python-codecs: fix pil rgba to jpg. fix image close race condition.

plugins/python-codecs/src/gstreamer.py

@@ -144,6 +144,7 @@ class GstImage(scrypted_sdk.Image):
             if bands and bands != capsBands:
                 reformat = format
 
+            colored = None
             if reformat or crop:
                 colored = image
                 image = await image.toImageInternal(
@@ -152,8 +153,6 @@ class GstImage(scrypted_sdk.Image):
                         "format": reformat,
                     }
                 )
-                asyncio.ensure_future(colored.close(), loop = asyncio.get_event_loop())
-
             try:
                 return await image.toBuffer(
                     {
@@ -162,6 +161,8 @@ class GstImage(scrypted_sdk.Image):
                 )
             finally:
                 await image.close()
+                if colored:
+                    await colored.close()
         finally:
             gst_buffer.unmap(info)
 

plugins/python-codecs/src/pilimage.py

@@ -54,7 +54,14 @@ class PILImage(scrypted_sdk.Image):
 
         def save():
             bytesArray = io.BytesIO()
-            pilImage.pilImage.save(bytesArray, format='JPEG')
+            if pilImage.pilImage.mode == 'RGBA':
+                rgb = pilImage.pilImage.convert('RGB')
+                try:
+                    rgb.save(bytesArray, format='JPEG')
+                finally:
+                    rgb.close()
+            else:
+                pilImage.pilImage.save(bytesArray, format='JPEG')
             # pilImage.pilImage.save(bytesArray, format=options['format'])
             return bytesArray.getvalue()