[FFmpeg-user] Non-keyframes included in cut video displaying unpredictably?
Carl Eugen Hoyos
ceffmpeg at gmail.com
Wed May 1 01:06:13 EEST 2019
2019-04-30 20:29 GMT+02:00, Ted Park <kumowoon1025 at gmail.com>:
> Hi, I split a video file by timestamp on a non-keyframe, and I notice
> inconsistent behavior on playback.
> The frames required to decode the “first” frame that are included in the
> resulting file display inconsistently, depending on the framework the player
> is based upon.
> Here is a sample file:
> The beginning of the video is different when you compare ffplay, compared to
> something based on apple’s AVFoundation (Quicktime, Safari, etc)
You didn't tell us which framework shows more frames.
> Is this just a difference in implementation?
I don't know about "just" but it sounds like a difference in implementation.
> If so, are they both correct?
That is unlikely unless the played file is invalid.
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