58 lines
1.8 KiB
C++
58 lines
1.8 KiB
C++
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#include "mediapipe/util/image_test_utils.h"
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#include "mediapipe/framework/formats/image_frame.h"
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#include "mediapipe/framework/formats/image_frame_opencv.h"
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#include "mediapipe/framework/port/opencv_core_inc.h"
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#include "mediapipe/framework/port/opencv_imgcodecs_inc.h"
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#include "mediapipe/framework/port/opencv_imgproc_inc.h"
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#include "mediapipe/framework/timestamp.h"
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namespace mediapipe {
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cv::Mat GetRgb(const std::string& path) {
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cv::Mat bgr = cv::imread(path);
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cv::Mat rgb;
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cv::cvtColor(bgr, rgb, cv::COLOR_BGR2RGB);
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return rgb;
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}
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cv::Mat GetRgba(const std::string& path) {
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cv::Mat bgr = cv::imread(path);
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cv::Mat rgb;
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cv::cvtColor(bgr, rgb, cv::COLOR_BGR2RGBA);
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return rgb;
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}
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cv::Mat GetGray(const std::string& path) {
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cv::Mat bgr = cv::imread(path);
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cv::Mat gray;
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cv::cvtColor(bgr, gray, cv::COLOR_BGR2GRAY);
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return gray;
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}
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mediapipe::ImageFormat::Format GetImageFormat(int image_channels) {
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if (image_channels == 4) {
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return ImageFormat::SRGBA;
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} else if (image_channels == 3) {
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return ImageFormat::SRGB;
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} else if (image_channels == 1) {
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return ImageFormat::GRAY8;
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}
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LOG(FATAL) << "Unsupported input image channles: " << image_channels;
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}
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Packet MakeImageFramePacket(cv::Mat input, int timestamp) {
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ImageFrame input_image(GetImageFormat(input.channels()), input.cols,
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input.rows, input.step, input.data, [](uint8*) {});
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return MakePacket<ImageFrame>(std::move(input_image)).At(Timestamp(0));
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}
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Packet MakeImagePacket(cv::Mat input, int timestamp) {
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mediapipe::Image input_image(std::make_shared<mediapipe::ImageFrame>(
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GetImageFormat(input.channels()), input.cols, input.rows, input.step,
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input.data, [](uint8*) {}));
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return MakePacket<mediapipe::Image>(std::move(input_image)).At(Timestamp(0));
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}
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} // namespace mediapipe
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