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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "remoting/client/jni/jni_frame_consumer.h" | 5 #include "remoting/client/jni/jni_frame_consumer.h" |
| 6 | 6 |
| 7 #include "base/android/jni_android.h" | 7 #include "base/android/jni_android.h" |
| 8 #include "base/logging.h" | 8 #include "base/logging.h" |
| 9 #include "base/synchronization/waitable_event.h" | 9 #include "base/synchronization/waitable_event.h" |
| 10 #include "remoting/client/frame_producer.h" | 10 #include "remoting/client/frame_producer.h" |
| 11 #include "remoting/client/jni/chromoting_jni_runtime.h" | 11 #include "remoting/client/jni/chromoting_jni_runtime.h" |
| 12 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h" | 12 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h" |
| 13 #include "third_party/webrtc/modules/desktop_capture/desktop_region.h" |
| 13 | 14 |
| 14 namespace { | 15 namespace { |
| 15 | 16 |
| 16 // Allocates its buffer within a Java direct byte buffer, where it can be | 17 // Allocates its buffer within a Java direct byte buffer, where it can be |
| 17 // accessed by both native and managed code. | 18 // accessed by both native and managed code. |
| 18 class DirectDesktopFrame : public webrtc::BasicDesktopFrame { | 19 class DirectDesktopFrame : public webrtc::BasicDesktopFrame { |
| 19 public: | 20 public: |
| 20 DirectDesktopFrame(int width, int height); | 21 DirectDesktopFrame(int width, int height); |
| 21 | 22 |
| 22 virtual ~DirectDesktopFrame(); | 23 virtual ~DirectDesktopFrame(); |
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| 55 base::WaitableEvent done_event(true, false); | 56 base::WaitableEvent done_event(true, false); |
| 56 frame_producer_->RequestReturnBuffers( | 57 frame_producer_->RequestReturnBuffers( |
| 57 base::Bind(&base::WaitableEvent::Signal, base::Unretained(&done_event))); | 58 base::Bind(&base::WaitableEvent::Signal, base::Unretained(&done_event))); |
| 58 done_event.Wait(); | 59 done_event.Wait(); |
| 59 } | 60 } |
| 60 | 61 |
| 61 void JniFrameConsumer::set_frame_producer(FrameProducer* producer) { | 62 void JniFrameConsumer::set_frame_producer(FrameProducer* producer) { |
| 62 frame_producer_ = producer; | 63 frame_producer_ = producer; |
| 63 } | 64 } |
| 64 | 65 |
| 65 void JniFrameConsumer::ApplyBuffer(const SkISize& view_size, | 66 void JniFrameConsumer::ApplyBuffer(const webrtc::DesktopSize& view_size, |
| 66 const SkIRect& clip_area, | 67 const webrtc::DesktopRect& clip_area, |
| 67 webrtc::DesktopFrame* buffer, | 68 webrtc::DesktopFrame* buffer, |
| 68 const SkRegion& region) { | 69 const webrtc::DesktopRegion& region) { |
| 69 DCHECK(jni_runtime_->display_task_runner()->BelongsToCurrentThread()); | 70 DCHECK(jni_runtime_->display_task_runner()->BelongsToCurrentThread()); |
| 70 | 71 |
| 71 scoped_ptr<webrtc::DesktopFrame> buffer_scoped(buffer); | 72 scoped_ptr<webrtc::DesktopFrame> buffer_scoped(buffer); |
| 72 jni_runtime_->RedrawCanvas(); | 73 jni_runtime_->RedrawCanvas(); |
| 73 | 74 |
| 74 if (view_size.width() > view_size_.width() || | 75 if (view_size.width() > view_size_.width() || |
| 75 view_size.height() > view_size_.height()) { | 76 view_size.height() > view_size_.height()) { |
| 76 LOG(INFO) << "Existing buffer is too small"; | 77 LOG(INFO) << "Existing buffer is too small"; |
| 77 view_size_ = view_size; | 78 view_size_ = view_size; |
| 78 | 79 |
| 79 // Manually destroy the old buffer before allocating a new one to prevent | 80 // Manually destroy the old buffer before allocating a new one to prevent |
| 80 // our memory footprint from temporarily ballooning. | 81 // our memory footprint from temporarily ballooning. |
| 81 buffer_scoped.reset(); | 82 buffer_scoped.reset(); |
| 82 AllocateBuffer(); | 83 AllocateBuffer(); |
| 83 } | 84 } |
| 84 | 85 |
