Split dump file directories based on input file name.

Remove old unused dump files.

PiperOrigin-RevId: 558820926

libraries/test_data/src/test/assets/transformerdumps/mp4/sample.mp4.48000hz.dump

@@ -1,478 +0,0 @@
-format 0:
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-  sampleMimeType = video/avc
-  codecs = avc1.64001F
-  maxInputSize = 36722
-  width = 1080
-  height = 720
-  frameRate = 29.970028
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-    data = length 10, hash 7A0D0F2B
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-  sampleMimeType = audio/mp4a-latm
-  channelCount = 1
-  sampleRate = 48000
-  pcmEncoding = 2
-  metadata = entries=[TSSE: description=null: values=[Lavf56.1.0], xyz: latitude=40.68, longitude=-74.5, Mp4Timestamp: creation time=3547558895, modification time=3547558895, timescale=1000]
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-released = true

libraries/test_data/src/test/assets/transformerdumps/mp4/sample_ac3.mp4.fallback.dump

@@ -1,63 +0,0 @@
-format 0:
-  averageBitrate = 131072
-  sampleMimeType = audio/mp4a-latm
-  channelCount = 6
-  sampleRate = 48000
-  pcmEncoding = 2
-  metadata = entries=[Mp4Timestamp: creation time=3664419241, modification time=3664419241, timescale=600]
-container metadata = entries=[Mp4Timestamp: creation time=3664419241, modification time=3664419241, timescale=600]
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-sample:
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libraries/test_data/src/test/assets/transformerdumps/mp4/sowt-with-video.mov/silenceHighPitch_silence.dump

@@ -1716,482 +1716,482 @@ sample:
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 sample:
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 sample:
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 sample:
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 sample:
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 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 2875260
+  presentationTimeUs = 2882199
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 2900204
+  presentationTimeUs = 2905419
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 2922653
+  presentationTimeUs = 2928639
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 2945102
+  presentationTimeUs = 2951859
 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 2967551
+  presentationTimeUs = 2975079
 sample:
   trackIndex = 1
-  dataHashCode = 2055611009
+  dataHashCode = 634299009
-  size = 1324
+  size = 300
   isKeyFrame = true
-  presentationTimeUs = 2992494
+  presentationTimeUs = 2998299
 sample:
   trackIndex = 1
-  dataHashCode = -76324991
+  dataHashCode = -1988911743
-  size = 6596
+  size = 7892
   isKeyFrame = true
   presentationTimeUs = 3000000
 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3037392
+  presentationTimeUs = 3044739
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3062335
+  presentationTimeUs = 3067959
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3084784
+  presentationTimeUs = 3091179
 sample:
   trackIndex = 1
-  dataHashCode = -122903935
+  dataHashCode = 1742602241
-  size = 4396
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3107233
+  presentationTimeUs = 3114399
 sample:
   trackIndex = 1
-  dataHashCode = 2136490497
+  dataHashCode = -809762815
-  size = 7920
+  size = 8192
   isKeyFrame = true
-  presentationTimeUs = 3132154
+  presentationTimeUs = 3137619
 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3177052
+  presentationTimeUs = 3184058
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3201995
+  presentationTimeUs = 3207278
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3224444
+  presentationTimeUs = 3230498
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3246893
+  presentationTimeUs = 3253718
 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3269342
+  presentationTimeUs = 3276938
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3294285
+  presentationTimeUs = 3300158
 sample:
   trackIndex = 1
-  dataHashCode = 644553473
+  dataHashCode = -809762815
-  size = 8360
+  size = 8192
   isKeyFrame = true
-  presentationTimeUs = 3316734
+  presentationTimeUs = 3323378
 sample:
   trackIndex = 1
-  dataHashCode = -448902783
+  dataHashCode = 1742602241
-  size = 3956
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3364126
+  presentationTimeUs = 3369818
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3386553
+  presentationTimeUs = 3393038
 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3409002
+  presentationTimeUs = 3416258
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3433945
+  presentationTimeUs = 3439478
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3456394
+  presentationTimeUs = 3462698
 sample:
   trackIndex = 1
-  dataHashCode = 1120019841
+  dataHashCode = 1999233
-  size = 3732
+  size = 2484
   isKeyFrame = true
-  presentationTimeUs = 3478843
+  presentationTimeUs = 3485918
 sample:
   trackIndex = 1
-  dataHashCode = 454210945
+  dataHashCode = -37765503
-  size = 4628
+  size = 5708
   isKeyFrame = true
   presentationTimeUs = 3500000
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3526235
+  presentationTimeUs = 3532358
 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3548684
+  presentationTimeUs = 3555578
 sample:
   trackIndex = 1
-  dataHashCode = 2136490497
+  dataHashCode = -809762815
-  size = 7920
+  size = 8192
   isKeyFrame = true
-  presentationTimeUs = 3573628
+  presentationTimeUs = 3578798
 sample:
   trackIndex = 1
-  dataHashCode = -448902783
+  dataHashCode = 1742602241
-  size = 3956
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3618526
+  presentationTimeUs = 3625238
 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3640952
+  presentationTimeUs = 3648458
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3665895
+  presentationTimeUs = 3671678
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3688344
+  presentationTimeUs = 3694897
 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3710793
+  presentationTimeUs = 3718117
 sample:
   trackIndex = 1
-  dataHashCode = 2136490497
+  dataHashCode = -809762815
-  size = 7920
+  size = 8192
   isKeyFrame = true
-  presentationTimeUs = 3735736
+  presentationTimeUs = 3741337
 sample:
   trackIndex = 1
-  dataHashCode = -1264223743
+  dataHashCode = 1742602241
-  size = 4400
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3780634
+  presentationTimeUs = 3787777
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3805578
+  presentationTimeUs = 3810997
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3828027
+  presentationTimeUs = 3834217
 sample:
   trackIndex = 1
-  dataHashCode = -122903935
+  dataHashCode = 1742602241
-  size = 4396
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3850476
+  presentationTimeUs = 3857437
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = 1742602241
-  size = 3960
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3875396
+  presentationTimeUs = 3880657
 sample:
   trackIndex = 1
-  dataHashCode = 571187457
+  dataHashCode = -809762815
-  size = 3960
+  size = 8192
   isKeyFrame = true
-  presentationTimeUs = 3897845
+  presentationTimeUs = 3903877
 sample:
   trackIndex = 1
-  dataHashCode = 644553473
+  dataHashCode = 1742602241
-  size = 8360
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3920294
+  presentationTimeUs = 3950317
 sample:
   trackIndex = 1
-  dataHashCode = -1759454975
+  dataHashCode = 1742602241
-  size = 440
+  size = 4096
   isKeyFrame = true
-  presentationTimeUs = 3967687
+  presentationTimeUs = 3973537
 sample:
   trackIndex = 1
-  dataHashCode = -1409159807
+  dataHashCode = -204243967
-  size = 5204
+  size = 544
   isKeyFrame = true
-  presentationTimeUs = 3970181
+  presentationTimeUs = 3996757
 released = true

