bool CompressStream(Serializer& dest, Deserializer& src)
{
unsigned srcSize = src.GetSize() - src.GetPosition();
// Prepend the source and dest. data size in the stream so that we know to buffer & uncompress the right amount
if (!srcSize)
{
dest.WriteUInt(0);
dest.WriteUInt(0);
return true;
}
unsigned maxDestSize = LZ4_compressBound(srcSize);
SharedArrayPtr<unsigned char> srcBuffer(new unsigned char[srcSize]);
SharedArrayPtr<unsigned char> destBuffer(new unsigned char[maxDestSize]);
if (src.Read(srcBuffer, srcSize) != srcSize)
return false;
unsigned destSize = LZ4_compressHC((const char*)srcBuffer.Get(), (char*)destBuffer.Get(), srcSize);
bool success = true;
success &= dest.WriteUInt(srcSize);
success &= dest.WriteUInt(destSize);
success &= dest.Write(destBuffer, destSize) == destSize;
return success;
}
// -----------------------------------------------------------------------------
// CDrmUtilityGlobalNoteWrapper::ShowNoteL
// -----------------------------------------------------------------------------
//
TInt DRM::CDrmUtilityGlobalNoteWrapper::ShowNoteL(
TInt aResourceId,
const TDesC& aString )
{
TBuf<DRM::KDRMNoteBufferMaxSize> srcBuffer(
iResourceReader->ReadResourceString( aResourceId ) );
StringLoader::Format( iTextBuffer, srcBuffer, -1, aString );
return DoShowNoteL( aResourceId, aString );
}
// Test out the layer replacement functionality with and w/o a BBH
void test_replacements(skiatest::Reporter* r, GrContext* context, bool doReplace) {
sk_sp<SkPicture> pic;
{
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
SkPaint paint;
canvas->saveLayer(nullptr, &paint);
canvas->clear(SK_ColorRED);
canvas->restore();
canvas->drawRect(SkRect::MakeWH(SkIntToScalar(kWidth / 2), SkIntToScalar(kHeight / 2)),
SkPaint());
pic = recorder.finishRecordingAsPicture();
}
SkAutoTUnref<GrTexture> texture;
SkPaint paint;
GrLayerCache* layerCache = context->getLayerCache();
if (doReplace) {
int key[1] = { 0 };
GrCachedLayer* layer = layerCache->findLayerOrCreate(pic->uniqueID(), 0, 2,
SkIRect::MakeWH(kWidth, kHeight),
SkIRect::MakeWH(kWidth, kHeight),
SkMatrix::I(), key, 1, &paint);
GrSurfaceDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrSurfaceFlag;
desc.fWidth = kWidth;
desc.fHeight = kHeight;
desc.fSampleCnt = 0;
// Giving the texture some initial data so the Gpu (specifically vulkan) does not complain
// when reading from an uninitialized texture.
SkAutoTMalloc<uint32_t> srcBuffer(kWidth*kHeight);
memset(srcBuffer.get(), 0, kWidth*kHeight*sizeof(uint32_t));
texture.reset(context->textureProvider()->createTexture(
desc, SkBudgeted::kNo, srcBuffer.get(), 0));
layer->setTexture(texture, SkIRect::MakeWH(kWidth, kHeight), false);
}
SkRecord rerecord;
SkRecorder canvas(&rerecord, kWidth, kHeight);
GrRecordReplaceDraw(pic.get(), &canvas, layerCache, SkMatrix::I(), nullptr/*callback*/);
