update readme

README.md

@@ -47,7 +47,7 @@ Check the [releases](https://github.com/ffplayout/ffplayout/releases/latest) for
 - [live ingest](/docs/live_ingest.md)
 - image source (will loop until out duration is reached)
 - extra audio source (experimental) (has priority over audio from video source)
-- [custom filter](/docs/custom_filters.md)
+- [custom filter](/docs/custom_filters.md) globally in config, or in playlist for specific clips
 
 For preview stream, read: [/docs/preview_stream.md](/docs/preview_stream.md)
 
@@ -78,11 +78,17 @@ Check [install](docs/install.md) for details about how to install ffplayout.
             "out": 647.68,
             "duration": 647.68,
             "source": "/Media/clip1.mp4"
+        }, {
+            "in": 0,
+            "out": 890.02,
+            "duration": 890.02,
+            "source": "/Media/clip2.mp4",
+            "custom_filter": "eq=gamma_b=0.6:gamma_g=0.7[c_v_out]"
         }, {
             "in": 0,
             "out": 149,
             "duration": 149,
-            "source": "/Media/clip2.mp4",
+            "source": "/Media/clip3.mp4",
             "category": "advertisement"
         }, {
             "in": 0,

docs/custom_filters.md

@@ -1,6 +1,6 @@
 ## Custom filter
 
-ffplayout allows it to define a custom filter string. For that is the parameter **custom_filter** in the **ffplayout.yml** config file. The playlist can also contain a **custom_filter** paramter for every clip, with the same usage.
+ffplayout allows it to define a custom filter string. For that is the parameter **custom_filter** in the **ffplayout.yml** config file. The playlist can also contain a **custom_filter** parameter for every clip, with the same usage.
 
 The filter outputs should end with `[c_v_out]` for video filter, and `[c_a_out]` for audio filter. The filters will be apply on every clip and after the filters which unify the clips.