[FFmpeg-user] key frame

[Richard Bartczak]

Am 27.06.24 um 22:39 schrieb Mark Filipak:
> Hello All,
>
> I'm considering buying professional video software to evaluate and
> analyze FFmpeg trims and splices and for troubleshooting. My objective
> is to improve my edits, and to improve FFmpeg. I'm retired, I have
> plenty of time, I have plenty of money.
>
> From here:
> https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/uc_system/design/guides/videodg/vidguide/basics.html
>
> "I-frames are also known as key frames because their content is
> independent of any other frames and they can be used as a reference
> for other frames."
>
> If "key frame" is simply another name for an I-frame, why are there
> two names? pdr0 & Balling at trac.ffmpeg.org hint that key frames are
> specific I-frames with specific methods but they don't elaborate and I
> don't want to burden them.
>
> I'd appreciate an explanation of 'key frame', or a link to an existing
> explanation of course. All I can find is keyframe animation, which of
> course is a technique, not an MPEG method.
>
> Thank you,
> Mark.
>
Also do not miss the definition of an IDR-Frame :

refer to
https://streaminglearningcenter.com/encoding/everything-you-ever-wanted-to-know-about-idr-frames-but-were-afraid-to-ask.html

Gloster