зеркало из https://github.com/mozilla/gecko-dev.git
68 строки
2.1 KiB
C++
68 строки
2.1 KiB
C++
/*
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* Copyright 2015, Mozilla Foundation and contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "BigEndian.h"
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#include "ClearKeyDecryptionManager.h"
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#include "ClearKeySession.h"
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#include "ClearKeyUtils.h"
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#include "ClearKeyStorage.h"
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#include "psshparser/PsshParser.h"
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#include <assert.h>
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#include <string.h>
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using namespace mozilla;
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using namespace cdm;
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ClearKeySession::ClearKeySession(const std::string& aSessionId,
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SessionType aSessionType)
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: mSessionId(aSessionId), mSessionType(aSessionType) {
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CK_LOGD("ClearKeySession ctor %p", this);
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}
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ClearKeySession::~ClearKeySession() {
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CK_LOGD("ClearKeySession dtor %p", this);
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}
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bool ClearKeySession::Init(InitDataType aInitDataType, const uint8_t* aInitData,
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uint32_t aInitDataSize) {
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CK_LOGD("ClearKeySession::Init");
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if (aInitDataType == InitDataType::kCenc) {
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ParseCENCInitData(aInitData, aInitDataSize, mKeyIds);
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} else if (aInitDataType == InitDataType::kKeyIds) {
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ClearKeyUtils::ParseKeyIdsInitData(aInitData, aInitDataSize, mKeyIds);
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} else if (aInitDataType == InitDataType::kWebM &&
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aInitDataSize <= kMaxWebmInitDataSize) {
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// "webm" initData format is simply the raw bytes of the keyId.
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std::vector<uint8_t> keyId;
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keyId.assign(aInitData, aInitData + aInitDataSize);
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mKeyIds.push_back(keyId);
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}
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if (mKeyIds.empty()) {
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return false;
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}
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return true;
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}
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SessionType ClearKeySession::Type() const { return mSessionType; }
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void ClearKeySession::AddKeyId(const KeyId& aKeyId) {
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mKeyIds.push_back(aKeyId);
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}
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