From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- dom/canvas/ImageBitmapUtils.cpp | 2778 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 2778 insertions(+) create mode 100644 dom/canvas/ImageBitmapUtils.cpp (limited to 'dom/canvas/ImageBitmapUtils.cpp') diff --git a/dom/canvas/ImageBitmapUtils.cpp b/dom/canvas/ImageBitmapUtils.cpp new file mode 100644 index 000000000..7f2f36876 --- /dev/null +++ b/dom/canvas/ImageBitmapUtils.cpp @@ -0,0 +1,2778 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim:set ts=2 sw=2 sts=2 et cindent: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "ImageBitmapUtils.h" +#include "ImageBitmapColorUtils.h" +#include "ImageContainer.h" +#include "libyuv.h" +#include "mozilla/dom/ImageBitmapBinding.h" +#include "mozilla/Function.h" +#include "mozilla/gfx/2D.h" + +using namespace libyuv; +using namespace mozilla::gfx; + +namespace mozilla { +namespace dom { +namespace imagebitmapformat { + +class Utils; +class Utils_RGBA32; +class Utils_BGRA32; +class Utils_RGB24; +class Utils_BGR24; +class Utils_Gray8; +class Utils_YUV444P; +class Utils_YUV422P; +class Utils_YUV420P; +class Utils_YUV420SP_NV12; +class Utils_YUV420SP_NV21; +class Utils_HSV; +class Utils_Lab; +class Utils_Depth; + +static int GetBytesPerPixelValue(ChannelPixelLayoutDataType aDataType) +{ + switch (aDataType) + { + case ChannelPixelLayoutDataType::Uint8: + return sizeof(uint8_t); + case ChannelPixelLayoutDataType::Int8: + return sizeof(int8_t); + case ChannelPixelLayoutDataType::Uint16: + return sizeof(uint16_t); + case ChannelPixelLayoutDataType::Int16: + return sizeof(int16_t); + case ChannelPixelLayoutDataType::Uint32: + return sizeof(uint32_t); + case ChannelPixelLayoutDataType::Int32: + return sizeof(int32_t); + case ChannelPixelLayoutDataType::Float32: + return sizeof(float); + case ChannelPixelLayoutDataType::Float64: + return sizeof(double); + default: + return 0; + } +} + +/* + * The UtilsUniquePtr is a UniquePtr to ImageBitmapFormatUtils with a customized + * deleter which does nothing. This is used as the return type of + * ImageBitmapFormatUtils::GetUtils to prevent users deleting the returned + * pointer. + */ +struct DoNotDelete { void operator()(void* p) {} }; +using UtilsUniquePtr = UniquePtr; + +/* + * ImageBitmapFormatUtils is an abstract class which provides interfaces to + * extract information of each ImageBitmapFormat and interfaces to convert + * image data between different ImageBitmapFormats. For each kind of + * ImageBitmapFromat, we derive a subclass from the ImageBitmapFormatUtils to + * implement functionalities that are subject to the specific ImageBitmapFormat. + * + * ImageBitmapFormatUtils is an abstract class and its sub-classes are designed + * as singletons. The singleton instance of sub-classes could be initialized and + * accessed via the ImageBitmapFormatUtils::GetUtils() static method. The + * singleton instance is a static local variable which does not need to be + * released manually and, with the C++11 static initialization, the + * initialization is thread-safe. + * + * ImageBitmapFormatUtils and its sub-classes are designed to unify operations + * of ImageBitmap-extensions over different kinds of ImageBitmapFormats; they + * provide following functionalities: + * + * (1) Create default/customized ImagePixelLayout object of each kind of + * ImageBitmapFormat. + * (2) Store the channel counts of each ImageBitmapFormat. + * (3) Calculate the needed buffer size of each kind of ImageBitmapFormat with + * given width, height and stride. + * (4) Perform color conversion between supported ImageBitmapFormats. We use + * _double dispatching_ to identify the source format and destination format + * at run time. The _double dispatching_ here is mainly implemented by + * overriding the _convertTo_ method over the ImageBitmapFormatUtils class + * hierarchy and overloading the _convertFrom_ methods over all sub-classes + * of ImageBitmapFormatUtils. + */ +class Utils +{ +public: + // Get the singleton utility instance of the given ImageBitmapFormat. + static UtilsUniquePtr GetUtils(ImageBitmapFormat aFormat); + + // Get the needed buffer size to store image data in the current + // ImageBitmapFormat with the given width and height. + // The current ImageBitmapFormat is the format used to implement the concrete + // subclass of which the current instance is initialized. + virtual uint32_t NeededBufferSize(uint32_t width, uint32_t height) = 0; + + // Creates a default ImagePixelLayout object of the current ImageBitmapFormat + // with the given width, height and stride. + virtual UniquePtr + CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) = 0; + + // Convert the source image data (stored in the aSrcBuffer and described by + // the aSrcLayout) from the current ImageBitmapFormat to the given + // ImageBitmapFormat, aDstFormat. + // The converted image data is stored in the aDstBuffer and described by the + // returned ImagePixelLayout object. + virtual UniquePtr + ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + // ConvertFrom(): + // Convert the source image data (which is in the aSrcFormat format, the pixel + // layout is described by the aSrcLayout and the raw data is stored in the + // aSrcBuffer) to the current ImageBitmapFormat. + // The converted image data is stored in the aDstBuffer and described by the + // returned ImagePixelLayout object. + virtual UniquePtr + ConvertFrom(Utils_RGBA32* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_BGRA32* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_RGB24* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_BGR24* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_YUV444P* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_YUV422P* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_YUV420P* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_YUV420SP_NV12* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_YUV420SP_NV21* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_HSV* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_Lab* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + virtual UniquePtr + ConvertFrom(Utils_Depth* aSrcFormat, const uint8_t* aSrcBuffer, const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) = 0; + + // Check whether or not the current ImageBitmapFormat can be converted from + // the given ImageBitmapFormat. + virtual bool + CanConvertFrom(ImageBitmapFormat aSrcFormat) = 0; + + // Get the number of channels. + uint8_t GetChannelCount() const + { + return mChannels; + } + +protected: + Utils(uint32_t aChannels, + ChannelPixelLayoutDataType aDataType) + : mChannels(aChannels) + , mBytesPerPixelValue(GetBytesPerPixelValue(aDataType)) + , mDataType(aDataType) + { + } + + virtual ~Utils() + { + } + + const uint8_t mChannels; + const int mBytesPerPixelValue; + const