Support VP9 HW video decoding on Android.

talk/app/webrtc/java/jni/androidmediadecoder_jni.cc

Index: talk/app/webrtc/java/jni/androidmediadecoder_jni.cc
diff --git a/talk/app/webrtc/java/jni/androidmediadecoder_jni.cc b/talk/app/webrtc/java/jni/androidmediadecoder_jni.cc
index b664f16e2e53f1fe66c5a4b3e8030f7ca6508c00..3bfad6885fc9eeda1b85f4509b710aa71d08a9f2 100644
--- a/talk/app/webrtc/java/jni/androidmediadecoder_jni.cc
+++ b/talk/app/webrtc/java/jni/androidmediadecoder_jni.cc
@@ -62,6 +62,7 @@ using webrtc::VideoCodec;
 using webrtc::VideoCodecType;
 using webrtc::kVideoCodecH264;
 using webrtc::kVideoCodecVP8;
+using webrtc::kVideoCodecVP9;
 
 namespace webrtc_jni {
 
@@ -332,6 +333,9 @@ int32_t MediaCodecVideoDecoder::InitDecodeOnCodecThread() {
     case kVideoCodecVP8:
       max_pending_frames_ = kMaxPendingFramesVp8;
       break;
+    case kVideoCodecVP9:
+      max_pending_frames_ = kMaxPendingFramesVp9;
+      break;
     case kVideoCodecH264:
       max_pending_frames_ = kMaxPendingFramesH264;
       break;
@@ -790,6 +794,17 @@ MediaCodecVideoDecoderFactory::MediaCodecVideoDecoderFactory() :
     supported_codec_types_.push_back(kVideoCodecVP8);
   }
 
+  bool is_vp9_hw_supported = jni->CallStaticBooleanMethod(
+      j_decoder_class,
+      GetStaticMethodID(jni, j_decoder_class, "isVp9HwSupported", "()Z"));
+  if (CheckException(jni)) {
+    is_vp9_hw_supported = false;
+  }
+  if (is_vp9_hw_supported) {
+    ALOGD << "VP9 HW Decoder supported.";
+    supported_codec_types_.push_back(kVideoCodecVP9);
+  }
+
   bool is_h264_hw_supported = jni->CallStaticBooleanMethod(
       j_decoder_class,
       GetStaticMethodID(jni, j_decoder_class, "isH264HwSupported", "()Z"));