setpts pts-startpts

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setpts pts-startpts

ffmpeg -i videohls-1935m-index.ts -y -filter_complex - [0:v]trim=0:10,setpts=PTS-STARTPTS[v0]; - [0:a]atrim=0:10,asetpts=PTS-STARTPTS[a0]; - [0:v]trim=30:90 ... ,2018年6月28日 — I'm aware that using ffmpeg I can do something like ffmpeg -i <video> -vf="setpts=PTS-STARTPTS" <output> to fix this kind of thing. However it's ... ,2020年8月4日 — ... -i video_bottom -filter_complex "[0:v]trim=start='00-:04-:17.8':end='00-:04-:32.8',setpts=PTS-STARTPTS, scale=-1:'ih-ih*.5':eval=frame[v0]; ... ,ffmpeg -i 2.mp4 -i 2.mp4 -filter_complex "[0:v]setpts=PTS-STARTPTS[v0];[1:v]setpts=PTS-STARTPTS+4/TB[v1];[v0][v1]blend=all_mode='overlay':all_opacity=0.7" ... ,2020年8月5日 — ffmpeg -i 1596618603934.webm -i 1596618618345.webm -filter_complex "nullsrc=size=1280x960[base]; [0:v]setpts=PTS-STARTPTS ... ,2020年11月22日 — ... so it is a good idea to pass all overlay inputs through a setpts=PTS-STARTPTS filter to have them begin in the same zero timestamp, such as ... ,ffmpeg -y - -i "Robotica_1080.mkv" - -filter_complex "[0:v]split=2[v1][v2]; - [v1]scale=640:360,setpts=PTS-STARTPTS[vout1]; - [v2]trim=10:15,scale=640:360 ... ,setpts, asetpts. Change the PTS (presentation timestamp) of the input frames. setpts works on video frames, asetpts on audio frames. ... setpts=PTS-STARTPTS. ,PTS stands for Presentation TimeStamps. See What is video timescale, timebase, or timestamp in ffmpeg? e.g. setpts=2*N+5/TB where N is frame index starting from 0, and TB is the timebase of the stream. Let's say it is 1/1000, so each PTS unit is 1 mil,[Solution found!] 使用适应的代码,它应该是ffmpeg -i 1.avi -i 2.avi -filter_complex "nullsrc=size=1856x578[base];[0:v] setpts=PTS-STARTPTS ...

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setpts pts-startpts 相關參考資料
Avoid ffmpeg re encode using complex filter - Super User

ffmpeg -i videohls-1935m-index.ts -y -filter_complex - [0:v]trim=0:10,setpts=PTS-STARTPTS[v0]; - [0:a]atrim=0:10,asetpts=PTS-STARTPTS[a0]; - [0:v]trim=30:90&nbsp;...

https://superuser.com

Does PTS have to start at 0? - Stack Overflow

2018年6月28日 — I&#39;m aware that using ffmpeg I can do something like ffmpeg -i &lt;video&gt; -vf=&quot;setpts=PTS-STARTPTS&quot; &lt;output&gt; to fix this kind of thing. However it&#39;s&nbsp;...

https://stackoverflow.com

ffmpeg delay video in overlay - Stack Overflow

2020年8月4日 — ... -i video_bottom -filter_complex &quot;[0:v]trim=start=&#39;00-:04-:17.8&#39;:end=&#39;00-:04-:32.8&#39;,setpts=PTS-STARTPTS, scale=-1:&#39;ih-ih*.5&#39;:eval=frame[v0];&nbsp;...

https://stackoverflow.com

ffmpeg delay · GitHub

ffmpeg -i 2.mp4 -i 2.mp4 -filter_complex &quot;[0:v]setpts=PTS-STARTPTS[v0];[1:v]setpts=PTS-STARTPTS+4/TB[v1];[v0][v1]blend=all_mode=&#39;overlay&#39;:all_opacity=0.7&quot;&nbsp;...

https://gist.github.com

ffmpeg mixing webm “Filter overlay has an unconnected output”

2020年8月5日 — ffmpeg -i 1596618603934.webm -i 1596618618345.webm -filter_complex &quot;nullsrc=size=1280x960[base]; [0:v]setpts=PTS-STARTPTS&nbsp;...

https://stackoverflow.com

FilteringGuide – FFmpeg

2020年11月22日 — ... so it is a good idea to pass all overlay inputs through a setpts=PTS-STARTPTS filter to have them begin in the same zero timestamp, such as&nbsp;...

https://trac.ffmpeg.org

Manipulating one video into multi outputs with FFmpeg results ...

ffmpeg -y - -i &quot;Robotica_1080.mkv&quot; - -filter_complex &quot;[0:v]split=2[v1][v2]; - [v1]scale=640:360,setpts=PTS-STARTPTS[vout1]; - [v2]trim=10:15,scale=640:360&nbsp;...

https://stackoverflow.com

setpts, asetpts - FFMPEG

setpts, asetpts. Change the PTS (presentation timestamp) of the input frames. setpts works on video frames, asetpts on audio frames. ... setpts=PTS-STARTPTS.

http://underpop.online.fr

What does ffmpeg&#39;s &quot;setpts&quot; filter do exactly? - Stack Overflow

PTS stands for Presentation TimeStamps. See What is video timescale, timebase, or timestamp in ffmpeg? e.g. setpts=2*N+5/TB where N is frame index starting from 0, and TB is the timebase of the stream...

https://stackoverflow.com

使用ffmpeg将两个视频添加到画布 - QA Stack

[Solution found!] 使用适应的代码,它应该是ffmpeg -i 1.avi -i 2.avi -filter_complex &quot;nullsrc=size=1856x578[base];[0:v] setpts=PTS-STARTPTS&nbsp;...

https://qastack.cn