ChannelPixelLayoutDataType mDataType; +}; + +#define DECLARE_Utils(NAME) \ +class Utils_ ## NAME : public Utils \ +{ \ +private: \ + explicit Utils_ ## NAME (); \ + ~Utils_ ## NAME () = default; \ + Utils_ ## NAME (Utils_ ## NAME const &) = delete; \ + Utils_ ## NAME (Utils_ ## NAME &&) = delete; \ + Utils_ ## NAME & operator=(Utils_ ## NAME const &) = delete; \ + Utils_ ## NAME & operator=(Utils_ ## NAME &&) = delete; \ + \ +public: \ + static Utils_ ## NAME & GetInstance(); \ + \ + virtual uint32_t NeededBufferSize(uint32_t aWidth, uint32_t aHeight) override; \ + \ + virtual UniquePtr \ + CreateDefaultLayout(uint32_t, uint32_t, uint32_t) override; \ + \ + virtual UniquePtr \ + ConvertTo(Utils*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_RGBA32*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_BGRA32*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_RGB24*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_BGR24*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_Gray8*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_YUV444P*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_YUV422P*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_YUV420P*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_YUV420SP_NV12*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_YUV420SP_NV21*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_HSV*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_Lab*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual UniquePtr \ + ConvertFrom(Utils_Depth*, const uint8_t*, const ImagePixelLayout*, uint8_t*) override; \ + \ + virtual bool \ + CanConvertFrom(ImageBitmapFormat) override; \ +}; + +DECLARE_Utils(RGBA32) +DECLARE_Utils(BGRA32) +DECLARE_Utils(RGB24) +DECLARE_Utils(BGR24) +DECLARE_Utils(Gray8) +DECLARE_Utils(YUV444P) +DECLARE_Utils(YUV422P) +DECLARE_Utils(YUV420P) +DECLARE_Utils(YUV420SP_NV12) +DECLARE_Utils(YUV420SP_NV21) +DECLARE_Utils(HSV) +DECLARE_Utils(Lab) +DECLARE_Utils(Depth) + +#undef DECLARE_Utils + +/* + * ImageBitmapFormatUtils. + */ +/* static */ UtilsUniquePtr +Utils::GetUtils(ImageBitmapFormat aFormat) +{ + switch(aFormat) + { + case ImageBitmapFormat::RGBA32: + return UtilsUniquePtr(&Utils_RGBA32::GetInstance()); + case ImageBitmapFormat::BGRA32: + return UtilsUniquePtr(&Utils_BGRA32::GetInstance()); + case ImageBitmapFormat::RGB24: + return UtilsUniquePtr(&Utils_RGB24::GetInstance()); + case ImageBitmapFormat::BGR24: + return UtilsUniquePtr(&Utils_BGR24::GetInstance()); + case ImageBitmapFormat::GRAY8: + return UtilsUniquePtr(&Utils_Gray8::GetInstance()); + case ImageBitmapFormat::YUV444P: + return UtilsUniquePtr(&Utils_YUV444P::GetInstance()); + case ImageBitmapFormat::YUV422P: + return UtilsUniquePtr(&Utils_YUV422P::GetInstance()); + case ImageBitmapFormat::YUV420P: + return UtilsUniquePtr(&Utils_YUV420P::GetInstance()); + case ImageBitmapFormat::YUV420SP_NV12: + return UtilsUniquePtr(&Utils_YUV420SP_NV12::GetInstance()); + case ImageBitmapFormat::YUV420SP_NV21: + return UtilsUniquePtr(&Utils_YUV420SP_NV21::GetInstance()); + case ImageBitmapFormat::HSV: + return UtilsUniquePtr(&Utils_HSV::GetInstance()); + case ImageBitmapFormat::Lab: + return UtilsUniquePtr(&Utils_Lab::GetInstance()); + case ImageBitmapFormat::DEPTH: + return UtilsUniquePtr(&Utils_Depth::GetInstance()); + default: + return nullptr; + } +} + +/* + * Helper functions. + */ +template +static UniquePtr +CvtSimpleImgToSimpleImg(Utils* aSrcUtils, const SrcType* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, DstType* aDstBuffer, + ImageBitmapFormat aDstFormat, int aDstChannelCount, + mozilla::function converter) +{ + MOZ_ASSERT(aSrcUtils, "Convert color from a null utility object."); + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + const nsTArray& channels = *aSrcLayout; + MOZ_ASSERT(channels.Length() == aSrcUtils->GetChannelCount(), + "The channel count is wrong."); + + const int dstStride = channels[0].mWidth * aDstChannelCount * sizeof(DstType); + int rv = converter(aSrcBuffer, channels[0].mStride, + aDstBuffer, dstStride, + channels[0].mWidth, channels[0].mHeight); + + if (NS_WARN_IF(rv != 0)) { + return nullptr; + } + + return CreateDefaultPixelLayout(aDstFormat, channels[0].mWidth, + channels[0].mHeight, dstStride); +} + +static UniquePtr +CvtYUVImgToSimpleImg(Utils* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer, + ImageBitmapFormat aDstFormat, int aDstChannelCount, + mozilla::function converter) +{ + MOZ_ASSERT(aSrcUtils, "Convert color from a null utility object."); + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + const nsTArray& channels = *aSrcLayout; + MOZ_ASSERT(channels.Length() == aSrcUtils->GetChannelCount(), + "The channel count is wrong."); + + const int dstStride = channels[0].mWidth * aDstChannelCount * sizeof(uint8_t); + int rv = converter(aSrcBuffer + channels[0].mOffset, channels[0].mStride, + aSrcBuffer + channels[1].mOffset, channels[1].mStride, + aSrcBuffer + channels[2].mOffset, channels[2].mStride, + aDstBuffer, dstStride, + channels[0].mWidth, channels[0].mHeight); + + if (NS_WARN_IF(rv != 0)) { + return nullptr; + } + + return CreateDefaultPixelLayout(aDstFormat, channels[0].mWidth, + channels[0].mHeight, dstStride); +} + +static UniquePtr +CvtNVImgToSimpleImg(Utils* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer, + ImageBitmapFormat aDstFormat, int aDstChannelCount, + mozilla::function converter) +{ + MOZ_ASSERT(aSrcUtils, "Convert color from a null utility object."); + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + const nsTArray& channels = *aSrcLayout; + MOZ_ASSERT(channels.Length() == aSrcUtils->GetChannelCount(), + "The channel count is wrong."); + + const int dstStride = channels[0].mWidth * aDstChannelCount * sizeof(uint8_t); + int rv = converter(aSrcBuffer + channels[0].mOffset, channels[0].mStride, + aSrcBuffer + channels[1].mOffset, channels[1].mStride, + aDstBuffer, dstStride, + channels[0].mWidth, channels[0].mHeight); + + if (NS_WARN_IF(rv != 0)) { + return nullptr; + } + + return CreateDefaultPixelLayout(aDstFormat, channels[0].mWidth, + channels[0].mHeight, dstStride); +} + +static UniquePtr +CvtSimpleImgToYUVImg(Utils* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer, + ImageBitmapFormat aDstFormat, + mozilla::function converter) +{ + MOZ_ASSERT(aSrcUtils, "Convert color from a null utility object."); + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultPixelLayout(aDstFormat, (*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout."); + + const nsTArray& channels = *layout; + + int rv = converter(aSrcBuffer, (*aSrcLayout)[0].