libraries/transformer/src/test/java/androidx/media3/transformer/CompositionExportTest.java

@@ -210,7 +210,10 @@ public class CompositionExportTest {
 
     assertThat(exportResult.processedInputs).hasSize(2);
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_RAW + ".concurrent"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW, /* modifications...= */ "concurrent"));
   }
 
   @Test

libraries/transformer/src/test/java/androidx/media3/transformer/MediaItemExportTest.java

@@ -171,7 +171,9 @@ public final class MediaItemExportTest {
     TransformerTestRunner.runLooper(transformer);
 
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_RAW + ".aac"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(/* originalFileName= */ FILE_AUDIO_RAW, /* modifications...= */ "aac"));
   }
 
   @Test
@@ -209,7 +211,9 @@ public final class MediaItemExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_VIDEO_INCREASING_TIMESTAMPS_15S + ".clipped"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO_INCREASING_TIMESTAMPS_15S,
+            /* modifications...= */ "clipped"));
   }
 
   @Test
@@ -227,7 +231,10 @@ public final class MediaItemExportTest {
     TransformerTestRunner.runLooper(transformer);
 
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_WITH_SUBTITLES) + ".noaudio");
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(
+            /* originalFileName= */ FILE_WITH_SUBTITLES, /* modifications...= */ "noaudio"));
   }
 
   @Test
@@ -273,7 +280,10 @@ public final class MediaItemExportTest {
     TransformerTestRunner.runLooper(transformer);
 
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_VIDEO + ".noaudio"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO, /* modifications...= */ "noaudio"));
   }
 
   @Test
@@ -289,7 +299,10 @@ public final class MediaItemExportTest {
     TransformerTestRunner.runLooper(transformer);
 
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_VIDEO + ".novideo"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO, /* modifications...= */ "novideo"));
   }
 
   @Test
@@ -347,7 +360,8 @@ public final class MediaItemExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_VIDEO + ".silentaudio"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO, /* modifications...= */ "silence"));
   }
 
