chromium/third_party/webrtc/media/engine/adm_helpers.cc

/*
 *  Copyright (c) 2017 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.
 */

#include "media/engine/adm_helpers.h"

#include "api/audio/audio_device.h"
#include "rtc_base/checks.h"
#include "rtc_base/logging.h"

namespace webrtc {
namespace adm_helpers {

// On Windows Vista and newer, Microsoft introduced the concept of "Default
// Communications Device". This means that there are two types of default
// devices (old Wave Audio style default and Default Communications Device).
//
// On Windows systems which only support Wave Audio style default, uses either
// -1 or 0 to select the default device.
//
// Using a #define for AUDIO_DEVICE since we will call *different* versions of
// the ADM functions, depending on the ID type.
#if defined(WEBRTC_WIN)
#define AUDIO_DEVICE_ID …
#else
#define AUDIO_DEVICE_ID …
#endif  // defined(WEBRTC_WIN)

void Init(AudioDeviceModule* adm) { … }
}  // namespace adm_helpers
}  // namespace webrtc