Image transcoding: Add support for heic/heif image formats

PiperOrigin-RevId: 530578549

library/effect/src/main/java/com/google/android/exoplayer2/effect/BitmapTextureManager.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.effect;
 
 import static com.google.android.exoplayer2.util.Assertions.checkNotNull;
+import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static java.lang.Math.round;
 
 import android.graphics.Bitmap;
@@ -25,6 +26,7 @@ import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.util.GlTextureInfo;
 import com.google.android.exoplayer2.util.GlUtil;
+import com.google.android.exoplayer2.util.Util;
 import com.google.android.exoplayer2.util.VideoFrameProcessingException;
 import java.util.Queue;
 import java.util.concurrent.LinkedBlockingQueue;
@@ -37,6 +39,9 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
  * <p>Public methods in this class can be called from any thread.
  */
 /* package */ final class BitmapTextureManager implements TextureManager {
+  private static final String UNSUPPORTED_IMAGE_CONFIGURATION =
+      "Unsupported Image Configuration: No more than 8 bits of precision should be used for each"
+          + " RGB channel.";
   private final GlShaderProgram shaderProgram;
   private final VideoFrameProcessingTaskExecutor videoFrameProcessingTaskExecutor;
   // The queue holds all bitmaps with one or more frames pending to be sent downstream.
@@ -123,6 +128,14 @@ import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
   private void setupBitmap(
       Bitmap bitmap, long durationUs, long offsetUs, float frameRate, boolean useHdr)
       throws VideoFrameProcessingException {
+    if (Util.SDK_INT >= 26) {
+      checkState(
+          !bitmap.getConfig().equals(Bitmap.Config.RGBA_F16), UNSUPPORTED_IMAGE_CONFIGURATION);
+    }
+    if (Util.SDK_INT >= 33) {
+      checkState(
+          !bitmap.getConfig().equals(Bitmap.Config.RGBA_1010102), UNSUPPORTED_IMAGE_CONFIGURATION);
+    }
     this.useHdr = useHdr;
     int framesToAdd = round(frameRate * (durationUs / (float) C.MICROS_PER_SECOND));
     double frameDurationUs = C.MICROS_PER_SECOND / frameRate;

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

@@ -25,6 +25,7 @@ import com.google.android.exoplayer2.MediaItem;
 import com.google.android.exoplayer2.source.MediaSource;
 import com.google.android.exoplayer2.util.Clock;
 import com.google.common.collect.ImmutableList;
+import java.util.Locale;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 
 /** The default {@link AssetLoader.Factory} implementation. */
@@ -112,13 +113,14 @@ public final class DefaultAssetLoaderFactory implements AssetLoader.Factory {
     if (localConfiguration == null) {
       return false;
     }
-    ImmutableList<String> supportedImageTypes = ImmutableList.of(".png", ".webp", ".jpg", ".jpeg");
+    ImmutableList<String> supportedImageTypes =
+        ImmutableList.of(".png", ".webp", ".jpg", ".jpeg", ".heic", ".heif");
     String uriPath = checkNotNull(localConfiguration.uri.getPath());
     int fileExtensionStart = uriPath.lastIndexOf(".");
     if (fileExtensionStart < 0) {
       return false;
     }
-    String extension = uriPath.substring(fileExtensionStart);
+    String extension = uriPath.substring(fileExtensionStart).toLowerCase(Locale.ENGLISH);
     return supportedImageTypes.contains(extension);
   }
 }