// The text that should be displayed for this counter.
void
nsCounterUseNode::GetText(nsString& aResult)
{
aResult.Truncate();
AutoTArray<nsCounterNode*, 8> stack;
stack.AppendElement(static_cast<nsCounterNode*>(this));
if (mAllCounters && mScopeStart) {
for (nsCounterNode* n = mScopeStart; n->mScopePrev; n = n->mScopeStart) {
stack.AppendElement(n->mScopePrev);
}
}
WritingMode wm = mPseudoFrame ?
mPseudoFrame->GetWritingMode() : WritingMode();
for (uint32_t i = stack.Length() - 1;; --i) {
nsCounterNode* n = stack[i];
nsAutoString text;
bool isTextRTL;
mCounterStyle->GetCounterText(n->mValueAfter, wm, text, isTextRTL);
aResult.Append(text);
if (i == 0) {
break;
}
aResult.Append(mSeparator);
}
}
void
HTMLOptionsCollection::GetSupportedNames(nsTArray<nsString>& aNames)
{
AutoTArray<nsIAtom*, 8> atoms;
for (uint32_t i = 0; i < mElements.Length(); ++i) {
HTMLOptionElement* content = mElements.ElementAt(i);
if (content) {
// Note: HasName means the names is exposed on the document,
// which is false for options, so we don't check it here.
const nsAttrValue* val = content->GetParsedAttr(nsGkAtoms::name);
if (val && val->Type() == nsAttrValue::eAtom) {
nsIAtom* name = val->GetAtomValue();
if (!atoms.Contains(name)) {
atoms.AppendElement(name);
}
}
if (content->HasID()) {
nsIAtom* id = content->GetID();
if (!atoms.Contains(id)) {
atoms.AppendElement(id);
}
}
}
}
uint32_t atomsLen = atoms.Length();
nsString* names = aNames.AppendElements(atomsLen);
for (uint32_t i = 0; i < atomsLen; ++i) {
atoms[i]->ToString(names[i]);
}
}
/* static */ void
nsFontFaceUtils::MarkDirtyForFontChange(nsIFrame* aSubtreeRoot,
const gfxUserFontEntry* aFont)
{
AutoTArray<nsIFrame*, 4> subtrees;
subtrees.AppendElement(aSubtreeRoot);
nsIPresShell* ps = aSubtreeRoot->PresContext()->PresShell();
// check descendants, iterating over subtrees that may include
// additional subtrees associated with placeholders
do {
nsIFrame* subtreeRoot = subtrees.ElementAt(subtrees.Length() - 1);
subtrees.RemoveElementAt(subtrees.Length() - 1);
// Check all descendants to see if they use the font
AutoTArray<nsIFrame*, 32> stack;
stack.AppendElement(subtreeRoot);
do {
nsIFrame* f = stack.ElementAt(stack.Length() - 1);
stack.RemoveElementAt(stack.Length() - 1);
// if this frame uses the font, mark its descendants dirty
// and skip checking its children
if (FrameUsesFont(f, aFont)) {
ScheduleReflow(ps, f);
} else {
if (f->GetType() == nsGkAtoms::placeholderFrame) {
nsIFrame* oof = nsPlaceholderFrame::GetRealFrameForPlaceholder(f);
if (!nsLayoutUtils::IsProperAncestorFrame(subtreeRoot, oof)) {
// We have another distinct subtree we need to mark.
subtrees.AppendElement(oof);
}
}
nsIFrame::ChildListIterator lists(f);
for (; !lists.IsDone(); lists.Next()) {
nsFrameList::Enumerator childFrames(lists.CurrentList());
for (; !childFrames.AtEnd(); childFrames.Next()) {
nsIFrame* kid = childFrames.get();
stack.AppendElement(kid);
}
}
}
} while (!stack.IsEmpty());
} while (!subtrees.IsEmpty());
}
void
nsIGlobalObject::ForEachEventTargetObject(const std::function<void(DOMEventTargetHelper*, bool* aDoneOut)>& aFunc) const
{
// Protect against the function call triggering a mutation of the list
// while we are iterating by copying the DETH references to a temporary
// list.