   @Test
@@ -373,7 +387,10 @@ public final class MediaItemExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_VIDEO + ".silentaudio_48000hz"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO, /* modifications...= */
+            "silence",
+            "48000hz"));
   }
 
   @Test
@@ -392,7 +409,10 @@ public final class MediaItemExportTest {
     transformer.start(composition, outputPath);
     TransformerTestRunner.runLooper(transformer);
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_VIDEO + ".novideo"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO, /* modifications...= */ "novideo"));
   }
 
   @Test
@@ -410,7 +430,10 @@ public final class MediaItemExportTest {
     TransformerTestRunner.runLooper(transformer);
 
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_VIDEO_ONLY + ".silentaudio"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(
+            /* originalFileName= */ FILE_VIDEO_ONLY, /* modifications...= */ "silence"));
   }
 
   @Test
@@ -430,7 +453,9 @@ public final class MediaItemExportTest {
     TransformerTestRunner.runLooper(transformer);
 
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_RAW + ".48000hz"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(/* originalFileName= */ FILE_AUDIO_RAW, /* modifications...= */ "48000hz"));
   }
 
   @Test
@@ -452,7 +477,9 @@ public final class MediaItemExportTest {
     transformer.start(composition, outputPath);
     TransformerTestRunner.runLooper(transformer);
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_RAW + ".48000hz"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(/* originalFileName= */ FILE_AUDIO_RAW, /* modifications...= */ "48000hz"));
   }
 
   @Test
@@ -677,7 +704,8 @@ public final class MediaItemExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_WITH_SEF_SLOW_MOTION) + ".noaudio");
+        getDumpFileName(
+            /* originalFileName= */ FILE_WITH_SEF_SLOW_MOTION, /* modifications...= */ "noaudio"));
   }
 
   @Test
@@ -774,7 +802,9 @@ public final class MediaItemExportTest {
     TransformerTestRunner.runLooper(transformer);
 
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_RAW + ".aac"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(/* originalFileName= */ FILE_AUDIO_RAW, /* modifications...= */ "aac"));
     verify(mockListener)
         .onFallbackApplied(
             any(Composition.class),
@@ -806,7 +836,9 @@ public final class MediaItemExportTest {
     TransformerTestRunner.runLooper(transformer);
 
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_RAW + ".aac"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(/* originalFileName= */ FILE_AUDIO_RAW, /* modifications...= */ "aac"));
     verify(mockListener)
         .onFallbackApplied(
             any(Composition.class),
@@ -1024,7 +1056,10 @@ public final class MediaItemExportTest {
 
     // Video transcoding in unit tests is not supported.
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_VIDEO + ".rotated"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO, /* modifications...= */ "rotated"));
   }
 
   @Test

libraries/transformer/src/test/java/androidx/media3/transformer/SequenceExportTest.java

@@ -97,7 +97,11 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_VIDEO + ".concatenated_transmux"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO,
+            /* modifications...= */ "original",
+            "original",
+            "transmux"));
   }
 
   @Test
@@ -125,7 +129,11 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_VIDEO + ".concatenated_transmux"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO,
+            /* modifications...= */ "original",
+            "original",
+            "transmux"));
   }
 
   @Test
@@ -168,7 +176,10 @@ public final class SequenceExportTest {
         context,
         muxerFactory.getCreatedMuxer(),
         getDumpFileName(
-            FILE_AUDIO_VIDEO_INCREASING_TIMESTAMPS_15S + ".clipped_concatenated_transmux"));
+            /* originalFileName= */ FILE_AUDIO_VIDEO_INCREASING_TIMESTAMPS_15S,
+            /* modifications...= */ "clipped",
+            "clipped",
+            "transmux"));
   }
 
   @Test
@@ -193,7 +204,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_VIDEO + ".audio_then_silence"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_VIDEO,
+            /* modifications...= */ "original",
+            "silence"));
   }
 
   @Test
@@ -218,7 +232,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_VIDEO + ".silence_then_audio"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_VIDEO,
+            /* modifications...= */ "silence",
+            "original"));
   }
 
   @Test
@@ -249,7 +266,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_VIDEO + ".audio_then_silence_with_effects"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_VIDEO,
+            /* modifications...= */ "highPitch",
+            "silenceHighPitch"));
   }
 
