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Add fallback for 0-dimension images (webp animations) (#6342)

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Otter Bot Society 2025-12-01 19:14:42 -08:00 committed by GitHub
parent 90dd0b58d8
commit 5f16547e58
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1 changed files with 19 additions and 0 deletions
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19
pkg/file/image/scan.go
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@ -74,6 +74,25 @@ func (d *Decorator) Decorate(ctx context.Context, fs models.FS, f models.File) (
Height: probe.Height,
}
// FFprobe has a known bug where it returns 0x0 dimensions for some animated WebP files
// Fall back to image.DecodeConfig in this case.
// See: https://trac.ffmpeg.org/ticket/4907
if ret.Width == 0 || ret.Height == 0 {
logger.Warnf("FFprobe returned invalid dimensions (%dx%d) for %q, trying fallback decoder", ret.Width, ret.Height, base.Path)
c, format, err := decodeConfig(fs, base.Path)
if err != nil {
logger.Warnf("Fallback decoder failed for %q: %s. Proceeding with original FFprobe result", base.Path, err)
} else {
ret.Width = c.Width
ret.Height = c.Height
// Update format if it differs (fallback decoder may be more accurate)
if format != "" && format != ret.Format {
logger.Debugf("Updating format from %q to %q for %q", ret.Format, format, base.Path)
ret.Format = format
}
}
}
adjustForOrientation(fs, base.Path, ret)
return ret, nil