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Open Source Computer Vision Library
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76 lines
2.9 KiB
76 lines
2.9 KiB
# --- FFMPEG --- |
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if(NOT HAVE_FFMPEG AND OPENCV_FFMPEG_USE_FIND_PACKAGE) |
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if(OPENCV_FFMPEG_USE_FIND_PACKAGE STREQUAL "1" OR OPENCV_FFMPEG_USE_FIND_PACKAGE STREQUAL "ON") |
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set(OPENCV_FFMPEG_USE_FIND_PACKAGE "FFMPEG") |
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endif() |
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find_package(${OPENCV_FFMPEG_USE_FIND_PACKAGE}) # Required components: AVCODEC AVFORMAT AVUTIL SWSCALE |
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if(FFMPEG_FOUND OR FFmpeg_FOUND) |
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set(HAVE_FFMPEG TRUE) |
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endif() |
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endif() |
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if(NOT HAVE_FFMPEG AND WIN32 AND NOT ARM AND NOT OPENCV_FFMPEG_SKIP_DOWNLOAD) |
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include("${OpenCV_SOURCE_DIR}/3rdparty/ffmpeg/ffmpeg.cmake") |
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download_win_ffmpeg(FFMPEG_CMAKE_SCRIPT) |
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if(FFMPEG_CMAKE_SCRIPT) |
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include("${FFMPEG_CMAKE_SCRIPT}") |
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set(FFMPEG_libavcodec_VERSION ${FFMPEG_libavcodec_VERSION} PARENT_SCOPE) # info |
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set(FFMPEG_libavformat_VERSION ${FFMPEG_libavformat_VERSION} PARENT_SCOPE) # info |
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set(FFMPEG_libavutil_VERSION ${FFMPEG_libavutil_VERSION} PARENT_SCOPE) # info |
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set(FFMPEG_libswscale_VERSION ${FFMPEG_libswscale_VERSION} PARENT_SCOPE) # info |
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set(FFMPEG_libavresample_VERSION ${FFMPEG_libavresample_VERSION} PARENT_SCOPE) # info |
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set(HAVE_FFMPEG TRUE) |
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set(HAVE_FFMPEG_WRAPPER TRUE) |
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endif() |
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endif() |
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if(NOT HAVE_FFMPEG AND PKG_CONFIG_FOUND) |
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pkg_check_modules(FFMPEG libavcodec libavformat libavutil libswscale QUIET) |
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pkg_check_modules(FFMPEG_libavresample libavresample QUIET) # optional |
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if(FFMPEG_FOUND) |
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if(FFMPEG_libavresample_FOUND) |
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list(APPEND FFMPEG_LIBRARIES ${FFMPEG_libavresample_LIBRARIES}) |
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endif() |
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# rewrite libraries to absolute paths |
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foreach(lib ${FFMPEG_LIBRARIES}) |
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find_library(FFMPEG_ABSOLUTE_${lib} "${lib}" PATHS "${FFMPEG_lib${lib}_LIBDIR}" "${FFMPEG_LIBRARY_DIRS}" NO_DEFAULT_PATH) |
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if(FFMPEG_ABSOLUTE_${lib}) |
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list(APPEND ffmpeg_abs_libs "${FFMPEG_ABSOLUTE_${lib}}") |
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else() |
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list(APPEND ffmpeg_abs_libs "${lib}") |
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endif() |
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endforeach() |
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set(FFMPEG_LIBRARIES "${ffmpeg_abs_libs}" CACHE INTERNAL "" FORCE) |
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set(HAVE_FFMPEG TRUE) |
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endif() |
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endif() |
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#================================== |
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if(HAVE_FFMPEG AND NOT HAVE_FFMPEG_WRAPPER AND NOT OPENCV_FFMPEG_SKIP_BUILD_CHECK) |
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try_compile(__VALID_FFMPEG |
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"${OpenCV_BINARY_DIR}" |
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"${OpenCV_SOURCE_DIR}/cmake/checks/ffmpeg_test.cpp" |
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CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${FFMPEG_INCLUDE_DIRS}" |
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"-DLINK_LIBRARIES:STRING=${FFMPEG_LIBRARIES}" |
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OUTPUT_VARIABLE TRY_OUT |
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) |
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if(NOT __VALID_FFMPEG) |
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# message(FATAL_ERROR "FFMPEG: test check build log:\n${TRY_OUT}") |
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message(STATUS "WARNING: Can't build ffmpeg test code") |
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set(HAVE_FFMPEG FALSE) |
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endif() |
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endif() |
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#================================== |
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if(HAVE_FFMPEG) |
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set(defs "HAVE_FFMPEG") |
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if(HAVE_FFMPEG_WRAPPER) |
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list(APPEND defs "HAVE_FFMPEG_WRAPPER") |
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endif() |
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ocv_add_external_target(ffmpeg "${FFMPEG_INCLUDE_DIRS}" "${FFMPEG_LIBRARIES}" "${defs}") |
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endif() |
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set(HAVE_FFMPEG ${HAVE_FFMPEG} PARENT_SCOPE)
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