1 files changed, 68 insertions, 0 deletions
diff --git a/media/gmp-clearkey/0.1/BigEndian.h b/media/gmp-clearkey/0.1/BigEndian.h
new file mode 100644
index 000000000..853cd4a02
--- /dev/null
+++ b/media/gmp-clearkey/0.1/BigEndian.h
@@ -0,0 +1,68 @@
+/*
+ * 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.
+ */
+
+#ifndef __BigEndian_h__
+#define __BigEndian_h__
+
+#include <stdint.h>
+
+namespace mozilla {
+
+class BigEndian {
+public:
+
+  static uint32_t readUint32(const void* aPtr) {
+    const uint8_t* p = reinterpret_cast<const uint8_t*>(aPtr);
+    return uint32_t(p[0]) << 24 |
+           uint32_t(p[1]) << 16 |
+           uint32_t(p[2]) << 8 |
+           uint32_t(p[3]);
+  }
+
+  static uint16_t readUint16(const void* aPtr) {
+    const uint8_t* p = reinterpret_cast<const uint8_t*>(aPtr);
+    return uint32_t(p[0]) << 8 |
+           uint32_t(p[1]);
+  }
+
+  static uint64_t readUint64(const void* aPtr) {
+    const uint8_t* p = reinterpret_cast<const uint8_t*>(aPtr);
+    return uint64_t(p[0]) << 56 |
+           uint64_t(p[1]) << 48 |
+           uint64_t(p[2]) << 40 |
+           uint64_t(p[3]) << 32 |
+           uint64_t(p[4]) << 24 |
+           uint64_t(p[5]) << 16 |
+           uint64_t(p[6]) << 8 |
+           uint64_t(p[7]);
+  }
+
+  static void writeUint64(void* aPtr, uint64_t aValue) {
+    uint8_t* p = reinterpret_cast<uint8_t*>(aPtr);
+    p[0] = uint8_t(aValue >> 56) & 0xff;
+    p[1] = uint8_t(aValue >> 48) & 0xff;
+    p[2] = uint8_t(aValue >> 40) & 0xff;
+    p[3] = uint8_t(aValue >> 32) & 0xff;
+    p[4] = uint8_t(aValue >> 24) & 0xff;
+    p[5] = uint8_t(aValue >> 16) & 0xff;
+    p[6] = uint8_t(aValue >> 8) & 0xff;
+    p[7] = uint8_t(aValue) & 0xff;
+  }
+};
+
+} // namespace mozilla
+
+#endif // __BigEndian_h__