webrtc_m130/modules/portal/pipewire_utils.h

/*
 *  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_