HDR: Add Transformer GL tone mapping test.

PiperOrigin-RevId: 496727803

library/transformer/src/androidTest/java/com/google/android/exoplayer2/transformer/mh/ToneMapHdrToSdrUsingOpenGlTest.java

+/*
+ * Copyright 2022 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
+ *
+ *      http://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 com.google.android.exoplayer2.transformer.mh;
+
+import static androidx.test.core.app.ApplicationProvider.getApplicationContext;
+import static com.google.android.exoplayer2.transformer.AndroidTestUtil.MP4_ASSET_1080P_5_SECOND_HLG10;
+import static com.google.android.exoplayer2.transformer.AndroidTestUtil.MP4_ASSET_1080P_5_SECOND_HLG10_FORMAT;
+import static com.google.android.exoplayer2.transformer.AndroidTestUtil.recordTestSkipped;
+import static com.google.android.exoplayer2.transformer.mh.analysis.FileUtil.assertFileHasColorTransfer;
+import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
+
+import android.content.Context;
+import android.net.Uri;
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+import com.google.android.exoplayer2.C;
+import com.google.android.exoplayer2.MediaItem;
+import com.google.android.exoplayer2.transformer.AndroidTestUtil;
+import com.google.android.exoplayer2.transformer.TransformationException;
+import com.google.android.exoplayer2.transformer.TransformationRequest;
+import com.google.android.exoplayer2.transformer.TransformationTestResult;
+import com.google.android.exoplayer2.transformer.Transformer;
+import com.google.android.exoplayer2.transformer.TransformerAndroidTestRunner;
+import com.google.android.exoplayer2.util.GlUtil;
+import com.google.android.exoplayer2.util.Log;
+import com.google.android.exoplayer2.util.Util;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+/**
+ * {@link Transformer} instrumentation test for applying an {@linkplain
+ * TransformationRequest#HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL HDR to SDR tone mapping edit}.
+ */
+@RunWith(AndroidJUnit4.class)
+public class ToneMapHdrToSdrUsingOpenGlTest {
+  public static final String TAG = "ToneMapHdrToSdrUsingOpenGlTest";
+
+  @Test
+  public void transform_toneMap_hlg10File_toneMapsOrThrows() throws Exception {
+    String testId = "transform_glToneMap_hlg10File_toneMapsOrThrows";
+
+    if (Util.SDK_INT < 29) {
+      recordTestSkipped(
+          ApplicationProvider.getApplicationContext(),
+          testId,
+          /* reason= */ "OpenGL-based HDR to SDR tone mapping is only supported on API 29+.");
+      return;
+    }
+
+    if (!GlUtil.isYuvTargetExtensionSupported()) {
+      recordTestSkipped(
+          getApplicationContext(), testId, /* reason= */ "Device lacks YUV extension support.");
+      return;
+    }
+
+    if (AndroidTestUtil.skipAndLogIfInsufficientCodecSupport(
+        getApplicationContext(),
+        testId,
+        /* decodingFormat= */ MP4_ASSET_1080P_5_SECOND_HLG10_FORMAT,
+        /* encodingFormat= */ null)) {
+      return;
+    }
+
+    Context context = ApplicationProvider.getApplicationContext();
+
+    Transformer transformer =
+        new Transformer.Builder(context)
+            .setTransformationRequest(
+                new TransformationRequest.Builder()
+                    .setHdrMode(TransformationRequest.HDR_MODE_TONE_MAP_HDR_TO_SDR_USING_OPEN_GL)
+                    .build())
+            .build();
+    try {
+      TransformationTestResult transformationTestResult =
+          new TransformerAndroidTestRunner.Builder(context, transformer)
+              .build()
+              .run(testId, MediaItem.fromUri(Uri.parse(MP4_ASSET_1080P_5_SECOND_HLG10)));
+      Log.i(TAG, "Tone mapped.");
+      assertFileHasColorTransfer(transformationTestResult.filePath, C.COLOR_TRANSFER_SDR);
+    } catch (TransformationException exception) {
+      Log.i(TAG, checkNotNull(exception.getCause()).toString());
+      if (exception.errorCode != TransformationException.ERROR_CODE_DECODING_FORMAT_UNSUPPORTED) {
+        throw exception;
+      }
+    }
+  }
+}