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-rw-r--r--media/gmp-clearkey/0.1/ClearKeySession.cpp67
1 files changed, 67 insertions, 0 deletions
diff --git a/media/gmp-clearkey/0.1/ClearKeySession.cpp b/media/gmp-clearkey/0.1/ClearKeySession.cpp
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+++ b/media/gmp-clearkey/0.1/ClearKeySession.cpp
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+/*
+ * Copyright 2015, Mozilla Foundation and contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include "BigEndian.h"
+#include "ClearKeyDecryptionManager.h"
+#include "ClearKeySession.h"
+#include "ClearKeyStorage.h"
+#include "ClearKeyUtils.h"
+#include "psshparser/PsshParser.h"
+
+using namespace mozilla;
+using namespace cdm;
+
+ClearKeySession::ClearKeySession(const std::string& aSessionId,
+ SessionType aSessionType)
+ : mSessionId(aSessionId), mSessionType(aSessionType) {
+ CK_LOGD("ClearKeySession ctor %p", this);
+}
+
+ClearKeySession::~ClearKeySession() {
+ CK_LOGD("ClearKeySession dtor %p", this);
+}
+
+bool ClearKeySession::Init(InitDataType aInitDataType, const uint8_t* aInitData,
+ uint32_t aInitDataSize) {
+ CK_LOGD("ClearKeySession::Init");
+
+ if (aInitDataType == InitDataType::kCenc) {
+ ParseCENCInitData(aInitData, aInitDataSize, mKeyIds);
+ } else if (aInitDataType == InitDataType::kKeyIds) {
+ ClearKeyUtils::ParseKeyIdsInitData(aInitData, aInitDataSize, mKeyIds);
+ } else if (aInitDataType == InitDataType::kWebM &&
+ aInitDataSize <= kMaxWebmInitDataSize) {
+ // "webm" initData format is simply the raw bytes of the keyId.
+ std::vector<uint8_t> keyId;
+ keyId.assign(aInitData, aInitData + aInitDataSize);
+ mKeyIds.push_back(keyId);
+ }
+
+ if (mKeyIds.empty()) {
+ return false;
+ }
+
+ return true;
+}
+
+SessionType ClearKeySession::Type() const { return mSessionType; }
+
+void ClearKeySession::AddKeyId(const KeyId& aKeyId) {
+ mKeyIds.push_back(aKeyId);
+}