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authorameerj <aj662@drexel.edu>2020-10-27 04:07:36 +0100
committerameerj <aj662@drexel.edu>2020-10-27 04:07:36 +0100
commiteb67a45ca82bc01ac843c853fd3c17f2a90e0250 (patch)
tree11e78a1b728ef0a608fae43d966b613eb4e6d58a /externals/find-modules
parentMerge pull request #4827 from lioncash/trunc (diff)
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Diffstat (limited to 'externals/find-modules')
-rw-r--r--externals/find-modules/FindFFmpeg.cmake100
1 files changed, 100 insertions, 0 deletions
diff --git a/externals/find-modules/FindFFmpeg.cmake b/externals/find-modules/FindFFmpeg.cmake
new file mode 100644
index 000000000..77b331e00
--- /dev/null
+++ b/externals/find-modules/FindFFmpeg.cmake
@@ -0,0 +1,100 @@
+# - Try to find ffmpeg libraries (libavcodec, libavformat and libavutil)
+# Once done this will define
+#
+# FFMPEG_FOUND - system has ffmpeg or libav
+# FFMPEG_INCLUDE_DIR - the ffmpeg include directory
+# FFMPEG_LIBRARIES - Link these to use ffmpeg
+# FFMPEG_LIBAVCODEC
+# FFMPEG_LIBAVFORMAT
+# FFMPEG_LIBAVUTIL
+#
+# Copyright (c) 2008 Andreas Schneider <mail@cynapses.org>
+# Modified for other libraries by Lasse Kärkkäinen <tronic>
+# Modified for Hedgewars by Stepik777
+# Modified for FFmpeg-example Tuukka Pasanen 2018
+# Modified for yuzu toastUnlimted 2020
+#
+# Redistribution and use is allowed according to the terms of the New
+# BSD license.
+#
+
+include(FindPackageHandleStandardArgs)
+
+find_package_handle_standard_args(FFMPEG
+ FOUND_VAR FFMPEG_FOUND
+ REQUIRED_VARS
+ FFMPEG_LIBRARY
+ FFMPEG_INCLUDE_DIR
+ VERSION_VAR FFMPEG_VERSION
+)
+
+if(FFMPEG_LIBRARIES AND FFMPEG_INCLUDE_DIR)
+ # in cache already
+ set(FFMPEG_FOUND TRUE)
+else()
+ # use pkg-config to get the directories and then use these values
+ # in the FIND_PATH() and FIND_LIBRARY() calls
+ find_package(PkgConfig)
+ if(PKG_CONFIG_FOUND)
+ pkg_check_modules(_FFMPEG_AVCODEC libavcodec)
+ pkg_check_modules(_FFMPEG_AVUTIL libavutil)
+ pkg_check_modules(_FFMPEG_SWSCALE libswscale)
+ endif()
+
+ find_path(FFMPEG_AVCODEC_INCLUDE_DIR
+ NAMES libavcodec/avcodec.h
+ PATHS ${_FFMPEG_AVCODEC_INCLUDE_DIRS}
+ /usr/include
+ /usr/local/include
+ /opt/local/include
+ /sw/include
+ PATH_SUFFIXES ffmpeg libav)
+
+ find_library(FFMPEG_LIBAVCODEC
+ NAMES avcodec
+ PATHS ${_FFMPEG_AVCODEC_LIBRARY_DIRS}
+ /usr/lib
+ /usr/local/lib
+ /opt/local/lib
+ /sw/lib)
+
+ find_library(FFMPEG_LIBAVUTIL
+ NAMES avutil
+ PATHS ${_FFMPEG_AVUTIL_LIBRARY_DIRS}
+ /usr/lib
+ /usr/local/lib
+ /opt/local/lib
+ /sw/lib)
+
+ find_library(FFMPEG_LIBSWSCALE
+ NAMES swscale
+ PATHS ${_FFMPEG_SWSCALE_LIBRARY_DIRS}
+ /usr/lib
+ /usr/local/lib
+ /opt/local/lib
+ /sw/lib)
+
+ if(FFMPEG_LIBAVCODEC AND FFMPEG_LIBAVUTIL AND FFMPEG_LIBSWSCALE)
+ set(FFMPEG_FOUND TRUE)
+ endif()
+
+ if(FFMPEG_FOUND)
+ set(FFMPEG_INCLUDE_DIR ${FFMPEG_AVCODEC_INCLUDE_DIR})
+ set(FFMPEG_LIBRARIES
+ ${FFMPEG_LIBAVCODEC}
+ ${FFMPEG_LIBAVUTIL}
+ ${FFMPEG_LIBSWSCALE})
+ endif()
+
+ if(FFMPEG_FOUND)
+ if(NOT FFMPEG_FIND_QUIETLY)
+ message(STATUS
+ "Found FFMPEG or Libav: ${FFMPEG_LIBRARIES}, ${FFMPEG_INCLUDE_DIR}")
+ endif()
+ else()
+ if(FFMPEG_FIND_REQUIRED)
+ message(FATAL_ERROR
+ "Could not find libavcodec or libavutil or libswscale")
+ endif()
+ endif()
+endif()