Add frameRate & bitrate (shahen94#151)

Author: superandrew213

README.md

@@ -144,7 +144,7 @@ export class App extends Component {
   componentWillMount() {
     const { source } = this.props;
     ProcessingManager.getVideoInfo(source)
-      .then(({ duration, size }) => console.log(duration, size));
+      .then(({ duration, size, frameRate, bitrate }) => console.log(duration, size, frameRate, bitrate));
 
     ProcessingManager.trim(source, options) // like VideoPlayer trim options
           .then((data) => console.log(data));

android/src/main/java/com/shahenlibrary/Events/Events.java

@@ -12,4 +12,6 @@ public class Events {
     public static final String ERROR_TRIM = "error";
     public static final String ORIENTATION = "orientation";
     public static final String SIZE = "size";
+    public static final String FRAMERATE = "frameRate";
+    public static final String BITRATE = "bitrate";
 }

android/src/main/java/com/shahenlibrary/Trimmer/Trimmer.java

@@ -318,6 +318,8 @@ public static void getVideoInfo(String path, Promise promise, ReactApplicationCo
     int width = Integer.parseInt(mmr.extractMetadata(FFmpegMediaMetadataRetriever.METADATA_KEY_VIDEO_WIDTH));
     int height = Integer.parseInt(mmr.extractMetadata(FFmpegMediaMetadataRetriever.METADATA_KEY_VIDEO_HEIGHT));
     int orientation = Integer.parseInt(mmr.extractMetadata(FFmpegMediaMetadataRetriever.METADATA_KEY_VIDEO_ROTATION));
+    int frameRate = Integer.parseInt(mmr.extractMetadata(FFmpegMediaMetadataRetriever.METADATA_KEY_FRAMERATE));
+    int bitrate = Integer.parseInt(mmr.extractMetadata(FFmpegMediaMetadataRetriever.METADATA_KEY_VARIANT_BITRATE));
     if (orientation == 90 || orientation == 270) {
       width = width + height;
       height = width - height;
@@ -333,6 +335,8 @@ public static void getVideoInfo(String path, Promise promise, ReactApplicationCo
     event.putMap(Events.SIZE, size);
     event.putInt(Events.DURATION, duration / 1000);
     event.putInt(Events.ORIENTATION, orientation);
+    event.putInt(Events.FRAMERATE, frameRate);
+    event.putInt(Events.BITRATE, bitrate);
 
     promise.resolve(event);
 

ios/RNVideoProcessing/RNVideoTrimmer/RNVideoTrimmer.swift

@@ -370,6 +370,8 @@ class RNVideoTrimmer: NSObject {
         "height": isPortrait ? naturalSize.width : naturalSize.height
       ]
       assetInfo["size"] = size
+      assetInfo["frameRate"] = Int(round(track.nominalFrameRate))
+      assetInfo["bitrate"] = Int(round(track.estimatedDataRate))
     }
     callback( [NSNull(), assetInfo] )
   }