Support for HLS maximum bit rate adaptive streaming

README.md

@@ -583,6 +583,9 @@ Sets the media source. You can pass an asset loaded via require or an object wit
 
 The docs for this prop are incomplete and will be updated as each option is investigated and tested.
 
+#### maximumBitRate
+Sets the maximum bit rate for HLS media sources. If an HLS m3u8 manifest describes multiple streams, the maximum bit rate determines the video stream selected
+
 ##### Asset loaded via require
 
 Example: 

Video.js

@@ -330,6 +330,7 @@ Video.propTypes = {
     // Opaque type returned by require('./video.mp4')
     PropTypes.number
   ]),
+  maximumBitRate: PropTypes.number,
   resizeMode: PropTypes.string,
   poster: PropTypes.string,
   posterResizeMode: Image.propTypes.resizeMode,

android-exoplayer/src/main/java/com/brentvatne/exoplayer/ReactExoplayerView.java

@@ -110,6 +110,7 @@ class ReactExoplayerView extends FrameLayout implements
     private boolean isBuffering;
     private float rate = 1f;
     private float audioVolume = 1f;
+    private int maximumBitRate = 0;
 
     private int minBufferMs = DefaultLoadControl.DEFAULT_MIN_BUFFER_MS;
     private int maxBufferMs = DefaultLoadControl.DEFAULT_MAX_BUFFER_MS;
@@ -244,6 +245,9 @@ class ReactExoplayerView extends FrameLayout implements
         if (player == null) {
             TrackSelection.Factory videoTrackSelectionFactory = new AdaptiveTrackSelection.Factory(BANDWIDTH_METER);
             trackSelector = new DefaultTrackSelector(videoTrackSelectionFactory);
+            trackSelector.setParameters(trackSelector.buildUponParameters()
+                            .setMaxVideoBitrate(maximumBitRate));
+
             DefaultAllocator allocator = new DefaultAllocator(true, C.DEFAULT_BUFFER_SEGMENT_SIZE);
             DefaultLoadControl defaultLoadControl = new DefaultLoadControl(allocator, minBufferMs, maxBufferMs, bufferForPlaybackMs, bufferForPlaybackAfterRebufferMs, -1, true);
             player = ExoPlayerFactory.newSimpleInstance(getContext(), trackSelector, defaultLoadControl);
@@ -906,6 +910,16 @@ class ReactExoplayerView extends FrameLayout implements
       }
     }
 
+    public void setMaximumBitRateModifier(int newMaximumBitRate) {
+        if (newMaximumBitRate==0) newMaximumBitRate =  Integer.MAX_VALUE;
+        maximumBitRate = newMaximumBitRate;
+
+        if (player != null) {
+            trackSelector.setParameters(trackSelector.buildUponParameters()
+                    .setMaxVideoBitrate(maximumBitRate));
+        }
+    }
+
 
     public void setPlayInBackground(boolean playInBackground) {
         this.playInBackground = playInBackground;

android-exoplayer/src/main/java/com/brentvatne/exoplayer/ReactExoplayerViewManager.java

@@ -47,6 +47,7 @@ public class ReactExoplayerViewManager extends ViewGroupManager<ReactExoplayerVi
     private static final String PROP_PROGRESS_UPDATE_INTERVAL = "progressUpdateInterval";
     private static final String PROP_SEEK = "seek";
     private static final String PROP_RATE = "rate";
+    private static final String PROP_MAXIMUM_BIT_RATE = "maximumBitRate";
     private static final String PROP_PLAY_IN_BACKGROUND = "playInBackground";
     private static final String PROP_DISABLE_FOCUS = "disableFocus";
     private static final String PROP_FULLSCREEN = "fullscreen";
@@ -200,6 +201,11 @@ public class ReactExoplayerViewManager extends ViewGroupManager<ReactExoplayerVi
         videoView.setRateModifier(rate);
     }
 
+    @ReactProp(name = PROP_MAXIMUM_BIT_RATE)
+    public void setMaximumBitRate(final ReactExoplayerView videoView, final int maximumBitRate) {
+        videoView.setMaximumBitRateModifier(maximumBitRate);
+    }
+
     @ReactProp(name = PROP_PLAY_IN_BACKGROUND, defaultBoolean = false)
     public void setPlayInBackground(final ReactExoplayerView videoView, final boolean playInBackground) {
         videoView.setPlayInBackground(playInBackground);

ios/Video/RCTVideo.m

@@ -51,6 +51,8 @@ static int const RCTVideoUnset = -1;
   /* Keep track of any modifiers, need to be applied after each play */
   float _volume;
   float _rate;
+  float _maximumBitRate;
+
   BOOL _muted;
   BOOL _paused;
   BOOL _repeat;
@@ -338,6 +340,8 @@ static int const RCTVideoUnset = -1;
       [self addPlayerItemObservers];
       [self setFilter:_filterName];
 
+      _playerItem.preferredPeakBitRate = _maximumBitRate;
+      
       [_player pause];
       [_playerViewController.view removeFromSuperview];
       _playerViewController = nil;
@@ -378,6 +382,11 @@ static int const RCTVideoUnset = -1;
   _videoLoadStarted = YES;
 }
 
+- (void)setMaximumBitRate:(float) maximumBitRate {
+  _maximumBitRate = maximumBitRate;
+  [self applyModifiers];
+}
+
 - (NSURL*) urlFilePath:(NSString*) filepath {
   if ([filepath containsString:@"file://"]) {
     return [NSURL URLWithString:filepath];

ios/Video/RCTVideoManager.m

@@ -19,6 +19,7 @@ RCT_EXPORT_MODULE();
 }
 
 RCT_EXPORT_VIEW_PROPERTY(src, NSDictionary);
+RCT_EXPORT_VIEW_PROPERTY(maximumBitRate, float);
 RCT_EXPORT_VIEW_PROPERTY(resizeMode, NSString);
 RCT_EXPORT_VIEW_PROPERTY(repeat, BOOL);
 RCT_EXPORT_VIEW_PROPERTY(allowsExternalPlayback, BOOL);