diff --git a/libraries/decoder_av1/src/main/java/androidx/media3/decoder/av1/Libgav1VideoRenderer.java b/libraries/decoder_av1/src/main/java/androidx/media3/decoder/av1/Libgav1VideoRenderer.java
index 835c505b1f..14ae84f868 100644
--- a/libraries/decoder_av1/src/main/java/androidx/media3/decoder/av1/Libgav1VideoRenderer.java
+++ b/libraries/decoder_av1/src/main/java/androidx/media3/decoder/av1/Libgav1VideoRenderer.java
@@ -140,8 +140,13 @@ public class Libgav1VideoRenderer extends DecoderVideoRenderer {
         C.FORMAT_HANDLED, ADAPTIVE_SEAMLESS, TUNNELING_NOT_SUPPORTED);
   }
 
+  /**
+   * {@inheritDoc}
+   *
+   * @hide
+   */
   @Override
-  protected Gav1Decoder createDecoder(Format format, @Nullable CryptoConfig cryptoConfig)
+  protected final Gav1Decoder createDecoder(Format format, @Nullable CryptoConfig cryptoConfig)
       throws Gav1DecoderException {
     TraceUtil.beginSection("createGav1Decoder");
     int initialInputBufferSize =
diff --git a/libraries/decoder_ffmpeg/src/main/java/androidx/media3/decoder/ffmpeg/FfmpegAudioRenderer.java b/libraries/decoder_ffmpeg/src/main/java/androidx/media3/decoder/ffmpeg/FfmpegAudioRenderer.java
index 3cf05a8ae5..9cfc9b3e3c 100644
--- a/libraries/decoder_ffmpeg/src/main/java/androidx/media3/decoder/ffmpeg/FfmpegAudioRenderer.java
+++ b/libraries/decoder_ffmpeg/src/main/java/androidx/media3/decoder/ffmpeg/FfmpegAudioRenderer.java
@@ -106,10 +106,15 @@ public final class FfmpegAudioRenderer extends DecoderAudioRenderer<FfmpegAudioD
   }
 
   @Override
-  public final @AdaptiveSupport int supportsMixedMimeTypeAdaptation() {
+  public @AdaptiveSupport int supportsMixedMimeTypeAdaptation() {
     return ADAPTIVE_NOT_SEAMLESS;
   }
 
+  /**
+   * {@inheritDoc}
+   *
+   * @hide
+   */
   @Override
   protected FfmpegAudioDecoder createDecoder(Format format, @Nullable CryptoConfig cryptoConfig)
       throws FfmpegDecoderException {
@@ -123,8 +128,13 @@ public final class FfmpegAudioRenderer extends DecoderAudioRenderer<FfmpegAudioD
     return decoder;
   }
 
+  /**
+   * {@inheritDoc}
+   *
+   * @hide
+   */
   @Override
-  public Format getOutputFormat(FfmpegAudioDecoder decoder) {
+  protected Format getOutputFormat(FfmpegAudioDecoder decoder) {
     Assertions.checkNotNull(decoder);
     return new Format.Builder()
         .setSampleMimeType(MimeTypes.AUDIO_RAW)
diff --git a/libraries/decoder_flac/src/main/java/androidx/media3/decoder/flac/LibflacAudioRenderer.java b/libraries/decoder_flac/src/main/java/androidx/media3/decoder/flac/LibflacAudioRenderer.java
index 575e402535..af33a1dfa1 100644
--- a/libraries/decoder_flac/src/main/java/androidx/media3/decoder/flac/LibflacAudioRenderer.java
+++ b/libraries/decoder_flac/src/main/java/androidx/media3/decoder/flac/LibflacAudioRenderer.java
@@ -108,6 +108,11 @@ public final class LibflacAudioRenderer extends DecoderAudioRenderer<FlacDecoder
     }
   }
 
+  /**
+   * {@inheritDoc}
+   *
+   * @hide
+   */
   @Override
   protected FlacDecoder createDecoder(Format format, @Nullable CryptoConfig cryptoConfig)
       throws FlacDecoderException {
@@ -118,6 +123,11 @@ public final class LibflacAudioRenderer extends DecoderAudioRenderer<FlacDecoder
     return decoder;
   }
 
+  /**
+   * {@inheritDoc}
+   *
+   * @hide
+   */
   @Override
   protected Format getOutputFormat(FlacDecoder decoder) {
     return getOutputFormat(decoder.getStreamMetadata());
diff --git a/libraries/decoder_opus/src/main/java/androidx/media3/decoder/opus/LibopusAudioRenderer.java b/libraries/decoder_opus/src/main/java/androidx/media3/decoder/opus/LibopusAudioRenderer.java
index a8f2f7462f..c685126b8b 100644
--- a/libraries/decoder_opus/src/main/java/androidx/media3/decoder/opus/LibopusAudioRenderer.java
+++ b/libraries/decoder_opus/src/main/java/androidx/media3/decoder/opus/LibopusAudioRenderer.java
@@ -95,8 +95,13 @@ public class LibopusAudioRenderer extends DecoderAudioRenderer<OpusDecoder> {
     }
   }
 
+  /**
+   * {@inheritDoc}
+   *
+   * @hide
+   */
   @Override
-  protected OpusDecoder createDecoder(Format format, @Nullable CryptoConfig cryptoConfig)
+  protected final OpusDecoder createDecoder(Format format, @Nullable CryptoConfig cryptoConfig)
       throws OpusDecoderException {
     TraceUtil.beginSection("createOpusDecoder");
     @SinkFormatSupport
@@ -121,8 +126,13 @@ public class LibopusAudioRenderer extends DecoderAudioRenderer<OpusDecoder> {
     return decoder;
   }
 
+  /**
+   * {@inheritDoc} g
+   *
+   * @hide
+   */
   @Override
-  protected Format getOutputFormat(OpusDecoder decoder) {
+  protected final Format getOutputFormat(OpusDecoder decoder) {
     @C.PcmEncoding
     int pcmEncoding = decoder.outputFloat ? C.ENCODING_PCM_FLOAT : C.ENCODING_PCM_16BIT;
     return Util.getPcmFormat(pcmEncoding, decoder.channelCount, OpusDecoder.SAMPLE_RATE);