diff options
Diffstat (limited to 'cmake/FindFFmpeg.cmake')
| -rw-r--r-- | cmake/FindFFmpeg.cmake | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/cmake/FindFFmpeg.cmake b/cmake/FindFFmpeg.cmake new file mode 100644 index 0000000..ef65af4 --- /dev/null +++ b/cmake/FindFFmpeg.cmake @@ -0,0 +1,78 @@ +# - Try to find FFmpeg +# Using Pkg-config if available for path +# +# FFMPEG_FOUND - all required ffmpeg components found on system +# FFMPEG_INCLUDE_DIRS - combined include directories +# FFMPEG_LIBRARIES - combined libraries to link + +set(REQUIRED_AVCODEC_VERSION 0.8) +set(REQUIRED_AVCODEC_API_VERSION 53.25.0) + +find_package(PkgConfig) + +if (PKG_CONFIG_FOUND) + pkg_check_modules(AVCODEC libavcodec) + pkg_check_modules(AVUTIL libavutil) + pkg_check_modules(AVRESAMPLE libavresample) + pkg_check_modules(SWRESAMPLE libswresample) +endif(PKG_CONFIG_FOUND) + +# avcodec +find_path(AVCODEC_INCLUDE_DIR libavcodec/avcodec.h PATHS ${AVCODEC_INCLUDE_DIRS}) +find_library(AVCODEC_LIBRARY avcodec PATHS ${AVCODEC_LIBRARY_DIRS}) + +# avutil +find_path(AVUTIL_INCLUDE_DIR libavutil/avutil.h PATHS ${AVUTIL_INCLUDE_DIRS}) +find_library(AVUTIL_LIBRARY avutil PATHS ${AVUTIL_LIBRARY_DIRS}) + +# swresample +find_path(SWRESAMPLE_INCLUDE_DIR libswresample/swresample.h PATHS ${SWRESAMPLE_INCLUDE_DIRS}) +find_library(SWRESAMPLE_LIBRARY NAMES swresample swresample-3 PATHS ${SWRESAMPLE_LIBRARY_DIRS}) + +if (SWRESAMPLE_INCLUDE_DIR AND SWRESAMPLE_LIBRARY) + set(SWRESAMPLE_FOUND ON) +endif() + +# avresample +find_path(AVRESAMPLE_INCLUDE_DIR libavresample/avresample.h PATHS ${AVRESAMPLE_INCLUDE_DIRS}) +find_library(AVRESAMPLE_LIBRARY avresample PATHS ${AVRESAMPLE_LIBRARY_DIRS}) + +if (AVRESAMPLE_INCLUDE_DIR AND AVRESAMPLE_LIBRARY) + set(AVRESAMPLE_FOUND ON) +endif() + +if (AVCODEC_INCLUDE_DIR AND AVCODEC_LIBRARY) + set(AVCODEC_FOUND TRUE) +endif(AVCODEC_INCLUDE_DIR AND AVCODEC_LIBRARY) + +if (AVUTIL_INCLUDE_DIR AND AVUTIL_LIBRARY) + set(AVUTIL_FOUND TRUE) +endif(AVUTIL_INCLUDE_DIR AND AVUTIL_LIBRARY) + +include(FindPackageHandleStandardArgs) +if (SWRESAMPLE_FOUND) + FIND_PACKAGE_HANDLE_STANDARD_ARGS(FFmpeg DEFAULT_MSG AVUTIL_FOUND AVCODEC_FOUND SWRESAMPLE_FOUND) +else() + FIND_PACKAGE_HANDLE_STANDARD_ARGS(FFmpeg DEFAULT_MSG AVUTIL_FOUND AVCODEC_FOUND AVRESAMPLE_FOUND) +endif() + +if (AVCODEC_VERSION) + if (${AVCODEC_VERSION} VERSION_LESS ${REQUIRED_AVCODEC_API_VERSION}) + message(FATAL_ERROR + "libavcodec version >= ${REQUIRED_AVCODEC_VERSION} (API >= ${REQUIRED_AVCODEC_API_VERSION}) is required") + endif() +else(AVCODEC_VERSION) + message("Note: To build libavcodec version >= ${REQUIRED_AVCODEC_VERSION} (API >= ${REQUIRED_AVCODEC_API_VERSION}) is required") +endif(AVCODEC_VERSION) + +if (FFMPEG_FOUND) + if (SWRESAMPLE_FOUND) + set(FFMPEG_INCLUDE_DIRS ${AVCODEC_INCLUDE_DIR} ${AVUTIL_INCLUDE_DIR} ${SWRESAMPLE_INCLUDE_DIR}) + set(FFMPEG_LIBRARIES ${AVCODEC_LIBRARY} ${AVUTIL_LIBRARY} ${SWRESAMPLE_LIBRARY}) + elseif (AVRESAMPLE_FOUND) + set(FFMPEG_INCLUDE_DIRS ${AVCODEC_INCLUDE_DIR} ${AVUTIL_INCLUDE_DIR} ${AVRESAMPLE_INCLUDE_DIR}) + set(FFMPEG_LIBRARIES ${AVCODEC_LIBRARY} ${AVUTIL_LIBRARY} ${AVRESAMPLE_LIBRARY}) + endif() +endif(FFMPEG_FOUND) + +mark_as_advanced(FFMPEG_INCLUDE_DIRS FFMPEG_LIBRARIES) |