To get the frames per second (FPS) value from a video file using FFmpeg and C++, you can follow these steps: Include the required FFmpeg header files in your C++ source code: #include <libavformat/avformat.h> #include <libavcodec/avcodec.h> Open the input video file using the avformat_open_input() function: AVFormatContext *format_context = nullptr; int error = avformat_open_input(&format_context, input_filename, nullptr, nullptr); if (error < 0) { // Handle error } Find the stream information in the input file using the avformat_find_stream_info() function: error = avformat_find_stream_info(format_context, nullptr); if (error < 0) { // Handle error } Find the video stream in the input file using the av_find_best_stream() function: int video_stream_index = av_find_best_stream(format_context, AVMEDIA_TYPE_VIDEO, -1, -1, nullptr, 0); if (video_stream_index < 0) { // Handle error } Get the FPS value from the video stream's codec context using the