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + aDstBuffer + channels[2].mOffset, channels[2].mStride, + channels[0].mWidth, channels[0].mHeight); + + if (NS_WARN_IF(rv != 0)) { + return nullptr; + } + + return layout; +} + +static UniquePtr +CvtSimpleImgToNVImg(Utils* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer, + ImageBitmapFormat aDstFormat, + mozilla::function converter) +{ + MOZ_ASSERT(aSrcUtils, "Convert color from a null utility object."); + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultPixelLayout(aDstFormat, (*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout."); + + const nsTArray& channels = *layout; + + int rv = converter(aSrcBuffer, (*aSrcLayout)[0].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + channels[0].mWidth, channels[0].mHeight); + + if (NS_WARN_IF(rv != 0)) { + return nullptr; + } + + return layout; +} + +template +static UniquePtr +TwoPassConversion(SrcUtilsType* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer, + ImageBitmapFormat aMiddleFormat, DstUtilsType* aDstUtils) +{ + MOZ_ASSERT(aSrcUtils, "Convert color from a null source utility."); + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + // I444 -> I420 -> I422 + UtilsUniquePtr yuv420PUtils = Utils::GetUtils(aMiddleFormat); + UniquePtr yuv420PBuffer(new uint8_t[yuv420PUtils->NeededBufferSize((*aSrcLayout)[0].mWidth, (*aSrcLayout)[0].mHeight)]); + UniquePtr yuv420PLayout = yuv420PUtils->ConvertFrom(aSrcUtils, aSrcBuffer, aSrcLayout, yuv420PBuffer.get()); + return yuv420PUtils->ConvertTo(aDstUtils, yuv420PBuffer.get(), yuv420PLayout.get(), aDstBuffer); +} + +static UniquePtr +PureCopy(Utils* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer, + ImageBitmapFormat aDstFormat) +{ + MOZ_ASSERT(aSrcUtils, "Convert color from a null utility object."); + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + const nsTArray& channels = *aSrcLayout; + MOZ_ASSERT(channels.Length() == aSrcUtils->GetChannelCount(), + "The channel count is wrong."); + + + uint32_t length = 0; + + if (aDstFormat == ImageBitmapFormat::RGBA32 || + aDstFormat == ImageBitmapFormat::BGRA32 || + aDstFormat == ImageBitmapFormat::RGB24 || + aDstFormat == ImageBitmapFormat::BGR24 || + aDstFormat == ImageBitmapFormat::GRAY8 || + aDstFormat == ImageBitmapFormat::HSV || + aDstFormat == ImageBitmapFormat::Lab || + aDstFormat == ImageBitmapFormat::DEPTH) { + length = channels[0].mHeight * channels[0].mStride; + } else if (aDstFormat == ImageBitmapFormat::YUV444P || + aDstFormat == ImageBitmapFormat::YUV422P || + aDstFormat == ImageBitmapFormat::YUV420P) { + length = channels[0].mHeight * channels[0].mStride + + channels[1].mHeight * channels[1].mStride + + channels[2].mHeight * channels[2].mStride; + } else if (aDstFormat == ImageBitmapFormat::YUV420SP_NV12 || + aDstFormat == ImageBitmapFormat::YUV420SP_NV21) { + length = channels[0].mHeight * channels[0].mStride + + channels[1].mHeight * channels[1].mStride; + } + + memcpy(aDstBuffer, aSrcBuffer, length); + + UniquePtr layout(new ImagePixelLayout(*aSrcLayout)); + return layout; +} + +UniquePtr +CreateDefaultLayoutForSimpleImage(uint32_t aWidth, uint32_t aHeight, + uint32_t aStride, int aChannels, + int aBytesPerPixelValue, + ChannelPixelLayoutDataType aDataType) +{ + UniquePtr layout(new ImagePixelLayout(aChannels)); + + // set mChannels + for (uint8_t i = 0; i < aChannels; ++i) { + ChannelPixelLayout* channel = layout->AppendElement(); + channel->mOffset = i * aBytesPerPixelValue; + channel->mWidth = aWidth; + channel->mHeight = aHeight; + channel->mDataType = aDataType; //ChannelPixelLayoutDataType::Uint8; + channel->mStride = aStride; + channel->mSkip = aChannels - 1; + } + + return layout; +} + +/* + * Utils_RGBA32. + */ +/* static */Utils_RGBA32& +Utils_RGBA32::GetInstance() +{ + static Utils_RGBA32 instance; + return instance; +} + +Utils_RGBA32::Utils_RGBA32() +: Utils(4, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_RGBA32::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * (uint32_t)mChannels * mBytesPerPixelValue; +} + +UniquePtr +Utils_RGBA32::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_RGBA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_BGRA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &libyuv::ABGRToARGB); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_RGB24* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &RGB24ToRGBA32); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_BGR24* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &BGR24ToRGBA32); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &YUV444PToRGBA32); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &YUV422PToRGBA32); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_YUV420P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &libyuv::I420ToABGR); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &NV12ToRGBA32); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &NV21ToRGBA32); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_HSV* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, (const float*)aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &HSVToRGBA32); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_Lab* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, (const float*)aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGBA32, 4, &LabToRGBA32); +} + +UniquePtr +Utils_RGBA32::ConvertFrom(Utils_Depth* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_RGBA32::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_RGBA32::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + return CreateDefaultLayoutForSimpleImage(aWidth, aHeight, aStride, mChannels, mBytesPerPixelValue, mDataType); +} + +/* + * Utils_BGRA32. + */ +/* static */Utils_BGRA32& +Utils_BGRA32::GetInstance() +{ + static Utils_BGRA32 instance; + return instance; +} + +Utils_BGRA32::Utils_BGRA32() +: Utils(4, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_BGRA32::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * (uint32_t)mChannels * mBytesPerPixelValue; +} + +UniquePtr +Utils_BGRA32::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_RGBA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &libyuv::ABGRToARGB); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_BGRA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_RGB24* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &RGB24ToBGRA32); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_BGR24* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &BGR24ToBGRA32); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &YUV444PToBGRA32); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &libyuv::I422ToARGB); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_YUV420P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &libyuv::I420ToARGB); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &libyuv::NV12ToARGB); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &libyuv::NV21ToARGB); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_HSV* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, (const