int numLayers = count_instances_of_type<SkRecords::SaveLayer>(rerecord);
if (doReplace) {
REPORTER_ASSERT(r, 0 == numLayers);
} else {
REPORTER_ASSERT(r, 1 == numLayers);
}
}
void
aggPixelPainter<pixel_fmt>::copy(void* data, unsigned width, unsigned height,
int stride, aggCanvas::PixelFormat format)
{
agg::rendering_buffer srcBuffer(reinterpret_cast<agg::int8u*>(data), width, height, -stride);
switch (format) {
case aggCanvas::Gray8_Blend: {
gray_pixel_fmt srcPixFmt(srcBuffer);
agg::copy_rect(srcPixFmt, pixFmt);
break;
}
case aggCanvas::Gray16_Blend: {
gray16_pixel_fmt srcPixFmt(srcBuffer);
agg::copy_rect(srcPixFmt, pixFmt);
break;
}
case aggCanvas::RGBA8_Blend: {
color32_pixel_fmt srcPixFmt(srcBuffer);
agg::copy_rect(srcPixFmt, pixFmt);
break;
}
case aggCanvas::RGBA16_Blend: {
color64_pixel_fmt srcPixFmt(srcBuffer);
agg::copy_rect(srcPixFmt, pixFmt);
break;
}
case aggCanvas::RGB8_Blend: {
color24_pixel_fmt srcPixFmt(srcBuffer);
agg::copy_rect(srcPixFmt, pixFmt);
break;
}
case aggCanvas::RGB16_Blend: {
color48_pixel_fmt srcPixFmt(srcBuffer);
agg::copy_rect(srcPixFmt, pixFmt);
break;
}
case aggCanvas::FF_Blend:
case aggCanvas::FF24_Blend:
case aggCanvas::QT_Blend:
assert(false);
break;
default:
break;
}
}
already_AddRefed<VideoData>
GonkVideoDecoderManager::CreateVideoDataFromGraphicBuffer(MediaBuffer* aSource,
gfx::IntRect& aPicture)
{
sp<GraphicBuffer> srcBuffer(aSource->graphicBuffer());
RefPtr<TextureClient> textureClient;
if (mNeedsCopyBuffer) {
// Copy buffer contents for bug 1199809.
if (!mCopyAllocator) {
mCopyAllocator = new TextureClientRecycleAllocator(ImageBridgeChild::GetSingleton());
}
if (!mCopyAllocator) {
GVDM_LOG("Create buffer allocator failed!");
return nullptr;
}
gfx::IntSize size(Align(aPicture.width, 2) , Align(aPicture.height, 2));
textureClient =
mCopyAllocator->CreateOrRecycle(gfx::SurfaceFormat::YUV, size,
BackendSelector::Content,
TextureFlags::DEFAULT,
ALLOC_DISALLOW_BUFFERTEXTURECLIENT);
if (!textureClient) {
GVDM_LOG("Copy buffer allocation failed!");
return nullptr;
}
// Update size to match buffer's.
aPicture.width = size.width;
aPicture.height = size.height;
sp<GraphicBuffer> destBuffer =
static_cast<GrallocTextureClientOGL*>(textureClient.get())->GetGraphicBuffer();
CopyGraphicBuffer(srcBuffer, destBuffer);
} else {
textureClient = mNativeWindow->getTextureClientFromBuffer(srcBuffer.get());
textureClient->SetRecycleCallback(GonkVideoDecoderManager::RecycleCallback, this);
GrallocTextureClientOGL* grallocClient = static_cast<GrallocTextureClientOGL*>(textureClient.get());
grallocClient->SetMediaBuffer(aSource);
}
RefPtr<VideoData> data = VideoData::Create(mInfo.mVideo,
mImageContainer,
0, // Filled later by caller.
0, // Filled later by caller.
1, // No way to pass sample duration from muxer to
// OMX codec, so we hardcode the duration here.
textureClient,
false, // Filled later by caller.
