commit 657f710155d4afdd488f1647d6f4d5dc4d7201d5
Author: Oscar Cowdery Lack <oscar@lightningvisuals.com>
Date:   Thu Apr 21 22:23:12 2022 +1000

    fix: incorrect variable name in FindFFmpeg (#1394)

diff --git a/src/CMakeModules/FindFFmpeg.cmake b/src/CMakeModules/FindFFmpeg.cmake
index a5560d808..383c995a3 100644
--- a/src/CMakeModules/FindFFmpeg.cmake
+++ b/src/CMakeModules/FindFFmpeg.cmake
@@ -63,7 +63,7 @@ macro(find_component _component _pkgconfig _library _header)
      # in the FIND_PATH() and FIND_LIBRARY() calls
      find_package(PkgConfig)
      if (PKG_CONFIG_FOUND)
-       pkg_check_modules(${_component} ${_pkgconfig})
+       pkg_check_modules(PC_LIB${_component} ${_pkgconfig})
      endif ()
   endif (NOT WIN32)