Sample code: IPC Transport object for GPU

content/common/gpu/video_decode_params.h

+// Copyright 2015 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 CONTENT_COMMON_GPU_VIDEO_DECODE_PARAMS_H_
+#define CONTENT_COMMON_GPU_VIDEO_DECODE_PARAMS_H_
+
+#include <stdint.h>
+
+#include <string>
+
+#include "base/memory/shared_memory_handle.h"
+#include "content/common/content_export.h"
+#include "media/base/decrypt_config.h"
+
+namespace content {
+
+struct CONTENT_EXPORT VideoDecodeParams {
+  VideoDecodeParams();
+  ~VideoDecodeParams();
+
+  int32_t bitstream_buffer_id;
+  base::SharedMemoryHandle buffer_handle;
+  uint32_t size;
+  base::TimeDelta presentation_timestamp;
+  std::string key_id;
+  std::string iv;
+  std::vector<media::SubsampleEntry> subsamples;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_VIDEO_DECODE_PARAMS_H_