Remember what frame you were on

My actions before raising this issue

• Read/searched the docs
• Searched past issues

I’ve had twice now that the website crashes when I am mid video, and I don’t know exactly where I am, I think a good addition would be to either when you load back in have a ‘continue from where you left’ button or that it simply starts you where you left.

Expected Behaviour

For each time the frame is changed, use something like the google chrome local storage or a storage for the current user which stores the current frame. Thus if something were to happen, then you don’t have to spend a lot of time trying to find your way back.

Current Behaviour

Currently you start on frame 0 which gives you no indication of where you left

Possible Solution

Very rough idea for implementation:

//on load
storage = window.localStorage;
current_frame = int(localStorage.getItem('frame' + task_name));
jump_to_frame()

// on new frame
storage.setItem('frame' + task_name, current_frame);

Steps to Reproduce (for bugs)

Context

I’ve had to look for where I was in the video after chrome tab crashed.

Your Environment

• Git hash commit (git log -1): fb6305fff8801e6c56a1f671eb7416258c18ede2
• Docker version docker version (e.g. Docker 17.0.05): 20.10.9
• Are you using Docker Swarm or Kubernetes? no
• Operating System and version (e.g. Linux, Windows, MacOS): Linux Ubuntu
• Code example or link to GitHub repo or gist to reproduce problem:
• Other diagnostic information / logs:
  Logs from `cvat` container

Next steps

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[ActiveChooN]

Suggestion with a “Continue from N frame” was implemented in https://github.com/openvinotoolkit/cvat/pull/4297. I will keep this PR open because of a memory issue.

[bsekachev]

Let’s have another issue for memory leak if it still relevant…