Re: [FFmpeg-user] ffmpeg wav lossless to youtube mov?

quiry were rude and unprofessional and have no place on this mailing list and I am sorry you had to deal with them, and I do not understand who administers this list or how to resolve those issues. -- jh...@alum.mit.edu John Hawkinson On Thu, May 23, 2024 at 7:12 PM Zathras Yes wrote: > Hi,

Re: [FFmpeg-user] Slow seeking for GB-scale MOVs?

Any thoughts on this issue, or how best to narrow or debug it? (Platform is MacOS if that's helpful, but I could do so from Linux is that's easier.) Thank you! -- jh...@alum.mit.edu John Hawkinson John Hawkinson wrote on Sun, 7 Jun 2020 at 19:26:26 EDT in <202006

[FFmpeg-user] Slow seeking for GB-scale MOVs?

second. The complete uncut output at the defaul loglevel is uninteresting. The above is excerpted from loglevel trace, which gives nearly 1 GB of output and is probably not helpful here in the entirety. A lightly edited version and prematurely truncated version of the trace output follows, w

Re: [FFmpeg-user] Changing the crop filter's output width over time?

the same work as a chain of crop and scale, so I have to imagine one method is more efficeint than the other, but the arbitrary differences in parameters and evaluable expressions just feel odd. Maybe I'm missing something. Thanks. -- jh...@alum.mit.edu John Hawkinson +1 617 797 0250 __

[FFmpeg-user] Changing the crop filter's output width over time?

(On the other hand, presumably it's more performant than a crop filter followed by a scale filer). Thanks you. -- jh...@alum.mit.edu John Hawkinson $ sh -x diag.sh + ffplay -i v -vf ' sendcmd=c='\''0-1 crop w 1146+T, crop h 1080'\'', crop= 1146:644:

Re: [FFmpeg-user] Efficiently doing thousands of edits?

concatenating them. That's hardly the worst thing in the world. -- jh...@alum.mit.edu John Hawkinson ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] Efficiently doing thousands of edits?

t woudl you recomend for using ffmpeg's libraries? That's not something I'm very familiar with. Thanks. -- jh...@alum.mit.edu John Hawkinson ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-u

[FFmpeg-user] Efficiently doing thousands of edits?

eo streams and let one continue unchanged while the other is fixed. Perhaps recompose them in a better way. Perhaps do some kind of blend or transition across the glitch rather than a frame hold. But I figured I'd worry about those after I got the baseline fix working. Thanks. And thanks for any suggestions how to do this better. -- jh...@alum.mit.edu John Hawkinson ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".

Re: [FFmpeg-user] Converting .trm files ("ForTheRecord") -- force AAC decoding?

> Please provide a sample input file if possible. http://mit.edu/jhawk/tmp/t1.trm Thanks! --jh...@mit.edu John Hawkinson ___ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit l

Re: [FFmpeg-user] mp4 concatenation (muxer) problems -- invalid output?

, but maybe the camera's "black magic" was different? Not sure really what is different here.) Can you suggest a better approach to acheive either this sub-goal or the larger goal of stitching together videos that have short gaps without processor-intensive work? Thanks.

Re: [FFmpeg-user] mp4 concatenation (muxer) problems -- invalid output?

mpegts, I seem to get the same problems, although I have not broken this out rigorously. > (ffprobe output is completely irrelevant here, it does not show > technical details.) Is there a better diagnostic tool I should be using to ascertain what should be concatena

Re: [FFmpeg-user] mp4 concatenation (muxer) problems -- invalid output?

transcoding. Thanks! Oh, right, you started with: > just to make sure I get this right, are you trying to build an > advanced version of Vantage Camera Ingest? Have fun then... ;-) I'm not familiar with it but I looked at the cutsheet just now. I'd say "not re