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comparison: dom/camera/CameraPreviewMediaStream.cpp
dom/camera/CameraPreviewMediaStream.cpp
- changeset 0
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| -1:000000000000 | 0:925e6953223e |
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| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 4 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "CameraPreviewMediaStream.h" | |
| 7 | |
| 8 using namespace mozilla::layers; | |
| 9 using namespace mozilla::dom; | |
| 10 | |
| 11 namespace mozilla { | |
| 12 | |
| 13 CameraPreviewMediaStream::CameraPreviewMediaStream(DOMMediaStream* aWrapper) | |
| 14 : MediaStream(aWrapper) | |
| 15 , mMutex("mozilla::camera::CameraPreviewMediaStream") | |
| 16 , mFrameCallback(nullptr) | |
| 17 { | |
| 18 SetGraphImpl(MediaStreamGraph::GetInstance()); | |
| 19 mIsConsumed = false; | |
| 20 } | |
| 21 | |
| 22 void | |
| 23 CameraPreviewMediaStream::AddAudioOutput(void* aKey) | |
| 24 { | |
| 25 } | |
| 26 | |
| 27 void | |
| 28 CameraPreviewMediaStream::SetAudioOutputVolume(void* aKey, float aVolume) | |
| 29 { | |
| 30 } | |
| 31 | |
| 32 void | |
| 33 CameraPreviewMediaStream::RemoveAudioOutput(void* aKey) | |
| 34 { | |
| 35 } | |
| 36 | |
| 37 void | |
| 38 CameraPreviewMediaStream::AddVideoOutput(VideoFrameContainer* aContainer) | |
| 39 { | |
| 40 MutexAutoLock lock(mMutex); | |
| 41 nsRefPtr<VideoFrameContainer> container = aContainer; | |
| 42 AddVideoOutputImpl(container.forget()); | |
| 43 | |
| 44 if (mVideoOutputs.Length() > 1) { | |
| 45 return; | |
| 46 } | |
| 47 MediaStreamGraph* gm = MediaStreamGraph::GetInstance(); | |
| 48 mIsConsumed = true; | |
| 49 for (uint32_t j = 0; j < mListeners.Length(); ++j) { | |
| 50 MediaStreamListener* l = mListeners[j]; | |
| 51 l->NotifyConsumptionChanged(gm, MediaStreamListener::CONSUMED); | |
| 52 } | |
| 53 } | |
| 54 | |
| 55 void | |
| 56 CameraPreviewMediaStream::RemoveVideoOutput(VideoFrameContainer* aContainer) | |
| 57 { | |
| 58 MutexAutoLock lock(mMutex); | |
| 59 RemoveVideoOutputImpl(aContainer); | |
| 60 | |
| 61 if (!mVideoOutputs.IsEmpty()) { | |
| 62 return; | |
| 63 } | |
| 64 MediaStreamGraph* gm = MediaStreamGraph::GetInstance(); | |
| 65 mIsConsumed = false; | |
| 66 for (uint32_t j = 0; j < mListeners.Length(); ++j) { | |
| 67 MediaStreamListener* l = mListeners[j]; | |
| 68 l->NotifyConsumptionChanged(gm, MediaStreamListener::NOT_CONSUMED); | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 void | |
| 73 CameraPreviewMediaStream::ChangeExplicitBlockerCount(int32_t aDelta) | |
| 74 { | |
| 75 } | |
| 76 | |
| 77 void | |
| 78 CameraPreviewMediaStream::AddListener(MediaStreamListener* aListener) | |
| 79 { | |
| 80 MutexAutoLock lock(mMutex); | |
| 81 | |
| 82 MediaStreamGraph* gm = MediaStreamGraph::GetInstance(); | |
| 83 MediaStreamListener* listener = *mListeners.AppendElement() = aListener; | |
| 84 listener->NotifyBlockingChanged(gm, MediaStreamListener::UNBLOCKED); | |
| 85 } | |
| 86 | |
| 87 void | |
| 88 CameraPreviewMediaStream::RemoveListener(MediaStreamListener* aListener) | |
| 89 { | |
| 90 MutexAutoLock lock(mMutex); | |
| 91 | |
| 92 MediaStreamGraph* gm = MediaStreamGraph::GetInstance(); | |
| 93 nsRefPtr<MediaStreamListener> listener(aListener); | |
| 94 mListeners.RemoveElement(aListener); | |
| 95 listener->NotifyRemoved(gm); | |
| 96 } | |
| 97 | |
| 98 void | |
| 99 CameraPreviewMediaStream::Destroy() | |
| 100 { | |
| 101 MutexAutoLock lock(mMutex); | |
| 102 DestroyImpl(); | |
| 103 } | |
| 104 | |
| 105 void | |
| 106 CameraPreviewMediaStream::SetCurrentFrame(const gfxIntSize& aIntrinsicSize, Image* aImage) | |
| 107 { | |
| 108 MutexAutoLock lock(mMutex); | |
| 109 | |
| 110 TimeStamp now = TimeStamp::Now(); | |
| 111 for (uint32_t i = 0; i < mVideoOutputs.Length(); ++i) { | |
| 112 VideoFrameContainer* output = mVideoOutputs[i]; | |
| 113 output->SetCurrentFrame(aIntrinsicSize, aImage, now); | |
| 114 nsCOMPtr<nsIRunnable> event = | |
| 115 NS_NewRunnableMethod(output, &VideoFrameContainer::Invalidate); | |
| 116 NS_DispatchToMainThread(event, NS_DISPATCH_NORMAL); | |
| 117 } | |
| 118 | |
| 119 if (mFrameCallback) { | |
| 120 mFrameCallback->OnNewFrame(aIntrinsicSize, aImage); | |
| 121 } | |
| 122 } | |
| 123 | |
| 124 void | |
| 125 CameraPreviewMediaStream::ClearCurrentFrame() | |
| 126 { | |
| 127 MutexAutoLock lock(mMutex); | |
| 128 | |
| 129 for (uint32_t i = 0; i < mVideoOutputs.Length(); ++i) { | |
| 130 VideoFrameContainer* output = mVideoOutputs[i]; | |
| 131 output->ClearCurrentFrame(); | |
| 132 nsCOMPtr<nsIRunnable> event = | |
| 133 NS_NewRunnableMethod(output, &VideoFrameContainer::Invalidate); | |
| 134 NS_DispatchToMainThread(event, NS_DISPATCH_NORMAL); | |
| 135 } | |
| 136 } | |
| 137 | |
| 138 } |
