1 files changed, 169 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/HardwareCodecCapabilityUtils.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/HardwareCodecCapabilityUtils.java
new file mode 100644
index 000000000..864462d9b
--- /dev/null
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/HardwareCodecCapabilityUtils.java
@@ -0,0 +1,169 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ *  * This Source Code Form is subject to the terms of the Mozilla Public
+ *   * License, v. 2.0. If a copy of the MPL was not distributed with this
+ *    * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+package org.mozilla.gecko.util;
+
+import org.mozilla.gecko.annotation.WrapForJNI;
+import org.mozilla.gecko.AppConstants.Versions;
+
+import android.media.MediaCodecInfo;
+import android.media.MediaCodecInfo.CodecCapabilities;
+import android.media.MediaCodecList;
+import android.util.Log;
+
+public final class HardwareCodecCapabilityUtils {
+  private static final String LOGTAG = "GeckoHardwareCodecCapabilityUtils";
+
+  // List of supported HW VP8 encoders.
+  private static final String[] supportedVp8HwEncCodecPrefixes =
+  {"OMX.qcom.", "OMX.Intel." };
+  // List of supported HW VP8 decoders.
+  private static final String[] supportedVp8HwDecCodecPrefixes =
+  {"OMX.qcom.", "OMX.Nvidia.", "OMX.Exynos.", "OMX.Intel." };
+  private static final String VP8_MIME_TYPE = "video/x-vnd.on2.vp8";
+  private static final String VP9_MIME_TYPE = "video/x-vnd.on2.vp9";
+  // NV12 color format supported by QCOM codec, but not declared in MediaCodec -
+  // see /hardware/qcom/media/mm-core/inc/OMX_QCOMExtns.h
+  private static final int
+    COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m = 0x7FA30C04;
+  // Allowable color formats supported by codec - in order of preference.
+  private static final int[] supportedColorList = {
+    CodecCapabilities.COLOR_FormatYUV420Planar,
+    CodecCapabilities.COLOR_FormatYUV420SemiPlanar,
+    CodecCapabilities.COLOR_QCOM_FormatYUV420SemiPlanar,
+    COLOR_QCOM_FORMATYUV420PackedSemiPlanar32m
+  };
+
+  @WrapForJNI
+  public static boolean findDecoderCodecInfoForMimeType(String aMimeType) {
+    for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
+      MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
+      if (info.isEncoder()) {
+        continue;
+      }
+      for (String mimeType : info.getSupportedTypes()) {
+        if (mimeType.equals(aMimeType)) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+
+  public static boolean getHWEncoderCapability() {
+    if (Versions.feature20Plus) {
+      for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
+        MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
+        if (!info.isEncoder()) {
+          continue;
+        }
+        String name = null;
+        for (String mimeType : info.getSupportedTypes()) {
+          if (mimeType.equals(VP8_MIME_TYPE)) {
+            name = info.getName();
+            break;
+          }
+        }
+        if (name == null) {
+          continue;  // No HW support in this codec; try the next one.
+        }
+        Log.e(LOGTAG, "Found candidate encoder " + name);
+
+        // Check if this is supported encoder.
+        boolean supportedCodec = false;
+        for (String codecPrefix : supportedVp8HwEncCodecPrefixes) {
+          if (name.startsWith(codecPrefix)) {
+            supportedCodec = true;
+            break;
+          }
+        }
+        if (!supportedCodec) {
+          continue;
+        }
+
+        // Check if codec supports either yuv420 or nv12.
+        CodecCapabilities capabilities =
+          info.getCapabilitiesForType(VP8_MIME_TYPE);
+        for (int colorFormat : capabilities.colorFormats) {
+          Log.v(LOGTAG, "   Color: 0x" + Integer.toHexString(colorFormat));
+        }
+        for (int supportedColorFormat : supportedColorList) {
+          for (int codecColorFormat : capabilities.colorFormats) {
+            if (codecColorFormat == supportedColorFormat) {
+              // Found supported HW Encoder.
+              Log.e(LOGTAG, "Found target encoder " + name +
+                  ". Color: 0x" + Integer.toHexString(codecColorFormat));
+              return true;
+            }
+          }
+        }
+      }
+    }
+    // No HW encoder.
+    return false;
+  }
+
+  public static boolean getHWDecoderCapability() {
+    return getHWDecoderCapability(VP8_MIME_TYPE);
+  }
+
+  @WrapForJNI
+  public static boolean HasHWVP9() {
+    return getHWDecoderCapability(VP9_MIME_TYPE);
+  }
+
+  public static boolean getHWDecoderCapability(String aMimeType) {
+    if (Versions.feature20Plus) {
+      for (int i = 0; i < MediaCodecList.getCodecCount(); ++i) {
+        MediaCodecInfo info = MediaCodecList.getCodecInfoAt(i);
+        if (info.isEncoder()) {
+          continue;
+        }
+        String name = null;
+        for (String mimeType : info.getSupportedTypes()) {
+          if (mimeType.equals(aMimeType)) {
+            name = info.getName();
+            break;
+          }
+        }
+        if (name == null) {
+          continue;  // No HW support in this codec; try the next one.
+        }
+        Log.e(LOGTAG, "Found candidate decoder " + name);
+
+        // Check if this is supported decoder.
+        boolean supportedCodec = false;
+        for (String codecPrefix : supportedVp8HwDecCodecPrefixes) {
+          if (name.startsWith(codecPrefix)) {
+            supportedCodec = true;
+            break;
+          }
+        }
+        if (!supportedCodec) {
+          continue;
+        }
+
+        // Check if codec supports either yuv420 or nv12.
+        CodecCapabilities capabilities =
+          info.getCapabilitiesForType(aMimeType);
+        for (int colorFormat : capabilities.colorFormats) {
+          Log.v(LOGTAG, "   Color: 0x" + Integer.toHexString(colorFormat));
+        }
+        for (int supportedColorFormat : supportedColorList) {
+          for (int codecColorFormat : capabilities.colorFormats) {
+            if (codecColorFormat == supportedColorFormat) {
+              // Found supported HW decoder.
+              Log.e(LOGTAG, "Found target decoder " + name +
+                  ". Color: 0x" + Integer.toHexString(codecColorFormat));
+              return true;
+            }
+          }
+        }
+      }
+    }
+    return false;  // No HW decoder.
+  }
+}