changing codec for loss less cause xvid lost some frame at end causing crashes

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();
@@ -57,17 +61,25 @@ void ProcessWebcamThread::Execute() {
 		if (temp_pause || !temp_record_frame)
 			Platform::Get().Sleep(10);
 		else{
-			InputVideo->read(*im);
-			outputVideo->write(*im);
 
+			InputVideo->read(*im);
+			mutex_pause.Lock();
+			temp_pause = pause;
+			mutex_pause.Unlock();
+			if(!temp_pause){
+				outputVideo->write(*im);
+				frame_index++;
 				lutFile.write(reinterpret_cast<const char*>(&current_frame_clock),sizeof(float));
 			}
 		}
+	}
 	__LOG_CAM__ << "THREAD STOPPED "<<videoIndex<<"\n";
 	outputVideo->release();
 	im->release();
 	lutFile.close();
 
+	Platform::Get().Sleep(50);  // Laisser le fichier se finaliser
+
 	delete im;
 }
 //*********************************************************
@@ -231,8 +243,7 @@ void Webcam::ResetVideo() {
 	std::stringstream video_name;
 	video_name << "./webcam_record_" << index_save_video << ".avi";
 	// set the codec fourcc
-	unsigned int ex = outputVideo->fourcc('X', 'V', 'I', 'D');
-	outputVideo->set(VIDEOWRITER_PROP_QUALITY, 70);
+	unsigned int ex = outputVideo->fourcc('M', 'J', 'P', 'G');
 	outputVideo->open(video_name.str(), ex, webcam_fps, Size(width, height), true);
 
 	if (!outputVideo->isOpened())
@@ -268,10 +279,14 @@ void Webcam::setPause(bool pause) {
 	bool thread_pause = thread_process->pause;
 	thread_process->mutex_pause.Unlock();
 
+	thread_process->mutex_pause.Lock();
+	thread_process->pause = pause;
+	thread_process->mutex_pause.Unlock();
 
 	if (!thread_pause && pause) {
 		__LOG_CAM__ <<"B\n";
 		Close();
+		Platform::Get().Sleep(50);  // Laisser le fichier se finaliser
 		__LOG_CAM__ << "REPLAY INPUT RELEASE ./webcam_record_" << index_replay_video << ".avi\n ";
 		ReplayInputVideo->release();
 		index_replay_video = index_save_video - 1;
@@ -312,11 +327,14 @@ void Webcam::Close() {
 		thread_process = nullptr;
 	}
 
+	if(ReplayInputVideo)
 		ReplayInputVideo->release();
 }
 
 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 +345,6 @@ 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();
 
@@ -340,6 +357,7 @@ 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);
@@ -352,18 +370,18 @@ uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index)
 			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
 		}
 
 		if (record_index != index_replay_video) {
-			__LOG_H__ << "Changing video\n";
+			__LOG_CAM__ << "Changing video\n";
 			index_replay_video = record_index;
 			std::stringstream video_name;
 			video_name << record_name << "_" << index_replay_video << ".avi";
-			__LOG_H__ << record_name << "_" << index_replay_video << ".avi";
+			__LOG_CAM__ << record_name << "_" << index_replay_video << ".avi\n";
 			ReplayInputVideo->release();
 			ReplayInputVideo->open(video_name.str());
 		}
@@ -383,7 +401,8 @@ 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);
 	}
@@ -392,9 +411,7 @@ uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index)
 
     if (it == video_times.begin())
     {
-        // clock before first frame
 		__LOG_CAM__ << "clock before first frame\n";
-		//SetFrame(clock,record_name-1)
         return nullptr;
     }
 
@@ -405,9 +422,11 @@ uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index)
         __LOG_CAM__ << "ReplayInputVideo not opened\n";
         return NULL;
     }
-	__LOG_CAM__ << "Index found "<<index<<"for clock "<<clock<<"\n";
+	
+	int frameCount = (int)ReplayInputVideo->get(cv::CAP_PROP_FRAME_COUNT) - 1;  
 	ReplayInputVideo->set(cv::CAP_PROP_POS_FRAMES, index);
 
+
 	if (!ReplayInputVideo->read(*ReplayImframe))
     { 
 		__LOG_CAM__ << "Failed to read frame at index " << index << "\n";

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;