blob: 18fa3abf81b269423902db0d7a2ae64d4aab2dbb [file] [log] [blame]
// Copyright 2015 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/mojo/clients/mojo_cdm_factory.h"
#include "base/bind.h"
#include "base/location.h"
#include "base/single_thread_task_runner.h"
#include "base/threading/thread_task_runner_handle.h"
#include "media/base/content_decryption_module.h"
#include "media/base/key_systems.h"
#include "media/cdm/aes_decryptor.h"
#include "media/mojo/buildflags.h"
#include "media/mojo/clients/mojo_cdm.h"
#include "media/mojo/interfaces/interface_factory.mojom.h"
#include "mojo/public/cpp/bindings/interface_request.h"
#include "url/origin.h"
namespace media {
MojoCdmFactory::MojoCdmFactory(
media::mojom::InterfaceFactory* interface_factory)
: interface_factory_(interface_factory) {
DCHECK(interface_factory_);
}
MojoCdmFactory::~MojoCdmFactory() = default;
void MojoCdmFactory::Create(
const std::string& key_system,
const url::Origin& security_origin,
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,
const CdmCreatedCB& cdm_created_cb) {
DVLOG(2) << __func__ << ": " << key_system;
if (security_origin.unique()) {
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::Bind(cdm_created_cb, nullptr, "Invalid origin."));
return;
}
// When MojoRenderer is used, the real Renderer is running in a remote process,
// which cannot use an AesDecryptor running locally. In this case, always
// create the MojoCdm, giving the remote CDM a chance to handle |key_system|.
// Note: We should not run AesDecryptor in the browser process except for
// testing. See http://crbug.com/441957
#if !BUILDFLAG(ENABLE_MOJO_RENDERER)
if (CanUseAesDecryptor(key_system)) {
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::Bind(cdm_created_cb, cdm, ""));
return;
}
#endif
mojom::ContentDecryptionModulePtr cdm_ptr;
interface_factory_->CreateCdm(key_system, mojo::MakeRequest(&cdm_ptr));
MojoCdm::Create(key_system, security_origin, cdm_config, std::move(cdm_ptr),
interface_factory_, session_message_cb, session_closed_cb,
session_keys_change_cb, session_expiration_update_cb,
cdm_created_cb);
}
} // namespace media