Make setResolution package private

- Usages in 1P apps have been removed.
- setResolution should be removed when refactoring fallback.

PiperOrigin-RevId: 505043425

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

@@ -127,7 +127,7 @@ public final class Presentation implements MatrixTransformation {
    * Creates a new {@link Presentation} instance.
    *
    * <p>The output frame will have the given height. Width will scale to preserve the input aspect
-   * ratio.
+   * ratio. For example, a 1920x1440 video can be scaled to 640x480 by passing a height of 480.
    *
    * @param height The height of the output frame, in pixels.
    */

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

@@ -23,6 +23,7 @@ import static java.lang.annotation.RetentionPolicy.SOURCE;
 import androidx.annotation.IntDef;
 import androidx.annotation.Nullable;
 import com.google.android.exoplayer2.C;
+import com.google.android.exoplayer2.MediaItem;
 import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.Util;
 import com.google.errorprone.annotations.CanIgnoreReturnValue;
@@ -128,29 +129,6 @@ public final class TransformationRequest {
       this.hdrMode = transformationRequest.hdrMode;
     }
 
-    /**
-     * Sets the output resolution using the output height of the displayed video.
-     *
-     * <p>Output width of the displayed video will scale to preserve the video's aspect ratio after
-     * other transformations.
-     *
-     * <p>For example, a 1920x1440 video can be scaled to 640x480 by calling setResolution(480).
-     *
-     * <p>The default value, {@link C#LENGTH_UNSET}, leaves the width and height unchanged.
-     *
-     * <p>Note that the output encoded video's dimensions may be swapped from the displayed video's
-     * dimensions, if the displayed video's height > width. This is to improve compatibility among
-     * different device encoders.
-     *
-     * @param outputHeight The output height of the displayed video, in pixels.
-     * @return This builder.
-     */
-    @CanIgnoreReturnValue
-    public Builder setResolution(int outputHeight) {
-      this.outputHeight = outputHeight;
-      return this;
-    }
-
     /**
      * Sets the video MIME type of the output.
      *
@@ -247,6 +225,13 @@ public final class TransformationRequest {
       return this;
     }
 
+    @CanIgnoreReturnValue
+    // TODO(b/255953153): remove this method once fallback has been refactored.
+    /* package */ Builder setResolution(int outputHeight) {
+      this.outputHeight = outputHeight;
+      return this;
+    }
+
     /** Builds a {@link TransformationRequest} instance. */
     public TransformationRequest build() {
       return new TransformationRequest(outputHeight, audioMimeType, videoMimeType, hdrMode);
@@ -254,9 +239,18 @@ public final class TransformationRequest {
   }
 
   /**
-   * The requested height of the output video, or {@link C#LENGTH_UNSET} if inferred from the input.
+   * The requested height of the output video.
    *
-   * @see Builder#setResolution(int)
+   * <p>This field is
+   *
+   * <ul>
+   *   <li>Always set to {@link C#LENGTH_UNSET} in the {@code originalTransformationRequest}
+   *       parameter of {@link Transformer.Listener#onFallbackApplied(MediaItem,
+   *       TransformationRequest, TransformationRequest)}.
+   *   <li>Set to {@link C#LENGTH_UNSET} in the {@code fallbackTransformationRequest} parameter of
+   *       {@link Transformer.Listener#onFallbackApplied(MediaItem, TransformationRequest,
+   *       TransformationRequest)} to indicate that it is inferred from the input.
+   * </ul>
    */
   public final int outputHeight;
   /**

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

@@ -496,8 +496,8 @@ public final class Transformer {
     }
 
     /**
-     * Called when fallback to an alternative {@link TransformationRequest} is necessary to comply
-     * with muxer or device constraints.
+     * Called when falling back to an alternative {@link TransformationRequest} or changing the
+     * video frames' resolution is necessary to comply with muxer or device constraints.
      *
      * @param inputMediaItem The {@link MediaItem} for which the transformation is requested.
      * @param originalTransformationRequest The unsupported {@link TransformationRequest} used when
@@ -658,6 +658,10 @@ public final class Transformer {
    * ignored. For adaptive bitrate, if no custom {@link AssetLoader.Factory} is specified, the
    * highest bitrate video and audio streams are selected.
    *
+   * <p>If encoding the output's video track is needed, the output frames' dimensions will be
+   * swapped if the height is larger than the width. This is to improve compatibility among
+   * different device encoders.
+   *
    * @param editedMediaItem The {@link MediaItem} to transform, with the transformations to apply to
    *     it.
    * @param path The path to the output file.
@@ -684,6 +688,10 @@ public final class Transformer {
    * ignored. For adaptive bitrate, if no custom {@link AssetLoader.Factory} is specified, the
    * highest bitrate video and audio streams are selected.
    *
+   * <p>If encoding the output's video track is needed, the output frames' dimensions will be
+   * swapped if the height is larger than the width. This is to improve compatibility among
+   * different device encoders.
+   *
    * @param editedMediaItem The {@link MediaItem} to transform, with the transformations to apply to
    *     it.
    * @param parcelFileDescriptor A readable and writable {@link ParcelFileDescriptor} of the output.

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

@@ -33,7 +33,6 @@ import androidx.annotation.VisibleForTesting;
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.decoder.DecoderInputBuffer;
-import com.google.android.exoplayer2.effect.Presentation;
 import com.google.android.exoplayer2.util.Consumer;
 import com.google.android.exoplayer2.util.DebugViewProvider;
 import com.google.android.exoplayer2.util.Effect;
@@ -125,18 +124,6 @@ import org.checkerframework.dataflow.qual.Pure;
     encoderOutputBuffer =
         new DecoderInputBuffer(DecoderInputBuffer.BUFFER_REPLACEMENT_MODE_DISABLED);
 
-    // The decoder rotates encoded frames for display by inputFormat.rotationDegrees.
-    int decodedWidth =
-        (inputFormat.rotationDegrees % 180 == 0) ? inputFormat.width : inputFormat.height;
-    int decodedHeight =
-        (inputFormat.rotationDegrees % 180 == 0) ? inputFormat.height : inputFormat.width;
-
-    ImmutableList.Builder<Effect> effectsListBuilder =
-        new ImmutableList.Builder<Effect>().addAll(effects);
-    if (transformationRequest.outputHeight != C.LENGTH_UNSET) {
-      effectsListBuilder.add(Presentation.createForHeight(transformationRequest.outputHeight));
-    }
-
     encoderWrapper =
         new EncoderWrapper(
             encoderFactory,
@@ -165,7 +152,7 @@ import org.checkerframework.dataflow.qual.Pure;
       frameProcessor =
           frameProcessorFactory.create(
               context,
-              effectsListBuilder.build(),
+              effects,
               debugViewProvider,
               frameProcessorInputColor,
               frameProcessorOutputColor,
@@ -212,6 +199,11 @@ import org.checkerframework.dataflow.qual.Pure;
       throw TransformationException.createForFrameProcessingException(
           e, TransformationException.ERROR_CODE_FRAME_PROCESSING_FAILED);
     }
+    // The decoder rotates encoded frames for display by inputFormat.rotationDegrees.
+    int decodedWidth =
+        (inputFormat.rotationDegrees % 180 == 0) ? inputFormat.width : inputFormat.height;
+    int decodedHeight =
+        (inputFormat.rotationDegrees % 180 == 0) ? inputFormat.height : inputFormat.width;
     firstFrameInfo =
         new FrameInfo.Builder(decodedWidth, decodedHeight)
             .setPixelWidthHeightRatio(inputFormat.pixelWidthHeightRatio)