Am 27.02.2023 um 16:34 schrieb Michael Koch:
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.
well, to be more exact ExifTool reports different values:
- Image Width 1920
- Image Height 1088
- Sampled Width 1920
- Sampled Height 1080
- Display Width 1920
- Display Height 1080
- Image Size 1920x1088
Michael
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