AutoTArray<RefPtr<DOMEventTargetHelper>, 64> targetList;
for (const DOMEventTargetHelper* deth = mEventTargetObjects.getFirst();
deth; deth = deth->getNext()) {
targetList.AppendElement(const_cast<DOMEventTargetHelper*>(deth));
}
// Iterate the target list and call the function on each one.
bool done = false;
for (auto target : targetList) {
// Check to see if a previous iteration's callback triggered the removal
// of this target as a side-effect. If it did, then just ignore it.
if (target->GetOwnerGlobal() != this) {
continue;
}
aFunc(target, &done);
if (done) {
break;
}
}
}
bool
nsDOMTokenList::Toggle(const nsAString& aToken,
const Optional<bool>& aForce,
ErrorResult& aError)
{
aError = CheckToken(aToken);
if (aError.Failed()) {
return false;
}
const nsAttrValue* attr = GetParsedAttr();
const bool forceOn = aForce.WasPassed() && aForce.Value();
const bool forceOff = aForce.WasPassed() && !aForce.Value();
bool isPresent = attr && attr->Contains(aToken);
AutoTArray<nsString, 1> tokens;
(*tokens.AppendElement()).Rebind(aToken.Data(), aToken.Length());
if (isPresent) {
if (!forceOn) {
RemoveInternal(attr, tokens);
isPresent = false;
}
} else {
if (!forceOff) {
AddInternal(attr, tokens);
isPresent = true;
}
}
return isPresent;
}
void
nsDOMTokenList::Remove(const nsAString& aToken, mozilla::ErrorResult& aError)
{
AutoTArray<nsString, 1> tokens;
tokens.AppendElement(aToken);
Remove(tokens, aError);
}
void
nsDOMTokenList::Add(const nsAString& aToken, ErrorResult& aError)
{
AutoTArray<nsString, 1> tokens;
tokens.AppendElement(aToken);
Add(tokens, aError);
}
already_AddRefed<Layer>
ImageBitmapRenderingContext::GetCanvasLayer(nsDisplayListBuilder* aBuilder,
Layer* aOldLayer,
LayerManager* aManager)
{
if (!mImage) {
// No DidTransactionCallback will be received, so mark the context clean
// now so future invalidations will be dispatched.
MarkContextClean();
return nullptr;
}
RefPtr<ImageLayer> imageLayer;
if (aOldLayer) {
imageLayer = static_cast<ImageLayer*>(aOldLayer);
} else {
imageLayer = aManager->CreateImageLayer();
}
RefPtr<ImageContainer> imageContainer = imageLayer->GetContainer();
if (!imageContainer) {
imageContainer = aManager->CreateImageContainer();
imageLayer->SetContainer(imageContainer);
}
AutoTArray<ImageContainer::NonOwningImage, 1> imageList;
RefPtr<layers::Image> image = ClipToIntrinsicSize();
imageList.AppendElement(ImageContainer::NonOwningImage(image));
imageContainer->SetCurrentImages(imageList);
return imageLayer.forget();
}
void
ImageContainer::SetCurrentImageInTransaction(Image *aImage)
{
AutoTArray<NonOwningImage,1> images;
images.AppendElement(NonOwningImage(aImage));
SetCurrentImagesInTransaction(images);
}
void
ContentClientRemoteBuffer::Updated(const nsIntRegion& aRegionToDraw,
const nsIntRegion& aVisibleRegion,
bool aDidSelfCopy)
{
nsIntRegion updatedRegion = GetUpdatedRegion(aRegionToDraw,
aVisibleRegion,
aDidSelfCopy);
MOZ_ASSERT(mTextureClient);
if (mTextureClientOnWhite) {
mForwarder->UseComponentAlphaTextures(this, mTextureClient,
mTextureClientOnWhite);
} else {
AutoTArray<CompositableForwarder::TimedTextureClient,1> textures;
CompositableForwarder::TimedTextureClient* t = textures.AppendElement();
t->mTextureClient = mTextureClient;
IntSize size = mTextureClient->GetSize();
t->mPictureRect = nsIntRect(0, 0, size.width, size.height);
GetForwarder()->UseTextures(this, textures);
}
mForwarder->UpdateTextureRegion(this,
ThebesBufferData(BufferRect(),
BufferRotation()),
updatedRegion);
}
