mirror of
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139 lines
3.5 KiB
C++
139 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "CameraPreviewMediaStream.h"
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using namespace mozilla::layers;
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using namespace mozilla::dom;
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namespace mozilla {
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CameraPreviewMediaStream::CameraPreviewMediaStream(DOMMediaStream* aWrapper)
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: MediaStream(aWrapper)
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, mMutex("mozilla::camera::CameraPreviewMediaStream")
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, mFrameCallback(nullptr)
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{
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SetGraphImpl(MediaStreamGraph::GetInstance());
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mIsConsumed = false;
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}
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void
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CameraPreviewMediaStream::AddAudioOutput(void* aKey)
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{
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}
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void
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CameraPreviewMediaStream::SetAudioOutputVolume(void* aKey, float aVolume)
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{
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}
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void
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CameraPreviewMediaStream::RemoveAudioOutput(void* aKey)
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{
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}
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void
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CameraPreviewMediaStream::AddVideoOutput(VideoFrameContainer* aContainer)
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{
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MutexAutoLock lock(mMutex);
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nsRefPtr<VideoFrameContainer> container = aContainer;
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AddVideoOutputImpl(container.forget());
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if (mVideoOutputs.Length() > 1) {
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return;
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}
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MediaStreamGraph* gm = MediaStreamGraph::GetInstance();
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mIsConsumed = true;
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for (uint32_t j = 0; j < mListeners.Length(); ++j) {
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MediaStreamListener* l = mListeners[j];
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l->NotifyConsumptionChanged(gm, MediaStreamListener::CONSUMED);
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}
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}
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void
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CameraPreviewMediaStream::RemoveVideoOutput(VideoFrameContainer* aContainer)
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{
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MutexAutoLock lock(mMutex);
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RemoveVideoOutputImpl(aContainer);
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if (!mVideoOutputs.IsEmpty()) {
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return;
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}
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MediaStreamGraph* gm = MediaStreamGraph::GetInstance();
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mIsConsumed = false;
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for (uint32_t j = 0; j < mListeners.Length(); ++j) {
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MediaStreamListener* l = mListeners[j];
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l->NotifyConsumptionChanged(gm, MediaStreamListener::NOT_CONSUMED);
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}
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}
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void
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CameraPreviewMediaStream::ChangeExplicitBlockerCount(int32_t aDelta)
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{
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}
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void
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CameraPreviewMediaStream::AddListener(MediaStreamListener* aListener)
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{
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MutexAutoLock lock(mMutex);
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MediaStreamGraph* gm = MediaStreamGraph::GetInstance();
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MediaStreamListener* listener = *mListeners.AppendElement() = aListener;
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listener->NotifyBlockingChanged(gm, MediaStreamListener::UNBLOCKED);
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}
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void
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CameraPreviewMediaStream::RemoveListener(MediaStreamListener* aListener)
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{
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MutexAutoLock lock(mMutex);
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MediaStreamGraph* gm = MediaStreamGraph::GetInstance();
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nsRefPtr<MediaStreamListener> listener(aListener);
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mListeners.RemoveElement(aListener);
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listener->NotifyRemoved(gm);
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}
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void
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CameraPreviewMediaStream::Destroy()
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{
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MutexAutoLock lock(mMutex);
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DestroyImpl();
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}
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void
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CameraPreviewMediaStream::SetCurrentFrame(const gfxIntSize& aIntrinsicSize, Image* aImage)
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{
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MutexAutoLock lock(mMutex);
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TimeStamp now = TimeStamp::Now();
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for (uint32_t i = 0; i < mVideoOutputs.Length(); ++i) {
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VideoFrameContainer* output = mVideoOutputs[i];
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output->SetCurrentFrame(aIntrinsicSize, aImage, now);
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nsCOMPtr<nsIRunnable> event =
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NS_NewRunnableMethod(output, &VideoFrameContainer::Invalidate);
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NS_DispatchToMainThread(event, NS_DISPATCH_NORMAL);
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}
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if (mFrameCallback) {
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mFrameCallback->OnNewFrame(aIntrinsicSize, aImage);
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}
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}
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void
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CameraPreviewMediaStream::ClearCurrentFrame()
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{
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MutexAutoLock lock(mMutex);
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for (uint32_t i = 0; i < mVideoOutputs.Length(); ++i) {
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VideoFrameContainer* output = mVideoOutputs[i];
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output->ClearCurrentFrame();
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nsCOMPtr<nsIRunnable> event =
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NS_NewRunnableMethod(output, &VideoFrameContainer::Invalidate);
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NS_DispatchToMainThread(event, NS_DISPATCH_NORMAL);
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}
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}
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}
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