float*)aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &HSVToBGRA32); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_Lab* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, (const float*)aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGRA32, 4, &LabToBGRA32); +} + +UniquePtr +Utils_BGRA32::ConvertFrom(Utils_Depth* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_BGRA32::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::RGBA32 || + aSrcFormat == ImageBitmapFormat::BGRA32 || + aSrcFormat == ImageBitmapFormat::YUV420P) { + return true; + } + + return false; +} + +UniquePtr +Utils_BGRA32::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + return CreateDefaultLayoutForSimpleImage(aWidth, aHeight, aStride, mChannels, mBytesPerPixelValue, mDataType); +} + +/* + * Utils_RGB24. + */ +/* static */Utils_RGB24& +Utils_RGB24::GetInstance() +{ + static Utils_RGB24 instance; + return instance; +} + +Utils_RGB24::Utils_RGB24() +: Utils(3, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_RGB24::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * (uint32_t)mChannels * mBytesPerPixelValue; +} + +UniquePtr +Utils_RGB24::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_RGBA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &RGBA32ToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_BGRA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &BGRA32ToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &BGR24ToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &YUV444PToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &YUV422PToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_YUV420P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &YUV420PToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &NV12ToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &NV21ToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_HSV* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, (const float*)aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &HSVToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_Lab* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, (const float*)aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, 3, &LabToRGB24); +} + +UniquePtr +Utils_RGB24::ConvertFrom(Utils_Depth* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_RGB24::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_RGB24::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + return CreateDefaultLayoutForSimpleImage(aWidth, aHeight, aStride, mChannels, mBytesPerPixelValue, mDataType); +} + +/* + * Utils_BGR24. + */ +/* static */Utils_BGR24& +Utils_BGR24::GetInstance() +{ + static Utils_BGR24 instance; + return instance; +} + +Utils_BGR24::Utils_BGR24() +: Utils(3, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_BGR24::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * (uint32_t)mChannels * mBytesPerPixelValue; +} + +UniquePtr +Utils_BGR24::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_RGBA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &RGBA32ToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_BGRA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &BGRA32ToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &RGB24ToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &YUV444PToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &YUV422PToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_YUV420P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &YUV420PToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &NV12ToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &NV21ToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_HSV* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, (const float*)aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &HSVToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_Lab* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, (const float*)aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::BGR24, 3, &LabToBGR24); +} + +UniquePtr +Utils_BGR24::ConvertFrom(Utils_Depth* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_BGR24::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_BGR24::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + return CreateDefaultLayoutForSimpleImage(aWidth, aHeight, aStride, mChannels, mBytesPerPixelValue, mDataType); +} + +/* + * Utils_Gray8. + */ +/* static */Utils_Gray8& +Utils_Gray8::GetInstance() +{ + static Utils_Gray8 instance; + return instance; +} + +Utils_Gray8::Utils_Gray8() +: Utils(1, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_Gray8::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * (uint32_t)mChannels * mBytesPerPixelValue; +} + +UniquePtr +Utils_Gray8::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_RGBA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8, 1, &RGBA32ToGray8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_BGRA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8, 1, &BGRA32ToGray8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8, 1, &RGB24ToGray8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8, 1, &BGR24ToGray8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_Gray8* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8, 1, &YUV444PToGray8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8, 1, &YUV422PToGray8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_YUV420P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtYUVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8, 1, &YUV420PToGray8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8, 1, &NV12ToGray8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtNVImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::GRAY8, 1, &NV21ToGray8); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_HSV* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_Lab* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_Gray8::ConvertFrom(Utils_Depth* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_Gray8::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_Gray8::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + return CreateDefaultLayoutForSimpleImage(aWidth, aHeight, aStride, mChannels, mBytesPerPixelValue, mDataType); +} + +/* + * class Utils_YUV444P. + */ +/* static */Utils_YUV444P& +Utils_YUV444P::GetInstance() +{ + static Utils_YUV444P instance; + return instance; +} + +Utils_YUV444P::Utils_YUV444P() +: Utils(3, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_YUV444P::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * (uint32_t)mChannels * mBytesPerPixelValue; +} + +UniquePtr +Utils_YUV444P::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_RGBA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV444P, &RGBA32ToYUV444P); +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_BGRA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV444P, &libyuv::ARGBToI444); +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV444P, &RGB24ToYUV444P); +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV444P, &BGR24ToYUV444P); +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV444P); +} + +// TODO: optimize me. +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_YUV420P*, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultLayout((*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, + (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout of YUV444P"); + + const nsTArray& channels = *layout; + + const nsTArray& srcChannels = *aSrcLayout; + + int rv = I420ToI444(aSrcBuffer + srcChannels[0].mOffset, srcChannels[0].mStride, + aSrcBuffer + srcChannels[1].mOffset, srcChannels[1].mStride, + aSrcBuffer + srcChannels[2].mOffset, srcChannels[2].