On Sun, Oct 29, 2023 at 4:52 PM Ulf Zibis <ulf.zi...@cosoco.de> wrote:
> > Am 29.10.23 um 16:00 schrieb Paul B Mahol: > > On Sun, Oct 29, 2023 at 3:29 PM Ulf Zibis <ulf.zi...@cosoco.de> wrote: > > > >> Hi, > >> > >> so 18.3 % of the frames were dropped and duplicated at same time. > >> > >> Does that mean, that 8063 frames of the input were dropped and then same > >> (or other) 8064 frames were duplicated to the output? > >> > > Probably variable frame rate input. > > When I use "-fps-mode passthroug", then I get messages of frames with the > same timestamp, so ffmpeg seems to drop them in normal mode and then fills > in duplicates. > > Am I right? > > So maybe it would be better to correct the timestamps than dropping the > frames? > Could use vfrdet video filter on original input to find minimum, average and maximum delay between frames. > > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 0, current: 0; changing to 1. This may result in incorrect timestamps in > the output file. > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 222053, current: 222053; changing to 222054. This may result in incorrect > timestamps in the output file. > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 3996954, current: 3996954; changing to 3996955. This may result in > incorrect timestamps in the output file. > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 4219007, current: 4219007; changing to 4219008. This may result in > incorrect timestamps in the output file. > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 4441060, current: 4441060; changing to 4441061. This may result in > incorrect timestamps in the output file. > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 5551325, current: 5551325; changing to 5551326. This may result in > incorrect timestamps in the output file. > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 5773378, current: 5773378; changing to 5773379. This may result in > incorrect timestamps in the output file. > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 5995431, current: 5995431; changing to 5995432. This may result in > incorrect timestamps in the output file. > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 9548279, current: 9548279; changing to 9548280. This may result in > incorrect timestamps in the output file. > [mp4 @ 0x561ea7f2ab80] Non-monotonous DTS in output stream 0:0; previous: > 9770332, current: 9770332; changing to 9770333. This may result in > incorrect timestamps in the output file. > > _______________________________________________ > 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". > _______________________________________________ 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".