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

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This commit is contained in:
Nicolas
2026-06-24 11:27:16 +02:00
parent 162d5940f0
commit 5131a4b09c
1 changed files with 26 additions and 17 deletions
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43
source/webcam.cpp
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@ -63,11 +63,14 @@ void ProcessWebcamThread::Execute() {
else{ else{
InputVideo->read(*im); InputVideo->read(*im);
mutex_pause.Lock();
__LOG_CAM__ << "Record frame clock: " << (float)current_frame_clock << "at index: "<< frame_index<<"\n"; temp_pause = pause;
outputVideo->write(*im); mutex_pause.Unlock();
frame_index++; if(!temp_pause){
lutFile.write(reinterpret_cast<const char*>(&current_frame_clock),sizeof(float)); outputVideo->write(*im);
frame_index++;
lutFile.write(reinterpret_cast<const char*>(&current_frame_clock),sizeof(float));
}
} }
} }
__LOG_CAM__ << "THREAD STOPPED "<<videoIndex<<"\n"; __LOG_CAM__ << "THREAD STOPPED "<<videoIndex<<"\n";
@ -75,6 +78,8 @@ void ProcessWebcamThread::Execute() {
im->release(); im->release();
lutFile.close(); lutFile.close();
Platform::Get().Sleep(50); // Laisser le fichier se finaliser
delete im; delete im;
} }
//********************************************************* //*********************************************************
@ -238,8 +243,7 @@ void Webcam::ResetVideo() {
std::stringstream video_name; std::stringstream video_name;
video_name << "./webcam_record_" << index_save_video << ".avi"; video_name << "./webcam_record_" << index_save_video << ".avi";
// set the codec fourcc // set the codec fourcc
unsigned int ex = outputVideo->fourcc('X', 'V', 'I', 'D'); unsigned int ex = outputVideo->fourcc('M', 'J', 'P', 'G');
outputVideo->set(VIDEOWRITER_PROP_QUALITY, 70);
outputVideo->open(video_name.str(), ex, webcam_fps, Size(width, height), true); outputVideo->open(video_name.str(), ex, webcam_fps, Size(width, height), true);
if (!outputVideo->isOpened()) if (!outputVideo->isOpened())
@ -275,10 +279,14 @@ void Webcam::setPause(bool pause) {
bool thread_pause = thread_process->pause; bool thread_pause = thread_process->pause;
thread_process->mutex_pause.Unlock(); thread_process->mutex_pause.Unlock();
thread_process->mutex_pause.Lock();
thread_process->pause = pause;
thread_process->mutex_pause.Unlock();
if (!thread_pause && pause) { if (!thread_pause && pause) {
__LOG_CAM__ <<"B\n"; __LOG_CAM__ <<"B\n";
Close(); Close();
Platform::Get().Sleep(50); // Laisser le fichier se finaliser
__LOG_CAM__ << "REPLAY INPUT RELEASE ./webcam_record_" << index_replay_video << ".avi\n "; __LOG_CAM__ << "REPLAY INPUT RELEASE ./webcam_record_" << index_replay_video << ".avi\n ";
ReplayInputVideo->release(); ReplayInputVideo->release();
index_replay_video = index_save_video - 1; index_replay_video = index_save_video - 1;
@ -319,7 +327,8 @@ void Webcam::Close() {
thread_process = nullptr; thread_process = nullptr;
} }
ReplayInputVideo->release(); if(ReplayInputVideo)
ReplayInputVideo->release();
} }
uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index) { uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index) {
@ -368,11 +377,11 @@ uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index)
} }
if (record_index != index_replay_video) { if (record_index != index_replay_video) {
__LOG_H__ << "Changing video\n"; __LOG_CAM__ << "Changing video\n";
index_replay_video = record_index; index_replay_video = record_index;
std::stringstream video_name; std::stringstream video_name;
video_name << record_name << "_" << index_replay_video << ".avi"; 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->release();
ReplayInputVideo->open(video_name.str()); ReplayInputVideo->open(video_name.str());
} }
@ -402,26 +411,26 @@ uchar *Webcam::SetFrame(float clock, GS::String record_name , int record_index)
if (it == video_times.begin()) if (it == video_times.begin())
{ {
// clock before first frame
__LOG_CAM__ << "clock before first frame\n"; __LOG_CAM__ << "clock before first frame\n";
//SetFrame(clock,record_name-1)
return nullptr; return nullptr;
} }
size_t index = std::distance(video_times.begin(), it) - 1; size_t index = std::distance(video_times.begin(), it) - 1;
if (!ReplayInputVideo || !ReplayInputVideo->isOpened()) if (!ReplayInputVideo || !ReplayInputVideo->isOpened())
{ {
__LOG_CAM__ << "ReplayInputVideo not opened\n"; __LOG_CAM__ << "ReplayInputVideo not opened\n";
return NULL; 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); ReplayInputVideo->set(cv::CAP_PROP_POS_FRAMES, index);
if (!ReplayInputVideo->read(*ReplayImframe)) if (!ReplayInputVideo->read(*ReplayImframe))
{ {
__LOG_CAM__ << "Failed to read frame at index " << index << "\n"; __LOG_CAM__ << "Failed to read frame at index " << index << "\n";
return NULL; return NULL;
} }
cv::cvtColor(*ReplayImframe, *ReplayIm, CV_BGR2RGBA, 4); cv::cvtColor(*ReplayImframe, *ReplayIm, CV_BGR2RGBA, 4);