-1,
aPicture);
return data.forget();
}
void
BasicThebesLayerBuffer::SetBackingBufferAndUpdateFrom(
gfxASurface* aBuffer,
gfxASurface* aSource, const nsIntRect& aRect, const nsIntPoint& aRotation,
const nsIntRegion& aUpdateRegion)
{
SetBackingBuffer(aBuffer, aRect, aRotation);
nsRefPtr<gfxContext> destCtx =
GetContextForQuadrantUpdate(aUpdateRegion.GetBounds());
destCtx->SetOperator(gfxContext::OPERATOR_SOURCE);
if (IsClippingCheap(destCtx, aUpdateRegion)) {
gfxUtils::ClipToRegion(destCtx, aUpdateRegion);
}
BasicThebesLayerBuffer srcBuffer(aSource, aRect, aRotation);
srcBuffer.DrawBufferWithRotation(destCtx, 1.0);
}
// -----------------------------------------------------------------------------
// CDrmUtilityGlobalNoteWrapper::ShowNoteWithButtonsL
// -----------------------------------------------------------------------------
//
TInt DRM::CDrmUtilityGlobalNoteWrapper::ShowNoteWithButtonsL(
TInt aResourceId,
TInt aButtonsId,
const TDesC& aString )
{
TInt ret( 0 );
TBuf<DRM::KDRMNoteBufferMaxSize> srcBuffer(
iResourceReader->ReadResourceString( aResourceId ) );
StringLoader::Format( iTextBuffer, srcBuffer, -1, aString );
iButtonsId = aButtonsId;
ret = DoShowNoteL( aResourceId, aString );
iButtonsId = R_AVKON_SOFTKEYS_YES_NO__YES;
return ret;
}
bool DecompressStream(Serializer& dest, Deserializer& src)
{
if (src.IsEof())
return false;
unsigned destSize = src.ReadUInt();
unsigned srcSize = src.ReadUInt();
if (!srcSize || !destSize)
return true; // No data
if (srcSize > src.GetSize())
return false; // Illegal source (packed data) size reported, possibly not valid data
SharedArrayPtr<unsigned char> srcBuffer(new unsigned char[srcSize]);
SharedArrayPtr<unsigned char> destBuffer(new unsigned char[destSize]);
if (src.Read(srcBuffer, srcSize) != srcSize)
return false;
LZ4_decompress_fast((const char*)srcBuffer.Get(), (char*)destBuffer.Get(), destSize);
return dest.Write(destBuffer, destSize) == destSize;
}
void dng_limit_float_depth_task::Process (uint32 /* threadIndex */,
const dng_rect &tile,
dng_abort_sniffer * /* sniffer */)
{
dng_const_tile_buffer srcBuffer (fSrcImage, tile);
dng_dirty_tile_buffer dstBuffer (fDstImage, tile);
uint32 count0 = tile.H ();
uint32 count1 = tile.W ();
uint32 count2 = fDstImage.Planes ();
int32 sStep0 = srcBuffer.fRowStep;
int32 sStep1 = srcBuffer.fColStep;
int32 sStep2 = srcBuffer.fPlaneStep;
int32 dStep0 = dstBuffer.fRowStep;
int32 dStep1 = dstBuffer.fColStep;
int32 dStep2 = dstBuffer.fPlaneStep;
const void *sPtr = srcBuffer.ConstPixel (tile.t,
tile.l,
0);
void *dPtr = dstBuffer.DirtyPixel (tile.t,
tile.l,
0);
OptimizeOrder (sPtr,
dPtr,
srcBuffer.fPixelSize,
dstBuffer.fPixelSize,
count0,
count1,
count2,
sStep0,
sStep1,
sStep2,
dStep0,
dStep1,
dStep2);
const real32 *sPtr0 = (const real32 *) sPtr;
real32 *dPtr0 = ( real32 *) dPtr;
real32 scale = fScale;
bool limit16 = (fBitDepth == 16);
bool limit24 = (fBitDepth == 24);
for (uint32 index0 = 0; index0 < count0; index0++)
{
const real32 *sPtr1 = sPtr0;
real32 *dPtr1 = dPtr0;
for (uint32 index1 = 0; index1 < count1; index1++)
{
// If the scale is a NOP, and the data is packed solid, we can just do memory
// copy.
if (scale == 1.0f && sStep2 == 1 && dStep2 == 1)
{
if (dPtr1 != sPtr1) // srcImage != dstImage
{
memcpy (dPtr1, sPtr1, count2 * (uint32) sizeof (real32));
}
}
else
{
const real32 *sPtr2 = sPtr1;
real32 *dPtr2 = dPtr1;
for (uint32 index2 = 0; index2 < count2; index2++)
{
real32 x = sPtr2 [0];
x *= scale;
dPtr2 [0] = x;
sPtr2 += sStep2;
dPtr2 += dStep2;
}
}
// The data is now in the destination buffer.