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + aDstBuffer + channels[2].mOffset, channels[2].mStride, + channels[0].mWidth, channels[0].mHeight); + + if (NS_WARN_IF(rv != 0)) { + return nullptr; + } + + return layout; +} + +// TODO: optimize me. +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +// TODO: optimize me. +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_HSV* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_Lab* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV444P::ConvertFrom(Utils_Depth* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_YUV444P::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_YUV444P::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + UniquePtr layout(new ImagePixelLayout(mChannels)); + + // set mChannels + ChannelPixelLayout* ychannel = layout->AppendElement(); + ChannelPixelLayout* uchannel = layout->AppendElement(); + ChannelPixelLayout* vchannel = layout->AppendElement(); + ychannel->mOffset = 0; + ychannel->mWidth = aWidth; + ychannel->mHeight = aHeight; + ychannel->mDataType = ChannelPixelLayoutDataType::Uint8; + ychannel->mStride = aStride; + ychannel->mSkip = 0; // aYSkip; + + uchannel->mOffset = ychannel->mOffset + ychannel->mStride * ychannel->mHeight; + uchannel->mWidth = aWidth; + uchannel->mHeight = aHeight; + uchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + uchannel->mStride = aStride; + uchannel->mSkip = 0; // aUSkip; + + vchannel->mOffset = uchannel->mOffset + uchannel->mStride * uchannel->mHeight; + vchannel->mWidth = aWidth; + vchannel->mHeight = aHeight; + vchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + vchannel->mStride = aStride; + vchannel->mSkip = 0; // aVSkip; + + return layout; +} + +/* + * class Utils_YUV422P. + */ +/* static */Utils_YUV422P& +Utils_YUV422P::GetInstance() +{ + static Utils_YUV422P instance; + return instance; +} + +Utils_YUV422P::Utils_YUV422P() +: Utils(3, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_YUV422P::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * mBytesPerPixelValue + + 2 * ((aWidth + 1) / 2) * aHeight * mBytesPerPixelValue; +} + +UniquePtr +Utils_YUV422P::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_RGBA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV422P, &RGBA32ToYUV422P); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_BGRA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV422P, &libyuv::ARGBToI422); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV422P, &RGB24ToYUV422P); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV422P, &BGR24ToYUV422P); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +// TODO: optimize me. +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV422P); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_YUV420P*, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultLayout((*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, + (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout of YUV422P"); + + const nsTArray& channels = *layout; + + const nsTArray& srcChannels = *aSrcLayout; + + libyuv::I420ToI422(aSrcBuffer + srcChannels[0].mOffset, srcChannels[0].mStride, + aSrcBuffer + srcChannels[1].mOffset, srcChannels[1].mStride, + aSrcBuffer + srcChannels[2].mOffset, srcChannels[2].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + aDstBuffer + channels[2].mOffset, channels[2].mStride, + channels[0].mWidth, channels[0].mHeight); + + return layout; +} + +// TODO: optimize me. +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +// TODO: optimize me. +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_HSV* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_Lab* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV422P::ConvertFrom(Utils_Depth* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_YUV422P::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_YUV422P::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + UniquePtr layout(new ImagePixelLayout(mChannels)); + + // set mChannels + ChannelPixelLayout* ychannel = layout->AppendElement(); + ChannelPixelLayout* uchannel = layout->AppendElement(); + ChannelPixelLayout* vchannel = layout->AppendElement(); + ychannel->mOffset = 0; + ychannel->mWidth = aWidth; + ychannel->mHeight = aHeight; + ychannel->mDataType = ChannelPixelLayoutDataType::Uint8; + ychannel->mStride = aStride; + ychannel->mSkip = 0; // aYSkip; + + uchannel->mOffset = ychannel->mOffset + ychannel->mStride * ychannel->mHeight; + uchannel->mWidth = (aWidth + 1) / 2; + uchannel->mHeight = aHeight; + uchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + uchannel->mStride = (aStride + 1) / 2; + uchannel->mSkip = 0; // aUSkip; + + vchannel->mOffset = uchannel->mOffset + uchannel->mStride * uchannel->mHeight; + vchannel->mWidth = (aWidth + 1) / 2; + vchannel->mHeight = aHeight; + vchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + vchannel->mStride = (aStride + 1) / 2; + vchannel->mSkip = 0; // aVSkip; + + return layout; +} + +/* + * Utils_YUV420P. + */ +/* static */Utils_YUV420P& +Utils_YUV420P::GetInstance() +{ + static Utils_YUV420P instance; + return instance; +} + +Utils_YUV420P::Utils_YUV420P() +: Utils(3, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_YUV420P::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * mBytesPerPixelValue + + 2 * ((aWidth + 1) / 2) * ((aHeight + 1) / 2) * mBytesPerPixelValue; +} + +UniquePtr +Utils_YUV420P::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_RGBA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, &libyuv::ABGRToI420); +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_BGRA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, &libyuv::ARGBToI420); +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, &RGB24ToYUV420P); +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToYUVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, &BGR24ToYUV420P); +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_YUV444P*, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultLayout((*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, + (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout of YUV420P"); + + const nsTArray& channels = *layout; + + const nsTArray& srcChannels = *aSrcLayout; + + libyuv::I444ToI420(aSrcBuffer + srcChannels[0].mOffset, srcChannels[0].mStride, + aSrcBuffer + srcChannels[1].mOffset, srcChannels[1].mStride, + aSrcBuffer + srcChannels[2].mOffset, srcChannels[2].