Fix svt_av1 undefined symbol

source.sh

@@ -2,6 +2,13 @@
 # BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
 # BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT
 
+# The prepare function is executed in the root of the temp directory
+# This function is used for putting downloaded files to the correct location or applying patches
+prepare() {
+  cd "$BPM_SOURCE"
+  patch -Np1 -i "$BPM_WORKDIR"/svt-av1-fix.patch
+}
+
 # The build function is executed in the source directory
 # This function is used to compile the source code
 build() {
@@ -13,7 +20,8 @@ build() {
         -DWITH_FFMPEG_DECODER_PLUGIN=ON \
         -DWITH_SvtEnc=ON                \
         -DWITH_OpenJPEG_DECODER=ON      \
-        -DWITH_GDK_PIXBUF=OFF
+        -DWITH_GDK_PIXBUF=OFF           \
+        -DWITH_EXAMPLE_HEIF_THUMB=OFF
   cmake --build build
 }