if (limit16)
{
uint32 *dPtr2 = (uint32 *) dPtr1;
for (uint32 index2 = 0; index2 < count2; index2++)
{
uint32 x = dPtr2 [0];
uint16 y = DNG_FloatToHalf (x);
x = DNG_HalfToFloat (y);
dPtr2 [0] = x;
dPtr2 += dStep2;
}
}
else if (limit24)
{
uint32 *dPtr2 = (uint32 *) dPtr1;
for (uint32 index2 = 0; index2 < count2; index2++)
{
uint32 x = dPtr2 [0];
uint8 temp [3];
DNG_FloatToFP24 (x, temp);
x = DNG_FP24ToFloat (temp);
dPtr2 [0] = x;
dPtr2 += dStep2;
}
}
sPtr1 += sStep1;
dPtr1 += dStep1;
}
sPtr0 += sStep0;
dPtr0 += dStep0;
}
}
/*
* Performs the jpeg decode
*/
SkCodec::Result SkJpegCodec::onGetPixels(const SkImageInfo& dstInfo,
void* dst, size_t dstRowBytes,
const Options& options, SkPMColor*, int*) {
// Rewind the stream if needed
if (!this->handleRewind()) {
fDecoderMgr->returnFailure("could not rewind stream", kCouldNotRewind);
}
// Get a pointer to the decompress info since we will use it quite frequently
jpeg_decompress_struct* dinfo = fDecoderMgr->dinfo();
// Set the jump location for libjpeg errors
if (setjmp(fDecoderMgr->getJmpBuf())) {
return fDecoderMgr->returnFailure("setjmp", kInvalidInput);
}
// Check if we can decode to the requested destination
if (!conversion_possible(dstInfo, this->getInfo())) {
return fDecoderMgr->returnFailure("conversion_possible", kInvalidConversion);
}
// Perform the necessary scaling
if (!this->scaleToDimensions(dstInfo.width(), dstInfo.height())) {
fDecoderMgr->returnFailure("cannot scale to requested dims", kInvalidScale);
}
// Now, given valid output dimensions, we can start the decompress
if (!jpeg_start_decompress(dinfo)) {
return fDecoderMgr->returnFailure("startDecompress", kInvalidInput);
}
// Create the swizzler
this->initializeSwizzler(dstInfo, dst, dstRowBytes, options);
if (NULL == fSwizzler) {
return fDecoderMgr->returnFailure("getSwizzler", kUnimplemented);
}
// This is usually 1, but can also be 2 or 4.
// If we wanted to always read one row at a time, we could, but we will save space and time
// by using the recommendation from libjpeg.
const uint32_t rowsPerDecode = dinfo->rec_outbuf_height;
SkASSERT(rowsPerDecode <= 4);
// Create a buffer to contain decoded rows (libjpeg requires a 2D array)
SkASSERT(0 != fSrcRowBytes);
SkAutoTDeleteArray<uint8_t> srcBuffer(SkNEW_ARRAY(uint8_t, fSrcRowBytes * rowsPerDecode));
JSAMPLE* srcRows[4];
uint8_t* srcPtr = srcBuffer.get();
for (uint8_t i = 0; i < rowsPerDecode; i++) {
srcRows[i] = (JSAMPLE*) srcPtr;
srcPtr += fSrcRowBytes;
}
// Ensure that we loop enough times to decode all of the rows
// libjpeg will prevent us from reading past the bottom of the image
uint32_t dstHeight = dstInfo.height();
for (uint32_t y = 0; y < dstHeight + rowsPerDecode - 1; y += rowsPerDecode) {
// Read rows of the image
uint32_t rowsDecoded = jpeg_read_scanlines(dinfo, srcRows, rowsPerDecode);
// Convert to RGB if necessary
if (JCS_CMYK == dinfo->out_color_space) {
convert_CMYK_to_RGB(srcRows[0], dstInfo.width() * rowsDecoded);
}
// Swizzle to output destination
for (uint32_t i = 0; i < rowsDecoded; i++) {
fSwizzler->next(srcRows[i]);
}
// If we cannot read enough rows, assume the input is incomplete
if (rowsDecoded < rowsPerDecode && y + rowsDecoded < dstHeight) {
// Fill the remainder of the image with black. This error handling
// behavior is unspecified but SkCodec consistently uses black as
// the fill color for opaque images. If the destination is kGray,
// the low 8 bits of SK_ColorBLACK will be used. Conveniently,
// these are zeros, which is the representation for black in kGray.