Reverb::Reverb(ThreadSharedFloatArrayBufferList* impulseResponse, size_t impulseResponseBufferLength, size_t maxFFTSize, bool useBackgroundThreads, bool normalize, float sampleRate)
{
float scale = 1;
AutoTArray<const float*,4> irChannels;
for (size_t i = 0; i < impulseResponse->GetChannels(); ++i) {
irChannels.AppendElement(impulseResponse->GetData(i));
}
AutoTArray<float,1024> tempBuf;
if (normalize) {
scale = calculateNormalizationScale(impulseResponse, impulseResponseBufferLength, sampleRate);
if (scale) {
tempBuf.SetLength(irChannels.Length()*impulseResponseBufferLength);
for (uint32_t i = 0; i < irChannels.Length(); ++i) {
float* buf = &tempBuf[i*impulseResponseBufferLength];
AudioBufferCopyWithScale(irChannels[i], scale, buf,
impulseResponseBufferLength);
irChannels[i] = buf;
}
}
}
initialize(irChannels, impulseResponseBufferLength,
maxFFTSize, useBackgroundThreads);
}
bool
MsgMapiListContext::DeleteMessage(nsMsgKey key)
{
if (!m_db)
return FALSE;
if ( !IsIMAPHost() )
{
return NS_SUCCEEDED((m_db->DeleteMessages(1, &key, nullptr)));
}
#if 0
else if ( m_folder->GetIMAPFolderInfoMail() )
{
AutoTArray<nsMsgKey, 1> messageKeys;
messageKeys.AppendElement(key);
(m_folder->GetIMAPFolderInfoMail())->DeleteSpecifiedMessages(pane, messageKeys, nsMsgKey_None);
m_db->DeleteMessage(key, nullptr, FALSE);
return TRUE;
}
#endif
else
{
return FALSE;
}
}
void
nsShmImage::Put(const mozilla::LayoutDeviceIntRegion& aRegion)
{
AutoTArray<xcb_rectangle_t, 32> xrects;
xrects.SetCapacity(aRegion.GetNumRects());
for (auto iter = aRegion.RectIter(); !iter.Done(); iter.Next()) {
const mozilla::LayoutDeviceIntRect &r = iter.Get();
xcb_rectangle_t xrect = { (short)r.x, (short)r.y, (unsigned short)r.width, (unsigned short)r.height };
xrects.AppendElement(xrect);
}
if (!mGC) {
mGC = xcb_generate_id(mConnection);
xcb_create_gc(mConnection, mGC, mWindow, 0, nullptr);
}
xcb_set_clip_rectangles(mConnection, XCB_CLIP_ORDERING_YX_BANDED, mGC, 0, 0,
xrects.Length(), xrects.Elements());
if (mPixmap != XCB_NONE) {
mLastRequest = xcb_copy_area_checked(mConnection, mPixmap, mWindow, mGC,
0, 0, 0, 0, mSize.width, mSize.height);
} else {
mLastRequest = xcb_shm_put_image_checked(mConnection, mWindow, mGC,
mSize.width, mSize.height,
0, 0, mSize.width, mSize.height,
0, 0, mDepth,
XCB_IMAGE_FORMAT_Z_PIXMAP, 0,
mShmSeg, 0);
}
xcb_flush(mConnection);
}
void
VideoSink::RenderVideoFrames(int32_t aMaxFrames,
int64_t aClockTime,
const TimeStamp& aClockTimeStamp)
{
AssertOwnerThread();
AutoTArray<RefPtr<MediaData>,16> frames;
VideoQueue().GetFirstElements(aMaxFrames, &frames);
if (frames.IsEmpty() || !mContainer) {
return;
}
AutoTArray<ImageContainer::NonOwningImage,16> images;
TimeStamp lastFrameTime;
MediaSink::PlaybackParams params = mAudioSink->GetPlaybackParams();
for (uint32_t i = 0; i < frames.Length(); ++i) {
VideoData* frame = frames[i]->As<VideoData>();
frame->mSentToCompositor = true;
if (!frame->mImage || !frame->mImage->IsValid() ||
!frame->mImage->GetSize().width || !frame->mImage->GetSize().height) {
continue;
}
int64_t frameTime = frame->mTime;
if (frameTime < 0) {
// Frame times before the start time are invalid; drop such frames
continue;
}
TimeStamp t;
if (aMaxFrames > 1) {
MOZ_ASSERT(!aClockTimeStamp.IsNull());
int64_t delta = frame->mTime - aClockTime;
t = aClockTimeStamp +
TimeDuration::FromMicroseconds(delta / params.mPlaybackRate);
if (!lastFrameTime.IsNull() && t <= lastFrameTime) {
// Timestamps out of order; drop the new frame. In theory we should
// probably replace the previous frame with the new frame if the
// timestamps are equal, but this is a corrupt video file already so
// never mind.
