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96 lines
2.2 KiB
C++
96 lines
2.2 KiB
C++
// Copyright 2019, Collabora, Ltd.
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// SPDX-License-Identifier: BSL-1.0
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/*!
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* @file
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* @brief Code to build conversion tables and convert images.
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* @author Jakob Bornecrantz <jakob@collabora.com>
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* @ingroup aux_tracking
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*/
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#include "tracking/t_tracking.h"
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#include <opencv2/opencv.hpp>
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/*
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*
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* 'Exported' functions.
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*
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*/
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extern "C" void
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t_convert_fill_table(struct t_convert_table *t)
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{
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for (int y = 0; y < 256; y++) {
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for (int u = 0; u < 256; u++) {
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uint8_t *dst = &t->v[y][u][0][0];
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for (int v = 0; v < 256; v++) {
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dst[0] = y;
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dst[1] = u;
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dst[2] = v;
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dst += 3;
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}
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}
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}
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}
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extern "C" void
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t_convert_make_y8u8v8_to_r8g8b8(struct t_convert_table *t)
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{
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size_t size = 256 * 256 * 256;
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t_convert_fill_table(t);
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t_convert_in_place_y8u8v8_to_r8g8b8(size, 1, 0, t);
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}
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extern "C" void
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t_convert_make_y8u8v8_to_h8s8v8(struct t_convert_table *t)
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{
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size_t size = 256 * 256 * 256;
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t_convert_fill_table(t);
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t_convert_in_place_y8u8v8_to_h8s8v8(size, 1, 0, &t->v);
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}
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extern "C" void
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t_convert_make_h8s8v8_to_r8g8b8(struct t_convert_table *t)
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{
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size_t size = 256 * 256 * 256;
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t_convert_fill_table(t);
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t_convert_in_place_h8s8v8_to_r8g8b8(size, 1, 0, &t->v);
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}
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extern "C" void
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t_convert_in_place_y8u8v8_to_r8g8b8(uint32_t width,
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uint32_t height,
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size_t stride,
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void *data_ptr)
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{
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cv::Mat data(height, width, CV_8UC3, data_ptr, stride);
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cv::cvtColor(data, data, cv::COLOR_YUV2RGB);
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}
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extern "C" void
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t_convert_in_place_y8u8v8_to_h8s8v8(uint32_t width,
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uint32_t height,
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size_t stride,
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void *data_ptr)
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{
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cv::Mat data(height, width, CV_8UC3, data_ptr, stride);
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cv::Mat temp(height, width, CV_32FC3);
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cv::cvtColor(data, temp, cv::COLOR_YUV2RGB);
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cv::cvtColor(temp, data, cv::COLOR_RGB2HSV);
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}
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extern "C" void
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t_convert_in_place_h8s8v8_to_r8g8b8(uint32_t width,
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uint32_t height,
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size_t stride,
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void *data_ptr)
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{
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cv::Mat data(height, width, CV_8UC3, data_ptr, stride);
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cv::cvtColor(data, data, cv::COLOR_YUV2RGB);
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}
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