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I guess duration_time 0.041000 means the frame last (show) for 0.041 second. I don't know how to interpret this 'pts_time' as normal time like minutes and seconds ( e.g 1 min 3 second ) I set the intervals 10%+=3, which means 3 packets after 10 seconds. I can't find the relation between 10 second and pts_time=6.506000.
This corresponds with the calculation above, however, my output.txt contains 528 parsed line entries like the one above, yet my command outputs only 11 files, using the logic above the file named 11.jpg would be a pts_time of 0.22, this doesn’t represent 1 x frame every second.
The GIF format allows individual frames to be displayed for an artificial amount of time and this specific GIF animation makes use that feature, with most frames being displayed for 125 milliseconds but some remaining on the screen for as long as 3000 milliseconds. So just generating a video with a set frame rate isn't going to work as that ...
When I am simply copying a.MOV (from my iPhone) to c.MOV, FFmpeg drops a lot of metadata, including the time and location of the video. I tried -metadata , but FFmpeg still drops the information. It seems that the metadata is not dropped when FFmpeg prints Output #0 , but is dropped when I use ffprobe to see metadata of the output file.
FFmpeg will, by default, remove the starting offset. To preserve it, add -copyts.. The description of -vsync 0 isn't accurate and was written 8+ years ago: Each frame is passed with its timestamp from the demuxer to the muxer..
Addendum: A rough way to get this information, universally, without altering the command or using a monitoring tool like time, as LN guided, is to note the encoding speed normally reported i.e. speed=5.50x. So, if the duration of the output file is 110 seconds, then time taken to encode is 110 / 5.5 = 20 seconds.
Or the "Creation time" written by some cameras into the metadata of the files? Or do you want to make a new video with timecode or some other time burned-in? Please clarify. Virtualdub Add Frame Numbers. Compressor burn-in a timecode. ffmpeg example ffmpeg-python far.
4. One solution to the jerkiness of stop-motion animation was developed for some Star Wars sequences, termed " ". Basically the idea is that you leave the shutter open a little longer than necessary, and move the objects a bit, to create some motion blur. Share. Improve this answer.
Past duration 0.981102 too large frame=83 fps=0.0 q=18.0 size=502kB time=00:00:04.05 bitrate=1015.4kbits/s dup=0 drop=80 speed=7.42x frame=96 fps=90 q=18.0 size=643kB time=00:00:04.69 bitrate=1122.1kbits/s dup=0 drop=93 speed=4.38x frame=111 fps=70 q=18.0 size=802kB time=00:00:05.14 bitrate=1278.1kbits/s dup=0 drop=108 speed=3.26x frame=121 fps ...
I'm sure someone out there must have done this before, but how do I create a countdown timer with hours, minutes and seconds that starts from a specific time and counts down at 71.928x speed? 71.928x because I took one frame every 3 seconds and I'm playing it back at 23.976fps. I've tried using text expressions but to no avail.