| 85 // Supply |frame_producer_| with a buffer to render the next frame into. | 86 // Supply |frame_producer_| with a buffer to render the next frame into. |
| 86 if (!in_dtor_) | 87 if (!in_dtor_) |
| 87 frame_producer_->DrawBuffer(buffer_scoped.release()); | 88 frame_producer_->DrawBuffer(buffer_scoped.release()); |
| 88 } | 89 } |
| 89 | 90 |
| 90 void JniFrameConsumer::ReturnBuffer(webrtc::DesktopFrame* buffer) { | 91 void JniFrameConsumer::ReturnBuffer(webrtc::DesktopFrame* buffer) { |
| 91 DCHECK(jni_runtime_->display_task_runner()->BelongsToCurrentThread()); | 92 DCHECK(jni_runtime_->display_task_runner()->BelongsToCurrentThread()); |
| 92 LOG(INFO) << "Returning image buffer"; | 93 LOG(INFO) << "Returning image buffer"; |
| 93 delete buffer; | 94 delete buffer; |
| 94 } | 95 } |
| 95 | 96 |
| 96 void JniFrameConsumer::SetSourceSize(const SkISize& source_size, | 97 void JniFrameConsumer::SetSourceSize(const webrtc::DesktopSize& source_size, |
| 97 const SkIPoint& dpi) { | 98 const webrtc::DesktopVector& dpi) { |
| 98 DCHECK(jni_runtime_->display_task_runner()->BelongsToCurrentThread()); | 99 DCHECK(jni_runtime_->display_task_runner()->BelongsToCurrentThread()); |
| 99 | 100 |
| 100 // We currently render the desktop 1:1 and perform pan/zoom scaling | 101 // We currently render the desktop 1:1 and perform pan/zoom scaling |
| 101 // and cropping on the managed canvas. | 102 // and cropping on the managed canvas. |
| 102 view_size_ = source_size; | 103 view_size_ = source_size; |
| 103 clip_area_ = SkIRect::MakeSize(view_size_); | 104 clip_area_ = webrtc::DesktopRect::MakeSize(view_size_); |
| 104 frame_producer_->SetOutputSizeAndClip(view_size_, clip_area_); | 105 frame_producer_->SetOutputSizeAndClip(view_size_, clip_area_); |
| 105 | 106 |
| 106 // Unless being destructed, allocate buffer and start drawing frames onto it. | 107 // Unless being destructed, allocate buffer and start drawing frames onto it. |
| 107 frame_producer_->RequestReturnBuffers(base::Bind( | 108 frame_producer_->RequestReturnBuffers(base::Bind( |
| 108 &JniFrameConsumer::AllocateBuffer, base::Unretained(this))); | 109 &JniFrameConsumer::AllocateBuffer, base::Unretained(this))); |
| 109 } | 110 } |
| 110 | 111 |
| 111 void JniFrameConsumer::AllocateBuffer() { | 112 void JniFrameConsumer::AllocateBuffer() { |
| 112 // Only do anything if we're not being destructed. | 113 // Only do anything if we're not being destructed. |
| 113 if (!in_dtor_) { | 114 if (!in_dtor_) { |
| 114 if (!jni_runtime_->display_task_runner()->BelongsToCurrentThread()) { | 115 if (!jni_runtime_->display_task_runner()->BelongsToCurrentThread()) { |
| 115 jni_runtime_->display_task_runner()->PostTask(FROM_HERE, | 116 jni_runtime_->display_task_runner()->PostTask(FROM_HERE, |
| 116 base::Bind(&JniFrameConsumer::AllocateBuffer, | 117 base::Bind(&JniFrameConsumer::AllocateBuffer, |
| 117 base::Unretained(this))); | 118 base::Unretained(this))); |
| 118 return; | 119 return; |
| 119 } | 120 } |
| 120 | 121 |
| 121 DirectDesktopFrame* buffer = new DirectDesktopFrame(view_size_.width(), | 122 DirectDesktopFrame* buffer = new DirectDesktopFrame(view_size_.width(), |
| 122 view_size_.height()); | 123 view_size_.height()); |
| 123 | 124 |
| 124 // Update Java's reference to the buffer and record of its dimensions. | 125 // Update Java's reference to the buffer and record of its dimensions. |
| 125 jni_runtime_->UpdateImageBuffer(view_size_.width(), | 126 jni_runtime_->UpdateImageBuffer(view_size_.width(), |
| 126 view_size_.height(), | 127 view_size_.height(), |
| 127 buffer->buffer()); | 128 buffer->buffer()); |
| 128 | 129 |
| 129 frame_producer_->DrawBuffer(buffer); | 130 frame_producer_->DrawBuffer(buffer); |
| 130 } | 131 } |
| 131 } | 132 } |
| 132 | 133 |
| 133 } // namespace remoting | 134 } // namespace remoting |
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