Expose the HDR ColorInfo in the VpxOutputBuffer so the renderer can use it.

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=157267699

extensions/vp9/src/main/java/com/google/android/exoplayer2/ext/vp9/LibvpxVideoRenderer.java

@@ -71,7 +71,7 @@ public final class LibvpxVideoRenderer extends BaseRenderer {
   private DecoderCounters decoderCounters;
   private Format format;
   private VpxDecoder decoder;
-  private DecoderInputBuffer inputBuffer;
+  private VpxInputBuffer inputBuffer;
   private VpxOutputBuffer outputBuffer;
   private VpxOutputBuffer nextOutputBuffer;
   private DrmSession<ExoMediaCrypto> drmSession;
@@ -394,6 +394,7 @@ public final class LibvpxVideoRenderer extends BaseRenderer {
       return false;
     }
     inputBuffer.flip();
+    inputBuffer.colorInfo = formatHolder.format.colorInfo;
     decoder.queueInputBuffer(inputBuffer);
     decoderCounters.inputBufferCount++;
     inputBuffer = null;

extensions/vp9/src/main/java/com/google/android/exoplayer2/ext/vp9/VpxDecoder.java

@@ -17,7 +17,6 @@ package com.google.android.exoplayer2.ext.vp9;
 
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.decoder.CryptoInfo;
-import com.google.android.exoplayer2.decoder.DecoderInputBuffer;
 import com.google.android.exoplayer2.decoder.SimpleDecoder;
 import com.google.android.exoplayer2.drm.DecryptionException;
 import com.google.android.exoplayer2.drm.ExoMediaCrypto;
@@ -27,7 +26,7 @@ import java.nio.ByteBuffer;
  * Vpx decoder.
  */
 /* package */ final class VpxDecoder extends
-    SimpleDecoder<DecoderInputBuffer, VpxOutputBuffer, VpxDecoderException> {
+    SimpleDecoder<VpxInputBuffer, VpxOutputBuffer, VpxDecoderException> {
 
   public static final int OUTPUT_MODE_NONE = -1;
   public static final int OUTPUT_MODE_YUV = 0;
@@ -54,7 +53,7 @@ import java.nio.ByteBuffer;
    */
   public VpxDecoder(int numInputBuffers, int numOutputBuffers, int initialInputBufferSize,
       ExoMediaCrypto exoMediaCrypto) throws VpxDecoderException {
-    super(new DecoderInputBuffer[numInputBuffers], new VpxOutputBuffer[numOutputBuffers]);
+    super(new VpxInputBuffer[numInputBuffers], new VpxOutputBuffer[numOutputBuffers]);
     if (!VpxLibrary.isAvailable()) {
       throw new VpxDecoderException("Failed to load decoder native libraries.");
     }
@@ -85,8 +84,8 @@ import java.nio.ByteBuffer;
   }
 
   @Override
-  protected DecoderInputBuffer createInputBuffer() {
+  protected VpxInputBuffer createInputBuffer() {
-    return new DecoderInputBuffer(DecoderInputBuffer.BUFFER_REPLACEMENT_MODE_DIRECT);
+    return new VpxInputBuffer();
   }
 
   @Override
@@ -100,7 +99,7 @@ import java.nio.ByteBuffer;
   }
 
   @Override
-  protected VpxDecoderException decode(DecoderInputBuffer inputBuffer, VpxOutputBuffer outputBuffer,
+  protected VpxDecoderException decode(VpxInputBuffer inputBuffer, VpxOutputBuffer outputBuffer,
       boolean reset) {
     ByteBuffer inputData = inputBuffer.data;
     int inputSize = inputData.limit();
@@ -128,6 +127,7 @@ import java.nio.ByteBuffer;
     } else if (getFrameResult == -1) {
       return new VpxDecoderException("Buffer initialization failed.");
     }
+    outputBuffer.colorInfo = inputBuffer.colorInfo;
     return null;
   }
 

extensions/vp9/src/main/java/com/google/android/exoplayer2/ext/vp9/VpxInputBuffer.java

@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.android.exoplayer2.ext.vp9;
+
+import com.google.android.exoplayer2.decoder.DecoderInputBuffer;
+import com.google.android.exoplayer2.video.ColorInfo;
+
+/**
+ * Input buffer to a {@link VpxDecoder}.
+ */
+/* package */ final class VpxInputBuffer extends DecoderInputBuffer {
+
+  public ColorInfo colorInfo;
+
+  public VpxInputBuffer() {
+    super(DecoderInputBuffer.BUFFER_REPLACEMENT_MODE_DIRECT);
+  }
+
+}

extensions/vp9/src/main/java/com/google/android/exoplayer2/ext/vp9/VpxOutputBuffer.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.ext.vp9;
 
 import com.google.android.exoplayer2.decoder.OutputBuffer;
+import com.google.android.exoplayer2.video.ColorInfo;
 import java.nio.ByteBuffer;
 
 /**
@@ -37,6 +38,8 @@ import java.nio.ByteBuffer;
   public ByteBuffer data;
   public int width;
   public int height;
+  public ColorInfo colorInfo;
+
   /**
    * YUV planes for YUV mode.
    */