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Diffstat (limited to '')
| -rw-r--r-- | dom/media/ImageToI420.cpp | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/dom/media/ImageToI420.cpp b/dom/media/ImageToI420.cpp deleted file mode 100644 index 0f7976cb63..0000000000 --- a/dom/media/ImageToI420.cpp +++ /dev/null @@ -1,154 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-*/ -/* 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 "ImageToI420.h" - -#include "ImageContainer.h" -#include "libyuv/convert.h" -#include "mozilla/dom/ImageBitmapBinding.h" -#include "mozilla/dom/ImageUtils.h" -#include "mozilla/gfx/Point.h" -#include "mozilla/RefPtr.h" -#include "mozilla/Result.h" -#include "nsThreadUtils.h" - -using mozilla::ImageFormat; -using mozilla::dom::ImageBitmapFormat; -using mozilla::dom::ImageUtils; -using mozilla::gfx::DataSourceSurface; -using mozilla::gfx::SourceSurface; -using mozilla::gfx::SurfaceFormat; -using mozilla::layers::Image; -using mozilla::layers::PlanarYCbCrData; -using mozilla::layers::PlanarYCbCrImage; - -static const PlanarYCbCrData* GetPlanarYCbCrData(Image* aImage) { - switch (aImage->GetFormat()) { - case ImageFormat::PLANAR_YCBCR: - return aImage->AsPlanarYCbCrImage()->GetData(); - case ImageFormat::NV_IMAGE: - return aImage->AsNVImage()->GetData(); - default: - return nullptr; - } -} - -static already_AddRefed<SourceSurface> GetSourceSurface(Image* aImage) { - if (!aImage->AsGLImage() || NS_IsMainThread()) { - return aImage->GetAsSourceSurface(); - } - - // GLImage::GetAsSourceSurface() only supports main thread - RefPtr<SourceSurface> surf; - NS_DispatchAndSpinEventLoopUntilComplete( - "ImageToI420::GLImage::GetSourceSurface"_ns, - mozilla::GetMainThreadSerialEventTarget(), - NS_NewRunnableFunction( - "ImageToI420::GLImage::GetSourceSurface", - [&aImage, &surf]() { surf = aImage->GetAsSourceSurface(); })); - - return surf.forget(); -} - -static nsresult MapRv(int aRv) { - // Docs for libyuv::ConvertToI420 say: - // Returns 0 for successful; -1 for invalid parameter. Non-zero for failure. - switch (aRv) { - case 0: - return NS_OK; - case -1: - return NS_ERROR_INVALID_ARG; - default: - return NS_ERROR_FAILURE; - } -} - -namespace mozilla { - -nsresult ConvertToI420(Image* aImage, uint8_t* aDestY, int aDestStrideY, - uint8_t* aDestU, int aDestStrideU, uint8_t* aDestV, - int aDestStrideV) { - if (!aImage->IsValid()) { - return NS_ERROR_INVALID_ARG; - } - - if (const PlanarYCbCrData* data = GetPlanarYCbCrData(aImage)) { - const ImageUtils imageUtils(aImage); - Maybe<dom::ImageBitmapFormat> format = imageUtils.GetFormat(); - if (format.isNothing()) { - MOZ_ASSERT_UNREACHABLE("YUV format conversion not implemented"); - return NS_ERROR_NOT_IMPLEMENTED; - } - switch (format.value()) { - case ImageBitmapFormat::YUV420P: - return MapRv(libyuv::I420ToI420( - data->mYChannel, data->mYStride, data->mCbChannel, - data->mCbCrStride, data->mCrChannel, data->mCbCrStride, aDestY, - aDestStrideY, aDestU, aDestStrideU, aDestV, aDestStrideV, - aImage->GetSize().width, aImage->GetSize().height)); - case ImageBitmapFormat::YUV422P: - return MapRv(libyuv::I422ToI420( - data->mYChannel, data->mYStride, data->mCbChannel, - data->mCbCrStride, data->mCrChannel, data->mCbCrStride, aDestY, - aDestStrideY, aDestU, aDestStrideU, aDestV, aDestStrideV, - aImage->GetSize().width, aImage->GetSize().height)); - case ImageBitmapFormat::YUV444P: - return MapRv(libyuv::I444ToI420( - data->mYChannel, data->mYStride, data->mCbChannel, - data->mCbCrStride, data->mCrChannel, data->mCbCrStride, aDestY, - aDestStrideY, aDestU, aDestStrideU, aDestV, aDestStrideV, - aImage->GetSize().width, aImage->GetSize().height)); - case ImageBitmapFormat::YUV420SP_NV12: - return MapRv(libyuv::NV12ToI420( - data->mYChannel, data->mYStride, data->mCbChannel, - data->mCbCrStride, aDestY, aDestStrideY, aDestU, aDestStrideU, - aDestV, aDestStrideV, aImage->GetSize().width, - aImage->GetSize().height)); - case ImageBitmapFormat::YUV420SP_NV21: - return MapRv(libyuv::NV21ToI420( - data->mYChannel, data->mYStride, data->mCrChannel, - data->mCbCrStride, aDestY, aDestStrideY, aDestU, aDestStrideU, - aDestV, aDestStrideV, aImage->GetSize().width, - aImage->GetSize().height)); - default: - MOZ_ASSERT_UNREACHABLE("YUV format conversion not implemented"); - return NS_ERROR_NOT_IMPLEMENTED; - } - } - - RefPtr<SourceSurface> surf = GetSourceSurface(aImage); - if (!surf) { - return NS_ERROR_FAILURE; - } - - RefPtr<DataSourceSurface> data = surf->GetDataSurface(); - if (!data) { - return NS_ERROR_FAILURE; - } - - DataSourceSurface::ScopedMap map(data, DataSourceSurface::READ); - if (!map.IsMapped()) { - return NS_ERROR_FAILURE; - } - - switch (surf->GetFormat()) { - case SurfaceFormat::B8G8R8A8: - case SurfaceFormat::B8G8R8X8: - return MapRv(libyuv::ARGBToI420( - static_cast<uint8_t*>(map.GetData()), map.GetStride(), aDestY, - aDestStrideY, aDestU, aDestStrideU, aDestV, aDestStrideV, - aImage->GetSize().width, aImage->GetSize().height)); - case SurfaceFormat::R5G6B5_UINT16: - return MapRv(libyuv::RGB565ToI420( - static_cast<uint8_t*>(map.GetData()), map.GetStride(), aDestY, - aDestStrideY, aDestU, aDestStrideU, aDestV, aDestStrideV, - aImage->GetSize().width, aImage->GetSize().height)); - default: - MOZ_ASSERT_UNREACHABLE("Surface format conversion not implemented"); - return NS_ERROR_NOT_IMPLEMENTED; - } -} - -} // namespace mozilla |