Link avfilter.

external/ffmpeg/CMakeLists.txt

@@ -11,6 +11,7 @@ if (DESKTOP_APP_USE_PACKAGED)
     find_package(PkgConfig REQUIRED)
 
     pkg_check_modules(AVCODEC REQUIRED IMPORTED_TARGET libavcodec)
+    pkg_check_modules(AVFILTER REQUIRED IMPORTED_TARGET libavfilter)
     pkg_check_modules(AVFORMAT REQUIRED IMPORTED_TARGET libavformat)
     pkg_check_modules(AVUTIL REQUIRED IMPORTED_TARGET libavutil)
     pkg_check_modules(SWSCALE REQUIRED IMPORTED_TARGET libswscale)
@@ -19,6 +20,7 @@ if (DESKTOP_APP_USE_PACKAGED)
     target_link_libraries(external_ffmpeg
     INTERFACE
         PkgConfig::AVCODEC
+        PkgConfig::AVFILTER
         PkgConfig::AVFORMAT
         PkgConfig::AVUTIL
         PkgConfig::SWSCALE
@@ -32,8 +34,9 @@ set(ffmpeg_lib_list)
 
 if (LINUX)
     list(APPEND ffmpeg_lib_list
-        -lavformat
         -lavcodec
+        -lavfilter
+        -lavformat
         -lswresample
         -lswscale
         -lavutil
@@ -47,8 +50,9 @@ else()
     )
 
     list(APPEND ffmpeg_lib_list
-        ${ffmpeg_lib_loc}/libavformat/libavformat.a
         ${ffmpeg_lib_loc}/libavcodec/libavcodec.a
+        ${ffmpeg_lib_loc}/libavfilter/libavfilter.a
+        ${ffmpeg_lib_loc}/libavformat/libavformat.a
         ${ffmpeg_lib_loc}/libswresample/libswresample.a
         ${ffmpeg_lib_loc}/libswscale/libswscale.a
         ${ffmpeg_lib_loc}/libavutil/libavutil.a