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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // Notes about usage of this object by VideoCaptureImplManager. | 5 // Notes about usage of this object by VideoCaptureImplManager. |
6 // | 6 // |
7 // VideoCaptureImplManager access this object by using a Unretained() | 7 // VideoCaptureImplManager access this object by using a Unretained() |
8 // binding and tasks on the IO thread. It is then important that | 8 // binding and tasks on the IO thread. It is then important that |
9 // VideoCaptureImpl never post task to itself. All operations must be | 9 // VideoCaptureImpl never post task to itself. All operations must be |
10 // synchronous. | 10 // synchronous. |
11 | 11 |
12 #include "content/renderer/media/video_capture_impl.h" | 12 #include "content/renderer/media/video_capture_impl.h" |
13 | 13 |
14 #include <stddef.h> | 14 #include <stddef.h> |
15 #include <utility> | 15 #include <utility> |
16 | 16 |
17 #include "base/bind.h" | 17 #include "base/bind.h" |
18 #include "base/macros.h" | 18 #include "base/macros.h" |
19 #include "base/stl_util.h" | 19 #include "base/stl_util.h" |
20 #include "base/trace_event/trace_event.h" | 20 #include "base/trace_event/trace_event.h" |
21 #include "content/child/child_process.h" | 21 #include "content/child/child_process.h" |
22 #include "content/public/child/child_thread.h" | 22 #include "content/public/child/child_thread.h" |
| 23 #include "content/public/common/service_names.mojom.h" |
23 #include "media/base/bind_to_current_loop.h" | 24 #include "media/base/bind_to_current_loop.h" |
24 #include "media/base/limits.h" | 25 #include "media/base/limits.h" |
25 #include "media/base/video_frame.h" | 26 #include "media/base/video_frame.h" |
26 #include "mojo/public/cpp/system/platform_handle.h" | 27 #include "mojo/public/cpp/system/platform_handle.h" |
27 #include "services/service_manager/public/cpp/interface_provider.h" | 28 #include "services/service_manager/public/cpp/connector.h" |
28 | 29 |
29 namespace content { | 30 namespace content { |
30 | 31 |
31 // A holder of a memory-backed buffer and accessors to it. | 32 // A holder of a memory-backed buffer and accessors to it. |
32 class VideoCaptureImpl::ClientBuffer | 33 class VideoCaptureImpl::ClientBuffer |
33 : public base::RefCountedThreadSafe<ClientBuffer> { | 34 : public base::RefCountedThreadSafe<ClientBuffer> { |
34 public: | 35 public: |
35 ClientBuffer(std::unique_ptr<base::SharedMemory> buffer, size_t buffer_size) | 36 ClientBuffer(std::unique_ptr<base::SharedMemory> buffer, size_t buffer_size) |
36 : buffer_(std::move(buffer)), buffer_size_(buffer_size) {} | 37 : buffer_(std::move(buffer)), buffer_size_(buffer_size) {} |
37 | 38 |
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68 : device_id_(session_id), | 69 : device_id_(session_id), |
69 session_id_(session_id), | 70 session_id_(session_id), |
70 video_capture_host_for_testing_(nullptr), | 71 video_capture_host_for_testing_(nullptr), |
71 observer_binding_(this), | 72 observer_binding_(this), |
72 state_(VIDEO_CAPTURE_STATE_STOPPED), | 73 state_(VIDEO_CAPTURE_STATE_STOPPED), |
73 weak_factory_(this) { | 74 weak_factory_(this) { |
74 io_thread_checker_.DetachFromThread(); | 75 io_thread_checker_.DetachFromThread(); |
75 | 76 |
76 if (ChildThread::Get()) { // This will be null in unit tests. | 77 if (ChildThread::Get()) { // This will be null in unit tests. |
77 mojom::VideoCaptureHostPtr temp_video_capture_host; | 78 mojom::VideoCaptureHostPtr temp_video_capture_host; |
78 ChildThread::Get()->GetRemoteInterfaces()->GetInterface( | 79 ChildThread::Get()->GetConnector()->BindInterface( |
| 80 mojom::kBrowserServiceName, |
79 mojo::MakeRequest(&temp_video_capture_host)); | 81 mojo::MakeRequest(&temp_video_capture_host)); |
80 video_capture_host_info_ = temp_video_capture_host.PassInterface(); | 82 video_capture_host_info_ = temp_video_capture_host.PassInterface(); |
81 } | 83 } |
82 } | 84 } |
83 | 85 |
84 VideoCaptureImpl::~VideoCaptureImpl() { | 86 VideoCaptureImpl::~VideoCaptureImpl() { |
85 DCHECK(io_thread_checker_.CalledOnValidThread()); | 87 DCHECK(io_thread_checker_.CalledOnValidThread()); |
86 if ((state_ == VIDEO_CAPTURE_STATE_STARTING || | 88 if ((state_ == VIDEO_CAPTURE_STATE_STARTING || |
87 state_ == VIDEO_CAPTURE_STATE_STARTED) && | 89 state_ == VIDEO_CAPTURE_STATE_STARTED) && |
88 GetVideoCaptureHost()) | 90 GetVideoCaptureHost()) |
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437 // destructor. |metadata| is still valid for read-access at this point. | 439 // destructor. |metadata| is still valid for read-access at this point. |
438 double consumer_resource_utilization = -1.0; | 440 double consumer_resource_utilization = -1.0; |
439 if (!metadata->GetDouble(media::VideoFrameMetadata::RESOURCE_UTILIZATION, | 441 if (!metadata->GetDouble(media::VideoFrameMetadata::RESOURCE_UTILIZATION, |
440 &consumer_resource_utilization)) { | 442 &consumer_resource_utilization)) { |
441 consumer_resource_utilization = -1.0; | 443 consumer_resource_utilization = -1.0; |
442 } | 444 } |
443 callback_to_io_thread.Run(consumer_resource_utilization); | 445 callback_to_io_thread.Run(consumer_resource_utilization); |
444 } | 446 } |
445 | 447 |
446 } // namespace content | 448 } // namespace content |
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