continue;
}
lastFrameTime = t;
}
ImageContainer::NonOwningImage* img = images.AppendElement();
img->mTimeStamp = t;
img->mImage = frame->mImage;
img->mFrameID = frame->mFrameID;
img->mProducerID = mProducerID;
VSINK_LOG_V("playing video frame %lld (id=%x) (vq-queued=%i)",
frame->mTime, frame->mFrameID, VideoQueue().GetSize());
}
mContainer->SetCurrentFrames(frames[0]->As<VideoData>()->mDisplay, images);
}
void
AudioNodeStream::ObtainInputBlock(AudioBlock& aTmpChunk,
uint32_t aPortIndex)
{
uint32_t inputCount = mInputs.Length();
uint32_t outputChannelCount = 1;
AutoTArray<const AudioBlock*,250> inputChunks;
for (uint32_t i = 0; i < inputCount; ++i) {
if (aPortIndex != mInputs[i]->InputNumber()) {
// This input is connected to a different port
continue;
}
MediaStream* s = mInputs[i]->GetSource();
AudioNodeStream* a = static_cast<AudioNodeStream*>(s);
MOZ_ASSERT(a == s->AsAudioNodeStream());
if (a->IsAudioParamStream()) {
continue;
}
const AudioBlock* chunk = &a->mLastChunks[mInputs[i]->OutputNumber()];
MOZ_ASSERT(chunk);
if (chunk->IsNull() || chunk->mChannelData.IsEmpty()) {
continue;
}
inputChunks.AppendElement(chunk);
outputChannelCount =
GetAudioChannelsSuperset(outputChannelCount, chunk->ChannelCount());
}
outputChannelCount = ComputedNumberOfChannels(outputChannelCount);
uint32_t inputChunkCount = inputChunks.Length();
if (inputChunkCount == 0 ||
(inputChunkCount == 1 && inputChunks[0]->ChannelCount() == 0)) {
aTmpChunk.SetNull(WEBAUDIO_BLOCK_SIZE);
return;
}
if (inputChunkCount == 1 &&
inputChunks[0]->ChannelCount() == outputChannelCount) {
aTmpChunk = *inputChunks[0];
return;
}
if (outputChannelCount == 0) {
aTmpChunk.SetNull(WEBAUDIO_BLOCK_SIZE);
return;
}
aTmpChunk.AllocateChannels(outputChannelCount);
DownmixBufferType downmixBuffer;
ASSERT_ALIGNED16(downmixBuffer.Elements());
for (uint32_t i = 0; i < inputChunkCount; ++i) {
AccumulateInputChunk(i, *inputChunks[i], &aTmpChunk, &downmixBuffer);
}
}
void
SpeechRecognition::FeedAudioData(already_AddRefed<SharedBuffer> aSamples,
uint32_t aDuration,
MediaStreamListener* aProvider, TrackRate aTrackRate)
{
NS_ASSERTION(!NS_IsMainThread(),
"FeedAudioData should not be called in the main thread");
// Endpointer expects to receive samples in chunks whose size is a
// multiple of its frame size.
// Since we can't assume we will receive the frames in appropriate-sized
// chunks, we must buffer and split them in chunks of mAudioSamplesPerChunk
// (a multiple of Endpointer's frame size) before feeding to Endpointer.
