Define remote playback proto buffer

media/remoting/rpc/decoder_buffer_segment.h

Index: media/remoting/rpc/decoder_buffer_segment.h
diff --git a/media/remoting/rpc/decoder_buffer_segment.h b/media/remoting/rpc/decoder_buffer_segment.h
new file mode 100644
index 0000000000000000000000000000000000000000..4510e220844d49861883fbda43d2b67ab2ea7ea2
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+++ b/media/remoting/rpc/decoder_buffer_segment.h
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+// Copyright 2016 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.
+
+#ifndef MEDIA_REMOTING_RPC_DECODER_BUFFER_SEGMENT_H_
+#define MEDIA_REMOTING_RPC_DECODER_BUFFER_SEGMENT_H_
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "media/base/decoder_buffer.h"
+#include "media/remoting/remoting_rpc_message.pb.h"
+
+namespace media {
+namespace remoting {
+
+class DecoderBufferSegment
+    : public base::RefCountedThreadSafe<DecoderBufferSegment> {
+ public:
+  explicit DecoderBufferSegment(
+      const scoped_refptr<::media::DecoderBuffer>& decoder_buffer);
+
+  // Converts DecoderBufferSegment into byte array.
+  uint32_t ToBuffer(std::vector<uint8_t>* buffer);
+
+  // Converts byte array into DecoderBufferSegment.
+  static scoped_refptr<DecoderBufferSegment> FromBuffer(const uint8_t* data,
+                                                        uint32_t size);
+
+  scoped_refptr<::media::DecoderBuffer> decoder_buffer() {
+    return decoder_buffer_;
+  }
+
+ private:
+  friend class base::RefCountedThreadSafe<DecoderBufferSegment>;
+  ~DecoderBufferSegment();
+
+  scoped_refptr<::media::DecoderBuffer> decoder_buffer_;
+
+  DISALLOW_COPY_AND_ASSIGN(DecoderBufferSegment);
+};
+
+}  // namespace remoting
+}  // namespace media
+
+#endif  // MEDIA_REMOTING_RPC_DECODER_BUFFER_SEGMENT_H_