diff --git a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/MediaCodecVideoRenderer.java b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/MediaCodecVideoRenderer.java
index 1c4b727d69..867915ca03 100644
--- a/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/MediaCodecVideoRenderer.java
+++ b/libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/MediaCodecVideoRenderer.java
@@ -1342,7 +1342,12 @@ public class MediaCodecVideoRenderer extends MediaCodecRenderer
               ? mediaFormat.getInteger(KEY_CROP_BOTTOM) - mediaFormat.getInteger(KEY_CROP_TOP) + 1
               : mediaFormat.getInteger(MediaFormat.KEY_HEIGHT);
     }
-    pixelWidthHeightRatio = format.pixelWidthHeightRatio;
+    boolean hasPixelAspectRatio = mediaFormat.containsKey(MediaFormat.KEY_PIXEL_ASPECT_RATIO_WIDTH)
+        && mediaFormat.containsKey(MediaFormat.KEY_PIXEL_ASPECT_RATIO_HEIGHT);
+    pixelWidthHeightRatio = hasPixelAspectRatio ?
+        mediaFormat.getInteger(MediaFormat.KEY_PIXEL_ASPECT_RATIO_WIDTH) /
+            mediaFormat.getInteger(MediaFormat.KEY_PIXEL_ASPECT_RATIO_HEIGHT)
+        : format.pixelWidthHeightRatio;
     // The decoder applies the rotation when rendering to the surface. For 90 and 270 degree
     // rotations, we need to flip the width, height and pixel aspect ratio to reflect the rotation
     // that was applied.