Use Spandrel for upscaling and face restoration architectures (aside from GFPGAN and LDSR)

modules/realesrgan_model.py

@@ -1,9 +1,6 @@
 import os
 
-import numpy as np
-from PIL import Image
-from realesrgan import RealESRGANer
-
+from modules.upscaler_utils import upscale_with_model
 from modules.upscaler import Upscaler, UpscalerData
 from modules.shared import cmd_opts, opts
 from modules import modelloader, errors
@@ -14,29 +11,20 @@ class UpscalerRealESRGAN(Upscaler):
         self.name = "RealESRGAN"
         self.user_path = path
         super().__init__()
-        try:
-            from basicsr.archs.rrdbnet_arch import RRDBNet  # noqa: F401
-            from realesrgan import RealESRGANer  # noqa: F401
-            from realesrgan.archs.srvgg_arch import SRVGGNetCompact  # noqa: F401
-            self.enable = True
-            self.scalers = []
-            scalers = self.load_models(path)
+        self.enable = True
+        self.scalers = []
+        scalers = get_realesrgan_models(self)
 
-            local_model_paths = self.find_models(ext_filter=[".pth"])
-            for scaler in scalers:
-                if scaler.local_data_path.startswith("http"):
-                    filename = modelloader.friendly_name(scaler.local_data_path)
-                    local_model_candidates = [local_model for local_model in local_model_paths if local_model.endswith(f"{filename}.pth")]
-                    if local_model_candidates:
-                        scaler.local_data_path = local_model_candidates[0]
+        local_model_paths = self.find_models(ext_filter=[".pth"])
+        for scaler in scalers:
+            if scaler.local_data_path.startswith("http"):
+                filename = modelloader.friendly_name(scaler.local_data_path)
+                local_model_candidates = [local_model for local_model in local_model_paths if local_model.endswith(f"{filename}.pth")]
+                if local_model_candidates:
+                    scaler.local_data_path = local_model_candidates[0]
 
-                if scaler.name in opts.realesrgan_enabled_models:
-                    self.scalers.append(scaler)
-
-        except Exception:
-            errors.report("Error importing Real-ESRGAN", exc_info=True)
-            self.enable = False
-            self.scalers = []
+            if scaler.name in opts.realesrgan_enabled_models:
+                self.scalers.append(scaler)
 
     def do_upscale(self, img, path):
         if not self.enable:
@@ -48,20 +36,18 @@ class UpscalerRealESRGAN(Upscaler):
             errors.report(f"Unable to load RealESRGAN model {path}", exc_info=True)
             return img
 
-        upsampler = RealESRGANer(
-            scale=info.scale,
-            model_path=info.local_data_path,
-            model=info.model(),
-            half=not cmd_opts.no_half and not cmd_opts.upcast_sampling,
-            tile=opts.ESRGAN_tile,
-            tile_pad=opts.ESRGAN_tile_overlap,
+        mod = modelloader.load_spandrel_model(
+            info.local_data_path,
             device=self.device,
+            half=(not cmd_opts.no_half and not cmd_opts.upcast_sampling),
+        )
+        return upscale_with_model(
+            mod,
+            img,
+            tile_size=opts.ESRGAN_tile,
+            tile_overlap=opts.ESRGAN_tile_overlap,
+            # TODO: `outscale`?
         )
-
-        upsampled = upsampler.enhance(np.array(img), outscale=info.scale)[0]
-
-        image = Image.fromarray(upsampled)
-        return image
 
     def load_model(self, path):
         for scaler in self.scalers:
@@ -76,58 +62,43 @@ class UpscalerRealESRGAN(Upscaler):
                 return scaler
         raise ValueError(f"Unable to find model info: {path}")
 
-    def load_models(self, _):
-        return get_realesrgan_models(self)
 
-
-def get_realesrgan_models(scaler):
-    try:
-        from basicsr.archs.rrdbnet_arch import RRDBNet
-        from realesrgan.archs.srvgg_arch import SRVGGNetCompact
-        models = [
-            UpscalerData(
-                name="R-ESRGAN General 4xV3",
-                path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.5.0/realesr-general-x4v3.pth",
-                scale=4,
-                upscaler=scaler,
-                model=lambda: SRVGGNetCompact(num_in_ch=3, num_out_ch=3, num_feat=64, num_conv=32, upscale=4, act_type='prelu')
-            ),
-            UpscalerData(
-                name="R-ESRGAN General WDN 4xV3",
-                path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.5.0/realesr-general-wdn-x4v3.pth",
-                scale=4,
-                upscaler=scaler,
-                model=lambda: SRVGGNetCompact(num_in_ch=3, num_out_ch=3, num_feat=64, num_conv=32, upscale=4, act_type='prelu')
-            ),
-            UpscalerData(
-                name="R-ESRGAN AnimeVideo",
-                path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.5.0/realesr-animevideov3.pth",
-                scale=4,
-                upscaler=scaler,
-                model=lambda: SRVGGNetCompact(num_in_ch=3, num_out_ch=3, num_feat=64, num_conv=16, upscale=4, act_type='prelu')
-            ),
-            UpscalerData(
-                name="R-ESRGAN 4x+",
-                path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.1.0/RealESRGAN_x4plus.pth",
-                scale=4,
-                upscaler=scaler,
-                model=lambda: RRDBNet(num_in_ch=3, num_out_ch=3, num_feat=64, num_block=23, num_grow_ch=32, scale=4)
-            ),
-            UpscalerData(
-                name="R-ESRGAN 4x+ Anime6B",
-                path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.2.4/RealESRGAN_x4plus_anime_6B.pth",
-                scale=4,
-                upscaler=scaler,
-                model=lambda: RRDBNet(num_in_ch=3, num_out_ch=3, num_feat=64, num_block=6, num_grow_ch=32, scale=4)
-            ),
-            UpscalerData(
-                name="R-ESRGAN 2x+",
-                path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.1/RealESRGAN_x2plus.pth",
-                scale=2,
-                upscaler=scaler,
-                model=lambda: RRDBNet(num_in_ch=3, num_out_ch=3, num_feat=64, num_block=23, num_grow_ch=32, scale=2)
-            ),
-        ]
-        return models
-    except Exception:
-        errors.report("Error making Real-ESRGAN models list", exc_info=True)
+def get_realesrgan_models(scaler: UpscalerRealESRGAN):
+    return [
+        UpscalerData(
+            name="R-ESRGAN General 4xV3",
+            path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.5.0/realesr-general-x4v3.pth",
+            scale=4,
+            upscaler=scaler,
+        ),
+        UpscalerData(
+            name="R-ESRGAN General WDN 4xV3",
+            path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.5.0/realesr-general-wdn-x4v3.pth",
+            scale=4,
+            upscaler=scaler,
+        ),
+        UpscalerData(
+            name="R-ESRGAN AnimeVideo",
+            path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.5.0/realesr-animevideov3.pth",
+            scale=4,
+            upscaler=scaler,
+        ),
+        UpscalerData(
+            name="R-ESRGAN 4x+",
+            path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.1.0/RealESRGAN_x4plus.pth",
+            scale=4,
+            upscaler=scaler,
+        ),
+        UpscalerData(
+            name="R-ESRGAN 4x+ Anime6B",
+            path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.2.4/RealESRGAN_x4plus_anime_6B.pth",
+            scale=4,
+            upscaler=scaler,
+        ),
+        UpscalerData(
+            name="R-ESRGAN 2x+",
+            path="https://github.com/xinntao/Real-ESRGAN/releases/download/v0.2.1/RealESRGAN_x2plus.pth",
+            scale=2,
+            upscaler=scaler,
+        ),
+    ]