Add an analyzer mode option to Transformer demo.

PiperOrigin-RevId: 639746452

demos/transformer/src/main/java/androidx/media3/demo/transformer/ConfigurationActivity.java

@@ -77,6 +77,7 @@ public final class ConfigurationActivity extends AppCompatActivity {
   public static final String TRIM_START_MS = "trim_start_ms";
   public static final String TRIM_END_MS = "trim_end_ms";
   public static final String ENABLE_FALLBACK = "enable_fallback";
+  public static final String ENABLE_ANALYZER_MODE = "enable_analyzer_mode";
   public static final String ENABLE_DEBUG_PREVIEW = "enable_debug_preview";
   public static final String ABORT_SLOW_EXPORT = "abort_slow_export";
   public static final String PRODUCE_FRAGMENTED_MP4 = "produce_fragmented_mp4";
@@ -170,6 +171,7 @@ public final class ConfigurationActivity extends AppCompatActivity {
   private @MonotonicNonNull Spinner rotateSpinner;
   private @MonotonicNonNull CheckBox trimCheckBox;
   private @MonotonicNonNull CheckBox enableFallbackCheckBox;
+  private @MonotonicNonNull CheckBox enableAnalyzerModeCheckBox;
   private @MonotonicNonNull CheckBox enableDebugPreviewCheckBox;
   private @MonotonicNonNull CheckBox enableDebugTracingCheckBox;
   private @MonotonicNonNull CheckBox abortSlowExportCheckBox;
@@ -292,6 +294,7 @@ public final class ConfigurationActivity extends AppCompatActivity {
     trimEndMs = C.TIME_UNSET;
 
     enableFallbackCheckBox = findViewById(R.id.enable_fallback_checkbox);
+    enableAnalyzerModeCheckBox = findViewById(R.id.enable_analyzer_mode_checkbox);
     enableDebugPreviewCheckBox = findViewById(R.id.enable_debug_preview_checkbox);
     enableDebugTracingCheckBox = findViewById(R.id.enable_debug_tracing_checkbox);
     enableDebugTracingCheckBox.setOnCheckedChangeListener(
@@ -365,6 +368,7 @@ public final class ConfigurationActivity extends AppCompatActivity {
     "rotateSpinner",
     "trimCheckBox",
     "enableFallbackCheckBox",
+    "enableAnalyzerModeCheckBox",
     "enableDebugPreviewCheckBox",
     "abortSlowExportCheckBox",
     "produceFragmentedMp4CheckBox",
@@ -407,6 +411,7 @@ public final class ConfigurationActivity extends AppCompatActivity {
       bundle.putLong(TRIM_END_MS, trimEndMs);
     }
     bundle.putBoolean(ENABLE_FALLBACK, enableFallbackCheckBox.isChecked());
+    bundle.putBoolean(ENABLE_ANALYZER_MODE, enableAnalyzerModeCheckBox.isChecked());
     bundle.putBoolean(ENABLE_DEBUG_PREVIEW, enableDebugPreviewCheckBox.isChecked());
     bundle.putBoolean(ABORT_SLOW_EXPORT, abortSlowExportCheckBox.isChecked());
     bundle.putBoolean(PRODUCE_FRAGMENTED_MP4, produceFragmentedMp4CheckBox.isChecked());

demos/transformer/src/main/java/androidx/media3/demo/transformer/TransformerActivity.java

@@ -87,6 +87,7 @@ import androidx.media3.transformer.DefaultMuxer;
 import androidx.media3.transformer.EditedMediaItem;
 import androidx.media3.transformer.EditedMediaItemSequence;
 import androidx.media3.transformer.Effects;
+import androidx.media3.transformer.ExperimentalAnalyzerModeFactory;
 import androidx.media3.transformer.ExportException;
 import androidx.media3.transformer.ExportResult;
 import androidx.media3.transformer.InAppMuxer;
@@ -310,7 +311,24 @@ public final class TransformerActivity extends AppCompatActivity {
     "debugFrame",
   })
   private Transformer createTransformer(@Nullable Bundle bundle, Uri inputUri, String filePath) {
-    Transformer.Builder transformerBuilder = new Transformer.Builder(/* context= */ this);
+    Transformer.Builder transformerBuilder =
+        new Transformer.Builder(/* context= */ this)
+            .addListener(
+                new Transformer.Listener() {
+                  @Override
+                  public void onCompleted(Composition composition, ExportResult exportResult) {
+                    TransformerActivity.this.onCompleted(inputUri, filePath, exportResult);
+                  }
+
+                  @Override
+                  public void onError(
+                      Composition composition,
+                      ExportResult exportResult,
+                      ExportException exportException) {
+                    TransformerActivity.this.onError(exportException);
+                  }
+                });
+
     if (bundle != null) {
       @Nullable String audioMimeType = bundle.getString(ConfigurationActivity.AUDIO_MIME_TYPE);
       if (audioMimeType != null) {
@@ -339,25 +357,14 @@ public final class TransformerActivity extends AppCompatActivity {
       if (bundle.getBoolean(ConfigurationActivity.ENABLE_DEBUG_PREVIEW)) {
         transformerBuilder.setDebugViewProvider(new DemoDebugViewProvider());
       }
+
+      if (bundle.getBoolean(ConfigurationActivity.ENABLE_ANALYZER_MODE)) {
+        return ExperimentalAnalyzerModeFactory.buildAnalyzer(
+            this.getApplicationContext(), transformerBuilder.build());
+      }
     }
 
-    return transformerBuilder
+    return transformerBuilder.build();
-        .addListener(
-            new Transformer.Listener() {
-              @Override
-              public void onCompleted(Composition composition, ExportResult exportResult) {
-                TransformerActivity.this.onCompleted(inputUri, filePath, exportResult);
-              }
-
-              @Override
-              public void onError(
-                  Composition composition,
-                  ExportResult exportResult,
-                  ExportException exportException) {
-                TransformerActivity.this.onError(exportException);
-              }
-            })
-        .build();
   }
 
   /** Creates a cache file, resetting it if it already exists. */

demos/transformer/src/main/res/layout/configuration_activity.xml

@@ -196,6 +196,16 @@
           android:layout_gravity="end"
           android:checked="true"/>
       </TableRow>
+      <TableRow
+        android:layout_weight="1">
+        <TextView
+          android:layout_gravity="center_vertical"
+          android:text="@string/enable_analyzer_mode" />
+        <CheckBox
+          android:id="@+id/enable_analyzer_mode_checkbox"
+          android:layout_gravity="end"
+          android:checked="false"/>
+      </TableRow>
       <TableRow
         android:layout_weight="1">
         <TextView

demos/transformer/src/main/res/values/strings.xml

@@ -28,6 +28,7 @@
   <string name="scale" translatable="false">Scale video</string>
   <string name="rotate" translatable="false">Rotate video (degrees)</string>
   <string name="enable_fallback" translatable="false">Enable fallback</string>
+  <string name="enable_analyzer_mode" translatable="false">Enable analyzer mode</string>
   <string name="enable_debug_preview" translatable="false">Enable debug preview</string>
   <string name="enable_debug_tracing" translatable="false">Enable debug tracing</string>
   <string name="abort_slow_export" translatable="false">Abort slow export</string>