Observator Casualis (2018-01-04): > I tried to concatenate two .mp4 videos (both H264 1920x1080 25fps + AAC > stereo 48000Hz) by concat protocol and concat demuxer. The second video > was very short (less than a second). > The result was that the concatenated video did not show the short video. > > After some tries I found out, that in order for this to work, the short > video has to be at least about 2 seconds long.
The concat protocol cannot work with MP4 format. I do not know of a time limitation for the concat demuxer, it should not have any. The problem probably lies elsewhere. Regards, -- Nicolas George
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