Update sample pipelines and frame processors to handle image input.

PiperOrigin-RevId: 506965394

library/common/src/main/java/com/google/android/exoplayer2/util/FrameProcessor.java

@@ -16,6 +16,7 @@
 package com.google.android.exoplayer2.util;
 
 import android.content.Context;
+import android.graphics.Bitmap;
 import android.opengl.EGLExt;
 import android.view.Surface;
 import androidx.annotation.Nullable;
@@ -122,6 +123,20 @@ public interface FrameProcessor {
   /** Indicates the frame should be dropped after {@link #releaseOutputFrame(long)} is invoked. */
   long DROP_OUTPUT_FRAME = -2;
 
+  /**
+   * Provides an input {@link Bitmap} to the {@link FrameProcessor}.
+   *
+   * <p>Can be called on any thread.
+   *
+   * @param inputBitmap The {@link Bitmap} queued to the {@link FrameProcessor}.
+   * @param durationUs The duration for which to display the {@code inputBitmap}, in microseconds.
+   * @param frameRate The frame rate at which to display the {@code inputBitmap}, in frames per
+   *     second.
+   */
+  // TODO(b/262693274): Remove duration & frameRate parameters when EditedMediaItem can be signalled
+  //     down to the processors.
+  void queueInputBitmap(Bitmap inputBitmap, long durationUs, int frameRate);
+
   /**
    * Returns the input {@link Surface}, where {@link FrameProcessor} consumes input frames from.
    *

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

@@ -21,6 +21,7 @@ import static com.google.android.exoplayer2.util.Assertions.checkStateNotNull;
 import static com.google.common.collect.Iterables.getLast;
 
 import android.content.Context;
+import android.graphics.Bitmap;
 import android.graphics.SurfaceTexture;
 import android.opengl.EGLContext;
 import android.opengl.EGLDisplay;
@@ -407,6 +408,9 @@ public final class GlEffectsFrameProcessor implements FrameProcessor {
     inputExternalTextureManager.getSurfaceTexture().setDefaultBufferSize(width, height);
   }
 
+  @Override
+  public void queueInputBitmap(Bitmap inputBitmap, long durationUs, int frameRate) {}
+
   @Override
   public Surface getInputSurface() {
     return inputSurface;

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

@@ -34,7 +34,7 @@ import com.google.android.exoplayer2.video.ColorInfo;
 
   private final long streamStartPositionUs;
   private final MuxerWrapper muxerWrapper;
-  private final @C.TrackType int trackType;
+  private final @C.TrackType int outputTrackType;
 
   private boolean muxerWrapperTrackAdded;
 
@@ -42,7 +42,10 @@ import com.google.android.exoplayer2.video.ColorInfo;
       Format firstInputFormat, long streamStartPositionUs, MuxerWrapper muxerWrapper) {
     this.streamStartPositionUs = streamStartPositionUs;
     this.muxerWrapper = muxerWrapper;
-    trackType = MimeTypes.getTrackType(firstInputFormat.sampleMimeType);
+    outputTrackType =
+        MimeTypes.isImage(firstInputFormat.sampleMimeType)
+            ? C.TRACK_TYPE_VIDEO
+            : MimeTypes.getTrackType(firstInputFormat.sampleMimeType);
   }
 
   protected static TransformationException createNoSupportedMimeTypeException(Format format) {
@@ -113,7 +116,7 @@ import com.google.android.exoplayer2.video.ColorInfo;
     }
 
     if (isMuxerInputEnded()) {
-      muxerWrapper.endTrack(trackType);
+      muxerWrapper.endTrack(outputTrackType);
       return false;
     }
 
@@ -127,7 +130,7 @@ import com.google.android.exoplayer2.video.ColorInfo;
     //  buffer from all samples so that they are guaranteed to start from zero in the output file.
     try {
       if (!muxerWrapper.writeSample(
-          trackType,
+          outputTrackType,
           checkStateNotNull(muxerInputBuffer.data),
           muxerInputBuffer.isKeyFrame(),
           samplePresentationTimeUs)) {

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

@@ -25,6 +25,7 @@ import static com.google.android.exoplayer2.util.Assertions.checkState;
 import static com.google.android.exoplayer2.util.Util.SDK_INT;
 
 import android.content.Context;
+import android.graphics.Bitmap;
 import android.media.MediaCodec;
 import android.view.Surface;
 import androidx.annotation.Nullable;
@@ -204,6 +205,11 @@ import org.checkerframework.dataflow.qual.Pure;
         new FrameInfo.Builder(firstFrameInfo).setOffsetToAddUs(mediaItemOffsetUs).build());
   }
 
+  @Override
+  public void queueInputBitmap(Bitmap inputBitmap, long durationUs, int frameRate) {
+    frameProcessor.queueInputBitmap(inputBitmap, durationUs, frameRate);
+  }
+
   @Override
   public Surface getInputSurface() {
     return frameProcessor.getInputSurface();
@@ -352,10 +358,15 @@ import org.checkerframework.dataflow.qual.Pure;
       this.transformationRequest = transformationRequest;
       this.fallbackListener = fallbackListener;
 
-      requestedOutputMimeType =
+      String inputSampleMimeType = checkNotNull(inputFormat.sampleMimeType);
-          transformationRequest.videoMimeType != null
+
-              ? transformationRequest.videoMimeType
+      if (transformationRequest.videoMimeType != null) {
-              : checkNotNull(inputFormat.sampleMimeType);
+        requestedOutputMimeType = transformationRequest.videoMimeType;
+      } else if (MimeTypes.isImage(inputSampleMimeType)) {
+        requestedOutputMimeType = MimeTypes.VIDEO_H265;
+      } else {
+        requestedOutputMimeType = inputSampleMimeType;
+      }
       supportedEncoderNamesForHdrEditing =
           EncoderUtil.getSupportedEncoderNamesForHdrEditing(
               requestedOutputMimeType, inputFormat.colorInfo);