1 files changed, 37 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/portal/pipewire_utils.h b/third_party/libwebrtc/modules/portal/pipewire_utils.h
new file mode 100644
index 0000000000..8344a8cefb
--- /dev/null
+++ b/third_party/libwebrtc/modules/portal/pipewire_utils.h
@@ -0,0 +1,37 @@
+/*
+ *  Copyright 2022 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#ifndef MODULES_PORTAL_PIPEWIRE_UTILS_H_
+#define MODULES_PORTAL_PIPEWIRE_UTILS_H_
+
+struct pw_thread_loop;
+
+namespace webrtc {
+
+constexpr int kInvalidPipeWireFd = -1;
+
+// Prepare PipeWire so that it is ready to be used. If it needs to be dlopen'd
+// this will do so. Note that this does not guarantee a PipeWire server is
+// running nor does it establish a connection to one.
+bool InitializePipeWire();
+
+// Locks pw_thread_loop in the current scope
+class PipeWireThreadLoopLock {
+ public:
+  explicit PipeWireThreadLoopLock(pw_thread_loop* loop);
+  ~PipeWireThreadLoopLock();
+
+ private:
+  pw_thread_loop* const loop_;
+};
+
+}  // namespace webrtc
+
+#endif  // MODULES_PORTAL_PIPEWIRE_UTILS_H_