Merge `onOutputCodecBypassFormatChanged` and `onOutputFormatChanged`

PiperOrigin-RevId: 319230328

library/core/src/main/java/com/google/android/exoplayer2/audio/MediaCodecAudioRenderer.java

@@ -387,11 +387,11 @@ public class MediaCodecAudioRenderer extends MediaCodecRenderer implements Media
   @Override
   protected void configureOutput(Format outputFormat) throws ExoPlaybackException {
     Format audioSinkInputFormat;
-    if (codecPassthroughFormat != null) {
-      @C.Encoding int passthroughEncoding = getPassthroughEncoding(codecPassthroughFormat);
-      // TODO(b/112299307): Passthrough can have become unavailable since usePassthrough was called.
-      Assertions.checkState(passthroughEncoding != C.ENCODING_INVALID);
-      audioSinkInputFormat = outputFormat.buildUpon().setEncoding(passthroughEncoding).build();
+    @Nullable int[] channelMap = null;
+    if (codecPassthroughFormat != null) { // Raw codec passthrough
+      audioSinkInputFormat = getFormatWithEncodingForPassthrough(codecPassthroughFormat);
+    } else if (getCodec() == null) { // Codec bypass passthrough
+      audioSinkInputFormat = getFormatWithEncodingForPassthrough(outputFormat);
     } else {
       MediaFormat mediaFormat = getCodec().getOutputFormat();
       @C.Encoding int encoding;
@@ -407,14 +407,13 @@ public class MediaCodecAudioRenderer extends MediaCodecRenderer implements Media
               .setChannelCount(mediaFormat.getInteger(MediaFormat.KEY_CHANNEL_COUNT))
               .setSampleRate(mediaFormat.getInteger(MediaFormat.KEY_SAMPLE_RATE))
               .build();
-    }
-    @Nullable int[] channelMap = null;
-    if (codecNeedsDiscardChannelsWorkaround
-        && audioSinkInputFormat.channelCount == 6
-        && outputFormat.channelCount < 6) {
-      channelMap = new int[outputFormat.channelCount];
-      for (int i = 0; i < outputFormat.channelCount; i++) {
-        channelMap[i] = i;
+      if (codecNeedsDiscardChannelsWorkaround
+          && audioSinkInputFormat.channelCount == 6
+          && outputFormat.channelCount < 6) {
+        channelMap = new int[outputFormat.channelCount];
+        for (int i = 0; i < outputFormat.channelCount; i++) {
+          channelMap[i] = i;
+        }
       }
     }
     try {
@@ -424,19 +423,6 @@ public class MediaCodecAudioRenderer extends MediaCodecRenderer implements Media
     }
   }
 
-  @Override
-  protected void onOutputBypassFormatChanged(Format outputFormat) throws ExoPlaybackException {
-    @C.Encoding int passthroughEncoding = getPassthroughEncoding(outputFormat);
-    // TODO(b/112299307): Passthrough can have become unavailable since usePassthrough was called.
-    Assertions.checkState(passthroughEncoding != C.ENCODING_INVALID);
-    Format format = outputFormat.buildUpon().setEncoding(passthroughEncoding).build();
-    try {
-      audioSink.configure(format, /* specifiedBufferSize= */ 0, /* outputChannels= */ null);
-    } catch (AudioSink.ConfigurationException e) {
-      throw createRendererException(e, outputFormat);
-    }
-  }
-
   /**
    * Returns the {@link C.Encoding} constant to use for passthrough of the given format, or {@link
    * C#ENCODING_INVALID} if passthrough is not possible.
@@ -799,6 +785,13 @@ public class MediaCodecAudioRenderer extends MediaCodecRenderer implements Media
     }
   }
 
+  private Format getFormatWithEncodingForPassthrough(Format outputFormat) {
+    @C.Encoding int passthroughEncoding = getPassthroughEncoding(outputFormat);
+    // TODO(b/112299307): Passthrough can have become unavailable since usePassthrough was called.
+    Assertions.checkState(passthroughEncoding != C.ENCODING_INVALID);
+    return outputFormat.buildUpon().setEncoding(passthroughEncoding).build();
+  }
+
   /**
    * Returns whether the device's decoders are known to not support setting the codec operating
    * rate.

library/core/src/main/java/com/google/android/exoplayer2/mediacodec/MediaCodecRenderer.java

@@ -1514,19 +1514,6 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
   }
 
   /**
-   * Called when the output {@link Format} changes in bypass mode (no codec used).
-   *
-   * <p>The default implementation is a no-op.
-   *
-   * @param outputFormat The new output {@link MediaFormat}.
-   * @throws ExoPlaybackException Thrown if an error occurs handling the new output media format.
-   */
-  // TODO(b/154849417): merge with {@link #onOutputFormatChanged(Format)}.
-  protected void onOutputBypassFormatChanged(Format outputFormat) throws ExoPlaybackException {
-    // Do nothing.
-  }
-
-  /**
    * Handles supplemental data associated with an input buffer.
    *
    * <p>The default implementation is a no-op.
@@ -2132,7 +2119,7 @@ public abstract class MediaCodecRenderer extends BaseRenderer {
     if (!batchBuffer.isEmpty() && waitingForFirstSampleInFormat) {
       // This is the first buffer in a new format, the output format must be updated.
       outputFormat = Assertions.checkNotNull(inputFormat);
-      onOutputBypassFormatChanged(outputFormat);
+      onOutputFormatChanged(outputFormat);
       waitingForFirstSampleInFormat = false;
     }