MJPEG acceleration for video capture using VAAPI, the GPU and IPC part

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 25 matching lines @@
 namespace base {
 class MessageLoop;
 class WaitableEvent;
 }
 
 namespace IPC {
 class SyncMessageFilter;
 }
 
 namespace media {
+class JpegDecodeAccelerator;
 class VideoDecodeAccelerator;
 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::SingleThreadTaskRunner> task_runner;
 };
 
 struct ProxyFlushInfo {
@@ skipping 73 matching lines @@
       gfx::GpuPreference gpu_preference);
 
   // Creates a video decoder in the GPU process.
   scoped_ptr<media::VideoDecodeAccelerator> CreateVideoDecoder(
       int command_buffer_route_id);
 
   // Creates a video encoder in the GPU process.
   scoped_ptr<media::VideoEncodeAccelerator> CreateVideoEncoder(
       int command_buffer_route_id);
 
+  // Creates a JPEG decoder in the GPU process.
+  scoped_ptr<media::JpegDecodeAccelerator> CreateJpegDecoder();
+
   // Destroy a command buffer created by this channel.
   void DestroyCommandBuffer(CommandBufferProxyImpl* command_buffer);
 
   // Destroy this channel. Must be called on the main thread, before
   // destruction.
   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);
@@ skipping 109 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_