double fps_nb_frames = static_cast<double>(duration_sec*fps);\r
double stream_nb_frames = static_cast<double>(video_stream.nb_frames);\r
double diff = std::abs(fps_nb_frames - stream_nb_frames*2.0);\r
- if(diff < fps_nb_frames*0.01)\r
+ if(diff < fps_nb_frames*0.05)\r
video_context.time_base.num *= 2;\r
}\r
}\r