diff --git a/pc/srtp_session.cc b/pc/srtp_session.cc
index 4108c12a09..5ded455ee5 100644
--- a/pc/srtp_session.cc
+++ b/pc/srtp_session.cc
@@ -366,6 +366,11 @@ bool SrtpSession::UpdateKey(int type,
 ABSL_CONST_INIT int g_libsrtp_usage_count = 0;
 ABSL_CONST_INIT rtc::GlobalLock g_libsrtp_lock;
 
+void ProhibitLibsrtpInitialization() {
+  rtc::GlobalLockScope ls(&g_libsrtp_lock);
+  ++g_libsrtp_usage_count;
+}
+
 // static
 bool SrtpSession::IncrementLibsrtpUsageCountAndMaybeInit() {
   rtc::GlobalLockScope ls(&g_libsrtp_lock);
diff --git a/pc/srtp_session.h b/pc/srtp_session.h
index 5aa715855d..0a26c02c9f 100644
--- a/pc/srtp_session.h
+++ b/pc/srtp_session.h
@@ -22,6 +22,11 @@ struct srtp_ctx_t_;
 
 namespace cricket {
 
+// Prohibits webrtc from initializing libsrtp. This can be used if libsrtp is
+// initialized by another library or explicitly. Note that this must be called
+// before creating an SRTP session with WebRTC.
+void ProhibitLibsrtpInitialization();
+
 // Class that wraps a libSRTP session.
 class SrtpSession {
  public: