[FFmpeg-user] Calculation of duplicated video frames in live stream

Dmitry Menshikov d.menshikov at gmail.com
Wed Oct 17 19:59:54 EEST 2018

Any ideas?

ср, 3 окт. 2018 г., 22:01 Dmitry Menshikov <d.menshikov at gmail.com>:

> Hi!
> I'm trying to detect duplication of video frames in live streams. Such
> situation occurs when encoder can't encode stream at specified fps. I see
> few frames with the same pkt_size. I know that there is filter to detect
> similar frames but such technique looks like overkill.
> The simplest solution I see is to compare crc of frames.
> Is my idea right? Have ffprobe such option? Thank you very much!
> P.S. Command I currently use: ffprobe -hide_banner -v error -show_frames
> -show_entries frame=media_type,key_frame,pkt_pts_time -i rtmp://host/path
> --
> Yours truly, Dmitry Menshikov
> http://dmenshikov.com

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