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + aDstBuffer + channels[2].mOffset, channels[2].mStride, + channels[0].mWidth, channels[0].mHeight); + + return layout; +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_YUV422P*, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultLayout((*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, + (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout of YUV420P"); + + const nsTArray& channels = *layout; + + const nsTArray& srcChannels = *aSrcLayout; + + libyuv::I422ToI420(aSrcBuffer + srcChannels[0].mOffset, srcChannels[0].mStride, + aSrcBuffer + srcChannels[1].mOffset, srcChannels[1].mStride, + aSrcBuffer + srcChannels[2].mOffset, srcChannels[2].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + aDstBuffer + channels[2].mOffset, channels[2].mStride, + channels[0].mWidth, channels[0].mHeight); + + return layout; +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_YUV420P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P); +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_YUV420SP_NV12*, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultLayout((*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, + (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout of YUV420P"); + + const nsTArray& channels = *layout; + + const nsTArray& srcChannels = *aSrcLayout; + + libyuv::NV12ToI420(aSrcBuffer + srcChannels[0].mOffset, srcChannels[0].mStride, + aSrcBuffer + srcChannels[1].mOffset, srcChannels[1].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + aDstBuffer + channels[2].mOffset, channels[2].mStride, + channels[0].mWidth, channels[0].mHeight); + + return layout; +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_YUV420SP_NV21*, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultLayout((*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, + (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout of YUV420P"); + + const nsTArray& channels = *layout; + + const nsTArray& srcChannels = *aSrcLayout; + + libyuv::NV21ToI420(aSrcBuffer + srcChannels[0].mOffset, srcChannels[0].mStride, + aSrcBuffer + srcChannels[1].mOffset, srcChannels[1].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + aDstBuffer + channels[2].mOffset, channels[2].mStride, + channels[0].mWidth, channels[0].mHeight); + + return layout; +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_HSV* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_Lab* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV420P::ConvertFrom(Utils_Depth* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_YUV420P::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_YUV420P::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + UniquePtr layout(new ImagePixelLayout(mChannels)); + + // set mChannels + ChannelPixelLayout* ychannel = layout->AppendElement(); + ChannelPixelLayout* uchannel = layout->AppendElement(); + ChannelPixelLayout* vchannel = layout->AppendElement(); + ychannel->mOffset = 0; + ychannel->mWidth = aWidth; + ychannel->mHeight = aHeight; + ychannel->mDataType = ChannelPixelLayoutDataType::Uint8; + ychannel->mStride = aStride; + ychannel->mSkip = 0; // aYSkip; + + uchannel->mOffset = ychannel->mOffset + ychannel->mStride * ychannel->mHeight; + uchannel->mWidth = (aWidth + 1) / 2; + uchannel->mHeight = (aHeight + 1) / 2; + uchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + uchannel->mStride = (aStride + 1) / 2; + uchannel->mSkip = 0; // aUSkip; + + vchannel->mOffset = uchannel->mOffset + uchannel->mStride * uchannel->mHeight; + vchannel->mWidth = (aWidth + 1) / 2; + vchannel->mHeight = (aHeight + 1) / 2; + vchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + vchannel->mStride = (aStride + 1) / 2; + vchannel->mSkip = 0; // aVSkip; + + return layout; +} + +/* + * class Utils_YUV420SP_NV12. + */ +/* static */Utils_YUV420SP_NV12& +Utils_YUV420SP_NV12::GetInstance() +{ + static Utils_YUV420SP_NV12 instance; + return instance; +} + +Utils_YUV420SP_NV12::Utils_YUV420SP_NV12() +: Utils(3, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_YUV420SP_NV12::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * mBytesPerPixelValue + + 2 * ((aWidth + 1) / 2) * ((aHeight + 1) / 2) * mBytesPerPixelValue; +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_RGBA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToNVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV12, &RGBA32ToNV12); +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_BGRA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToNVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV12, &libyuv::ARGBToNV12); +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToNVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV12, &RGB24ToNV12); +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToNVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV12, &BGR24ToNV12); +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +// TODO: optimize me. +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +// TODO: optimize me. +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_YUV420P*, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultLayout((*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, + (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout of YUV420SP_NV12"); + + const nsTArray& channels = *layout; + + const nsTArray& srcChannels = *aSrcLayout; + + libyuv::I420ToNV12(aSrcBuffer + srcChannels[0].mOffset, srcChannels[0].mStride, + aSrcBuffer + srcChannels[1].mOffset, srcChannels[1].mStride, + aSrcBuffer + srcChannels[2].mOffset, srcChannels[2].