CMake: disable FFMPEG automatically if it is too old

mixxxdj · Feb 17, 2021 · 18bc1e8 · 18bc1e8
1 parent e5d98a5
commit 18bc1e8
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Showing 2 changed files with 1 addition and 3 deletions.
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -11,10 +11,8 @@ jobs:
         include:
           - name: Ubuntu 18.04 (gcc)
             os: ubuntu-18.04
-            # FFMPEG version on 18.04 is too old
             cmake_args: >-
               -DFAAD=ON
-              -DFFMPEG=OFF
               -DLOCALECOMPARE=ON
               -DMAD=ON
               -DMODPLUG=ON

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -2240,7 +2240,7 @@ endif()
 # FFmpeg 4.x support
 # FFmpeg is multimedia library that can be found http://ffmpeg.org/
 find_package(FFMPEG COMPONENTS libavcodec libavformat libavutil libswresample)
-cmake_dependent_option(FFMPEG "FFmpeg 4.x support" ON "FFMPEG_FOUND" OFF)
+cmake_dependent_option(FFMPEG "FFmpeg 4.x support" ON "FFMPEG_FOUND;FFMPEG_libavcodec_VERSION VERSION_GREATER_EQUAL 58" OFF)
 if(FFMPEG)
   if(NOT FFMPEG_libavcodec_FOUND)
     message(FATAL_ERROR "FFmpeg support requires libavcodec and its development headers.")