MJPEG acceleration for video capture using VAAPI

content/common/gpu/client/gpu_channel_host.h

 // Copyright (c) 2012 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_CHANNEL_HOST_H_
 #define CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 37 matching lines @@
 class VideoEncodeAccelerator;
 }
 
 namespace gpu {
 class GpuMemoryBufferManager;
 }
 
 namespace content {
 class CommandBufferProxyImpl;
 class GpuChannelHost;
+class GpuJpegDecodeAcceleratorHost;
 
 struct GpuListenerInfo {
   GpuListenerInfo();
   ~GpuListenerInfo();
 
   base::WeakPtr<IPC::Listener> listener;
   scoped_refptr<base::MessageLoopProxy> loop;
 };
 
 struct ProxyFlushInfo {
@@ skipping 83 matching lines @@
   // Destroy a command buffer created by this channel.
   void DestroyCommandBuffer(CommandBufferProxyImpl* command_buffer);
 
   // Destroy this channel.
   void DestroyChannel();
 
   // Add a route for the current message loop.
   void AddRoute(int route_id, base::WeakPtr<IPC::Listener> listener);
   void RemoveRoute(int route_id);
 
+  GpuJpegDecodeAcceleratorHost* CreateJpegDecoder();

[wuchengli, 2015/03/23 06:30:14]

Return scoped_ptr<media::JpegDecodeAccelerator> to be consistent with
CreateVideoDecoder and CreateVideoEncoder. Move this after CreateVideoEncoder.

[kcwu, 2015/04/14 20:02:34]

Done.

+
   GpuChannelHostFactory* factory() const { return factory_; }
 
   gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager() const {
     return gpu_memory_buffer_manager_;
   }
 
   // Returns a handle to the shared memory that can be sent via IPC to the
   // GPU process. The caller is responsible for ensuring it is closed. Returns
   // an invalid handle on failure.
   base::SharedMemoryHandle ShareToGpuProcess(
@@ skipping 98 matching lines @@
   typedef base::hash_map<int, CommandBufferProxyImpl*> ProxyMap;
   ProxyMap proxies_;
   ProxyFlushInfo flush_info_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_CLIENT_GPU_CHANNEL_HOST_H_