fix(vm): deep copy when call copy

Author: anpawo

Makefile

@@ -83,6 +83,7 @@ SRC_INPUT		=	src/input/_AInput.cpp	\
 					src/input/Video.cpp		\
 					src/input/List.cpp		\
 					src/input/Slice.cpp		\
+					src/input/Copy.cpp		\
 
 
 OBJ				=	$(SRC:.cpp=.o)

include/input/Copy.hpp

@@ -0,0 +1,22 @@
+/*
+** EPITECH PROJECT, 2025
+** video-code
+** File description:
+** Copy
+*/
+
+#pragma once
+
+#include <memory>
+
+#include "input/_AInput.hpp"
+#include "input/_IInput.hpp"
+
+class Copy : public _AInput {
+public:
+
+    Copy(std::shared_ptr<_IInput> input);
+    ~Copy() = default;
+
+private:
+};

include/input/List.hpp

@@ -15,8 +15,7 @@
 class List : public _AInput {
 public:
 
-    List(std::shared_ptr<_IInput> frames, int n);
-    List(std::shared_ptr<_IInput> frames);
+    List(std::shared_ptr<_IInput> input, int n);
     ~List() = default;
 
 private:

include/vm/LiveWindow.hpp

@@ -53,12 +53,6 @@ class LiveWindow {
      */
     void goToLabel(const std::string &label);
 
-    /**
-     * @ get all labels
-     */
-    const std::map<std::string, std::size_t> &getLabels() const;
-    const std::map<std::size_t, std::string> &getLabelsByVal() const;
-
     /**
      * @ remove label
      */

src/input/Copy.cpp

@@ -0,0 +1,29 @@
+/*
+** EPITECH PROJECT, 2025
+** video-code
+** File description:
+** Image
+*/
+
+#include "input/Copy.hpp"
+
+#include <opencv2/imgcodecs.hpp>
+#include <vector>
+
+#include "opencv2/core/mat.hpp"
+
+static std::vector<cv::Mat> copyInput(std::shared_ptr<_IInput> input)
+{
+    std::vector<cv::Mat> result{};
+
+    for (auto &it : input->getFrames()) {
+        result.push_back(it.clone());
+    }
+
+    return result;
+}
+
+Copy::Copy(std::shared_ptr<_IInput> input)
+    : _AInput(copyInput(input))
+{
+}

src/input/List.cpp

@@ -13,23 +13,18 @@
 #include "input/_AInput.hpp"
 #include "opencv2/core/mat.hpp"
 
-static std::vector<cv::Mat> replicateFrame(std::shared_ptr<_IInput> frames, int n)
+static std::vector<cv::Mat> replicateFrame(std::shared_ptr<_IInput> input, int n)
 {
     std::vector<cv::Mat> result{};
 
     while (n--) {
-        const auto& temp = frames->cgetFrames();
+        const auto& temp = input->cgetFrames();
         result.insert(result.end(), temp.begin(), temp.end());
     }
     return result;
 }
 
-List::List(std::shared_ptr<_IInput> frames, int n)
-    : _AInput(replicateFrame(frames, n))
-{
-}
-
-List::List(std::shared_ptr<_IInput> frames)
-    : _AInput({frames->cgetFrames().begin(), frames->cgetFrames().end()})
+List::List(std::shared_ptr<_IInput> input, int n)
+    : _AInput(replicateFrame(input, n))
 {
 }

src/vm/LiveWindow.cpp

@@ -27,6 +27,7 @@
 #include <opencv2/imgproc.hpp>
 #include <string>
 
+#include "input/Copy.hpp"
 #include "input/Image.hpp"
 #include "input/List.hpp"
 #include "input/Slice.hpp"
@@ -121,16 +122,6 @@ void LiveWindow::goToLabel(const std::string &label)
     }
 }
 
-const std::map<std::string, std::size_t> &LiveWindow::getLabels() const
-{
-    return _labels;
-}
-
-const std::map<std::size_t, std::string> &LiveWindow::getLabelsByVal() const
-{
-    return _labelsByVal;
-}
-
 void LiveWindow::removeLabel(const std::string &label)
 {
     _labelsByVal.erase(_labels[label]);
@@ -203,15 +194,13 @@ const std::shared_ptr<_IInput> &LiveWindow::getInput(std::string &&input)
 
 void LiveWindow::firstFrame()
 {
-    _index = 0;
-    _currentLabel = _labelsByVal[0];
+    goToLabel(_labelsByVal[0]);
     std::cout << std::format("Current Label set to '{}' at frame '0'.", _currentLabel) << std::endl;
 }
 
 void LiveWindow::lastFrame()
 {
-    _index = _frames.size() - 1;
-    _currentLabel = std::prev(_labelsByVal.end())->second;
+    goToLabel(std::prev(_labelsByVal.end())->second);
     std::cout << std::format("Current Label set to '{}' at frame '{}'.", _currentLabel, _index) << std::endl;
 }
 
@@ -233,19 +222,20 @@ void LiveWindow::previousLabel()
         goToLabel(_currentLabel);
         std::cout << std::format("Timeline set to the start of the current label '{}', at frame '{}'.", _currentLabel, _index) << std::endl;
     } else {
-        goToLabel(std::prev(_labels.find(_currentLabel))->first);
+        goToLabel(std::prev(_labelsByVal.find(_labels[_currentLabel]))->second);
         std::cout << std::format("Timeline set to the previous label '{}', at frame '{}'.", _currentLabel, _index) << std::endl;
     }
 }
 
 void LiveWindow::nextLabel()
 {
-    auto upperBound = getLabelsByVal().upper_bound(_labels[_currentLabel]);
+    auto next = std::next(_labelsByVal.find(_labels[_currentLabel]));
 
-    if (upperBound == getLabelsByVal().end()) {
-        std::cout << std::format("The Timeline is currently at the last label, '{}'", _currentLabel) << std::endl;
+    if (next == _labelsByVal.end()) {
+        _index = _frames.size() - 1;
+        std::cout << std::format("Timeline set to last index, '{}'", _index) << std::endl;
     } else {
-        goToLabel(upperBound->second);
+        goToLabel(next->second);
         std::cout << std::format("Timeline set to the next label '{}', at frame '{}'.", _currentLabel, _index) << std::endl;
     }
 }
@@ -356,7 +346,7 @@ std::shared_ptr<_IInput> LiveWindow::repeat(const json::array_t &args)
 
 std::shared_ptr<_IInput> LiveWindow::copy(const json::array_t &args)
 {
-    return std::make_unique<List>(executeInst(args[0]));
+    return std::make_unique<Copy>(executeInst(args[0]));
 }
 
 std::shared_ptr<_IInput> LiveWindow::concat(const json::array_t &args)

video.py

@@ -5,14 +5,8 @@
 # normal image
 v1.add()
 
-# translated image
-v1.apply(translate(100, 50))
-v1.add()
-
-# back to normal image
-v1.apply(translate(-100, -50))
-v1.add()
+# erase top left corner and fade the first half copy
+v1.apply(translate(-100, -50))[:30].copy().apply(fadeIn(ALL, -1)).add()
 
-# erase some parts
-v1.apply(translate(-100, -50))
+# original
 v1.add()