feat: Video Codec Option for recording video (#645)

* add video codec value

* add types

* use `recommendedVideoSettings` method instead

* lint

* refactor for better readability

* add a method to get available codecs (ios)

* imrove tsDoc description of the videoCodec option

Co-authored-by: Marc Rousavy <marcrousavy@hotmail.com>

* ios format

Co-authored-by: Marc Rousavy <marcrousavy@hotmail.com>

ios/CameraViewManager.swift

@@ -72,6 +72,26 @@ final class CameraViewManager: RCTViewManager {
     component.focus(point: CGPoint(x: x.doubleValue, y: y.doubleValue), promise: promise)
   }
 
+  @objc
+  final func getAvailableVideoCodecs(_ node: NSNumber, fileType: String?, resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) {
+    withPromise(resolve: resolve, reject: reject) {
+      let component = getCameraView(withTag: node)
+      guard let videoOutput = component.videoOutput else {
+        throw CameraError.session(SessionError.cameraNotReady)
+      }
+
+      var parsedFileType = AVFileType.mov
+      if fileType != nil {
+        guard let parsed = try? AVFileType(withString: fileType!) else {
+          throw CameraError.parameter(ParameterError.invalid(unionName: "fileType", receivedValue: fileType!))
+        }
+        parsedFileType = parsed
+      }
+
+      return videoOutput.availableVideoCodecTypesForAssetWriter(writingTo: parsedFileType).map(\.descriptor)
+    }
+  }
+
   @objc
   final func getAvailableCameraDevices(_ resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) {
     withPromise(resolve: resolve, reject: reject) {