FFMpeg-Compressor: FallBackExtension parameter

FFMpeg-Compressor/README.md

@@ -20,6 +20,7 @@ Python utility uses ffmpeg to compress Visual Novel Resources
 
 #### IMAGE section
 * Extension - Required image file extension. It supports: `.apng`, `.avif`, `.bmp`, `.tga`, `.tiff`, `.dds`, `.svg`, `.webp`, `.jpg/.jpeg`, `.png`
+* FallBackExtension - Extension if current format does not support RGBA.
 * Lossless - Enables lossless copression for supported formats. With this quality parameter means quality of compression. (default: `false`)
 * Quality - Quality level of images. Values range: `0-100` (100 - best quality, 0 - worst quality)
 

FFMpeg-Compressor/ffmpeg-comp.toml

@@ -10,6 +10,7 @@ BitRate = "320k"
 
 [IMAGE]
 Extension = "avif"
+FallBackExtension = "webp"
 Lossless = false
 Quality = 80
 

FFMpeg-Compressor/modules/compressor.py

@@ -62,11 +62,11 @@ def compress_image(folder, file, target_folder, extension):
 
     image = Image.open(f'{folder}/{file}')
 
-    if (extension == "jpg" or extension == "jpeg" or
+    if (extension == "jpg" or extension == "jpeg" or extension == "avif" or
             (extension == "webp" and not configloader.config['FFMPEG']['WebpRGBA'])):
         if has_transparency(Image.open(f'{folder}/{file}')):
-            printer.warning(f"{file} has transparency. Changing to png...")
-            extension = ".png"
+            printer.warning(f"{file} has transparency. Changing to fallback...")
+            extension = configloader.config['IMAGE']['FallBackExtension']
 
     printer.files(file, os.path.splitext(file)[0], extension, f"{quality}%")
     image.save(f"{target_folder}/{os.path.splitext(file)[0]}.{extension}",