// ensure aSamples is deleted
RefPtr<SharedBuffer> refSamples = aSamples;
uint32_t samplesIndex = 0;
const int16_t* samples = static_cast<int16_t*>(refSamples->Data());
AutoTArray<RefPtr<SharedBuffer>, 5> chunksToSend;
// fill up our buffer and make a chunk out of it, if possible
if (mBufferedSamples > 0) {
samplesIndex += FillSamplesBuffer(samples, aDuration);
if (mBufferedSamples == mAudioSamplesPerChunk) {
chunksToSend.AppendElement(mAudioSamplesBuffer.forget());
mBufferedSamples = 0;
}
}
// create sample chunks of correct size
if (samplesIndex < aDuration) {
samplesIndex += SplitSamplesBuffer(samples + samplesIndex,
aDuration - samplesIndex,
chunksToSend);
}
// buffer remaining samples
if (samplesIndex < aDuration) {
mBufferedSamples = 0;
mAudioSamplesBuffer =
SharedBuffer::Create(mAudioSamplesPerChunk * sizeof(int16_t));
FillSamplesBuffer(samples + samplesIndex, aDuration - samplesIndex);
}
AudioSegment* segment = CreateAudioSegment(chunksToSend);
RefPtr<SpeechEvent> event = new SpeechEvent(this, EVENT_AUDIO_DATA);
event->mAudioSegment = segment;
event->mProvider = aProvider;
event->mTrackRate = aTrackRate;
NS_DispatchToMainThread(event);
return;
}
RasterImage::GetImageContainer(LayerManager* aManager, uint32_t aFlags)
{
MOZ_ASSERT(NS_IsMainThread());
MOZ_ASSERT(aManager);
MOZ_ASSERT((aFlags & ~(FLAG_SYNC_DECODE |
FLAG_SYNC_DECODE_IF_FAST |
FLAG_ASYNC_NOTIFY))
== FLAG_NONE,
"Unsupported flag passed to GetImageContainer");
int32_t maxTextureSize = aManager->GetMaxTextureSize();
if (!mHasSize ||
mSize.width > maxTextureSize ||
mSize.height > maxTextureSize) {
return nullptr;
}
if (IsUnlocked() && mProgressTracker) {
mProgressTracker->OnUnlockedDraw();
}
RefPtr<layers::ImageContainer> container = mImageContainer.get();
bool mustRedecode =
(aFlags & (FLAG_SYNC_DECODE | FLAG_SYNC_DECODE_IF_FAST)) &&
mLastImageContainerDrawResult != DrawResult::SUCCESS &&
mLastImageContainerDrawResult != DrawResult::BAD_IMAGE;
if (container && !mustRedecode) {
return container.forget();
}
// We need a new ImageContainer, so create one.
container = LayerManager::CreateImageContainer();
DrawResult drawResult;
RefPtr<layers::Image> image;
Tie(drawResult, image) = GetCurrentImage(container, aFlags);
if (!image) {
return nullptr;
}
// |image| holds a reference to a SourceSurface which in turn holds a lock on
// the current frame's VolatileBuffer, ensuring that it doesn't get freed as
// long as the layer system keeps this ImageContainer alive.
AutoTArray<ImageContainer::NonOwningImage, 1> imageList;
imageList.AppendElement(ImageContainer::NonOwningImage(image, TimeStamp(),
mLastFrameID++,
mImageProducerID));
container->SetCurrentImagesInTransaction(imageList);
mLastImageContainerDrawResult = drawResult;
mImageContainer = container;
return container.forget();
}
void
CacheOpParent::Execute(cache::Manager* aManager)
{
NS_ASSERT_OWNINGTHREAD(CacheOpParent);
MOZ_ASSERT(!mManager);
MOZ_ASSERT(!mVerifier);
mManager = aManager;
// Handle put op
if (mOpArgs.type() == CacheOpArgs::TCachePutAllArgs) {
MOZ_ASSERT(mCacheId != INVALID_CACHE_ID);
const CachePutAllArgs& args = mOpArgs.get_CachePutAllArgs();
const nsTArray<CacheRequestResponse>& list = args.requestResponseList();
AutoTArray<nsCOMPtr<nsIInputStream>, 256> requestStreamList;
AutoTArray<nsCOMPtr<nsIInputStream>, 256> responseStreamList;
for (uint32_t i = 0; i < list.Length(); ++i) {
requestStreamList.AppendElement(
DeserializeCacheStream(list[i].request().body()));
responseStreamList.AppendElement(
DeserializeCacheStream(list[i].response().body()));
}
mManager->ExecutePutAll(this, mCacheId, args.requestResponseList(),
requestStreamList, responseStreamList);
return;
}
// Handle all other cache ops
if (mCacheId != INVALID_CACHE_ID) {
MOZ_ASSERT(mNamespace == INVALID_NAMESPACE);
mManager->ExecuteCacheOp(this, mCacheId, mOpArgs);
return;
}
// Handle all storage ops
MOZ_ASSERT(mNamespace != INVALID_NAMESPACE);
mManager->ExecuteStorageOp(this, mNamespace, mOpArgs);
}
NS_IMETHODIMP nsPrefBranch::GetChildList(const char *aStartingAt, uint32_t *aCount, char ***aChildArray)
{
char **outArray;
int32_t numPrefs;
int32_t dwIndex;
AutoTArray<nsCString, 32> prefArray;
NS_ENSURE_ARG(aStartingAt);
NS_ENSURE_ARG_POINTER(aCount);
NS_ENSURE_ARG_POINTER(aChildArray);
*aChildArray = nullptr;
*aCount = 0;
// this will contain a list of all the pref name strings
// allocate on the stack for speed
const char* parent = getPrefName(aStartingAt);
size_t parentLen = strlen(parent);
for (auto iter = gHashTable->Iter(); !iter.Done(); iter.Next()) {
auto entry = static_cast<PrefHashEntry*>(iter.Get());
if (strncmp(entry->key, parent, parentLen) == 0) {
prefArray.AppendElement(entry->key);
}
}
// now that we've built up the list, run the callback on
// all the matching elements
numPrefs = prefArray.Length();
if (numPrefs) {
outArray = (char **)moz_xmalloc(numPrefs * sizeof(char *));
if (!outArray)
return NS_ERROR_OUT_OF_MEMORY;
for (dwIndex = 0; dwIndex < numPrefs; ++dwIndex) {
// we need to lop off mPrefRoot in case the user is planning to pass this
// back to us because if they do we are going to add mPrefRoot again.
