diff --git a/.clang-format-ignore b/.clang-format-ignore
index 6816c55cc4e8..90d2c9864129 100644
--- a/.clang-format-ignore
+++ b/.clang-format-ignore
@@ -48,6 +48,8 @@ dom/media/gmp/widevine-adapter/content_decryption_module.h
 dom/media/gmp/widevine-adapter/content_decryption_module_export.h
 dom/media/gmp/widevine-adapter/content_decryption_module_ext.h
 dom/media/gmp/widevine-adapter/content_decryption_module_proxy.h
+dom/media/platforms/ffmpeg/ffmpeg57/.*
+dom/media/platforms/ffmpeg/ffmpeg58/.*
 dom/media/platforms/ffmpeg/libav53/.*
 dom/media/platforms/ffmpeg/libav54/.*
 dom/media/platforms/ffmpeg/libav55/.*
diff --git a/tools/rewriting/ThirdPartyPaths.txt b/tools/rewriting/ThirdPartyPaths.txt
index 7c87e0ab1191..59158ca4ace0 100644
--- a/tools/rewriting/ThirdPartyPaths.txt
+++ b/tools/rewriting/ThirdPartyPaths.txt
@@ -11,6 +11,8 @@ dom/media/gmp/widevine-adapter/content_decryption_module.h
 dom/media/gmp/widevine-adapter/content_decryption_module_export.h
 dom/media/gmp/widevine-adapter/content_decryption_module_ext.h
 dom/media/gmp/widevine-adapter/content_decryption_module_proxy.h
+dom/media/platforms/ffmpeg/ffmpeg57/
+dom/media/platforms/ffmpeg/ffmpeg58/
 dom/media/platforms/ffmpeg/libav53/
 dom/media/platforms/ffmpeg/libav54/
 dom/media/platforms/ffmpeg/libav55/