Am Do., 31. Okt. 2019 um 19:15 Uhr schrieb Jon Beyer :
> ffmpeg -i concat.mp4 video2/frames_%05d.jpg
>
> ffmpeg version 4.2.1 Copyright (c) 2000-2019 the FFmpeg developers
Unrelated:
Please understand that only current FFmpeg git head is supported here
and that there is absolutely no release
A bit more information on this issue, after created the concatenated file
with the following commands [1] and [2], pasted at bottom, if I
print pkt_pts_time via ffprobe with commands [3] and [4], I see that the
timestamp of frame 302 is what is throwing things off when I compare the
two list of
Thanks Carl, here is the full output from each of those commands. Nothing
unusual that I can see. I have truncated the diff output, because the
output is superfluous after those three frames are inserted after
chunk_000.mp4. I'll point out that the second-to-last line of the concat
filter
Let me correct me previous statement slightly. It would appear that there
aren't three frames inserted at the beginning of chunk_001.mp4 in
concat.mp4. There is one frame inserted there, that causes an off-by-one
error, and then I would imagine that the second and third superfluous
frames are
> Am 31.10.2019 um 14:55 schrieb Jon Beyer :
>
> I'm trying to understand the basics of splitting a file on I frames and
> then concatenating the smaller files back together.
The fundamentals are that ffmpeg is a transcoding application, not a file
archiver.
Your command lines should provide
I'm trying to understand the basics of splitting a file on I frames and
then concatenating the smaller files back together. I am using the
commands below to split a basic .mp4 file with the "-f segment" option, and
then I use "-f concat" to join them. I then extract all frames from the
file as