If there is a more "intense" shot, lets say a ship sailing in the night on wavy water, the bitrate will go up to not make a noticable drop in quality.ĬRF is generally the best way to encode video. This will attempt to target a constant quality level throughout the video.įor example, if there is a scene where not much is going on, say a shot of 3 guys sitting in a sofa not doing much, it can turn down the bitrate a little bit without making a noticable drop in quality. A sane range is 15-25, or an even more sane range is 17-23. With CRF you specify a number between 0-51, where lower is better quality and higher is worse quality.
X264 has 2 suggested modes of encoding video:
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