feat(ios): support capture 'quality' param for videos

README.md

@@ -352,6 +352,8 @@ capturing a video clip, the `CaptureErrorCB` callback executes with a
 
 - __duration__: The maximum duration of a video clip, in seconds.
 
+- __quality__: To allow capturing video at different qualities.  A value of `1` ( the default ) means high quality and value of `0` means low quality, suitable for MMS messages.
+
 ### Example
 
     // limit capture operation to 3 video clips
@@ -363,12 +365,15 @@ capturing a video clip, the `CaptureErrorCB` callback executes with a
 
 - The __limit__ property is ignored.  Only one video is recorded per invocation.
 
+- The __quality__ property can have a value of `0.5` for medium quality.
+
+- See [here](https://developer.apple.com/documentation/uikit/uiimagepickercontroller/1619154-videoquality?language=objc) for more details about the __quality__ property on iOS.
+
 ### Android Quirks
 
-- Android supports an additional __quality__ property, to allow capturing video at different qualities.  A value of `1` ( the default ) means high quality and value of `0` means low quality, suitable for MMS messages.
-  See [here](http://developer.android.com/reference/android/provider/MediaStore.html#EXTRA_VIDEO_QUALITY) for more details.
+- See [here](http://developer.android.com/reference/android/provider/MediaStore.html#EXTRA_VIDEO_QUALITY) for more details about the __quality__ property on Android.
 
-### Example ( Android w/ quality )
+### Example ( w/ quality )
 
     // limit capture operation to 1 video clip of low quality
     var options = { limit: 1, quality: 0 };

src/ios/CDVCapture.m

@@ -220,9 +220,10 @@ - (void)captureVideo:(CDVInvokedUrlCommand*)command
         options = [NSDictionary dictionary];
     }
 
-    // options could contain limit, duration and mode
+    // options could contain limit, duration, quality and mode
     // taking more than one video (limit) is only supported if provide own controls via cameraOverlayView property
     NSNumber* duration = [options objectForKey:@"duration"];
+    NSNumber* quality = [options objectForKey:@"quality"];
     NSString* mediaType = nil;
 
     if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
@@ -266,7 +267,18 @@ - (void)captureVideo:(CDVInvokedUrlCommand*)command
         // iOS 4.0
         if ([pickerController respondsToSelector:@selector(cameraCaptureMode)]) {
             pickerController.cameraCaptureMode = UIImagePickerControllerCameraCaptureModeVideo;
-            // pickerController.videoQuality = UIImagePickerControllerQualityTypeHigh;
+            switch ((int) (quality ? [quality doubleValue] * 10 : -1)) {
+                case 0:
+                    pickerController.videoQuality = UIImagePickerControllerQualityTypeLow;
+                    break;
+                case 5:
+                    pickerController.videoQuality = UIImagePickerControllerQualityTypeMedium;
+                    break;
+                case 10:
+                default:
+                    pickerController.videoQuality = UIImagePickerControllerQualityTypeHigh;
+                    break;
+            }
             // pickerController.cameraDevice = UIImagePickerControllerCameraDeviceRear;
             // pickerController.cameraFlashMode = UIImagePickerControllerCameraFlashModeAuto;
         }