const nsCString& element = prefArray[dwIndex];
outArray[dwIndex] = (char *)nsMemory::Clone(
element.get() + mPrefRootLength, element.Length() - mPrefRootLength + 1);
if (!outArray[dwIndex]) {
// we ran out of memory... this is annoying
NS_FREE_XPCOM_ALLOCATED_POINTER_ARRAY(dwIndex, outArray);
return NS_ERROR_OUT_OF_MEMORY;
}
}
*aChildArray = outArray;
}
*aCount = numPrefs;
return NS_OK;
}
already_AddRefed<Promise>
Cache::AddAll(const GlobalObject& aGlobal,
nsTArray<RefPtr<Request>>&& aRequestList,
CallerType aCallerType, ErrorResult& aRv)
{
MOZ_DIAGNOSTIC_ASSERT(mActor);
// If there is no work to do, then resolve immediately
if (aRequestList.IsEmpty()) {
RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
if (NS_WARN_IF(!promise)) {
return nullptr;
}
promise->MaybeResolveWithUndefined();
return promise.forget();
}
AutoTArray<RefPtr<Promise>, 256> fetchList;
fetchList.SetCapacity(aRequestList.Length());
// Begin fetching each request in parallel. For now, if an error occurs just
// abandon our previous fetch calls. In theory we could cancel them in the
// future once fetch supports it.
for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
RequestOrUSVString requestOrString;
requestOrString.SetAsRequest() = aRequestList[i];
RefPtr<Promise> fetch = FetchRequest(mGlobal, requestOrString,
RequestInit(), aCallerType, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
fetchList.AppendElement(std::move(fetch));
}
RefPtr<Promise> promise = Promise::Create(mGlobal, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
RefPtr<FetchHandler> handler =
new FetchHandler(mActor->GetWorkerHolder(), this,
std::move(aRequestList), promise);
RefPtr<Promise> fetchPromise = Promise::All(aGlobal.Context(), fetchList, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
fetchPromise->AppendNativeHandler(handler);
return promise.forget();
}
void Generate(AudioSegment& aSegment, const int32_t& aSamples)
{
RefPtr<SharedBuffer> buffer = SharedBuffer::Create(aSamples * sizeof(int16_t));
int16_t* dest = static_cast<int16_t*>(buffer->Data());
mGenerator.generate(dest, aSamples);
AutoTArray<const int16_t*, 1> channels;
for (int32_t i = 0; i < mChannels; i++) {
channels.AppendElement(dest);
}
aSegment.AppendFrames(buffer.forget(), channels, aSamples, PRINCIPAL_HANDLE_NONE);
}
void
MediaEngineDefaultAudioSource::AppendToSegment(AudioSegment& aSegment,
TrackTicks aSamples)
{
RefPtr<SharedBuffer> buffer = SharedBuffer::Create(aSamples * sizeof(int16_t));
int16_t* dest = static_cast<int16_t*>(buffer->Data());
mSineGenerator->generate(dest, aSamples);
AutoTArray<const int16_t*,1> channels;
channels.AppendElement(dest);
aSegment.AppendFrames(buffer.forget(), channels, aSamples);
}
void CacheOpChild::HandleRequestList(
const nsTArray<CacheRequest>& aRequestList) {
AutoTArray<RefPtr<Request>, 256> requests;
requests.SetCapacity(aRequestList.Length());
for (uint32_t i = 0; i < aRequestList.Length(); ++i) {
AddWorkerHolderToStreamChild(aRequestList[i], GetWorkerHolder());
requests.AppendElement(ToRequest(aRequestList[i]));
