chromium/content/public/browser/media_device_id.cc

// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/public/browser/media_device_id.h"

#include "base/ranges/algorithm.h"
#include "base/strings/string_util.h"
#include "base/task/sequenced_task_runner.h"
#include "content/browser/media/media_devices_util.h"
#include "content/public/browser/browser_thread.h"
#include "media/audio/audio_device_description.h"
#include "third_party/blink/public/common/mediastream/media_device_id.h"

namespace content {

std::string GetHMACForMediaDeviceID(const std::string& salt,
                                    const url::Origin& security_origin,
                                    const std::string& raw_unique_id) { … }

bool DoesMediaDeviceIDMatchHMAC(const std::string& salt,
                                const url::Origin& security_origin,
                                const std::string& device_guid,
                                const std::string& raw_unique_id) { … }

void GetMediaDeviceIDForHMAC(
    blink::mojom::MediaStreamType stream_type,
    std::string salt,
    url::Origin security_origin,
    std::string hmac_device_id,
    scoped_refptr<base::SequencedTaskRunner> task_runner,
    base::OnceCallback<void(const std::optional<std::string>&)> callback) { … }

bool IsValidDeviceId(const std::string& device_id) { … }

}  // namespace content