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https://github.com/SatDump/SatDump
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108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
#include "module_geoscan_data_decoder.h"
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#include "logger.h"
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#include "imgui/imgui.h"
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#include "common/utils.h"
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#include "common/image/image.h"
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namespace geoscan
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{
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GEOSCANDataDecoderModule::GEOSCANDataDecoderModule(std::string input_file, std::string output_file_hint, nlohmann::json parameters) : ProcessingModule(input_file, output_file_hint, parameters)
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{
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frame_buffer = new uint8_t[70];
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}
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GEOSCANDataDecoderModule::~GEOSCANDataDecoderModule()
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{
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delete[] frame_buffer;
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}
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void GEOSCANDataDecoderModule::process()
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{
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filesize = getFilesize(d_input_file);
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std::ifstream data_in(d_input_file, std::ios::binary);
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std::string directory = d_output_file_hint.substr(0, d_output_file_hint.rfind('/')) + "/";
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logger->info("Using input frames " + d_input_file);
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logger->info("Decoding to " + directory);
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std::vector<bool> has_chunks(878, false);
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std::vector<uint8_t> img_vector(878 * 56, 0);
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time_t lastTime = 0;
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while (input_data_type == DATA_FILE ? !data_in.eof() : input_active.load())
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{
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// Read buffer
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data_in.read((char *)frame_buffer, 70);
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if (frame_buffer[4] == 0x84) // TLM
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{
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logger->error("Telemetry Packet. TODO : IMPLEMENT!");
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}
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else if (frame_buffer[4] == 0x02 || frame_buffer[4] == 0x01) // Imagery
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{
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uint16_t hdr = frame_buffer[4 + 1] << 8 | frame_buffer[4 + 0];
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uint8_t data_size = frame_buffer[4 + 2];
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uint16_t msg_type = frame_buffer[4 + 4] << 8 | frame_buffer[4 + 3];
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uint16_t pkt_offset = frame_buffer[4 + 6] << 8 | frame_buffer[4 + 5];
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if (pkt_offset <= 49112)
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{
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memcpy(&img_vector[pkt_offset], &frame_buffer[4 + 8], 56);
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has_chunks[pkt_offset / 56] = true;
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}
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// logger->trace("%d", pkt_offset / 56);
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}
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progress = data_in.tellg();
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if (time(NULL) % 10 == 0 && lastTime != time(NULL))
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{
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lastTime = time(NULL);
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logger->info("Progress " + std::to_string(round(((double)progress / (double)filesize) * 1000.0) / 10.0) + "%%");
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}
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}
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logger->info("Decoding finished");
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data_in.close();
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int cpresent = 0;
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for (bool v : has_chunks)
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cpresent += v;
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logger->info("Image Payload : Got %d/%d", cpresent, 878);
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image::Image<uint8_t> img;
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img.load_jpeg(img_vector.data(), img_vector.size());
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std::string name = "Image";
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img.save_img(directory + "/" + name);
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}
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void GEOSCANDataDecoderModule::drawUI(bool window)
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{
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ImGui::Begin("Geoscan Data Decoder", NULL, window ? 0 : NOWINDOW_FLAGS);
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if (!streamingInput)
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ImGui::ProgressBar((double)progress / (double)filesize, ImVec2(ImGui::GetWindowWidth() - 10, 20 * ui_scale));
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ImGui::End();
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}
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std::string GEOSCANDataDecoderModule::getID()
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{
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return "geoscan_data_decoder";
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}
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std::vector<std::string> GEOSCANDataDecoderModule::getParameters()
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{
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return {};
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}
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std::shared_ptr<ProcessingModule> GEOSCANDataDecoderModule::getInstance(std::string input_file, std::string output_file_hint, nlohmann::json parameters)
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{
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return std::make_shared<GEOSCANDataDecoderModule>(input_file, output_file_hint, parameters);
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}
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} // namespace noaa
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