fix naming and formatting

Author: AradiPatrik

libraries/effect/src/main/java/androidx/media3/effect/DefaultVideoCompositor.java

@@ -27,7 +27,6 @@
 import android.opengl.EGLSurface;
 import android.opengl.GLES20;
 import android.util.SparseArray;
-
 import androidx.annotation.GuardedBy;
 import androidx.annotation.IntRange;
 import androidx.annotation.Nullable;
@@ -43,18 +42,15 @@
 import androidx.media3.common.util.Size;
 import androidx.media3.common.util.UnstableApi;
 import androidx.media3.common.util.Util;
-
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
-
-import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
-
 import java.io.IOException;
 import java.util.ArrayDeque;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Queue;
 import java.util.concurrent.ExecutorService;
+import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
 /**
  * A basic {@link VideoCompositor} implementation that takes in frames from input sources' streams
@@ -146,9 +142,9 @@ public DefaultVideoCompositor(
   }
 
   @Override
-  public synchronized int registerInputSource(int sequenceId) {
-    inputSources.put(sequenceId, new InputSource());
-    return sequenceId;
+  public synchronized int registerInputSource(int sequenceIndex) {
+    inputSources.put(sequenceIndex, new InputSource());
+    return sequenceIndex;
   }
 
   @Override

libraries/effect/src/main/java/androidx/media3/effect/MultipleInputVideoGraph.java

@@ -258,7 +258,6 @@ public void onEnded() {
                     onPreProcessingVideoFrameProcessorEnded(videoCompositorInputId);
                   }
                 });
-
     preProcessors.put(videoCompositorInputId, preProcessor);
     return videoCompositorInputId;
   }

libraries/effect/src/main/java/androidx/media3/effect/VideoCompositor.java

@@ -49,10 +49,10 @@ interface Listener {
    * Registers a new input source, and returns a unique {@code inputId} corresponding to this
    * source, to be used in {@link #queueInputTexture}.
    *
-   * @param sequenceId The sequence ID of the input source, which is can be used to determine the
-   * order of the input sources.
+   * @param sequenceIndex The sequence index of the input source, which is can be used to determine
+   * the order of the input sources.
    */
-  int registerInputSource(int sequenceId);
+  int registerInputSource(int sequenceIndex);
   /**
    * Signals that no more frames will come from the upstream {@link GlTextureProducer.Listener}.
    *

libraries/transformer/src/main/java/androidx/media3/transformer/SampleExporter.java

@@ -67,7 +67,8 @@ public SampleExporter(Format firstInputFormat, MuxerWrapper muxerWrapper) {
    * @param sequenceIndex The sequence index of the input.
    * @throws ExportException If an error occurs getting the input.
    */
-  public abstract GraphInput getInput(EditedMediaItem editedMediaItem, Format format, int sequenceIndex) throws ExportException;
+  public abstract GraphInput getInput(
+     EditedMediaItem editedMediaItem, Format format, int sequenceIndex) throws ExportException;
 
   /**
    * Processes the input data and returns whether it may be possible to process more data by calling

libraries/transformer/src/main/java/androidx/media3/transformer/TransformerInternal.java

@@ -582,7 +582,7 @@ public SampleConsumer onOutputFormat(Format assetLoaderOutputFormat) throws Expo
         }
 
         GraphInput sampleExporterInput =
-          sampleExporter.getInput(firstEditedMediaItem, assetLoaderOutputFormat, sequenceIndex);
+            sampleExporter.getInput(firstEditedMediaItem, assetLoaderOutputFormat, sequenceIndex);
         OnMediaItemChangedListener onMediaItemChangedListener =
             (editedMediaItem, durationUs, decodedFormat, isLast) -> {
               onMediaItemChanged(trackType, durationUs, isLast);

libraries/transformer/src/main/java/androidx/media3/transformer/VideoSampleExporter.java

@@ -31,7 +31,6 @@
 import android.media.MediaCodecInfo;
 import android.util.Pair;
 import android.view.Surface;
-
 import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.media3.common.C;
@@ -50,17 +49,14 @@
 import androidx.media3.effect.DebugTraceUtil;
 import androidx.media3.effect.VideoCompositorSettings;
 import androidx.media3.exoplayer.mediacodec.MediaCodecUtil;
-
 import com.google.common.collect.ImmutableList;
 import com.google.common.util.concurrent.MoreExecutors;
-
+import java.nio.ByteBuffer;
+import java.util.List;
 import org.checkerframework.checker.initialization.qual.Initialized;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 import org.checkerframework.dataflow.qual.Pure;
 
-import java.nio.ByteBuffer;
-import java.util.List;
-
 /** Processes, encodes and muxes raw video frames. */
 /* package */ final class VideoSampleExporter extends SampleExporter {