#7644: print warning for "-c:v copy" + "-ss non-key-frame"
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Reporter: hanshenrik | Type:
Status: new | enhancement
Component: | Priority: wish
undetermined | Version:
Keywords: | unspecified
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
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as explained in comment 1 of https://trac.ffmpeg.org/ticket/7640#comment:1
, if you cut a video using `-c:v copy` + `-ss` and the frame at -ss is
not a keyframe, then everything until the first keyframe is usually
rendered black / random colors. it would be nice if ffmpeg printed a
stderr warning in this scenario, warning that the black/random-color
frames are expected behavior and not a bug in ffmpeg.
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Ticket URL: <https://trac.ffmpeg.org/ticket/7644>
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