[FFmpeg-user] ffprobe -show_frames and coded_picture_number

[Pavel Koshevoy]

On 8/14/2013 4:27 PM, thljcl wrote:
> With the access of the sources, I can inspect the every single frame that
> makes up the video. Not every scene is noticeable. And I don’t claim that I
> exactly have the best eyesight to make conclusive judgment on behalf of the
> others. The less noticeable scenes, are either static (or “motionless”) or
> with adequate “motion blurring”.
> There are reasons why I’m not exactly in favor of speeding up the video; the
> playback speed is altered although I admit that not every person can
> actually “feel” the “speeding up” at first look. Speeding the audio would
> affect the “pitch” and other effects.

atempo preserves the pitch, and for small tempo changes you won't notice 
any difference.

     Pavel.