当图片文件扩展名和实际图片格式不符时，输出错误。
Closed this issue · 2 comments
透明哥哥，从一些epub电子书提取的图片，会有一些图片文件扩展名和实际图片格式不符的情况，这种情况模型可以超分，但是输出文件时会报错😂。
希望能够还是按源文件的后缀名（需求是超分后替换到源文件里面的图片，所以希望能够继续按源文件的后缀名输出。——将错就就，哈哈😊）
`Using executable: D:\App\App_totalcmd\SoftDir_program\realesrgan-gui-windows-bundled-v0.2.5.0\realesrgan-ncnn-vulkan.exe
[0 NVIDIA GeForce GTX 1070 Ti] queueC=2[8] queueG=0[16] queueT=1[2]
[0 NVIDIA GeForce GTX 1070 Ti] bugsbn1=0 bugbilz=0 bugcopc=0 bugihfa=0
[0 NVIDIA GeForce GTX 1070 Ti] fp16-p/s/a=1/1/0 int8-p/s/a=1/1/1
[0 NVIDIA GeForce GTX 1070 Ti] subgroup=32 basic=1 vote=1 ballot=1 shuffle=1
image E:\Download\demo-图片文件扩展名和实际图片格式不符\0.jpg has alpha channel ! E:\Download\demo-图片文件扩展名和实际图片格式不符\0.jpg will output C:\Users\Ben\AppData\Local\Temp\3M5y2sDrxZxUb9BT.jpg.png
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E:\Download\demo-图片文件扩展名和实际图片格式不符\0.jpg -> C:\Users\Ben\AppData\Local\Temp\3M5y2sDrxZxUb9BT.jpg.png done
Traceback (most recent call last):
File "task.py", line 294, in taskRunner
File "task.py", line 107, in run
File "PIL\Image.py", line 3247, in open
FileNotFoundError: [Errno 2] No such file or directory: 'C:\Users\Ben\AppData\Local\Temp\3M5y2sDrxZxUb9BT.jpg'
`
Real-ESRGAN 有这么一个操作，如果输入文件是有 alpha 通道的图片，但是输出扩展名又是不支持 alpha 通道的 JPG（在 GUI 里批处理的时候碰到这种扩展名 JPG 但是实际格式不是的图片就会出现这种情况），就会继续按 PNG 输出，同时强行给输出的文件名加一个 '.png'，导致 GUI 后续的处理找不到文件。
检测到这种情况就重命名回去好了……
太棒了，感谢，enjoy a cup of coffee~ 😘