diff --git a/patches/remove-undefined-ffmpeg-identifier.patch b/patches/remove-undefined-ffmpeg-identifier.patch
new file mode 100644
index 00000000..37ac9a98
--- /dev/null
+++ b/patches/remove-undefined-ffmpeg-identifier.patch
@@ -0,0 +1,15 @@
+diff --git a/media/filters/ffmpeg_glue.cc b/media/filters/ffmpeg_glue.cc
+index 26bb9e8b92614..05143a0130b22 100644
+--- a/media/filters/ffmpeg_glue.cc
++++ b/media/filters/ffmpeg_glue.cc
+@@ -109,10 +109,6 @@ FFmpegGlue::FFmpegGlue(FFmpegURLProtocol* protocol) {
+   // Enable fast, but inaccurate seeks for MP3.
+   format_context_->flags |= AVFMT_FLAG_FAST_SEEK;
+ 
+-  // We don't allow H.264 parsing during demuxing since we have our own parser
+-  // and the ffmpeg one increases memory usage unnecessarily.
+-  format_context_->flags |= AVFMT_FLAG_NOH264PARSE;
+-
+   // Ensures format parsing errors will bail out. From an audit on 11/2017, all
+   // instances were real failures. Solves bugs like http://crbug.com/710791.
+   format_context_->error_recognition |= AV_EF_EXPLODE;
diff --git a/patches/use-clang19-cflag.patch b/patches/use-clang19-cflag.patch
new file mode 100644
index 00000000..75362b17
--- /dev/null
+++ b/patches/use-clang19-cflag.patch
@@ -0,0 +1,13 @@
+diff --git a/build/config/compiler/BUILD.gn b/build/config/compiler/BUILD.gn
+index 88109264ea962..ac9f6663f2cf5 100644
+--- a/build/config/compiler/BUILD.gn
++++ b/build/config/compiler/BUILD.gn
+@@ -1991,7 +1991,7 @@ config("default_warnings") {
+         cflags_cc += [ "-Wno-dangling-assignment-gsl" ]
+ 
+         # TODO(crbug.com/376641662): Fix and re-enable.
+-        cflags += [ "-Wno-nontrivial-memcall" ]
++        cflags += [ "-Wno-nontrivial-memaccess" ]
+       }
+     }
+