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>
 
 #include "base/atomic_sequence_num.h"
 #include "base/containers/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process/process.h"
 #include "base/synchronization/lock.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/gpu_process_launch_causes.h"
 #include "content/common/gpu/gpu_result_codes.h"
 #include "content/common/message_router.h"
 #include "gpu/config/gpu_info.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_sync_channel.h"
 #include "ipc/message_filter.h"
+#include "media/video/jpeg_decode_accelerator.h"
 #include "ui/events/latency_info.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/gpu_memory_buffer.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gl/gpu_preference.h"
 
 class GURL;
 class TransportTextureService;
 struct GPUCreateCommandBufferConfig;
 
 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;
@@ skipping 84 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(
+      media::JpegDecodeAccelerator::Client* client);
+
   // 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_