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-rw-r--r--dom/media/mp4/BufferStream.h45
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diff --git a/dom/media/mp4/BufferStream.h b/dom/media/mp4/BufferStream.h
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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef BUFFER_STREAM_H_
+#define BUFFER_STREAM_H_
+
+#include "ByteStream.h"
+#include "nsTArray.h"
+#include "MediaResource.h"
+
+namespace mozilla {
+class MediaByteBuffer;
+
+DDLoggedTypeDeclNameAndBase(BufferStream, ByteStream);
+
+class BufferStream : public ByteStream,
+ public mozilla::DecoderDoctorLifeLogger<BufferStream> {
+ public:
+ /* BufferStream does not take ownership of aData nor does it make a copy.
+ * Therefore BufferStream shouldn't get used after aData is destroyed.
+ */
+ BufferStream();
+ explicit BufferStream(mozilla::MediaByteBuffer* aBuffer);
+
+ virtual bool ReadAt(int64_t aOffset, void* aData, size_t aLength,
+ size_t* aBytesRead) override;
+ virtual bool CachedReadAt(int64_t aOffset, void* aData, size_t aLength,
+ size_t* aBytesRead) override;
+ virtual bool Length(int64_t* aLength) override;
+
+ virtual void DiscardBefore(int64_t aOffset) override;
+
+ bool AppendBytes(const uint8_t* aData, size_t aLength);
+
+ mozilla::MediaByteRange GetByteRange();
+
+ private:
+ ~BufferStream();
+ int64_t mStartOffset;
+ RefPtr<mozilla::MediaByteBuffer> mData;
+};
+} // namespace mozilla
+
+#endif