diff --git a/.gitmodules b/.gitmodules
index 2bb03c5..023fce3 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "webm-muxer.js"]
 	path = webm-muxer.js
 	url = https://github.com/davedoesdev/webm-muxer.js
+[submodule "ffmpeg.js"]
+	path = ffmpeg.js
+	url = https://github.com/davedoesdev/ffmpeg.js.git
diff --git a/ffmpeg.js b/ffmpeg.js
new file mode 160000
index 0000000..f4a9e9b
--- /dev/null
+++ b/ffmpeg.js
@@ -0,0 +1 @@
+Subproject commit f4a9e9b936395ce34121c225ac97ac160572a1f7