SkSwizzler::Fill(fSwizzler->getDstRow(), dstInfo, dstRowBytes,
dstHeight - y - rowsDecoded, SK_ColorBLACK, NULL);
// Prevent libjpeg from failing on incomplete decode
dinfo->output_scanline = dstHeight;
// Finish the decode and indicate that the input was incomplete.
jpeg_finish_decompress(dinfo);
return fDecoderMgr->returnFailure("Incomplete image data", kIncompleteInput);
}
}
jpeg_finish_decompress(dinfo);
return kSuccess;
}
bool GifTranscoder::resizeBoxFilter(GifFileType* gifIn, GifFileType* gifOut) {
ASSERT(gifIn != NULL, "gifIn cannot be NULL");
ASSERT(gifOut != NULL, "gifOut cannot be NULL");
if (gifIn->SWidth < 0 || gifIn->SHeight < 0) {
LOGE("Input GIF has invalid size: %d x %d", gifIn->SWidth, gifIn->SHeight);
return false;
}
// Output GIF will be 50% the size of the original.
if (EGifPutScreenDesc(gifOut,
gifIn->SWidth / 2,
gifIn->SHeight / 2,
gifIn->SColorResolution,
gifIn->SBackGroundColor,
gifIn->SColorMap) == GIF_ERROR) {
LOGE("Could not write screen descriptor");
return false;
}
LOGD("Wrote screen descriptor");
// Index of the current image.
int imageIndex = 0;
// Transparent color of the current image.
int transparentColor = NO_TRANSPARENT_COLOR;
// Buffer for reading raw images from the input GIF.
std::vector<GifByteType> srcBuffer(gifIn->SWidth * gifIn->SHeight);
// Buffer for rendering images from the input GIF.
std::unique_ptr<ColorARGB> renderBuffer(new ColorARGB[gifIn->SWidth * gifIn->SHeight]);
// Buffer for writing new images to output GIF (one row at a time).
std::unique_ptr<GifByteType> dstRowBuffer(new GifByteType[gifOut->SWidth]);
// Many GIFs use DISPOSE_DO_NOT to make images draw on top of previous images. They can also
// use DISPOSE_BACKGROUND to clear the last image region before drawing the next one. We need
// to keep track of the disposal mode as we go along to properly render the GIF.
int disposalMode = DISPOSAL_UNSPECIFIED;
int prevImageDisposalMode = DISPOSAL_UNSPECIFIED;
GifImageDesc prevImageDimens;
// Background color (applies to entire GIF).
ColorARGB bgColor = TRANSPARENT;
GifRecordType recordType;
do {
if (DGifGetRecordType(gifIn, &recordType) == GIF_ERROR) {
LOGE("Could not get record type");
return false;
}
LOGD("Read record type: %d", recordType);
switch (recordType) {
case IMAGE_DESC_RECORD_TYPE: {
if (DGifGetImageDesc(gifIn) == GIF_ERROR) {
LOGE("Could not read image descriptor (%d)", imageIndex);
return false;
}
// Sanity-check the current image position.
if (gifIn->Image.Left < 0 ||
gifIn->Image.Top < 0 ||
gifIn->Image.Left + gifIn->Image.Width > gifIn->SWidth ||
gifIn->Image.Top + gifIn->Image.Height > gifIn->SHeight) {
LOGE("GIF image extends beyond logical screen");
return false;
}
// Write the new image descriptor.
if (EGifPutImageDesc(gifOut,
0, // Left
0, // Top
gifOut->SWidth,
gifOut->SHeight,
false, // Interlace
gifIn->Image.ColorMap) == GIF_ERROR) {
LOGE("Could not write image descriptor (%d)", imageIndex);
return false;
}
// Read the image from the input GIF. The buffer is already initialized to the
// size of the GIF, which is usually equal to the size of all the images inside it.
