++
++ if (WIN32)
++ set(install_dir ${INSTALL_BINDIR})
++ elseif (UIKIT)
++ set(install_dir ${INSTALL_LIBDIR}/ffmpeg)
++ else()
++ set(install_dir ${INSTALL_LIBDIR})
++ endif()
++
++ if (QT_WILL_INSTALL)
++ if (UIKIT)
++ # iOS uses .xcframework files for dynamic linking. These
++ # count as directories by the qt_install function.
++ qt_install(DIRECTORY "${FFMPEG_SHARED_LIBRARIES}" DESTINATION ${install_dir})
++ else()
++ qt_install(FILES "${FFMPEG_SHARED_LIBRARIES}" DESTINATION ${install_dir})
++ endif()
++ else()
++ # elseif(NOT WIN32) actually we can just drop the coping for unix platforms
++ # However, it makes sense to copy anyway for consistency:
++ # in order to have the same configuration for developer builds.
++
++ set(ffmpeg_output_dir "${QT_BUILD_DIR}/${install_dir}")
++ file(MAKE_DIRECTORY ${ffmpeg_output_dir})
++
++ foreach(lib_path ${FFMPEG_SHARED_LIBRARIES})
++ get_filename_component(lib_name ${lib_path} NAME)
++ if(NOT EXISTS "${ffmpeg_output_dir}/${lib_name}")
++ file(COPY ${lib_path} DESTINATION ${ffmpeg_output_dir})
++ endif()
++ endforeach()
++ endif()
++
++ # Should we set the compile definition for the plugin or for the QtMM module?
++ # target_compile_definitions(QFFmpegMediaPlugin PRIVATE FFMPEG_DEPLOY_FOLDER="${FFMPEG_DEPLOY_FOLDER}")
++ endfunction()