#6128: Using the concat demuxer with images and specified duration directives
produces wrong duration
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Reporter: mulvya | Owner:
Type: defect | Status: new
Priority: normal | Component:
Version: git-master | undetermined
Keywords: | Resolution:
Blocking: | Blocked By:
Analyzed by developer: 0 | Reproduced by developer: 0
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Comment (by Cigaes):
The incorrect duration in the second case goes away with Matroska output;
it seems an artifact of the MP4 format or muxer. It is unrelated to
concat, as it produces the same result when converting from the correct
Matroska file obtained earlier.
To get things working, you need to have the duration of the last image be
a single frame for your chosen frame rate. Since you did not specify
anything, that means 25 FPS, so the last segment need to be {{{duration
0.04}}}.
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Ticket URL: <https://trac.ffmpeg.org/ticket/6128#comment:3>
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