Sample code: IPC Transport object for GPU

content/common/gpu/client/ipc/gpu_video_decode_accelerator_host_ipc_transport.h

Index: content/common/gpu/client/ipc/gpu_video_decode_accelerator_host_ipc_transport.h
diff --git a/content/common/gpu/client/ipc/gpu_video_decode_accelerator_host_ipc_transport.h b/content/common/gpu/client/ipc/gpu_video_decode_accelerator_host_ipc_transport.h
new file mode 100644
index 0000000000000000000000000000000000000000..f4e1bd23498eb8aab3af54c58cdb3bc1eae62c24
--- /dev/null
+++ b/content/common/gpu/client/ipc/gpu_video_decode_accelerator_host_ipc_transport.h
@@ -0,0 +1,66 @@
+// 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_CLIENT_GPU_VIDEO_DECODE_ACCELERATOR_HOST_IPC_TRANSPORT_H_
+#define CONTENT_COMMON_GPU_CLIENT_GPU_VIDEO_DECODE_ACCELERATOR_HOST_IPC_TRANSPORT_H_
+
+#include <stdint.h>
+
+#include <vector>
+
+namespace gfx {
+class Rect;
+class Size;
+}
+
+namespace content {
+
+struct VideoDecodeParams;
+
+class GpuVideoDecodeAcceleratorHostIPCTransport {
+ public:
+  class Client {
+   public:
+    virtual void OnCdmAttached(bool success) = 0;
+    virtual void OnBitstreamBufferProcessed(int32_t bitstream_buffer_id) = 0;
+    virtual void OnProvidePictureBuffer(uint32_t num_requested_buffers,
+                                        const gfx::Size& dimensions,
+                                        uint32_t texture_target) = 0;
+    virtual void OnDismissPictureBuffer(int32_t picture_buffer_id) = 0;
+    virtual void OnPictureReady(int32_t picture_buffer_id,
+                                int32_t bitstream_buffer_id,
+                                const gfx::Rect& visible_rect,
+                                bool allow_overlay) = 0;
+    virtual void OnFlushDone() = 0;
+    virtual void OnResetDone() = 0;
+    virtual void OnNotifyError(uint32_t error) = 0;
+
+   protected:
+    virtual ~Client() {}
+  };
+
+  virtual ~GpuVideoDecodeAcceleratorHostIPCTransport() {}
+
+  virtual bool AssignPictureBuffers(
+      const std::vector<int32_t>& buffer_ids,
+      const std::vector<uint32_t>& texture_ids) = 0;
+
+  virtual bool Decode(const VideoDecodeParams& params) = 0;
+
+  virtual bool Destroy() = 0;
+
+  virtual bool Flush() = 0;
+
+  virtual bool Reset() = 0;
+
+  virtual bool ReusePictureBuffer(int32_t picture_buffer_id) = 0;
+
+  virtual bool SetCdm(int cdm_id) = 0;
+
+  virtual void SetClient(Client* client) = 0;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_CLIENT_GPU_VIDEO_DECODE_ACCELERATOR_HOST_IPC_TRANSPORT_H_