chromium/media/base/key_systems_impl.h

// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef MEDIA_BASE_KEY_SYSTEMS_IMPL_H_
#define MEDIA_BASE_KEY_SYSTEMS_IMPL_H_

#include <stdint.h>

#include <optional>
#include <string>
#include <unordered_map>
#include <vector>

#include "base/callback_list.h"
#include "base/functional/callback.h"
#include "base/no_destructor.h"
#include "base/threading/thread_checker.h"
#include "media/base/decrypt_config.h"
#include "media/base/eme_constants.h"
#include "media/base/key_system_info.h"
#include "media/base/key_systems.h"
#include "media/base/key_systems_support_registration.h"
#include "media/base/media_export.h"

namespace media {

// TODO(b/321307544): Rename this callback to more appropriate name e.g.
// GetSupportedKeySystemsCB.
RegisterKeySystemsSupportCB;

// An implementation of KeySystems that provides functionality to query
// registered key systems.
class MEDIA_EXPORT KeySystemsImpl : public KeySystems { … };

}  // namespace media

#endif  // MEDIA_BASE_KEY_SYSTEMS_IMPL_H_