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Side by Side Diff: chrome/renderer/gpu_video_service_host.h

Issue 6713005: Move a bunch of gpu/worker/plugin renderer code to content. I temporarily disabled the sad plugi... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 9 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef CHROME_RENDERER_GPU_VIDEO_SERVICE_HOST_H_
6 #define CHROME_RENDERER_GPU_VIDEO_SERVICE_HOST_H_
7
8 #include "base/singleton.h"
9 #include "chrome/renderer/gpu_channel_host.h"
10 #include "chrome/renderer/gpu_video_decoder_host.h"
11 #include "ipc/ipc_channel.h"
12 #include "media/base/buffers.h"
13 #include "media/base/video_frame.h"
14
15 // GpuVideoServiceHost lives on IO thread and is used to dispatch IPC messages
16 // to GpuVideoDecoderHost objects.
17 class GpuVideoServiceHost : public IPC::ChannelProxy::MessageFilter {
18 public:
19 GpuVideoServiceHost();
20
21 // IPC::ChannelProxy::MessageFilter implementations.
22 virtual bool OnMessageReceived(const IPC::Message& message);
23 virtual void OnFilterAdded(IPC::Channel* channel);
24 virtual void OnFilterRemoved();
25 virtual void OnChannelClosing();
26
27 // Called on RenderThread to create a hardware accelerated video decoder
28 // in the GPU process.
29 //
30 // A routing ID for the GLES2 context needs to be provided when creating a
31 // hardware video decoder. This is important because the resources used by
32 // the video decoder needs to be shared with the GLES2 context corresponding
33 // to the RenderView.
34 //
35 // This means that a GPU video decoder is tied to a specific RenderView and
36 // its GLES2 context in the GPU process.
37 //
38 // Returns a GpuVideoDecoderHost as a handle to control the video decoder.
39 GpuVideoDecoderHost* CreateVideoDecoder(int context_route_id);
40
41 private:
42 IPC::Channel* channel_;
43
44 // Router to send messages to a GpuVideoDecoderHost.
45 MessageRouter router_;
46
47 // ID for the next GpuVideoDecoderHost.
48 int32 next_decoder_host_id_;
49
50 DISALLOW_COPY_AND_ASSIGN(GpuVideoServiceHost);
51 };
52
53 #endif // CHROME_RENDERER_GPU_VIDEO_SERVICE_HOST_H_
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