// If not, the call to resize below ensures that the buffer is the right size.
srcBuffer.resize(gifIn->Image.Width * gifIn->Image.Height);
if (readImage(gifIn, srcBuffer.data()) == false) {
LOGE("Could not read image data (%d)", imageIndex);
return false;
}
LOGD("Read image data (%d)", imageIndex);
// Render the image from the input GIF.
if (renderImage(gifIn,
srcBuffer.data(),
imageIndex,
transparentColor,
renderBuffer.get(),
bgColor,
prevImageDimens,
prevImageDisposalMode) == false) {
LOGE("Could not render %d", imageIndex);
return false;
}
LOGD("Rendered image (%d)", imageIndex);
// Generate the image in the output GIF.
for (int y = 0; y < gifOut->SHeight; y++) {
for (int x = 0; x < gifOut->SWidth; x++) {
const GifByteType dstColorIndex = computeNewColorIndex(
gifIn, transparentColor, renderBuffer.get(), x, y);
*(dstRowBuffer.get() + x) = dstColorIndex;
}
if (EGifPutLine(gifOut, dstRowBuffer.get(), gifOut->SWidth) == GIF_ERROR) {
LOGE("Could not write raster data (%d)", imageIndex);
return false;
}
}
LOGD("Wrote raster data (%d)", imageIndex);
// Save the disposal mode for rendering the next image.
// We only support DISPOSE_DO_NOT and DISPOSE_BACKGROUND.
prevImageDisposalMode = disposalMode;
if (prevImageDisposalMode == DISPOSAL_UNSPECIFIED) {
prevImageDisposalMode = DISPOSE_DO_NOT;
} else if (prevImageDisposalMode == DISPOSE_PREVIOUS) {
prevImageDisposalMode = DISPOSE_BACKGROUND;
}
if (prevImageDisposalMode == DISPOSE_BACKGROUND) {
prevImageDimens.Left = gifIn->Image.Left;
prevImageDimens.Top = gifIn->Image.Top;
prevImageDimens.Width = gifIn->Image.Width;
prevImageDimens.Height = gifIn->Image.Height;
}
if (gifOut->Image.ColorMap) {
GifFreeMapObject(gifOut->Image.ColorMap);
gifOut->Image.ColorMap = NULL;
}
imageIndex++;
} break;
case EXTENSION_RECORD_TYPE: {
int extCode;
GifByteType* ext;
if (DGifGetExtension(gifIn, &extCode, &ext) == GIF_ERROR) {
LOGE("Could not read extension block");
return false;
}
LOGD("Read extension block, code: %d", extCode);
if (extCode == GRAPHICS_EXT_FUNC_CODE) {
GraphicsControlBlock gcb;
if (DGifExtensionToGCB(ext[0], ext + 1, &gcb) == GIF_ERROR) {
LOGE("Could not interpret GCB extension");
return false;
}
transparentColor = gcb.TransparentColor;
// This logic for setting the background color based on the first GCB
// doesn't quite match the GIF spec, but empirically it seems to work and it
// matches what libframesequence (Rastermill) does.
if (imageIndex == 0 && gifIn->SColorMap) {
if (gcb.TransparentColor == NO_TRANSPARENT_COLOR) {
GifColorType bgColorIndex =
gifIn->SColorMap->Colors[gifIn->SBackGroundColor];
bgColor = gifColorToColorARGB(bgColorIndex);
LOGD("Set background color based on first GCB");
}
}
// Record the original disposal mode and then update it.
disposalMode = gcb.DisposalMode;
gcb.DisposalMode = DISPOSE_BACKGROUND;
EGifGCBToExtension(&gcb, ext + 1);
}
if (EGifPutExtensionLeader(gifOut, extCode) == GIF_ERROR) {
LOGE("Could not write extension leader");
return false;
}
if (EGifPutExtensionBlock(gifOut, ext[0], ext + 1) == GIF_ERROR) {
LOGE("Could not write extension block");
return false;
}
LOGD("Wrote extension block");
while (ext != NULL) {
if (DGifGetExtensionNext(gifIn, &ext) == GIF_ERROR) {
LOGE("Could not read extension continuation");
return false;
}
if (ext != NULL) {
LOGD("Read extension continuation");
if (EGifPutExtensionBlock(gifOut, ext[0], ext + 1) == GIF_ERROR) {
LOGE("Could not write extension continuation");
return false;
}
LOGD("Wrote extension continuation");
}
}
if (EGifPutExtensionTrailer(gifOut) == GIF_ERROR) {
LOGE("Could not write extension trailer");
return false;
}
} break;
}
} while (recordType != TERMINATE_RECORD_TYPE);
LOGD("No more records");
return true;
}
