Added FilterType.js with all filters that do not require extra parameters

FilterType.js

@@ -0,0 +1,18 @@
+export default {
+    NONE: '',
+    INVERT: 'CIColorInvert',
+    MONOCHROME: 'CIColorMonochrome',
+    POSTERIZE: 'CIColorPosterize',
+    FALSE: 'CIFalseColor',
+    MAXIMUMCOMPONENT: 'CIMaximumComponent',
+    MINIMUMCOMPONENT: 'CIMinimumComponent',
+    CHROME: 'CIPhotoEffectChrome',
+    FADE: 'CIPhotoEffectFade',
+    INSTANT: 'CIPhotoEffectInstant',
+    MONO: 'CIPhotoEffectMono',
+    NOIR: 'CIPhotoEffectNoir',
+    PROCESS: 'CIPhotoEffectProcess',
+    TONAL: 'CIPhotoEffectTonal',
+    TRANSFER: 'CIPhotoEffectTransfer',
+    SEPIA: 'CISepiaTone'
+};

Video.js

@@ -3,6 +3,7 @@ import PropTypes from 'prop-types';
 import {StyleSheet, requireNativeComponent, NativeModules, View, ViewPropTypes, Image, Platform, findNodeHandle} from 'react-native';
 import resolveAssetSource from 'react-native/Libraries/Image/resolveAssetSource';
 import TextTrackType from './TextTrackType';
+import FilterType from './FilterType';
 import VideoResizeMode from './VideoResizeMode.js';
 
 const styles = StyleSheet.create({
@@ -11,7 +12,7 @@ const styles = StyleSheet.create({
   },
 });
 
-export { TextTrackType };
+export { TextTrackType, FilterType };
 
 export default class Video extends Component {
 
@@ -71,7 +72,7 @@ export default class Video extends Component {
     this.setNativeProps({ fullscreen: false });
   };
 
-  saveAsync = async (options?) => {
+  save = async (options?) => {
     return await NativeModules.VideoManager.save(options, findNodeHandle(this._root));
   }
 
@@ -278,10 +279,25 @@ export default class Video extends Component {
   }
 }
 
-Video.filterTypes = ['Normal', 'Country', 'Winter', 'Black N White', 'Sunrise', 'Artistic'];
-
 Video.propTypes = {
-  filter: PropTypes.oneOf(Video.filterTypes),
+  filter: PropTypes.oneOf([
+      FilterType.NONE,
+      FilterType.INVERT,
+      FilterType.MONOCHROME,
+      FilterType.POSTERIZE,
+      FilterType.FALSE,
+      FilterType.MAXIMUMCOMPONENT,
+      FilterType.MINIMUMCOMPONENT,
+      FilterType.CHROME,
+      FilterType.FADE,
+      FilterType.INSTANT,
+      FilterType.MONO,
+      FilterType.NOIR,
+      FilterType.PROCESS,
+      FilterType.TONAL,
+      FilterType.TRANSFER,
+      FilterType.SEPIA
+  ]),
   /* Native only */
   src: PropTypes.object,
   seek: PropTypes.oneOfType([

ios/Video/RCTVideo.m

@@ -66,7 +66,7 @@ static int const RCTVideoUnset = -1;
   BOOL _fullscreen;
   NSString * _fullscreenOrientation;
   BOOL _fullscreenPlayerPresented;
-  NSString *_filter;
+  NSString *_filterName;
   UIViewController * _presentingViewController;
 #if __has_include(<react-native-video/RCTVideoCache.h>)
   RCTVideoCache * _videoCache;
@@ -862,7 +862,7 @@ static int const RCTVideoUnset = -1;
   [self setResizeMode:_resizeMode];
   [self setRepeat:_repeat];
   [self setPaused:_paused];
-  [self setFilter:_filter];
+  [self setFilter:_filterName];
   [self setControls:_controls];
   [self setAllowsExternalPlayback:_allowsExternalPlayback];
 }
@@ -1254,24 +1254,14 @@ static int const RCTVideoUnset = -1;
   }
 }
 
-- (void)setFilter:(NSString *)filter {
+- (void)setFilter:(NSString *)filterName {
 
-    _filter = filter;
+    _filterName = filterName;
 
     AVAsset *asset = _playerItem.asset;
 
     if (asset != nil) {
 
-        NSDictionary *filters = @{
-                @"Normal": @"",
-                @"Country": @"CISepiaTone",
-                @"Winter": @"CIPhotoEffectProcess",
-                @"Black N White": @"CIPhotoEffectNoir",
-                @"Sunrise": @"CIPhotoEffectTransfer",
-                @"Artistic": @"CIColorPosterize",
-        };
-
-        NSString *filterName = filters[filter];
         CIFilter *filter = [CIFilter filterWithName:filterName];
 
         _playerItem.videoComposition = [AVVideoComposition