MJPEG acceleration for video capture using VAAPI

content/common/gpu/client/gpu_channel_host.h

Index: content/common/gpu/client/gpu_channel_host.h
diff --git a/content/common/gpu/client/gpu_channel_host.h b/content/common/gpu/client/gpu_channel_host.h
index fbff47b5b9c2f6a58d74fbd8628703bd55742019..6d38b5d83c8358899ebb52895a5b87214d9ef2c8 100644
--- a/content/common/gpu/client/gpu_channel_host.h
+++ b/content/common/gpu/client/gpu_channel_host.h
@@ -44,6 +44,7 @@ class SyncMessageFilter;
 }
 
 namespace media {
+class JpegDecodeAccelerator;
 class VideoDecodeAccelerator;
 class VideoEncodeAccelerator;
 }
@@ -55,6 +56,7 @@ class GpuMemoryBufferManager;
 namespace content {
 class CommandBufferProxyImpl;
 class GpuChannelHost;
+class GpuJpegDecodeAcceleratorHost;
 
 struct GpuListenerInfo {
   GpuListenerInfo();
@@ -148,6 +150,9 @@ class GpuChannelHost : public IPC::Sender,
   scoped_ptr<media::VideoEncodeAccelerator> CreateVideoEncoder(
       int command_buffer_route_id);
 

[wuchengli, 2015/05/06 07:59:18]

// Creates a JPEG decoder in the GPU process.
Also explain what |reply_loop| is.

[kcwu, 2015/05/08 14:42:42]

Acknowledged.
Revised to use jpeg thread and no reply_loop.

+  scoped_ptr<media::JpegDecodeAccelerator> CreateJpegDecoder(
+      scoped_refptr<base::MessageLoopProxy> reply_loop);
+
   // Destroy a command buffer created by this channel.
   void DestroyCommandBuffer(CommandBufferProxyImpl* command_buffer);