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jpeg size limit #110
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Please attach file sample. |
The file was made by Dean Zwikel and is available for download at https://drive.google.com/drive/folders/1-HzuqVk5YAsNzj6zSNqcy97_KYJOZzqr?usp=sharing |
This is a bug/limitation of FFmpeg library, which seems to be not yet fixed even within the latest release:
Fill free to ping FFmpeg team with this issue - maybe this would help somebody to start working on it. As a workaround, you may open this image using FreeImage library instead of FFmpeg (considering that you are running Windows - it still comes with sView as an option):
And to switch back to default FFmpeg (which is usually faster and better for most files):
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Thanks, Kirill.
I had not noticed this before as I rarely make stereo panos bigger than
16K.
I will file a bug report with ffmpeg.
And use your workaround in case they don't fix it :)
Best regards,
-- Tom
…On Fri, Jul 29, 2022 at 5:30 AM Kirill Gavrilov Tartynskih < ***@***.***> wrote:
This is a bug/limitation of FFmpeg library, which seems to be not yet
fixed even within the latest release:
https://trac.ffmpeg.org/ticket/8030
ffmpeg.exe -i "0001_20220722_122118 Panorama_FullSize_OVER-UNDER.JPG"
...
ffmpeg version 2022-07-28-git-6f7d3bde11-full_build-www.gyan.dev Copyright (c) 2000-2022 the FFmpeg developers
built with gcc 12.1.0 (Rev2, Built by MSYS2 project)
...
[mjpeg @ 00000229d6594cc0] [IMGUTILS @ 0000008483bfeca0] Picture size 19116x19116 is invalid
[image2 @ 00000229d6581100] Could not find codec parameters for stream 0 (Video: mjpeg (Baseline), none(bt470bg/unknown/unknown)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize' (5000000) options
Input #0, image2, from '0001_20220722_122118 Panorama_FullSize_OVER-UNDER.JPG':
Duration: 00:00:00.04, start: 0.000000, bitrate: 10365555 kb/s
Stream #0:0: Video: mjpeg (Baseline), none(bt470bg/unknown/unknown), 25 fps, 25 tbr, 25 tbn
At least one output file must be specified
Fill free to ping FFmpeg team with this issue - maybe this would help
somebody to start working on it.
As a workaround, you may open this image using *FreeImage* library
instead of *FFmpeg* (considering that you are running Windows - it still
comes with sView as an option):
sview.exe "0001_20220722_122118 Panorama_FullSize_OVER-UNDER.JPG" --imageLib=FreeImage
And to switch back to default *FFmpeg* (which is usually faster and
better for most files):
sview.exe "0001_20220722_122118 Panorama_FullSize_OVER-UNDER.JPG" --imageLib=FFmpeg
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Maybe not a bug, but it seems that jpegs wider or higher than 16384 pixels cannot be loaded (AVCodec library error 'not an image').
Is there a way around that?
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