diff --git a/.gitmodules b/.gitmodules
index fec30cac..bf1e33a5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,15 @@
 [submodule "librw"]
 	path = librw
 	url = https://github.com/aap/librw
+[submodule "opus"]
+	path = opus
+	url = https://github.com/xiph/opus.git
+	branch = master
+[submodule "opusfile"]
+	path = opusfile
+	url = https://github.com/xiph/opusfile.git
+	branch = master
+[submodule "ogg"]
+	path = ogg
+	url = https://github.com/xiph/ogg.git
+	branch = master
diff --git a/ogg b/ogg
new file mode 160000
index 00000000..1e8d7cce
--- /dev/null
+++ b/ogg
@@ -0,0 +1 @@
+Subproject commit 1e8d7cce266df61afc9d35db0283bbacc0237aba
diff --git a/opus b/opus
new file mode 160000
index 00000000..8aa77672
--- /dev/null
+++ b/opus
@@ -0,0 +1 @@
+Subproject commit 8aa7767207b1e3633004c26aecbb67d1c5118485
diff --git a/opusfile b/opusfile
new file mode 160000
index 00000000..eb252537
--- /dev/null
+++ b/opusfile
@@ -0,0 +1 @@
+Subproject commit eb252537f374e30f7b68b84223c5a2303c05eca2