FFmpeg File Size Calculation of Encoded Output

Encoded output file size calculation

The final size of encoded output is the sum of audio and video stream sizes. The equation for video stream size in bytes is (the division by 8 is for the conversion from bits to bytes):
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FFmpeg Bit Rate and Frame Rate

A good understanding of the frame rate and the bit rate is important in the work with FFmpeg, frame rate and bit rate are the fundamental characteristics of the video and their proper setting is very important for the overall video quality.

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