From 162d5940f06e97d460116408345ec1cb2a7d14bb Mon Sep 17 00:00:00 2001
From: Nicolas <nicolas.wilbal@gmail.com>
Date: Tue, 23 Jun 2026 13:43:11 +0200
Subject: [PATCH] add more log for debug info + last frame keeping

---
 source/webcam.cpp | 24 +++++++++++++++++-------
 source/webcam.h   |  1 +
 2 files changed, 18 insertions(+), 7 deletions(-)

diff --git a/source/webcam.cpp b/source/webcam.cpp
index 6b9f8df..28516ce 100644
--- a/source/webcam.cpp
+++ b/source/webcam.cpp
@@ -9,6 +9,8 @@
 #include "opencv2\opencv.hpp"
 #include <iostream>
 #include <fstream>
+#include <filesystem>
+
 
 using namespace GS;
 using namespace GS::Script;
@@ -36,10 +38,12 @@ void ProcessWebcamThread::Execute() {
 	bool temp_not_finish = true;
 	bool temp_pause = true;
 	bool temp_record_frame = false;
-
+	current_frame_clock = 0.0;
 	//construction LUT pour synchro avec la clock squirrel
 	std::ofstream lutFile(outputVideoName+"_lut.bin", std::ios::binary);
 	__LOG_CAM__ << "NEW RECORDING THREAD "<<videoIndex<<" LAUNCHED \n";
+
+	int frame_index = 0;
 	while (temp_not_finish) {
 
 		mutex_not_finish.Lock();
@@ -57,9 +61,12 @@ void ProcessWebcamThread::Execute() {
 		if (temp_pause || !temp_record_frame)
 			Platform::Get().Sleep(10);
 		else{
-			InputVideo->read(*im);
-			outputVideo->write(*im);
 
+			InputVideo->read(*im);
+			
+			__LOG_CAM__ << "Record frame clock: " << (float)current_frame_clock << "at index: "<< frame_index<<"\n";
+			outputVideo->write(*im);
+			frame_index++;
 			lutFile.write(reinterpret_cast<const char*>(&current_frame_clock),sizeof(float));
 		}
 	}
@@ -317,6 +324,8 @@ void Webcam::Close() {
 
 uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index) {
 	//create buffer from lut
+	bool is_the_last_record = record_index == index_save_video - 1 ;
+
 	if(video_times.size() == 0){
 		//charger lut dans video_times
 		__LOG_CAM__ << "Chargement LUT: "<<record_name<<"_"<<record_index<<"_lut.bin\n";
@@ -327,7 +336,6 @@ uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index)
         if (!lutFile.is_open())
         {
             __LOG_CAM__ << "Cannot open LUT file: " << record_name<<"_lut.bin\n";
-            return NULL;
         }
 		video_times.clear();
 
@@ -340,19 +348,20 @@ uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index)
 
 		lutFile.seekg(size - static_cast<std::streamoff>(sizeof(float)));
 		lutFile.read(reinterpret_cast<char*>(&end_time), sizeof(float));
+		
 		__LOG_CAM__ <<"end: "<<(float)end_time<<" asked clock: "<<clock<<"\n";
 		//read la derniere et premiere clock
 		lutFile.seekg(0);
 		float start_time;
 		lutFile.read(reinterpret_cast<char*>(&start_time), sizeof(float));
 
-
+		
 		if(clock < start_time){
 			__LOG_CAM__ << "clock < start_time\n";
 			lutFile.close();
 			return NULL;
 		}
-		else if(clock > end_time){
+		else if(clock > end_time && !is_the_last_record){
 			__LOG_CAM__ << "clock > end_time\n";
 			lutFile.close();
 			return SetFrame(clock,record_name,record_index+1); //recursive search forward
@@ -383,7 +392,8 @@ uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index)
         return NULL;
 
 	//force reset if clock not in range
-	if(clock < video_times[0] || clock > video_times[video_times.size() -1]){
+	if(clock < video_times[0] || (clock > video_times[video_times.size() -1] && !is_the_last_record)){
+		__LOG_CAM__ << "CLEAR \n";
 		video_times.clear();
 		return SetFrame(clock, record_name , 0);
 	}
diff --git a/source/webcam.h b/source/webcam.h
index a38b8a5..ac617ed 100644
--- a/source/webcam.h
+++ b/source/webcam.h
@@ -71,6 +71,7 @@ private:
 
 	int index_save_video;
 	int index_replay_video;
+
 	std::vector<float> video_times;
 	cv::VideoCapture *ReplayInputVideo;
 	cv::Mat* ReplayIm;