Am 30.10.25 um 21:15 schrieb Paul B Mahol via ffmpeg-user:

On Thu, Oct 30, 2025 at 6:42 PM Richard Bartczak via ffmpeg-user < ffmpeg-user@ffmpeg.org> wrote:

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Am 30.10.25 um 19:33 schrieb Richard Bartczak:

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Hello,

I assume to be on a good way if I use this as presuppostion : ffprobe -loglevel error -select_streams v:0 -show_entries packet=pts_time,flags,key -sexagesimal -of csv=print_section=0 "21 Bridges.ts" > txt

And here I got the info :

https://video.stackexchange.com/questions/19250/how-to-identify-i-frame-from...

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"Frames with key_frame 1 (will have picture type I) are IDR frames.

I frames with key_frame 0 are not."

Now my question how to combine it ?

To get the timestamp and an indication of an IDR-frame ?

Regards

Richard

I am sorry,

it must be :

ffprobe -loglevel error -select_streams v:0 -show_entries packet=pts_time,flags -sexagesimal -of csv=print_section=0 "21 Bridges.ts" > txt

packet : key removed

Regards

Richard

demuxed packet != decoded frame

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I ssems,  it is not possible with ffprobe and -skip_frame nokey: ffprobe -loglevel error -select_streams v:0 -show_frames -sexagesimal -skip_frame nokey -of csv=print_section=0 "Arizona Junior.ts" > txt I got the output for every key_frame : video,0,1, The third entry does indicate key_frame 1, it does mean all I-frames are IDR-Frames, that is wrong. I did check it with Avidemux, cut the h.264 video at an indicated IDR-Frame, got the correct hint by Avidemux it is an NIDR-Frame, and the further video analysis leads to an error indication : [h264 @ 0x62ba725abf00] co located POCs unavailable Any further idea ? Regards Richard