Use video passthrough if clipping starts at key frame.

PiperOrigin-RevId: 451380267
2022-05-27 13:22:03 +00:00 · 2022-05-27 13:22:03 +00:00 · 9649411a4f
commit 9649411a4f
parent 3e8a2f104c
4 changed files with 1054 additions and 30 deletions
--- a/libraries/test_data/src/test/assets/transformerdumps/mp4/sample_with_increasing_timestamps_320w_240h.mp4.clipped.dump
+++ b/libraries/test_data/src/test/assets/transformerdumps/mp4/sample_with_increasing_timestamps_320w_240h.mp4.clipped.dump
@ -0,0 +1,991 @@
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+  trackIndex = 0
+  dataHashCode = 63390943
+  size = 517
+  isKeyFrame = true
+  presentationTimeUs = 1223020
+sample:
+  trackIndex = 0
+  dataHashCode = -747883422
+  size = 517
+  isKeyFrame = true
+  presentationTimeUs = 1244354
+sample:
+  trackIndex = 0
+  dataHashCode = -1574660470
+  size = 526
+  isKeyFrame = true
+  presentationTimeUs = 1265687
+sample:
+  trackIndex = 0
+  dataHashCode = 1371653176
+  size = 515
+  isKeyFrame = true
+  presentationTimeUs = 1287020
+sample:
+  trackIndex = 0
+  dataHashCode = -873513581
+  size = 503
+  isKeyFrame = true
+  presentationTimeUs = 1308354
+sample:
+  trackIndex = 0
+  dataHashCode = -1886763688
+  size = 514
+  isKeyFrame = true
+  presentationTimeUs = 1329687
+sample:
+  trackIndex = 0
+  dataHashCode = 1308763541
+  size = 512
+  isKeyFrame = true
+  presentationTimeUs = 1351020
+sample:
+  trackIndex = 0
+  dataHashCode = 490619935
+  size = 505
+  isKeyFrame = true
+  presentationTimeUs = 1372354
+sample:
+  trackIndex = 0
+  dataHashCode = -671375789
+  size = 512
+  isKeyFrame = true
+  presentationTimeUs = 1393687
+sample:
+  trackIndex = 0
+  dataHashCode = -1950105780
+  size = 521
+  isKeyFrame = true
+  presentationTimeUs = 1415020
+sample:
+  trackIndex = 0
+  dataHashCode = -1430221498
+  size = 533
+  isKeyFrame = true
+  presentationTimeUs = 1436354
+sample:
+  trackIndex = 0
+  dataHashCode = 529950036
+  size = 505
+  isKeyFrame = true
+  presentationTimeUs = 1457687
+sample:
+  trackIndex = 0
+  dataHashCode = 1705899587
+  size = 497
+  isKeyFrame = true
+  presentationTimeUs = 1479020
+released = true
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/Transformer.java
+++ b/libraries/transformer/src/main/java/androidx/media3/transformer/Transformer.java
@ -758,6 +758,7 @@ public final class Transformer {
                    removeAudio,
                    removeVideo,
                    transformationRequest,
+                    mediaItem.clippingConfiguration.startsAtKeyFrame,
                    videoFrameEffects,
                    encoderFactory,
                    decoderFactory,
@ -871,6 +872,7 @@ 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;
@ -884,6 +886,7 @@ public final class Transformer {
        boolean removeAudio,
        boolean removeVideo,
        TransformationRequest transformationRequest,
+        boolean clippingStartsAtKeyFrame,
        ImmutableList<GlEffect> videoFrameEffects,
        Codec.EncoderFactory encoderFactory,
        Codec.DecoderFactory decoderFactory,
@ -895,6 +898,7 @@ 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;
@ -932,6 +936,7 @@ public final class Transformer {
                muxerWrapper,
                mediaClock,
                transformationRequest,
+                clippingStartsAtKeyFrame,
                videoFrameEffects,
                encoderFactory,
                decoderFactory,
--- a/libraries/transformer/src/main/java/androidx/media3/transformer/TransformerVideoRenderer.java
+++ b/libraries/transformer/src/main/java/androidx/media3/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()) {
--- a/libraries/transformer/src/test/java/androidx/media3/transformer/TransformerEndToEndTest.java
+++ b/libraries/transformer/src/test/java/androidx/media3/transformer/TransformerEndToEndTest.java
@ -73,9 +73,11 @@ import org.robolectric.shadows.ShadowMediaCodecList;
@RunWith(AndroidJUnit4.class)
 public final class TransformerEndToEndTest {

