[FFmpeg-user] key frame
Mark Filipak
markfilipak.imdb at gmail.com
Fri Jun 28 01:52:03 EEST 2024
On 27/06/2024 17.55, Richard Bartczak via ffmpeg-user wrote:
>
> 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.
>>
Thanks, Gloster. Now I'm going to eliminate everything that has nothing to do with key frame.
> Gloster
Oh, look at that. There's nothing left. Hahaha.... I just love ffmpeg-user. There's a laugh a minute.
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