Add the ability for clients to reduce bitrate when HEVC is used

moonlight-common/src/main/java/com/limelight/nvstream/NvConnection.java

@@ -247,7 +247,9 @@ public class NvConnection {
 							context.negotiatedFps, context.streamConfig.getBitrate(),
 							context.streamConfig.getMaxPacketSize(),
 							context.streamConfig.getRemote(), context.streamConfig.getAudioConfiguration(),
-							context.streamConfig.getHevcSupported(), context.riKey.getEncoded(), ib.array(),
+							context.streamConfig.getHevcSupported(),
+							context.streamConfig.getHevcBitratePercentageMultiplier(),
+							context.riKey.getEncoded(), ib.array(),
 							context.videoCapabilities);
 				}
 			}

moonlight-common/src/main/java/com/limelight/nvstream/StreamConfiguration.java

@@ -25,6 +25,7 @@ public class StreamConfiguration {
 	private int audioChannelCount;
 	private int audioConfiguration;
 	private boolean supportsHevc;
+	private int hevcBitratePercentageMultiplier;
 	
 	public static class Builder {
 		private StreamConfiguration config = new StreamConfiguration();
@@ -74,6 +75,11 @@ public class StreamConfiguration {
 			config.maxPacketSize = maxPacketSize;
 			return this;
 		}
+
+		public StreamConfiguration.Builder setHevcBitratePercentageMultiplier(int multiplier) {
+			config.hevcBitratePercentageMultiplier = multiplier;
+			return this;
+		}
 		
 		public StreamConfiguration.Builder setAudioConfiguration(int audioConfig) {
 			if (audioConfig == MoonBridge.AUDIO_CONFIGURATION_STEREO) {
@@ -173,4 +179,8 @@ public class StreamConfiguration {
 	public boolean getHevcSupported() {
 		return supportsHevc;
 	}
+
+	public int getHevcBitratePercentageMultiplier() {
+		return hevcBitratePercentageMultiplier;
+	}
 }

moonlight-common/src/main/java/com/limelight/nvstream/jni/MoonBridge.java

@@ -160,6 +160,7 @@ public class MoonBridge {
                                               int width, int height, int fps,
                                               int bitrate, int packetSize, boolean streamingRemotely,
                                               int audioConfiguration, boolean supportsHevc,
+                                              int hevcBitratePercentageMultiplier,
                                               byte[] riAesKey, byte[] riAesIv,
                                               int videoCapabilities);