-  private static final String URI_PREFIX = "asset:///media/";
+  private static final String ASSET_URI_PREFIX = "asset:///media/";
  private static final String FILE_VIDEO_ONLY = "mp4/sample_18byte_nclx_colr.mp4";
  private static final String FILE_AUDIO_VIDEO = "mp4/sample.mp4";
+  private static final String FILE_AUDIO_VIDEO_INCREASING_TIMESTAMPS_15S =
+      "mp4/sample_with_increasing_timestamps_320w_240h.mp4";
  private static final String FILE_WITH_SUBTITLES = "mkv/sample_with_srt.mkv";
  private static final String FILE_WITH_SEF_SLOW_MOTION = "mp4/sample_sef_slow_motion.mp4";
  private static final String FILE_AUDIO_UNSUPPORTED_BY_DECODER = "amr/sample_wb.amr";
@ -109,7 +111,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void startTransformation_videoOnlyPassthrough_completesSuccessfully() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_VIDEO_ONLY);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_VIDEO_ONLY);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -121,7 +123,7 @@ public final class TransformerEndToEndTest {
  public void startTransformation_audioOnlyPassthrough_completesSuccessfully() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();

-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_ENCODER);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_ENCODER);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -139,7 +141,7 @@ public final class TransformerEndToEndTest {
                    .setAudioMimeType(MimeTypes.AUDIO_AAC) // supported by encoder and muxer
                    .build())
            .build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_ENCODER);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_ENCODER);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -151,7 +153,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void startTransformation_audioAndVideo_completesSuccessfully() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -159,6 +161,30 @@ public final class TransformerEndToEndTest {
    DumpFileAsserts.assertOutput(context, testMuxer, getDumpFileName(FILE_AUDIO_VIDEO));
  }

+  @Test
+  public void startTransformation_audioAndVideo_withClippingStartAtKeyFrame_completesSuccessfully()
+      throws Exception {
+    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
+    MediaItem mediaItem =
+        new MediaItem.Builder()
+            .setUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO_INCREASING_TIMESTAMPS_15S)
+            .setClippingConfiguration(
+                new MediaItem.ClippingConfiguration.Builder()
+                    .setStartPositionMs(12_500)
+                    .setEndPositionMs(14_000)
+                    .setStartsAtKeyFrame(true)
+                    .build())
+            .build();
+
+    transformer.startTransformation(mediaItem, outputPath);
+    TransformerTestRunner.runUntilCompleted(transformer);
+
+    DumpFileAsserts.assertOutput(
+        context,
+        testMuxer,
+        getDumpFileName(FILE_AUDIO_VIDEO_INCREASING_TIMESTAMPS_15S + ".clipped"));
+  }
+
  @Test
  public void startTransformation_withSubtitles_completesSuccessfully() throws Exception {
    Transformer transformer =
@ -166,7 +192,7 @@ public final class TransformerEndToEndTest {
            .setTransformationRequest(
                new TransformationRequest.Builder().setAudioMimeType(MimeTypes.AUDIO_AAC).build())
            .build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_WITH_SUBTITLES);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_WITH_SUBTITLES);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -178,7 +204,7 @@ public final class TransformerEndToEndTest {
  public void startTransformation_successiveTransformations_completesSuccessfully()
      throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);

    // Transform first media item.
    transformer.startTransformation(mediaItem, outputPath);
@ -195,7 +221,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void startTransformation_concurrentTransformations_throwsError() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_VIDEO_ONLY);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_VIDEO_ONLY);

    transformer.startTransformation(mediaItem, outputPath);

@ -207,7 +233,7 @@ public final class TransformerEndToEndTest {
  public void startTransformation_removeAudio_completesSuccessfully() throws Exception {
    Transformer transformer =
        createTransformerBuilder(/* enableFallback= */ false).setRemoveAudio(true).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -220,7 +246,7 @@ public final class TransformerEndToEndTest {
  public void startTransformation_removeVideo_completesSuccessfully() throws Exception {
    Transformer transformer =
        createTransformerBuilder(/* enableFallback= */ false).setRemoveVideo(true).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -240,7 +266,7 @@ public final class TransformerEndToEndTest {
            .addListener(mockListener2)
            .addListener(mockListener3)
            .build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -263,7 +289,7 @@ public final class TransformerEndToEndTest {
            .setTransformationRequest( // Request transcoding so that decoder is used.
                new TransformationRequest.Builder().setAudioMimeType(MimeTypes.AUDIO_AAC).build())
            .build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_DECODER);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_DECODER);

    transformer.startTransformation(mediaItem, outputPath);
    TransformationException exception = TransformerTestRunner.runUntilError(transformer);
@ -288,7 +314,7 @@ public final class TransformerEndToEndTest {
            .addListener(mockListener2)
            .addListener(mockListener3)
            .build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_MUXER);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_MUXER);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -314,7 +340,7 @@ public final class TransformerEndToEndTest {
            .addListener(mockListener3)
            .build();
    Transformer transformer2 = transformer1.buildUpon().removeListener(mockListener2).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);

