satdump/plugins/bitview_app/tools/take_skip/take_skip.cpp
2025-12-12 11:48:41 +01:00

78 lines
No EOL
2.4 KiB
C++

#include "take_skip.h"
#include "common/codings/differential/nrzm.h"
#include "core/style.h"
#include "imgui/imgui.h"
#include "imgui/imgui_stdlib.h"
#include "logger.h"
#include <cstdint>
#include <fstream>
namespace satdump
{
std::string TakeSkipTool::getName() { return "Take Skip"; }
void TakeSkipTool::renderMenu(std::shared_ptr<BitContainer> &container, bool is_busy)
{
if (is_busy)
style::beginDisabled();
ImGui::InputInt("Skip Bits", &skip_bits);
if (ImGui::Button("Skip"))
should_process = true;
if (is_busy)
style::endDisabled();
}
bool TakeSkipTool::needToProcess() { return should_process; }
void TakeSkipTool::setProcessed() { should_process = false; }
void TakeSkipTool::process(std::shared_ptr<BitContainer> &container, float &process_progress)
{
uint8_t *ptr = container->get_ptr();
size_t size = container->get_ptr_size();
char name[1000];
tmpnam(name);
std::string tmpfile = name;
std::ofstream file_out(tmpfile, std::ios::binary);
// if (container->d_frame_mode) {
// TODOREWORK?
// }
// else
{
uint8_t shifter = 0;
int in_shifter = 0;
for (size_t i = skip_bits; i < size * 8; i++)
{
shifter = shifter << 1 | ((ptr[i / 8] >> (7 - (i % 8))) & 1);
in_shifter++;
if (in_shifter == 8)
{
file_out.write((char *)&shifter, 1);
in_shifter = 0;
}
process_progress = (float)i / float(size * 8);
}
if (in_shifter > 0)
file_out.write((char *)&shifter, 1);
}
file_out.close();
std::shared_ptr<satdump::BitContainer> newbitc = std::make_shared<satdump::BitContainer>("Skipped " + std::to_string(skip_bits) + " Bits", tmpfile, container->frames);
newbitc->d_display_bits = container->d_display_bits;
newbitc->d_bitperiod = container->d_bitperiod;
newbitc->init_display();
newbitc->d_is_temporary = true;
if (container->bitview != nullptr)
((BitViewHandler *)container->bitview)->addSubHandler(std::make_shared<BitViewHandler>(newbitc));
else
logger->error("Can't add container!");
}
} // namespace satdump