Add PlaybackParameters.withPitch() method

Issue: androidx/media#2257
PiperOrigin-RevId: 742693410

RELEASENOTES.md

@@ -3,6 +3,9 @@
 ### Unreleased changes
 
 *   Common Library:
+    *   Add `PlaybackParameters.withPitch(float)` method for easily copying a
+        `PlaybackParameters` with a new `pitch` value
+        ([#2257](https://github.com/androidx/media/issues/2257)).
 *   ExoPlayer:
     *   Fix sending `CmcdData` in manifest requests for DASH, HLS, and
         SmoothStreaming ([#2253](https://github.com/androidx/media/pull/2253)).

libraries/common/src/main/java/androidx/media3/common/PlaybackParameters.java

@@ -88,6 +88,18 @@ public final class PlaybackParameters {
     return new PlaybackParameters(speed, pitch);
   }
 
+  /**
+   * Returns a copy with the given pitch.
+   *
+   * @param pitch The new pitch. Must be greater than zero.
+   * @return The copied playback parameters.
+   */
+  @UnstableApi
+  @CheckResult
+  public PlaybackParameters withPitch(@FloatRange(from = 0, fromInclusive = false) float pitch) {
+    return new PlaybackParameters(speed, pitch);
+  }
+
   @Override
   public boolean equals(@Nullable Object obj) {
     if (this == obj) {