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- // Copyright 2014 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #include "media/cdm/default_cdm_factory.h"
- #include "base/bind.h"
- #include "base/callback_helpers.h"
- #include "base/location.h"
- #include "base/task/single_thread_task_runner.h"
- #include "base/threading/thread_task_runner_handle.h"
- #include "media/base/cdm_config.h"
- #include "media/base/content_decryption_module.h"
- #include "media/base/key_system_names.h"
- #include "media/base/media_switches.h"
- #include "media/cdm/aes_decryptor.h"
- #include "url/origin.h"
- namespace media {
- DefaultCdmFactory::DefaultCdmFactory() = default;
- DefaultCdmFactory::~DefaultCdmFactory() = default;
- static bool ShouldCreateAesDecryptor(const std::string& key_system) {
- if (IsClearKey(key_system))
- return true;
- // Should create AesDecryptor to support External Clear Key key system.
- // This is used for testing.
- return base::FeatureList::IsEnabled(media::kExternalClearKeyForTesting) &&
- IsExternalClearKey(key_system);
- }
- void DefaultCdmFactory::Create(
- const CdmConfig& cdm_config,
- const SessionMessageCB& session_message_cb,
- const SessionClosedCB& session_closed_cb,
- const SessionKeysChangeCB& session_keys_change_cb,
- const SessionExpirationUpdateCB& session_expiration_update_cb,
- CdmCreatedCB cdm_created_cb) {
- if (!ShouldCreateAesDecryptor(cdm_config.key_system)) {
- base::ThreadTaskRunnerHandle::Get()->PostTask(
- FROM_HERE, base::BindOnce(std::move(cdm_created_cb), nullptr,
- "Unsupported key system."));
- return;
- }
- scoped_refptr<ContentDecryptionModule> cdm(
- new AesDecryptor(session_message_cb, session_closed_cb,
- session_keys_change_cb, session_expiration_update_cb));
- base::ThreadTaskRunnerHandle::Get()->PostTask(
- FROM_HERE, base::BindOnce(std::move(cdm_created_cb), cdm, ""));
- }
- } // namespace media
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