Preserve aspect ratio when scaling resolution is insufficient.

PiperOrigin-RevId: 509546771

library/transformer/src/main/java/com/google/android/exoplayer2/transformer/EncoderUtil.java

@@ -250,9 +250,8 @@ public final class EncoderUtil {
       }
     }
 
-    // Fix frame being too wide or too tall.
-    width = videoCapabilities.getSupportedWidths().clamp(width);
-    int adjustedHeight = videoCapabilities.getSupportedHeightsFor(width).clamp(height);
+    int supportedWidth = videoCapabilities.getSupportedWidths().clamp(width);
+    int adjustedHeight = videoCapabilities.getSupportedHeightsFor(supportedWidth).clamp(height);
     if (adjustedHeight != height) {
       width =
           alignResolution((int) round((double) width * adjustedHeight / height), widthAlignment);

library/transformer/src/test/java/com/google/android/exoplayer2/transformer/EncoderUtilTest.java

@@ -164,6 +164,23 @@ public class EncoderUtilTest {
     assertThat(closestSupportedResolution.getHeight()).isEqualTo(1080);
   }
 
+  @Test
+  public void getSupportedResolution_requestedReallyLarge_matchesAspectRatio() {
+    ImmutableList<MediaCodecInfo> supportedEncoders = EncoderUtil.getSupportedEncoders(MIME_TYPE);
+    MediaCodecInfo encoderInfo = supportedEncoders.get(0);
+
+    double aspectRatio = 1.5;
+    @Nullable
+    Size closestSupportedResolution =
+        EncoderUtil.getSupportedResolution(
+            encoderInfo, MIME_TYPE, (int) (aspectRatio * 5000), 5000);
+
+    assertThat(closestSupportedResolution).isNotNull();
+    assertThat(
+            (double) closestSupportedResolution.getWidth() / closestSupportedResolution.getHeight())
+        .isEqualTo(aspectRatio);
+  }
+
   /**
    * @see EncoderUtil#getSupportedEncodersForHdrEditing(String, ColorInfo)
    */