diff --git a/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecUtil.java b/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecUtil.java
index 6c9bf89c92..d5e6b97fce 100644
--- a/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecUtil.java
+++ b/library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecUtil.java
@@ -289,9 +289,16 @@ public final class MediaCodecUtil {
       // Note: MediaCodecList is sorted by the framework such that the best decoders come first.
       for (int i = 0; i < numberOfCodecs; i++) {
         android.media.MediaCodecInfo codecInfo = mediaCodecList.getCodecInfoAt(i);
+        if (isAlias(codecInfo)) {
+          // Skip aliases of other codecs, since they will also be listed under their canonical
+          // names.
+          continue;
+        }
         String name = codecInfo.getName();
-        @Nullable
-        String codecMimeType = getCodecMimeType(codecInfo, name, secureDecodersExplicit, mimeType);
+        if (!isCodecUsableDecoder(codecInfo, name, secureDecodersExplicit, mimeType)) {
+          continue;
+        }
+        @Nullable String codecMimeType = getCodecMimeType(codecInfo, name, mimeType);
         if (codecMimeType == null) {
           continue;
         }
@@ -373,7 +380,6 @@ public final class MediaCodecUtil {
    *
    * @param info The codec information.
    * @param name The name of the codec
-   * @param secureDecodersExplicit Whether secure decoders were explicitly listed, if present.
    * @param mimeType The MIME type.
    * @return The codec's supported MIME type for media of type {@code mimeType}, or {@code null} if
    *     the codec can't be used. If non-null, the returned type will be equal to {@code mimeType}
@@ -383,12 +389,7 @@ public final class MediaCodecUtil {
   private static String getCodecMimeType(
       android.media.MediaCodecInfo info,
       String name,
-      boolean secureDecodersExplicit,
       String mimeType) {
-    if (!isCodecUsableDecoder(info, name, secureDecodersExplicit, mimeType)) {
-      return null;
-    }
-
     String[] supportedTypes = info.getSupportedTypes();
     for (String supportedType : supportedTypes) {
       if (supportedType.equalsIgnoreCase(mimeType)) {
@@ -591,6 +592,15 @@ public final class MediaCodecUtil {
     }
   }
 
+  private static boolean isAlias(android.media.MediaCodecInfo info) {
+    return Util.SDK_INT >= 29 && isAliasV29(info);
+  }
+
+  @RequiresApi(29)
+  private static boolean isAliasV29(android.media.MediaCodecInfo info) {
+    return info.isAlias();
+  }
+
   /**
    * The result of {@link android.media.MediaCodecInfo#isHardwareAccelerated()} for API levels 29+,
    * or a best-effort approximation for lower levels.