Pass the sample Format to AudioDecoderTrackRenderer.createDecoder.

The FFmpeg extension can support various different MIME types, so pass the
whole format to configure the decoder.
-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=122246589

extensions/flac/src/main/java/com/google/android/exoplayer/ext/flac/LibflacAudioTrackRenderer.java

@@ -22,8 +22,6 @@ import com.google.android.exoplayer.util.MimeTypes;
 
 import android.os.Handler;
 
-import java.util.List;
-
 /**
  * Decodes and renders audio using the native Flac decoder.
  */
@@ -58,8 +56,8 @@ public class LibflacAudioTrackRenderer extends AudioDecoderTrackRenderer {
   }
 
   @Override
-  protected FlacDecoder createDecoder(List<byte[]> initializationData) throws FlacDecoderException {
-    return new FlacDecoder(NUM_BUFFERS, NUM_BUFFERS, initializationData);
+  protected FlacDecoder createDecoder(Format format) throws FlacDecoderException {
+    return new FlacDecoder(NUM_BUFFERS, NUM_BUFFERS, format.initializationData);
   }
 
 }

extensions/opus/src/main/java/com/google/android/exoplayer/ext/opus/LibopusAudioTrackRenderer.java

@@ -22,8 +22,6 @@ import com.google.android.exoplayer.util.MimeTypes;
 
 import android.os.Handler;
 
-import java.util.List;
-
 /**
  * Decodes and renders audio using the native Opus decoder.
  */
@@ -67,9 +65,9 @@ public final class LibopusAudioTrackRenderer extends AudioDecoderTrackRenderer {
   }
 
   @Override
-  protected OpusDecoder createDecoder(List<byte[]> initializationData) throws OpusDecoderException {
+  protected OpusDecoder createDecoder(Format format) throws OpusDecoderException {
     return new OpusDecoder(NUM_BUFFERS, NUM_BUFFERS, INITIAL_INPUT_BUFFER_SIZE,
-        initializationData);
+        format.initializationData);
   }
 
 }

library/src/main/java/com/google/android/exoplayer/extensions/AudioDecoderTrackRenderer.java

@@ -31,8 +31,6 @@ import com.google.android.exoplayer.util.MimeTypes;
 
 import android.os.Handler;
 
-import java.util.List;
-
 /**
  * Decodes and renders audio using a {@link SimpleDecoder}.
  */
@@ -103,7 +101,7 @@ public abstract class AudioDecoderTrackRenderer extends TrackRenderer implements
     // If we don't have a decoder yet, we need to instantiate one.
     if (decoder == null) {
       try {
-        decoder = createDecoder(format.initializationData);
+        decoder = createDecoder(format);
       } catch (AudioDecoderException e) {
         throw ExoPlaybackException.createForRenderer(e, getIndex());
       }
@@ -132,8 +130,7 @@ public abstract class AudioDecoderTrackRenderer extends TrackRenderer implements
   }
 
   protected abstract SimpleDecoder<DecoderInputBuffer, ? extends SimpleOutputBuffer,
-      ? extends AudioDecoderException> createDecoder(List<byte[]> initializationData)
-      throws AudioDecoderException;
+      ? extends AudioDecoderException> createDecoder(Format format) throws AudioDecoderException;
 
   private void renderBuffer() throws AudioDecoderException, AudioTrack.InitializationException,
       AudioTrack.WriteException {