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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/base/android/browser_cdm_factory_android.h"
#include "base/command_line.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "media/base/android/media_drm_bridge.h"
#include "media/base/media_switches.h"
#include "third_party/widevine/cdm/widevine_cdm_common.h"
namespace media {
scoped_refptr<MediaKeys> BrowserCdmFactoryAndroid::CreateBrowserCdm(
const std::string& key_system,
bool use_hw_secure_codecs,
const SessionMessageCB& session_message_cb,
const SessionClosedCB& session_closed_cb,
const LegacySessionErrorCB& legacy_session_error_cb,
const SessionKeysChangeCB& session_keys_change_cb,
const SessionExpirationUpdateCB& session_expiration_update_cb) {
if (!MediaDrmBridge::IsKeySystemSupported(key_system)) {
NOTREACHED() << "Key system not supported unexpectedly: " << key_system;
return nullptr;
}
scoped_refptr<MediaDrmBridge> cdm(
MediaDrmBridge::Create(key_system, session_message_cb, session_closed_cb,
legacy_session_error_cb, session_keys_change_cb,
session_expiration_update_cb));
if (!cdm) {
NOTREACHED() << "MediaDrmBridge cannot be created for " << key_system;
return nullptr;
}
if (key_system == kWidevineKeySystem) {
MediaDrmBridge::SecurityLevel security_level =
use_hw_secure_codecs ? MediaDrmBridge::SECURITY_LEVEL_1
: MediaDrmBridge::SECURITY_LEVEL_3;
if (!cdm->SetSecurityLevel(security_level)) {
DVLOG(1) << "failed to set security level " << security_level;
return nullptr;
}
} else {
// Assume other key systems require hardware-secure codecs and thus do not
// support full compositing.
if (!use_hw_secure_codecs) {
NOTREACHED()
<< key_system
<< " may require use_video_overlay_for_embedded_encrypted_video";
return nullptr;
}
}
return cdm;
}
} // namespace media
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