Use video passthrough if clipping starts at key frame.

PiperOrigin-RevId: 451380267

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

@@ -756,6 +756,7 @@ public final class Transformer {
                     removeAudio,
                     removeVideo,
                     transformationRequest,
+                    mediaItem.clippingConfiguration.startsAtKeyFrame,
                     videoFrameEffects,
                     encoderFactory,
                     decoderFactory,
@@ -869,6 +870,7 @@ public final class Transformer {
     private final boolean removeAudio;
     private final boolean removeVideo;
     private final TransformationRequest transformationRequest;
+    private final boolean clippingStartsAtKeyFrame;
     private final ImmutableList<GlEffect> videoFrameEffects;
     private final Codec.EncoderFactory encoderFactory;
     private final Codec.DecoderFactory decoderFactory;
@@ -882,6 +884,7 @@ public final class Transformer {
         boolean removeAudio,
         boolean removeVideo,
         TransformationRequest transformationRequest,
+        boolean clippingStartsAtKeyFrame,
         ImmutableList<GlEffect> videoFrameEffects,
         Codec.EncoderFactory encoderFactory,
         Codec.DecoderFactory decoderFactory,
@@ -893,6 +896,7 @@ public final class Transformer {
       this.removeAudio = removeAudio;
       this.removeVideo = removeVideo;
       this.transformationRequest = transformationRequest;
+      this.clippingStartsAtKeyFrame = clippingStartsAtKeyFrame;
       this.videoFrameEffects = videoFrameEffects;
       this.encoderFactory = encoderFactory;
       this.decoderFactory = decoderFactory;
@@ -930,6 +934,7 @@ public final class Transformer {
                 muxerWrapper,
                 mediaClock,
                 transformationRequest,
+                clippingStartsAtKeyFrame,
                 videoFrameEffects,
                 encoderFactory,
                 decoderFactory,

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

@@ -35,6 +35,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
   private static final String TAG = "TVideoRenderer";
 
   private final Context context;
+  private final boolean clippingStartsAtKeyFrame;
   private final ImmutableList<GlEffect> effects;
   private final Codec.EncoderFactory encoderFactory;
   private final Codec.DecoderFactory decoderFactory;
@@ -49,6 +50,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
       MuxerWrapper muxerWrapper,
       TransformerMediaClock mediaClock,
       TransformationRequest transformationRequest,
+      boolean clippingStartsAtKeyFrame,
       ImmutableList<GlEffect> effects,
       Codec.EncoderFactory encoderFactory,
       Codec.DecoderFactory decoderFactory,
@@ -57,6 +59,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
       Transformer.DebugViewProvider debugViewProvider) {
     super(C.TRACK_TYPE_VIDEO, muxerWrapper, mediaClock, transformationRequest, fallbackListener);
     this.context = context;
+    this.clippingStartsAtKeyFrame = clippingStartsAtKeyFrame;
     this.effects = effects;
     this.encoderFactory = encoderFactory;
     this.decoderFactory = decoderFactory;
@@ -110,8 +113,7 @@ import org.checkerframework.checker.nullness.qual.RequiresNonNull;
   }
 
   private boolean shouldPassthrough(Format inputFormat) {
-    // TODO(b/233988291): Use passthrough pipeline if the clipping start is a key-frame.
-    if (startPositionOffsetUs != 0) {
+    if (startPositionOffsetUs != 0 && !clippingStartsAtKeyFrame) {
       return false;
     }
     if (encoderFactory.videoNeedsEncoding()) {