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + channels[0].mWidth, channels[0].mHeight); + + return layout; +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV12); +} + +// TODO: optimize me. +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_HSV* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_Lab* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV420SP_NV12::ConvertFrom(Utils_Depth* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_YUV420SP_NV12::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_YUV420SP_NV12::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + UniquePtr layout(new ImagePixelLayout(mChannels)); + + // set mChannels + ChannelPixelLayout* ychannel = layout->AppendElement(); + ChannelPixelLayout* uchannel = layout->AppendElement(); + ChannelPixelLayout* vchannel = layout->AppendElement(); + ychannel->mOffset = 0; + ychannel->mWidth = aWidth; + ychannel->mHeight = aHeight; + ychannel->mDataType = ChannelPixelLayoutDataType::Uint8; + ychannel->mStride = aStride; + ychannel->mSkip = 0; // aYSkip; + + uchannel->mOffset = ychannel->mOffset + ychannel->mStride * ychannel->mHeight; + uchannel->mWidth = (aWidth + 1) / 2; + uchannel->mHeight = (aHeight + 1) / 2; + uchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + uchannel->mStride = uchannel->mWidth * 2; + uchannel->mSkip = 1; // aUSkip; + + vchannel->mOffset = ychannel->mOffset + ychannel->mStride * ychannel->mHeight + 1; + vchannel->mWidth = (aWidth + 1) / 2; + vchannel->mHeight = (aHeight + 1) / 2; + vchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + vchannel->mStride = vchannel->mWidth * 2; + vchannel->mSkip = 1; // aVSkip; + + return layout; +} + +/* + * class Utils_YUV420SP_NV21. + */ +/* static */Utils_YUV420SP_NV21& +Utils_YUV420SP_NV21::GetInstance() +{ + static Utils_YUV420SP_NV21 instance; + return instance; +} + +Utils_YUV420SP_NV21::Utils_YUV420SP_NV21() +: Utils(3, ChannelPixelLayoutDataType::Uint8) +{ +} + +uint32_t +Utils_YUV420SP_NV21::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * mBytesPerPixelValue + + 2 * ((aWidth + 1) / 2) * ((aHeight + 1) / 2) * mBytesPerPixelValue; +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_RGBA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToNVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV21, &RGBA32ToNV21); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_BGRA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToNVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV21, &libyuv::ARGBToNV21); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToNVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV21, &RGB24ToNV21); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToNVImg(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV21, &BGR24ToNV21); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +// TODO: optimize me. +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +// TODO: optimize me. +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_YUV420P*, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UniquePtr layout = + CreateDefaultLayout((*aSrcLayout)[0].mWidth, + (*aSrcLayout)[0].mHeight, + (*aSrcLayout)[0].mWidth); + + MOZ_ASSERT(layout, "Cannot create a ImagePixelLayout of YUV420SP_NV21"); + + const nsTArray& channels = *layout; + + const nsTArray& srcChannels = *aSrcLayout; + + libyuv::I420ToNV21(aSrcBuffer + srcChannels[0].mOffset, srcChannels[0].mStride, + aSrcBuffer + srcChannels[1].mOffset, srcChannels[1].mStride, + aSrcBuffer + srcChannels[2].mOffset, srcChannels[2].mStride, + aDstBuffer + channels[0].mOffset, channels[0].mStride, + aDstBuffer + channels[1].mOffset, channels[1].mStride, + channels[0].mWidth, channels[0].mHeight); + + return layout; +} + +// TODO: optimize me. +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420P, this); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::YUV420SP_NV21); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_HSV* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_Lab* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_YUV420SP_NV21::ConvertFrom(Utils_Depth* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_YUV420SP_NV21::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_YUV420SP_NV21::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + UniquePtr layout(new ImagePixelLayout(mChannels)); + + // set mChannels + ChannelPixelLayout* ychannel = layout->AppendElement(); + ChannelPixelLayout* vchannel = layout->AppendElement(); // v is the 2nd channel. + ChannelPixelLayout* uchannel = layout->AppendElement(); // u is the 3rd channel. + ychannel->mOffset = 0; + ychannel->mWidth = aWidth; + ychannel->mHeight = aHeight; + ychannel->mDataType = ChannelPixelLayoutDataType::Uint8; + ychannel->mStride = aStride; + ychannel->mSkip = 0; // aYSkip; + + vchannel->mOffset = ychannel->mOffset + ychannel->mStride * ychannel->mHeight; + vchannel->mWidth = (aWidth + 1) / 2; + vchannel->mHeight = (aHeight + 1) / 2; + vchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + vchannel->mStride = vchannel->mWidth * 2; + vchannel->mSkip = 1; // aVSkip; + + uchannel->mOffset = ychannel->mOffset + ychannel->mStride * ychannel->mHeight + 1; + uchannel->mWidth = (aWidth + 1) / 2; + uchannel->mHeight = (aHeight + 1) / 2; + uchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + uchannel->mStride = uchannel->mWidth * 2; + uchannel->mSkip = 1; // aUSkip; + + return layout; +} + +/* + * Utils_HSV. + */ +/* static */Utils_HSV& +Utils_HSV::GetInstance() +{ + static Utils_HSV instance; + return instance; +} + +Utils_HSV::Utils_HSV() +: Utils(3, ChannelPixelLayoutDataType::Float32) +{ +} + +uint32_t +Utils_HSV::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * (uint32_t)mChannels * mBytesPerPixelValue; +} + +UniquePtr +Utils_HSV::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_RGBA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, (float*)aDstBuffer, ImageBitmapFormat::HSV, 3, &RGBA32ToHSV); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_BGRA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcFormat, aSrcBuffer, aSrcLayout, (float*)aDstBuffer, ImageBitmapFormat::HSV, 3, &BGRA32ToHSV); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, (float*)aDstBuffer, ImageBitmapFormat::HSV, 3, &RGB24ToHSV); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, (float*)aDstBuffer, ImageBitmapFormat::HSV, 3, &BGR24ToHSV); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_YUV420P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_HSV* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::HSV); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_Lab* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_HSV::ConvertFrom(Utils_Depth* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_HSV::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_HSV::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + return CreateDefaultLayoutForSimpleImage(aWidth, aHeight, aStride, mChannels, mBytesPerPixelValue, mDataType); +} + +/* + * Utils_Lab. + */ +/* static */Utils_Lab& +Utils_Lab::GetInstance() +{ + static Utils_Lab instance; + return instance; +} + +Utils_Lab::Utils_Lab() +: Utils(3, ChannelPixelLayoutDataType::Float32) +{ +} + +uint32_t +Utils_Lab::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * (uint32_t)mChannels * mBytesPerPixelValue; +} + +UniquePtr +Utils_Lab::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_RGBA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, (float*)aDstBuffer, ImageBitmapFormat::Lab, 3, &RGBA32ToLab); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_BGRA32* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, (float*)aDstBuffer, ImageBitmapFormat::Lab, 