Merge pull request react-native-camera#1523 from fagerbua/ios-288p-video

Support CIF (288p) video quality on iOS

Author: jgfidelis

docs/RNCamera.md

@@ -386,6 +386,9 @@ The promise will be fulfilled with an object with some of the following properti
    - `RNCamera.Constants.VideoQuality.4:3`.
      - `ios` Specifies capture settings suitable for VGA quality (640x480 pixel) video output. (Same as RNCamera.Constants.VideoQuality.480p).
      - `android` Quality level corresponding to the 480p (720 x 480) resolution but with video frame width set to 640.
+   - `RNCamera.Constants.VideoQuality.288p`.
+     - `ios` Specifies capture settings suitable for CIF quality (352x288 pixel) video output.
+     - `android` Not supported.
 
     If nothing is passed the device's highest camera quality will be used as default.
  - `iOS` `codec`. This option specifies the codec of the output video. Setting the codec is only supported on `iOS >= 10`. The possible values are:

ios/RN/RNCameraManager.h

@@ -44,6 +44,7 @@ typedef NS_ENUM(NSInteger, RNCameraVideoResolution) {
     RNCameraVideo1080p = 1,
     RNCameraVideo720p = 2,
     RNCameraVideo4x3 = 3,
+    RNCameraVideo288p = 4,
 };
 
 @interface RNCameraManager : RCTViewManager <RCTBridgeModule>

ios/RN/RNCameraManager.m

@@ -54,6 +54,7 @@ - (NSDictionary *)constantsToExport
                      @"720p": @(RNCameraVideo720p),
                      @"480p": @(RNCameraVideo4x3),
                      @"4:3": @(RNCameraVideo4x3),
+                     @"288p": @(RNCameraVideo288p),
                      },
              @"VideoCodec": [[self class] validCodecTypes],
              @"BarCodeType" : [[self class] validBarCodeTypes],

ios/RN/RNCameraUtils.m

@@ -87,6 +87,8 @@ + (NSString *)captureSessionPresetForVideoResolution:(RNCameraVideoResolution)re
             return AVCaptureSessionPreset1280x720;
         case RNCameraVideo4x3:
             return AVCaptureSessionPreset640x480;
+        case RNCameraVideo288p:
+            return AVCaptureSessionPreset352x288;
         default:
             return AVCaptureSessionPresetHigh;
     }