diff --git a/library/src/main/java/com/google/android/exoplayer/MediaCodecAudioTrackRenderer.java b/library/src/main/java/com/google/android/exoplayer/MediaCodecAudioTrackRenderer.java
index 4c86e9c898..8adafbeeeb 100644
--- a/library/src/main/java/com/google/android/exoplayer/MediaCodecAudioTrackRenderer.java
+++ b/library/src/main/java/com/google/android/exoplayer/MediaCodecAudioTrackRenderer.java
@@ -330,6 +330,12 @@ public class MediaCodecAudioTrackRenderer extends MediaCodecTrackRenderer implem
   protected boolean processOutputBuffer(long positionUs, long elapsedRealtimeUs, MediaCodec codec,
       ByteBuffer buffer, MediaCodec.BufferInfo bufferInfo, int bufferIndex, boolean shouldSkip)
       throws ExoPlaybackException {
+    if (passthroughEnabled && (bufferInfo.flags & MediaCodec.BUFFER_FLAG_CODEC_CONFIG) != 0) {
+      // Discard output buffers from the passthrough (raw) decoder containing codec specific data.
+      codec.releaseOutputBuffer(bufferIndex, false);
+      return true;
+    }
+
     if (shouldSkip) {
       codec.releaseOutputBuffer(bufferIndex, false);
       codecCounters.skippedOutputBufferCount++;