From b97ec5edfc758bc9ed0c3b71f425acb6a1dc3071 Mon Sep 17 00:00:00 2001
From: sheenachhabra <sheenachhabra@google.com>
Date: Wed, 17 May 2023 17:49:53 +0000
Subject: [PATCH] Add default constructor for InAppMuxer.Factory

PiperOrigin-RevId: 532838813
(cherry picked from commit 410840c9e19836fe1fc5c38001a6150fefe29027)
---
 .../TransformerWithInAppMuxerEndToEndTest.java         | 10 ++--------
 .../mh/TransformerWithInAppMuxerEndToEndTest.java      |  6 +-----
 .../java/androidx/media3/transformer/InAppMuxer.java   | 10 ++++++++++
 3 files changed, 13 insertions(+), 13 deletions(-)

diff --git a/libraries/transformer/src/androidTest/java/androidx/media3/transformer/TransformerWithInAppMuxerEndToEndTest.java b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/TransformerWithInAppMuxerEndToEndTest.java
index bd013cdb90..00432e1905 100644
--- a/libraries/transformer/src/androidTest/java/androidx/media3/transformer/TransformerWithInAppMuxerEndToEndTest.java
+++ b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/TransformerWithInAppMuxerEndToEndTest.java
@@ -53,10 +53,7 @@ public class TransformerWithInAppMuxerEndToEndTest {
   public void videoEditing_completesSuccessfully() throws Exception {
     String testId = "videoEditing_completesSuccessfully";
     Transformer transformer =
-        new Transformer.Builder(context)
-            .setMuxerFactory(
-                new InAppMuxer.Factory(DefaultMuxer.Factory.DEFAULT_MAX_DELAY_BETWEEN_SAMPLES_MS))
-            .build();
+        new Transformer.Builder(context).setMuxerFactory(new InAppMuxer.Factory()).build();
     ImmutableList<Effect> videoEffects = ImmutableList.of(RgbFilter.createGrayscaleFilter());
     MediaItem mediaItem = MediaItem.fromUri(Uri.parse(MP4_FILE_ASSET_DIRECTORY + inputFile));
     EditedMediaItem editedMediaItem =
@@ -76,10 +73,7 @@ public class TransformerWithInAppMuxerEndToEndTest {
   public void audioEditing_completesSuccessfully() throws Exception {
     String testId = "audioEditing_completesSuccessfully";
     Transformer transformer =
-        new Transformer.Builder(context)
-            .setMuxerFactory(
-                new InAppMuxer.Factory(DefaultMuxer.Factory.DEFAULT_MAX_DELAY_BETWEEN_SAMPLES_MS))
-            .build();
+        new Transformer.Builder(context).setMuxerFactory(new InAppMuxer.Factory()).build();
     ChannelMixingAudioProcessor channelMixingAudioProcessor = new ChannelMixingAudioProcessor();
     channelMixingAudioProcessor.putChannelMixingMatrix(
         ChannelMixingMatrix.create(/* inputChannelCount= */ 1, /* outputChannelCount= */ 2));
diff --git a/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/TransformerWithInAppMuxerEndToEndTest.java b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/TransformerWithInAppMuxerEndToEndTest.java
index 5a68a30f8f..2a6fd46193 100644
--- a/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/TransformerWithInAppMuxerEndToEndTest.java
+++ b/libraries/transformer/src/androidTest/java/androidx/media3/transformer/mh/TransformerWithInAppMuxerEndToEndTest.java
@@ -25,7 +25,6 @@ import androidx.media3.common.Effect;
 import androidx.media3.common.MediaItem;
 import androidx.media3.effect.RgbFilter;
 import androidx.media3.transformer.AndroidTestUtil;
-import androidx.media3.transformer.DefaultMuxer;
 import androidx.media3.transformer.EditedMediaItem;
 import androidx.media3.transformer.Effects;
 import androidx.media3.transformer.ExportTestResult;
@@ -50,10 +49,7 @@ public class TransformerWithInAppMuxerEndToEndTest {
       return;
     }
     Transformer transformer =
-        new Transformer.Builder(context)
-            .setMuxerFactory(
-                new InAppMuxer.Factory(DefaultMuxer.Factory.DEFAULT_MAX_DELAY_BETWEEN_SAMPLES_MS))
-            .build();
+        new Transformer.Builder(context).setMuxerFactory(new InAppMuxer.Factory()).build();
     ImmutableList<Effect> videoEffects = ImmutableList.of(RgbFilter.createGrayscaleFilter());
     MediaItem mediaItem = MediaItem.fromUri(Uri.parse(MP4_ASSET_AV1_VIDEO_URI_STRING));
     EditedMediaItem editedMediaItem =
diff --git a/libraries/transformer/src/main/java/androidx/media3/transformer/InAppMuxer.java b/libraries/transformer/src/main/java/androidx/media3/transformer/InAppMuxer.java
index 31d5cefbb4..f80f7f4e8b 100644
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/InAppMuxer.java
+++ b/libraries/transformer/src/main/java/androidx/media3/transformer/InAppMuxer.java
@@ -42,6 +42,16 @@ public final class InAppMuxer implements Muxer {
   public static final class Factory implements Muxer.Factory {
     private final long maxDelayBetweenSamplesMs;
 
+    /**
+     * Creates an instance with {@link Muxer#getMaxDelayBetweenSamplesMs() maxDelayBetweenSamplesMs}
+     * set to {@link DefaultMuxer.Factory#DEFAULT_MAX_DELAY_BETWEEN_SAMPLES_MS}.
+     */
+    public Factory() {
+      this(
+          /* maxDelayBetweenSamplesMs= */ DefaultMuxer.Factory
+              .DEFAULT_MAX_DELAY_BETWEEN_SAMPLES_MS);
+    }
+
     /** {@link Muxer.Factory} for {@link InAppMuxer}. */
     public Factory(long maxDelayBetweenSamplesMs) {
       this.maxDelayBetweenSamplesMs = maxDelayBetweenSamplesMs;