    transformer2.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer2);
@ -331,7 +357,7 @@ public final class TransformerEndToEndTest {
            .setTransformationRequest(
                new TransformationRequest.Builder().setFlattenForSlowMotion(true).build())
            .build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_WITH_SEF_SLOW_MOTION);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_WITH_SEF_SLOW_MOTION);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -352,7 +378,7 @@ public final class TransformerEndToEndTest {
        };
    Transformer transformer =
        createTransformerBuilder(/* enableFallback= */ false).addListener(listener).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -374,7 +400,7 @@ public final class TransformerEndToEndTest {
                        MimeTypes.AUDIO_AMR_NB) // unsupported by encoder, supported by muxer
                    .build())
            .build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_MUXER);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_MUXER);

    transformer.startTransformation(mediaItem, outputPath);
    TransformationException exception = TransformerTestRunner.runUntilError(transformer);
@ -394,7 +420,7 @@ public final class TransformerEndToEndTest {
                    .setAudioMimeType(MimeTypes.AUDIO_AAC) // supported by encoder and muxer
                    .build())
            .build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_DECODER);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_DECODER);

    transformer.startTransformation(mediaItem, outputPath);
    TransformationException exception = TransformerTestRunner.runUntilError(transformer);
@ -420,7 +446,7 @@ public final class TransformerEndToEndTest {
  public void startTransformation_withAudioMuxerFormatUnsupported_completesWithError()
      throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_MUXER);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_MUXER);

    transformer.startTransformation(mediaItem, outputPath);
    TransformationException exception = TransformerTestRunner.runUntilError(transformer);
@ -441,7 +467,7 @@ public final class TransformerEndToEndTest {
        new TransformationRequest.Builder().setAudioMimeType(MimeTypes.AUDIO_AAC).build();
    Transformer transformer =
        createTransformerBuilder(/* enableFallback= */ true).addListener(mockListener).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_MUXER);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_UNSUPPORTED_BY_MUXER);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);
@ -455,7 +481,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void startTransformation_afterCancellation_completesSuccessfully() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);

    transformer.startTransformation(mediaItem, outputPath);
    transformer.cancel();
@ -475,7 +501,7 @@ public final class TransformerEndToEndTest {
    Looper looper = anotherThread.getLooper();
    Transformer transformer =
        createTransformerBuilder(/* enableFallback= */ false).setLooper(looper).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);
    AtomicReference<Exception> exception = new AtomicReference<>();
    CountDownLatch countDownLatch = new CountDownLatch(1);

@ -500,7 +526,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void startTransformation_fromWrongThread_throwsError() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_AUDIO_VIDEO);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO);
    HandlerThread anotherThread = new HandlerThread("AnotherThread");
    AtomicReference<IllegalStateException> illegalStateException = new AtomicReference<>();
    CountDownLatch countDownLatch = new CountDownLatch(1);
@ -527,7 +553,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void getProgress_knownDuration_returnsConsistentStates() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_VIDEO_ONLY);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_VIDEO_ONLY);
    AtomicInteger previousProgressState =
        new AtomicInteger(PROGRESS_STATE_WAITING_FOR_AVAILABILITY);
    AtomicBoolean foundInconsistentState = new AtomicBoolean();
@ -573,7 +599,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void getProgress_knownDuration_givesIncreasingPercentages() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_VIDEO_ONLY);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_VIDEO_ONLY);
    List<Integer> progresses = new ArrayList<>();
    Handler progressHandler =
        new Handler(Looper.myLooper()) {
@ -608,7 +634,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void getProgress_noCurrentTransformation_returnsNoTransformation() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_VIDEO_ONLY);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_VIDEO_ONLY);

    @Transformer.ProgressState int stateBeforeTransform = transformer.getProgress(progressHolder);
    transformer.startTransformation(mediaItem, outputPath);
@ -622,7 +648,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void getProgress_unknownDuration_returnsConsistentStates() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_UNKNOWN_DURATION);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_UNKNOWN_DURATION);
    AtomicInteger previousProgressState =
        new AtomicInteger(PROGRESS_STATE_WAITING_FOR_AVAILABILITY);
    AtomicBoolean foundInconsistentState = new AtomicBoolean();
@ -689,7 +715,7 @@ public final class TransformerEndToEndTest {
  @Test
  public void cancel_afterCompletion_doesNotThrow() throws Exception {
    Transformer transformer = createTransformerBuilder(/* enableFallback= */ false).build();
-    MediaItem mediaItem = MediaItem.fromUri(URI_PREFIX + FILE_VIDEO_ONLY);
+    MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_VIDEO_ONLY);

    transformer.startTransformation(mediaItem, outputPath);
    TransformerTestRunner.runUntilCompleted(transformer);