}
mPromise->MaybeResolve(requests);
}
void
CacheOpChild::HandleResponseList(const nsTArray<CacheResponse>& aResponseList)
{
AutoTArray<RefPtr<Response>, 256> responses;
responses.SetCapacity(aResponseList.Length());
for (uint32_t i = 0; i < aResponseList.Length(); ++i) {
AddFeatureToStreamChild(aResponseList[i], GetFeature());
responses.AppendElement(ToResponse(aResponseList[i]));
}
mPromise->MaybeResolve(responses);
}
void VideoFrameContainer::SetCurrentFrame(const gfx::IntSize& aIntrinsicSize,
Image* aImage,
const TimeStamp& aTargetTime)
{
if (aImage) {
MutexAutoLock lock(mMutex);
AutoTArray<ImageContainer::NonOwningImage,1> imageList;
imageList.AppendElement(
ImageContainer::NonOwningImage(aImage, aTargetTime, ++mFrameID));
SetCurrentFramesLocked(aIntrinsicSize, imageList);
} else {
ClearCurrentFrame(aIntrinsicSize);
}
}
void
MediaEngineWebRTCMicrophoneSource::InsertInGraph(const T* aBuffer,
size_t aFrames,
uint32_t aChannels)
{
if (mState != kStarted) {
return;
}
if (MOZ_LOG_TEST(AudioLogModule(), LogLevel::Debug)) {
mTotalFrames += aFrames;
if (mTotalFrames > mLastLogFrames + mSampleFrequency) { // ~ 1 second
MOZ_LOG(AudioLogModule(), LogLevel::Debug,
("%p: Inserting %" PRIuSIZE " samples into graph, total frames = %" PRIu64,
(void*)this, aFrames, mTotalFrames));
mLastLogFrames = mTotalFrames;
}
}
size_t len = mSources.Length();
for (size_t i = 0; i < len; i++) {
if (!mSources[i]) {
continue;
}
RefPtr<SharedBuffer> buffer =
SharedBuffer::Create(aFrames * aChannels * sizeof(T));
PodCopy(static_cast<T*>(buffer->Data()),
aBuffer, aFrames * aChannels);
TimeStamp insertTime;
// Make sure we include the stream and the track.
// The 0:1 is a flag to note when we've done the final insert for a given input block.
LogTime(AsyncLatencyLogger::AudioTrackInsertion,
LATENCY_STREAM_ID(mSources[i].get(), mTrackID),
(i+1 < len) ? 0 : 1, insertTime);
nsAutoPtr<AudioSegment> segment(new AudioSegment());
AutoTArray<const T*, 1> channels;
// XXX Bug 971528 - Support stereo capture in gUM
MOZ_ASSERT(aChannels == 1,
"GraphDriver only supports us stereo audio for now");
channels.AppendElement(static_cast<T*>(buffer->Data()));
segment->AppendFrames(buffer.forget(), channels, aFrames,
mPrincipalHandles[i]);
segment->GetStartTime(insertTime);
mSources[i]->AppendToTrack(mTrackID, segment);
}
}
static nscoord
ComputeDescendantISize(const ReflowInput& aAncestorReflowInput,
nsIFrame *aDescendantFrame)
{
nsIFrame *ancestorFrame = aAncestorReflowInput.mFrame->FirstInFlow();
if (aDescendantFrame == ancestorFrame) {
return aAncestorReflowInput.ComputedISize();
}
AutoTArray<nsIFrame*, 16> frames;
for (nsIFrame *f = aDescendantFrame; f != ancestorFrame;
f = f->GetParent()->FirstInFlow()) {
frames.AppendElement(f);
}
// This ignores the inline-size contributions made by scrollbars, though in
// reality we don't have any scrollbars on the sorts of devices on
// which we use font inflation, so it's not a problem. But it may
// occasionally cause problems when writing tests on desktop.
