Fix first frame not force rendered

This is because currently

1. Player sets a surfaceView to render to
2. Player intializes the renderer
3. MCVR initializes the VideoSinkProvider, by extension VideoGraph

But when 1 happens, MCVR doesn't set the surfaceView on the VideoGraph because
it's not initialized. Consequently after VideoGraph is initialized, it doesn't
have a surface to render to, and thus dropping the first a few frames.

Also adds a test for first frame to verify the correct first frame is rendered.

PiperOrigin-RevId: 591228174

libraries/effect/build.gradle

@@ -53,6 +53,7 @@ dependencies {
     testImplementation project(modulePrefix + 'test-data')
     testImplementation 'org.robolectric:robolectric:' + robolectricVersion
     testImplementation 'com.google.truth:truth:' + truthVersion
+    androidTestImplementation project(modulePrefix + 'lib-exoplayer')
     androidTestImplementation 'junit:junit:' + junitVersion
     androidTestImplementation 'androidx.test:runner:' + androidxTestRunnerVersion
     androidTestImplementation 'com.google.truth:truth:' + truthVersion

libraries/effect/src/androidTest/java/androidx/media3/effect/EffectPlaybackTest.java

@@ -0,0 +1,211 @@
+/*
+ * Copyright 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package androidx.media3.effect;
+
+import static androidx.media3.common.MimeTypes.VIDEO_H264;
+import static androidx.media3.common.util.Assertions.checkNotNull;
+import static androidx.media3.common.util.Assertions.checkStateNotNull;
+import static androidx.media3.test.utils.BitmapPixelTestUtil.MAXIMUM_AVERAGE_PIXEL_ABSOLUTE_DIFFERENCE;
+import static androidx.media3.test.utils.BitmapPixelTestUtil.createArgb8888BitmapFromRgba8888Image;
+import static androidx.media3.test.utils.BitmapPixelTestUtil.getBitmapAveragePixelAbsoluteDifferenceArgb8888;
+import static androidx.media3.test.utils.BitmapPixelTestUtil.readBitmap;
+import static com.google.common.truth.Truth.assertThat;
+import static org.junit.Assume.assumeTrue;
+
+import android.app.Instrumentation;
+import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.graphics.PixelFormat;
+import android.media.Image;
+import android.media.ImageReader;
+import android.text.Spannable;
+import android.text.SpannableString;
+import android.text.style.AbsoluteSizeSpan;
+import android.text.style.ForegroundColorSpan;
+import android.text.style.TypefaceSpan;
+import androidx.annotation.Nullable;
+import androidx.media3.common.C;
+import androidx.media3.common.Format;
+import androidx.media3.common.MediaItem;
+import androidx.media3.common.util.ConditionVariable;
+import androidx.media3.common.util.Size;
+import androidx.media3.common.util.Util;
+import androidx.media3.exoplayer.ExoPlayer;
+import androidx.media3.exoplayer.Renderer;
+import androidx.media3.exoplayer.util.EventLogger;
+import androidx.media3.exoplayer.video.MediaCodecVideoRenderer;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.platform.app.InstrumentationRegistry;
+import com.google.common.collect.ImmutableList;
+import java.util.concurrent.TimeoutException;
+import java.util.concurrent.atomic.AtomicReference;
+import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
+import org.junit.After;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameter;
+import org.junit.runners.Parameterized.Parameters;
+
+/** Test for {@link ExoPlayer#setVideoEffects}. */
+@RunWith(Parameterized.class)
+public class EffectPlaybackTest {
+
+  private static final String TEST_DIRECTORY = "media/bitmap/ExoPlayerPlaybackTest/";
+  private static final String MP4_ASSET_URI_STRING = "asset:///media/mp4/sample.mp4";
+  private static final Format MP4_ASSET_FORMAT =
+      new Format.Builder()
+          .setSampleMimeType(VIDEO_H264)
+          .setWidth(1080)
+          .setHeight(720)
+          .setFrameRate(29.97f)
+          .setCodecs("avc1.64001F")
+          .build();
+  private static final long TEST_TIMEOUT_MS = 10_000;
+
+  private final Instrumentation instrumentation = InstrumentationRegistry.getInstrumentation();
+  private @MonotonicNonNull ExoPlayer player;
+  private @MonotonicNonNull ImageReader outputImageReader;
+
+  @Parameter public boolean playWhenReady;
+
+  @Parameters(name = "playWhenReady={0}")
+  public static ImmutableList<Boolean> parameters() {
+    return ImmutableList.of(true, false);
+  }
+
+  @After
+  public void tearDown() {
+    instrumentation.runOnMainSync(
+        () -> {
+          if (player != null) {
+            player.release();
+          }
+          if (outputImageReader != null) {
+            outputImageReader.close();
+          }
+        });
+  }
+
+  @Test
+  public void exoplayerEffectsPreviewTest_ensuresFirstFrameRendered() throws Exception {
+    assumeTrue(Util.SDK_INT >= 18);
+
+    String testId =
+        Util.formatInvariant(
+            "exoplayerEffectsPreviewTest_withPlayWhenReady[%b]_ensuresFirstFrameRendered",
+            playWhenReady);
+    Size videoSize = new Size(MP4_ASSET_FORMAT.width, MP4_ASSET_FORMAT.height);
+    AtomicReference<Bitmap> renderedFirstFrameBitmap = new AtomicReference<>();
+    ConditionVariable hasRenderedFirstFrameCondition = new ConditionVariable();
+    outputImageReader =
+        ImageReader.newInstance(
+            videoSize.getWidth(), videoSize.getHeight(), PixelFormat.RGBA_8888, /* maxImages= */ 1);
+
+    instrumentation.runOnMainSync(
+        () -> {
+          player = new ExoPlayer.Builder(ApplicationProvider.getApplicationContext()).build();
+
+          checkStateNotNull(outputImageReader);
+          outputImageReader.setOnImageAvailableListener(
+              imageReader -> {
+                try (Image image = imageReader.acquireLatestImage()) {
+                  renderedFirstFrameBitmap.set(createArgb8888BitmapFromRgba8888Image(image));
+                }
+                hasRenderedFirstFrameCondition.open();
+              },
+              Util.createHandlerForCurrentOrMainLooper());
+
+          // Need to access renderer directly because ExoPlayer.setVideoEffects() doesn't support
+          // output to a Surface. When using ImageReader, need to manually set output resolution on
+          // the renderer directly.
+          MediaCodecVideoRenderer videoRenderer = checkNotNull(findVideoRenderer(player));
+          player
+              .createMessage(videoRenderer)
+              .setType(Renderer.MSG_SET_VIDEO_OUTPUT)
+              .setPayload(outputImageReader.getSurface())
+              .send();
+          player
+              .createMessage(videoRenderer)
+              .setType(Renderer.MSG_SET_VIDEO_OUTPUT_RESOLUTION)
+              .setPayload(videoSize)
+              .send();
+
+          player.setPlayWhenReady(playWhenReady);
+          player.setVideoEffects(
+              ImmutableList.of(
+                  // An overlay effect that draws the timestamp onto frames.
+                  new OverlayEffect(
+                      ImmutableList.of(
+                          new TextOverlay() {
+                            @Override
+                            public SpannableString getText(long presentationTimeUs) {
+                              SpannableString text =
+                                  new SpannableString(String.valueOf(presentationTimeUs));
+                              text.setSpan(
+                                  new ForegroundColorSpan(Color.WHITE),
+                                  /* start= */ 0,
+                                  text.length(),
+                                  Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                              text.setSpan(
+                                  new AbsoluteSizeSpan(/* size= */ 96),
+                                  /* start= */ 0,
+                                  text.length(),
+                                  Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                              text.setSpan(
+                                  new TypefaceSpan(/* family= */ "sans-serif"),
+                                  /* start= */ 0,
+                                  text.length(),
+                                  Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
+                              return text;
+                            }
+                          }))));
+
+          // Adding an EventLogger to use its log output in case the test fails.
+          player.addAnalyticsListener(new EventLogger());
+          player.setMediaItem(MediaItem.fromUri(MP4_ASSET_URI_STRING));
+          player.prepare();
+        });
+
+    if (!hasRenderedFirstFrameCondition.block(TEST_TIMEOUT_MS)) {
+      throw new TimeoutException(
+          Util.formatInvariant("First frame not rendered in %d ms.", TEST_TIMEOUT_MS));
+    }
+
+    assertThat(renderedFirstFrameBitmap.get()).isNotNull();
+    float averagePixelAbsoluteDifference =
+        getBitmapAveragePixelAbsoluteDifferenceArgb8888(
+            /* expected= */ readBitmap(TEST_DIRECTORY + "first_frame.png"),
+            /* actual= */ renderedFirstFrameBitmap.get(),
+            testId);
+    assertThat(averagePixelAbsoluteDifference).isAtMost(MAXIMUM_AVERAGE_PIXEL_ABSOLUTE_DIFFERENCE);
+    // TODO: b/315800590 - Verify onFirstFrameRendered is invoked only once.
+  }
+
+  @Nullable
+  private static MediaCodecVideoRenderer findVideoRenderer(ExoPlayer player) {
+    for (int i = 0; i < player.getRendererCount(); i++) {
+      if (player.getRendererType(i) == C.TRACK_TYPE_VIDEO) {
+        Renderer renderer = player.getRenderer(i);
+        if (renderer instanceof MediaCodecVideoRenderer) {
+          return (MediaCodecVideoRenderer) renderer;
+        }
+      }
+    }
+    return null;
+  }
+}

libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/CompositingVideoSinkProvider.java

@@ -289,6 +289,13 @@ public final class CompositingVideoSinkProvider
       }
       videoSinkImpl =
           new VideoSinkImpl(context, /* compositingVideoSinkProvider= */ this, videoGraph);
+      if (currentSurfaceAndSize != null) {
+        Surface outputSurface = currentSurfaceAndSize.first;
+        Size outputSize = currentSurfaceAndSize.second;
+        checkStateNotNull(videoGraph)
+            .setOutputSurfaceInfo(
+                new SurfaceInfo(outputSurface, outputSize.getWidth(), outputSize.getHeight()));
+      }
     } catch (VideoFrameProcessingException e) {
       throw new VideoSink.VideoSinkException(e, sourceFormat);
     }

libraries/exoplayer/src/main/java/androidx/media3/exoplayer/video/MediaCodecVideoRenderer.java

@@ -771,8 +771,7 @@ public class MediaCodecVideoRenderer extends MediaCodecRenderer
         break;
       case MSG_SET_VIDEO_OUTPUT_RESOLUTION:
         Size outputResolution = (Size) checkNotNull(message);
-        if (videoSinkProvider.isInitialized()
-            && outputResolution.getWidth() != 0
+        if (outputResolution.getWidth() != 0
             && outputResolution.getHeight() != 0
             && displaySurface != null) {
           videoSinkProvider.setOutputSurfaceInfo(displaySurface, outputResolution);