Am 27.02.2023 um 16:07 schrieb William Jones:
Hi All,
I'm having a big problem with ffmpeg at the moment and wanted to pry the
minds of anyone who may know.
Trying to export a image sequence as a .mxf file at 1920x1080, DnxHD 115.
Unfortunately every time I try, the resulting file comes out as 1920x1088
which breaks our pipeline. Ive tried using scale and have tried the source
file being different formats (image sequences or .movs etc) and nothing has
helped so far, which is why the below code doesnt have any scale modifiers
in it.
the code i have been using is below:
ffmpeg - start_number 1000 -i *-inputfile%4d.tiff* -c:v dnxhd -r 24
-b:v115M -pix_fmt yuv422p *outputfile.mxf*
Any help at all would be much appreciated!
Seems to be a bug. The issue is reproducible with these command lines
(started from a Windows batch file):
ffmpeg -f lavfi -i testsrc2=s=1920x1080 -frames 10 -y image%%3d.tiff
ffmpeg -i image%%3d.tiff -c:v dnxhd -r 24 -b:v 115M -pix_fmt yuv422p -y
out.mxf
FFprobe reports 1920x1080, but ExitTool reports 1920x1088.
Michael
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