Avoid value close to overflow for KEY_OPERATING_RATE

Using `Integer.MAX_VALUE` risks causing arithmetic overflow in the codec
implementation.

Issue: androidx#810

#minor-release

PiperOrigin-RevId: 585104621

RELEASENOTES.md

@@ -30,6 +30,8 @@
 *   Transformer:
     *   Add support for flattening H.265/HEVC SEF slow motion videos.
     *   Increase transmuxing speed, especially for 'remove video' edits.
+    *   Work around an issue where the encoder would throw at configuration time
+        due to setting a high operating rate.
 *   Track Selection:
     *   Add `DefaultTrackSelector.selectImageTrack` to enable image track
         selection.

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

@@ -51,8 +51,6 @@ public final class DefaultEncoderFactory implements Codec.EncoderFactory {
   /** Best effort, or as-fast-as-possible priority setting for {@link MediaFormat#KEY_PRIORITY}. */
   private static final int PRIORITY_BEST_EFFORT = 1;
 
-  private static final String TAG = "DefaultEncoderFactory";
-
   /** A builder for {@link DefaultEncoderFactory} instances. */
   public static final class Builder {
     private final Context context;
@@ -519,6 +517,11 @@ private static void adjustMediaFormatForEncoderPerformanceSettings(MediaFormat m
 
     if (Util.SDK_INT == 26) {
       mediaFormat.setInteger(MediaFormat.KEY_OPERATING_RATE, DEFAULT_FRAME_RATE);
+    } else if (Util.SDK_INT <= 34) {
+      // On some devices setting Integer.MAX_VALUE will cause the encoder to throw at configuration
+      // time. Setting the operating to 1000 avoids being close to an integer overflow limit while
+      // being higher than a maximum feasible operating rate. See [internal b/311206113].
+      mediaFormat.setInteger(MediaFormat.KEY_OPERATING_RATE, 1000);
     } else {
       mediaFormat.setInteger(MediaFormat.KEY_OPERATING_RATE, Integer.MAX_VALUE);
     }

libraries/transformer/src/test/java/androidx/media3/transformer/DefaultEncoderFactoryTest.java

@@ -231,8 +231,7 @@ public void createForVideoEncoding_withFallbackOnAndUnsupportedResolution_config
     assertThat(configurationMediaFormat.containsKey(MediaFormat.KEY_PRIORITY)).isTrue();
     assertThat(configurationMediaFormat.getInteger(MediaFormat.KEY_PRIORITY)).isEqualTo(1);
     assertThat(configurationMediaFormat.containsKey(MediaFormat.KEY_OPERATING_RATE)).isTrue();
-    assertThat(configurationMediaFormat.getInteger(MediaFormat.KEY_OPERATING_RATE))
-        .isEqualTo(Integer.MAX_VALUE);
+    assertThat(configurationMediaFormat.getInteger(MediaFormat.KEY_OPERATING_RATE)).isEqualTo(1000);
   }
 
   @Test