commit 69a7fd50476a60ec3def8552993bebef83ed9c58
author Alex Glaznev <glaznev@google.com> Tue Nov 10 10:25:40 2015 -0800
committer Alex Glaznev <glaznev@google.com> Tue Nov 10 18:25:59 2015 +0000
tree 1d07dc52d6ab6d8430697998bd69406ae55ab5de
parent ed8275a44fc13015e6784bf0aba942e836f8d4b7

Support VP9 HW video decoding on Android.

Preliminary verification is done for OMX.google.vp9.decoder codec.

R=magjed@webrtc.org

Review URL: https://codereview.webrtc.org/1416023005 .

Cr-Commit-Position: refs/heads/master@{#10586}

talk/app/webrtc/java/jni/androidmediacodeccommon.h

diff --git a/talk/app/webrtc/java/jni/androidmediacodeccommon.h b/talk/app/webrtc/java/jni/androidmediacodeccommon.h
index 348a716..92ea135 100644
--- a/talk/app/webrtc/java/jni/androidmediacodeccommon.h
+++ b/talk/app/webrtc/java/jni/androidmediacodeccommon.h
@@ -72,6 +72,8 @@
 enum { kMediaCodecStatisticsIntervalMs = 3000 };
 // Maximum amount of pending frames for VP8 decoder.
 enum { kMaxPendingFramesVp8 = 1 };
+// Maximum amount of pending frames for VP9 decoder.
+enum { kMaxPendingFramesVp9 = 1 };
 // Maximum amount of pending frames for H.264 decoder.
 enum { kMaxPendingFramesH264 = 30 };
 // Maximum amount of decoded frames for which per-frame logging is enabled.

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 b664f16..3bfad68 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::VideoCodecType;
 using webrtc::kVideoCodecH264;
 using webrtc::kVideoCodecVP8;
+using webrtc::kVideoCodecVP9;
 
 namespace webrtc_jni {
 
@@ -332,6 +333,9 @@
     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 @@
     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"));

talk/app/webrtc/java/src/org/webrtc/MediaCodecVideoDecoder.java

diff --git a/talk/app/webrtc/java/src/org/webrtc/MediaCodecVideoDecoder.java b/talk/app/webrtc/java/src/org/webrtc/MediaCodecVideoDecoder.java
index ba94cc1..0443114 100644
--- a/talk/app/webrtc/java/src/org/webrtc/MediaCodecVideoDecoder.java
+++ b/talk/app/webrtc/java/src/org/webrtc/MediaCodecVideoDecoder.java
@@ -77,10 +77,14 @@
   private ByteBuffer[] inputBuffers;
   private ByteBuffer[] outputBuffers;
   private static final String VP8_MIME_TYPE = "video/x-vnd.on2.vp8";
+  private static final String VP9_MIME_TYPE = "video/x-vnd.on2.vp9";
   private static final String H264_MIME_TYPE = "video/avc";
   // List of supported HW VP8 decoders.
   private static final String[] supportedVp8HwCodecPrefixes =
     {"OMX.qcom.", "OMX.Nvidia.", "OMX.Exynos.", "OMX.Intel." };
+  // List of supported HW VP9 decoders.
+  private static final String[] supportedVp9HwCodecPrefixes =
+    {"OMX.qcom."};
   // List of supported HW H.264 decoders.
   private static final String[] supportedH264HwCodecPrefixes =
     {"OMX.qcom.", "OMX.Intel." };
@@ -135,6 +139,7 @@
     if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
       return null; // MediaCodec.setParameters is missing.
     }
+    Logging.d(TAG, "Trying to find HW decoder for mime " + mime);
     for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
       MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
       if (info.isEncoder()) {
@@ -150,7 +155,7 @@
       if (name == null) {
         continue;  // No HW support in this codec; try the next one.
       }
-      Logging.v(TAG, "Found candidate decoder " + name);
+      Logging.d(TAG, "Found candidate decoder " + name);
 
       // Check if this is supported decoder.
       boolean supportedCodec = false;
@@ -181,6 +186,7 @@
         }
       }
     }
+    Logging.d(TAG, "No HW decoder found for mime " + mime);
     return null;  // No HW decoder.
   }
 
@@ -188,6 +194,10 @@
     return findDecoder(VP8_MIME_TYPE, supportedVp8HwCodecPrefixes) != null;
   }
 
+  public static boolean isVp9HwSupported() {
+    return findDecoder(VP9_MIME_TYPE, supportedVp9HwCodecPrefixes) != null;
+  }
+
   public static boolean isH264HwSupported() {
     return findDecoder(H264_MIME_TYPE, supportedH264HwCodecPrefixes) != null;
   }
@@ -223,6 +233,9 @@
     if (type == VideoCodecType.VIDEO_CODEC_VP8) {
       mime = VP8_MIME_TYPE;
       supportedCodecPrefixes = supportedVp8HwCodecPrefixes;
+    } else if (type == VideoCodecType.VIDEO_CODEC_VP9) {
+      mime = VP9_MIME_TYPE;
+      supportedCodecPrefixes = supportedVp9HwCodecPrefixes;
     } else if (type == VideoCodecType.VIDEO_CODEC_H264) {
       mime = H264_MIME_TYPE;
       supportedCodecPrefixes = supportedH264HwCodecPrefixes;