Oct 6, 2019 · The setpts filter evaluates the expression and assigns the value as the timestamp for the current frame it is processing.
Filtering in FFmpeg is enabled through the libavfilter library. In libavfilter, a filter can have multiple inputs and multiple outputs.
Mar 14, 2018 · PTS is presentation timestamp, the time at which the frame ought to be presented i.e. shown. If you divide each frame's timestamp by 2 (0 ...
May 27, 2024 · Yes, the issue is that my input is 25 fps and my output is 60 fps. So the setpts value needs to be multiplied by 60/25 to "fill in" the frames.
Dec 1, 2020 · Use the setpts (set presentation timestamp) video filter ( -vf ). The argument to the setpts filter is a formula for how to set the timestamp.
Summary of the bug: fps filter use current_pts to duplicate frames at end, but current_pts > last pts after setpts filter and fps insert too many frames at ...
Duration: 4:12
Posted: Aug 1, 2019
Posted: Aug 1, 2019
Apr 24, 2021 · Remove video segments (without audio) · setpts : change the PTS (presentation timestamp) of the frame filter. · = : option for the setpts filter.
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Sep 7, 2023 · The speed of a video stream can be changed by changing the presentation timestamp (PTS) of each video frame. This can be done via two methods.
Dec 25, 2020 · I'm trying to change the frame rate (and thus duration) of a video with no audio stream. My video is 23 seconds long @ constant 30 fps but I ...