Le duodi 22 fructidor, an CCXXV, Nitish Prabhu a écrit : > I am using "-copyts" to maintain the input timestamps at the output > side. Thus, I believed that using "-ss 60 -t 10" with "-copyts" was > supposed to mean "take seconds 60-70 of input_clip_x264_offset as > input and produce 60-70 of the resultant stream".
My bad, I missed that and the explanation was not correct. After further testing, it seems the -ss option is itself relative to the file's start time: by setting -ss 60 with a file that starts at 60, you are asking to seek to timestamp 120. And with -copyts, you get that timestamp. Therefore, the problem is that [120;130[ \cup [60;70[ = \emptyset, not [0;10[ as I said before. I could ascertain that by using the showinfo filter: it prints: [Parsed_showinfo_0 @ 0x55c72f26e880] n: 0 pts:2304000 pts_time:120 Regards, -- Nicolas George
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