python-codecs: fix stride handling

plugins/python-codecs/.vscode/settings.json

@@ -1,7 +1,7 @@
 
 {
     // docker installation
-    "scrypted.debugHost": "koushik-windows",
+    "scrypted.debugHost": "koushik-ubuntu",
     "scrypted.serverRoot": "/server",
 
     // windows installation

plugins/python-codecs/package-lock.json

@@ -1,12 +1,12 @@
 {
    "name": "@scrypted/python-codecs",
-   "version": "0.1.69",
+   "version": "0.1.72",
    "lockfileVersion": 3,
    "requires": true,
    "packages": {
       "": {
          "name": "@scrypted/python-codecs",
-         "version": "0.1.69",
+         "version": "0.1.72",
          "devDependencies": {
             "@scrypted/sdk": "file:../../sdk"
          }

plugins/python-codecs/package.json

@@ -1,6 +1,6 @@
 {
    "name": "@scrypted/python-codecs",
-   "version": "0.1.69",
+   "version": "0.1.72",
    "description": "Python Codecs for Scrypted",
    "keywords": [
       "scrypted",

plugins/python-codecs/src/gst_generator.py

@@ -16,7 +16,7 @@ except:
 
 async def createPipelineIterator(pipeline: str, gst = None):
     loop = asyncio.get_running_loop()
-    pipeline = '{pipeline} ! appsink name=appsink emit-signals=true sync=false max-buffers=-1 drop=true'.format(pipeline=pipeline)
+    pipeline = '{pipeline} ! appsink name=appsink emit-signals=true sync=false'.format(pipeline=pipeline)
     print(pipeline)
     finished = concurrent.futures.Future()
 

plugins/python-codecs/src/gstreamer.py

@@ -105,10 +105,10 @@ class GstImage(scrypted_sdk.Image):
             raise Exception("unable to map gst buffer")
 
         try:
-            # pil = pilimage.new_from_memory(info.data, width, height, capsBands)
-            # pil.convert('RGB').save('/server/volume/test.jpg')
-
             stridePadding = (width * capsBands) % 4
+            if stridePadding:
+                stridePadding = 4 - stridePadding
+
             if stridePadding:
                 if capsBands != 1:
                     raise Exception(
@@ -131,6 +131,10 @@ class GstImage(scrypted_sdk.Image):
                 pil = pilimage.new_from_memory(info.data, width, height, capsBands)
                 image = pilimage.PILImage(pil)
 
+            # if bands == 1:
+            #     pil = pilimage.new_from_memory(info.data, width, height, capsBands)
+            #     pil.convert('RGB').save('/server/volume/test.jpg')
+
             crop = None
             if stridePadding:
                 crop = {