3, &BGRA32ToLab); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, (float*)aDstBuffer, ImageBitmapFormat::Lab, 3, &RGB24ToLab); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return CvtSimpleImgToSimpleImg(aSrcUtils, aSrcBuffer, aSrcLayout, (float*)aDstBuffer, ImageBitmapFormat::Lab, 3, &BGR24ToLab); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_YUV420P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_HSV* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return TwoPassConversion(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::RGB24, this); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_Lab* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::Lab); +} + +UniquePtr +Utils_Lab::ConvertFrom(Utils_Depth* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +bool +Utils_Lab::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::GRAY8 || + aSrcFormat == ImageBitmapFormat::DEPTH) { + return false; + } + + return true; +} + +UniquePtr +Utils_Lab::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + return CreateDefaultLayoutForSimpleImage(aWidth, aHeight, aStride, mChannels, mBytesPerPixelValue, mDataType); +} + +/* + * Utils_Depth. + */ +/* static */Utils_Depth& +Utils_Depth::GetInstance() +{ + static Utils_Depth instance; + return instance; +} + +Utils_Depth::Utils_Depth() +: Utils(1, ChannelPixelLayoutDataType::Uint16) +{ +} + +uint32_t +Utils_Depth::NeededBufferSize(uint32_t aWidth, uint32_t aHeight) +{ + return aWidth * aHeight * (uint32_t)mChannels * mBytesPerPixelValue; +} + +UniquePtr +Utils_Depth::ConvertTo(Utils* aDstFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return aDstFormat->ConvertFrom(this, aSrcBuffer, aSrcLayout, aDstBuffer); +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_RGBA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_BGRA32* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_RGB24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_BGR24* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_Gray8* aSrcFormat, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_YUV444P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_YUV422P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_YUV420P* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_YUV420SP_NV12* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_YUV420SP_NV21* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_HSV* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_Lab* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return nullptr; +} + +UniquePtr +Utils_Depth::ConvertFrom(Utils_Depth* aSrcUtils, const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, uint8_t* aDstBuffer) +{ + return PureCopy(aSrcUtils, aSrcBuffer, aSrcLayout, aDstBuffer, ImageBitmapFormat::DEPTH); +} + +bool +Utils_Depth::CanConvertFrom(ImageBitmapFormat aSrcFormat) +{ + if (aSrcFormat == ImageBitmapFormat::DEPTH ) { + return true; + } + + return false; +} + +UniquePtr +Utils_Depth::CreateDefaultLayout(uint32_t aWidth, uint32_t aHeight, uint32_t aStride) +{ + return CreateDefaultLayoutForSimpleImage(aWidth, aHeight, aStride, mChannels, mBytesPerPixelValue, mDataType); +} + +} // namespace imagebitmapformat + +/* + * Global functions. + */ + +using namespace mozilla::dom::imagebitmapformat; + +UniquePtr +CreateDefaultPixelLayout(ImageBitmapFormat aFormat, uint32_t aWidth, + uint32_t aHeight, uint32_t aStride) +{ + UtilsUniquePtr format = Utils::GetUtils(aFormat); + MOZ_ASSERT(format, "Cannot get a valid ImageBitmapFormatUtils instance."); + + return format->CreateDefaultLayout(aWidth, aHeight, aStride); +} + +UniquePtr +CreatePixelLayoutFromPlanarYCbCrData(const layers::PlanarYCbCrData* aData) +{ + if (!aData) { + // something wrong + return nullptr; + } + + UniquePtr layout(new ImagePixelLayout(3)); + + ChannelPixelLayout* ychannel = layout->AppendElement(); + ChannelPixelLayout* uchannel = layout->AppendElement(); + ChannelPixelLayout* vchannel = layout->AppendElement(); + + ychannel->mOffset = 0; + + if (aData->mCrChannel - aData->mCbChannel > 0) { + uchannel->mOffset = ychannel->mOffset + (aData->mCbChannel - aData->mYChannel); + vchannel->mOffset = uchannel->mOffset + (aData->mCrChannel - aData->mCbChannel); + } else { + uchannel->mOffset = ychannel->mOffset + (aData->mCrChannel - aData->mYChannel); + vchannel->mOffset = uchannel->mOffset + (aData->mCbChannel - aData->mCrChannel); + } + + ychannel->mWidth = aData->mYSize.width; + ychannel->mHeight = aData->mYSize.height; + ychannel->mDataType = ChannelPixelLayoutDataType::Uint8; + ychannel->mStride = aData->mYStride; + ychannel->mSkip = aData->mYSkip; + + uchannel->mWidth = aData->mCbCrSize.width; + uchannel->mHeight = aData->mCbCrSize.height; + uchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + uchannel->mStride = aData->mCbCrStride; + uchannel->mSkip = aData->mCbSkip; + + vchannel->mWidth = aData->mCbCrSize.width; + vchannel->mHeight = aData->mCbCrSize.height; + vchannel->mDataType = ChannelPixelLayoutDataType::Uint8; + vchannel->mStride = aData->mCbCrStride; + vchannel->mSkip = aData->mCrSkip; + + return layout; +} + +uint8_t +GetChannelCountOfImageFormat(ImageBitmapFormat aFormat) +{ + UtilsUniquePtr format = Utils::GetUtils(aFormat); + MOZ_ASSERT(format, "Cannot get a valid ImageBitmapFormatUtils instance."); + + return format->GetChannelCount(); +} + +uint32_t +CalculateImageBufferSize(ImageBitmapFormat aFormat, + uint32_t aWidth, uint32_t aHeight) +{ + UtilsUniquePtr format = Utils::GetUtils(aFormat); + MOZ_ASSERT(format, "Cannot get a valid ImageBitmapFormatUtils instance."); + + return format->NeededBufferSize(aWidth, aHeight); +} + +UniquePtr +CopyAndConvertImageData(ImageBitmapFormat aSrcFormat, + const uint8_t* aSrcBuffer, + const ImagePixelLayout* aSrcLayout, + ImageBitmapFormat aDstFormat, + uint8_t* aDstBuffer) +{ + MOZ_ASSERT(aSrcBuffer, "Convert color from a null buffer."); + MOZ_ASSERT(aSrcLayout, "Convert color from a null layout."); + MOZ_ASSERT(aDstBuffer, "Convert color to a null buffer."); + + UtilsUniquePtr srcFormat = Utils::GetUtils(aSrcFormat); + UtilsUniquePtr dstFormat = Utils::GetUtils(aDstFormat); + MOZ_ASSERT(srcFormat, "Cannot get a valid ImageBitmapFormatUtils instance."); + MOZ_ASSERT(dstFormat, "Cannot get a valid ImageBitmapFormatUtils instance."); + + return srcFormat->ConvertTo(dstFormat.get(), aSrcBuffer, aSrcLayout, aDstBuffer); +} + +ImageBitmapFormat +FindBestMatchingFromat(ImageBitmapFormat aSrcFormat, + const Sequence& aCandidates) { + + for(auto& candidate : aCandidates) { + UtilsUniquePtr candidateFormat = Utils::GetUtils(candidate); + MOZ_ASSERT(candidateFormat, "Cannot get a valid ImageBitmapFormatUtils instance."); + + if (candidateFormat->CanConvertFrom(aSrcFormat)) { + return candidate; + } + } + + return ImageBitmapFormat::EndGuard_; +} + +} // namespace dom +} // namespace mozilla -- cgit v1.2.3