uint32_t len = frames.Length();
ReflowInput *reflowInputs = static_cast<ReflowInput*>
(moz_xmalloc(sizeof(ReflowInput) * len));
nsPresContext *presContext = aDescendantFrame->PresContext();
for (uint32_t i = 0; i < len; ++i) {
const ReflowInput &parentReflowInput =
(i == 0) ? aAncestorReflowInput : reflowInputs[i - 1];
nsIFrame *frame = frames[len - i - 1];
WritingMode wm = frame->GetWritingMode();
LogicalSize availSize = parentReflowInput.ComputedSize(wm);
availSize.BSize(wm) = NS_UNCONSTRAINEDSIZE;
MOZ_ASSERT(frame->GetParent()->FirstInFlow() ==
parentReflowInput.mFrame->FirstInFlow(),
"bad logic in this function");
new (reflowInputs + i) ReflowInput(presContext, parentReflowInput,
frame, availSize);
}
MOZ_ASSERT(reflowInputs[len - 1].mFrame == aDescendantFrame,
"bad logic in this function");
nscoord result = reflowInputs[len - 1].ComputedISize();
for (uint32_t i = len; i-- != 0; ) {
reflowInputs[i].~ReflowInput();
}
free(reflowInputs);
return result;
}
void
nsSpeechTask::SendAudioImpl(RefPtr<mozilla::SharedBuffer>& aSamples, uint32_t aDataLen)
{
if (aDataLen == 0) {
mStream->EndAllTrackAndFinish();
return;
}
AudioSegment segment;
AutoTArray<const int16_t*, 1> channelData;
channelData.AppendElement(static_cast<int16_t*>(aSamples->Data()));
segment.AppendFrames(aSamples.forget(), channelData, aDataLen);
mStream->AppendToTrack(1, &segment);
mStream->AdvanceKnownTracksTime(STREAM_TIME_MAX);
}
AudioSegment*
SpeechRecognition::CreateAudioSegment(nsTArray<RefPtr<SharedBuffer>>& aChunks)
{
AudioSegment* segment = new AudioSegment();
for (uint32_t i = 0; i < aChunks.Length(); ++i) {
RefPtr<SharedBuffer> buffer = aChunks[i];
const int16_t* chunkData = static_cast<const int16_t*>(buffer->Data());
AutoTArray<const int16_t*, 1> channels;
channels.AppendElement(chunkData);
segment->AppendFrames(buffer.forget(), channels, mAudioSamplesPerChunk,
PRINCIPAL_HANDLE_NONE);
}
return segment;
}
static void
SendStreamAudio(DecodedStreamData* aStream, int64_t aStartTime,
MediaData* aData, AudioSegment* aOutput, uint32_t aRate,
const PrincipalHandle& aPrincipalHandle)
{
// The amount of audio frames that is used to fuzz rounding errors.
static const int64_t AUDIO_FUZZ_FRAMES = 1;
MOZ_ASSERT(aData);
AudioData* audio = aData->As<AudioData>();
// This logic has to mimic AudioSink closely to make sure we write
// the exact same silences
CheckedInt64 audioWrittenOffset = aStream->mAudioFramesWritten +
UsecsToFrames(aStartTime, aRate);
CheckedInt64 frameOffset = UsecsToFrames(audio->mTime, aRate);
if (!audioWrittenOffset.isValid() ||
!frameOffset.isValid() ||
// ignore packet that we've already processed
audio->GetEndTime() <= aStream->mNextAudioTime) {
return;
}
if (audioWrittenOffset.value() + AUDIO_FUZZ_FRAMES < frameOffset.value()) {
int64_t silentFrames = frameOffset.value() - audioWrittenOffset.value();
// Write silence to catch up
AudioSegment silence;
silence.InsertNullDataAtStart(silentFrames);
aStream->mAudioFramesWritten += silentFrames;
audioWrittenOffset += silentFrames;
aOutput->AppendFrom(&silence);
}
// Always write the whole sample without truncation to be consistent with
// DecodedAudioDataSink::PlayFromAudioQueue()
audio->EnsureAudioBuffer();
RefPtr<SharedBuffer> buffer = audio->mAudioBuffer;
AudioDataValue* bufferData = static_cast<AudioDataValue*>(buffer->Data());
AutoTArray<const AudioDataValue*, 2> channels;
for (uint32_t i = 0; i < audio->mChannels; ++i) {
channels.AppendElement(bufferData + i * audio->mFrames);
}
aOutput->AppendFrames(buffer.forget(), channels, audio->mFrames, aPrincipalHandle);
aStream->mAudioFramesWritten += audio->mFrames;
aStream->mNextAudioTime = audio->GetEndTime();
}
