- player.set_progress_callback([¤t_value] (const std::map<size_t, double> &player_progress) {
- assert(player_progress.size() == 1);
- current_value = player_progress.begin()->second;
+ player.set_progress_callback([¤t_value, &clips, total_length] (const std::map<size_t, double> &player_progress) {
+ current_value = 1.0 - compute_time_left(clips, player_progress) / total_length;