Add render messages for setting video output resolution

An AndroidTest is needed to test the message sending from ExoPlayerImpl to
a video renderer (MCVR in this case). The test will be added later.

PiperOrigin-RevId: 493602259

library/core/src/main/java/com/google/android/exoplayer2/ExoPlayerImpl.java

@@ -28,6 +28,7 @@ import static com.google.android.exoplayer2.Renderer.MSG_SET_SCALING_MODE;
 import static com.google.android.exoplayer2.Renderer.MSG_SET_SKIP_SILENCE_ENABLED;
 import static com.google.android.exoplayer2.Renderer.MSG_SET_SKIP_SILENCE_ENABLED;
 import static com.google.android.exoplayer2.Renderer.MSG_SET_VIDEO_FRAME_METADATA_LISTENER;
 import static com.google.android.exoplayer2.Renderer.MSG_SET_VIDEO_FRAME_METADATA_LISTENER;
 import static com.google.android.exoplayer2.Renderer.MSG_SET_VIDEO_OUTPUT;
 import static com.google.android.exoplayer2.Renderer.MSG_SET_VIDEO_OUTPUT;
+import static com.google.android.exoplayer2.Renderer.MSG_SET_VIDEO_OUTPUT_RESOLUTION;
 import static com.google.android.exoplayer2.Renderer.MSG_SET_VOLUME;
 import static com.google.android.exoplayer2.Renderer.MSG_SET_VOLUME;
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static com.google.android.exoplayer2.util.Assertions.checkState;
@@ -2945,6 +2946,8 @@ import java.util.concurrent.TimeoutException;
     @Override
     @Override
     public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
     public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
       maybeNotifySurfaceSizeChanged(width, height);
       maybeNotifySurfaceSizeChanged(width, height);
+      sendRendererMessage(
+          TRACK_TYPE_VIDEO, MSG_SET_VIDEO_OUTPUT_RESOLUTION, Pair.create(width, height));
     }
     }
 
 
     @Override
     @Override

library/core/src/main/java/com/google/android/exoplayer2/Renderer.java

@@ -18,6 +18,7 @@ package com.google.android.exoplayer2;
 import static java.lang.annotation.ElementType.TYPE_USE;
 import static java.lang.annotation.ElementType.TYPE_USE;
 
 
 import android.media.MediaCodec;
 import android.media.MediaCodec;
+import android.util.Pair;
 import android.view.Surface;
 import android.view.Surface;
 import androidx.annotation.IntDef;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 import androidx.annotation.Nullable;
@@ -25,6 +26,7 @@ import com.google.android.exoplayer2.analytics.PlayerId;
 import com.google.android.exoplayer2.audio.AudioAttributes;
 import com.google.android.exoplayer2.audio.AudioAttributes;
 import com.google.android.exoplayer2.audio.AuxEffectInfo;
 import com.google.android.exoplayer2.audio.AuxEffectInfo;
 import com.google.android.exoplayer2.source.SampleStream;
 import com.google.android.exoplayer2.source.SampleStream;
+import com.google.android.exoplayer2.util.Effect;
 import com.google.android.exoplayer2.util.MediaClock;
 import com.google.android.exoplayer2.util.MediaClock;
 import com.google.android.exoplayer2.util.Util;
 import com.google.android.exoplayer2.util.Util;
 import com.google.android.exoplayer2.video.VideoDecoderOutputBufferRenderer;
 import com.google.android.exoplayer2.video.VideoDecoderOutputBufferRenderer;
@@ -80,8 +82,9 @@ public interface Renderer extends PlayerMessage.Target {
    * #MSG_SET_SCALING_MODE}, {@link #MSG_SET_CHANGE_FRAME_RATE_STRATEGY}, {@link
    * #MSG_SET_SCALING_MODE}, {@link #MSG_SET_CHANGE_FRAME_RATE_STRATEGY}, {@link
    * #MSG_SET_AUX_EFFECT_INFO}, {@link #MSG_SET_VIDEO_FRAME_METADATA_LISTENER}, {@link
    * #MSG_SET_AUX_EFFECT_INFO}, {@link #MSG_SET_VIDEO_FRAME_METADATA_LISTENER}, {@link
    * #MSG_SET_CAMERA_MOTION_LISTENER}, {@link #MSG_SET_SKIP_SILENCE_ENABLED}, {@link
    * #MSG_SET_CAMERA_MOTION_LISTENER}, {@link #MSG_SET_SKIP_SILENCE_ENABLED}, {@link
-   * #MSG_SET_AUDIO_SESSION_ID} or {@link #MSG_SET_WAKEUP_LISTENER}. May also be an app-defined
-   * value (see {@link #MSG_CUSTOM_BASE}).
+   * #MSG_SET_AUDIO_SESSION_ID}, {@link #MSG_SET_WAKEUP_LISTENER} or {@link
+   * #MSG_SET_VIDEO_OUTPUT_RESOLUTION}. May also be an app-defined value (see {@link
+   * #MSG_CUSTOM_BASE}).
    */
    */
   @Documented
   @Documented
   @Retention(RetentionPolicy.SOURCE)
   @Retention(RetentionPolicy.SOURCE)
@@ -99,7 +102,8 @@ public interface Renderer extends PlayerMessage.Target {
         MSG_SET_CAMERA_MOTION_LISTENER,
         MSG_SET_CAMERA_MOTION_LISTENER,
         MSG_SET_SKIP_SILENCE_ENABLED,
         MSG_SET_SKIP_SILENCE_ENABLED,
         MSG_SET_AUDIO_SESSION_ID,
         MSG_SET_AUDIO_SESSION_ID,
-        MSG_SET_WAKEUP_LISTENER
+        MSG_SET_WAKEUP_LISTENER,
+        MSG_SET_VIDEO_OUTPUT_RESOLUTION
       })
       })
   public @interface MessageType {}
   public @interface MessageType {}
   /**
   /**
@@ -202,6 +206,13 @@ public interface Renderer extends PlayerMessage.Target {
    */
    */
   int MSG_SET_PREFERRED_AUDIO_DEVICE = 12;
   int MSG_SET_PREFERRED_AUDIO_DEVICE = 12;
   /**
   /**
+   * The type of a message that can be passed to a video renderer to set the desired output
+   * resolution. The message payload should be a {@link Pair} containing the desired output width
+   * and height, in {@link Integer} instances. Use this method only when playing with video {@link
+   * Effect}.
+   */
+  int MSG_SET_VIDEO_OUTPUT_RESOLUTION = 13;
+  /**
    * Applications or extensions may define custom {@code MSG_*} constants that can be passed to
    * Applications or extensions may define custom {@code MSG_*} constants that can be passed to
    * renderers. These custom constants must be greater than or equal to this value.
    * renderers. These custom constants must be greater than or equal to this value.
    */
    */