59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "ArPlaybackReader.hpp"
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#if __has_include("turbojpeg.h")
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#include <turbojpeg.h>
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namespace OpenVulkano::AR::Playback
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{
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ColorImg ArPlaybackReader::ReadColorImage()
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{
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ColorImg img;
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auto file = m_archiveColor.GetNextFile();
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long unsigned int jpegSize = file->second.Size();
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unsigned char* compressedImage = reinterpret_cast<uint8_t*>(file->second.Data());
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int jpegSubsamp;
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tjhandle jpegDecompressor = tjInitDecompress();
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tjDecompressHeader2(jpegDecompressor, compressedImage, jpegSize, &img.cols, &img.rows, &jpegSubsamp);
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img.channels = 4;
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img.dataPtr = std::shared_ptr<uint8_t>(new uint8_t[img.cols * img.rows * img.channels]);
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img.data = img.dataPtr.get();
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//TODO is it better to not map to rgb? to keep the same pipeline as on device
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tjDecompress2(jpegDecompressor, compressedImage, jpegSize, img.data, img.cols, 0/*pitch*/, img.rows, TJPF_RGBA, TJFLAG_FASTDCT);
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tjDestroy(jpegDecompressor);
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//auto buff = new uint8_t[img.cols * img.rows * 3];
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//YuvUtils::NV12FromChromaPlanes(buff, img.data + (img.cols * img.rows), img.cols * img.rows / 4);
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return img;
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}
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}
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#else
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#define STB_IMAGE_IMPLEMENTATION
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#include <stb_image.h>
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namespace OpenVulkano::AR::Playback
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{
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ColorImg ArPlaybackReader::ReadColorImage()
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{
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ColorImg img;
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auto file = m_archiveColor.GetNextFile();
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img.dataPtr = std::shared_ptr<uint8_t>(
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stbi_load_from_memory(reinterpret_cast<stbi_uc*>(file->second.Data()), file->second.Size(), &img.cols, &img.rows, &img.channels, 3),
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&stbi_image_free);
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img.data = img.dataPtr.get();
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return img;
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}
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}
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#endif |