The r_frame_rate is used to find the maximum frame rate in the video, while the actual frame rate may be lower. Typically, we can use avg_frame_rate for constant frame rate videos having the constant frame rate throughout the video. Overall, FFmpeg uses two different parameters for reporting the frame rate of video files: avg_frame_rate and r_frame_rate. The result 25/1 tells the average frame rate of this video file is 25 FPS (frame rate). This output format specifies that the output should be in the default format without any wrappers or key labels, and only the values of the keys should be printed.Īdditionally, this command results in the value of avg_frame_rate for a given input video file that is expressed as a fraction like 30/1 or 25/1.
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