   @Test
@@ -258,7 +278,7 @@ public final class SequenceExportTest {
     Transformer transformer =
         createTransformerBuilder(muxerFactory, /* enableFallback= */ false).build();
     MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_RAW_VIDEO);
-    EditedMediaItem noAudioEditedMediaItem =
+    EditedMediaItem silenceEditedMediaItem =
         new EditedMediaItem.Builder(mediaItem)
             .setRemoveAudio(true)
             .setEffects(createAudioEffects(createPitchChangingAudioProcessor(/* pitch= */ 2f)))
@@ -269,7 +289,7 @@ public final class SequenceExportTest {
             .build();
     Composition composition =
         new Composition.Builder(
-                new EditedMediaItemSequence(noAudioEditedMediaItem, audioEditedMediaItem))
+                new EditedMediaItemSequence(silenceEditedMediaItem, audioEditedMediaItem))
             .experimentalSetForceAudioTrack(true)
             .setTransmuxVideo(true)
             .build();
@@ -280,7 +300,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_VIDEO + ".silence_then_audio_with_effects"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_VIDEO,
+            /* modifications...= */ "silenceHighPitch",
+            "highPitch"));
   }
 
   @Test
@@ -303,7 +326,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_VIDEO + ".silence_then_silence"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_VIDEO,
+            /* modifications...= */ "silence",
+            "silence"));
   }
 
   @Test
@@ -318,10 +344,7 @@ public final class SequenceExportTest {
             .setEffects(createAudioEffects(createPitchChangingAudioProcessor(/* pitch= */ 2f)))
             .build();
     EditedMediaItem silenceItem =
-        new EditedMediaItem.Builder(mediaItem)
+        new EditedMediaItem.Builder(mediaItem).setRemoveAudio(true).build();
-            .setRemoveAudio(true)
-            .setEffects(createAudioEffects(createPitchChangingAudioProcessor(/* pitch= */ 2f)))
-            .build();
     Composition composition =
         new Composition.Builder(new EditedMediaItemSequence(silenceWithEffectsItem, silenceItem))
             .experimentalSetForceAudioTrack(true)
@@ -334,7 +357,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_VIDEO + ".silence-effects_then_silence"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_VIDEO,
+            /* modifications...= */ "silenceHighPitch",
+            "silence"));
   }
 
   @Test
@@ -343,12 +369,9 @@ public final class SequenceExportTest {
     Transformer transformer =
         createTransformerBuilder(muxerFactory, /* enableFallback= */ false).build();
     MediaItem mediaItem = MediaItem.fromUri(ASSET_URI_PREFIX + FILE_AUDIO_RAW_VIDEO);
-    EditedMediaItem silenceWithEffectsItem =
-        new EditedMediaItem.Builder(mediaItem)
-            .setRemoveAudio(true)
-            .setEffects(createAudioEffects(createPitchChangingAudioProcessor(/* pitch= */ 2f)))
-            .build();
     EditedMediaItem silenceItem =
+        new EditedMediaItem.Builder(mediaItem).setRemoveAudio(true).build();
+    EditedMediaItem silenceWithEffectsItem =
         new EditedMediaItem.Builder(mediaItem)
             .setRemoveAudio(true)
             .setEffects(createAudioEffects(createPitchChangingAudioProcessor(/* pitch= */ 2f)))
@@ -365,7 +388,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_VIDEO + ".silence_then_silence-effects"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_VIDEO,
+            /* modifications...= */ "silence",
+            "silenceHighPitch"));
   }
 
   @Test
@@ -396,7 +422,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_VIDEO + ".silence_then_silence_with_effects"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_VIDEO,
+            /* modifications...= */ "silenceHighPitch",
+            "silenceHighPitch"));
   }
 
   @Test
@@ -413,7 +442,12 @@ public final class SequenceExportTest {
     TransformerTestRunner.runLooper(transformer);
 
     DumpFileAsserts.assertOutput(
-        context, muxerFactory.getCreatedMuxer(), getDumpFileName(FILE_AUDIO_RAW + ".concatenated"));
+        context,
+        muxerFactory.getCreatedMuxer(),
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW, /* modifications...= */
+            "original",
+            "original"));
   }
 
   @Test
@@ -436,7 +470,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW + ".concatenated_high_pitch"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW,
+            /* modifications...= */ "highPitch",
+            "highPitch"));
   }
 
   @Test
@@ -465,7 +502,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW + ".high_pitch_then_low_pitch"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW,
+            /* modifications...= */ "highPitch",
+            "lowPitch"));
   }
 
   @Test
@@ -488,7 +528,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_STEREO_48000KHZ + "_then_sample.wav"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_STEREO_48000KHZ,
+            /* modifications...= */ "original",
+            "sample.wav"));
   }
 
   @Test
@@ -516,7 +559,10 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_STEREO_48000KHZ + "-high_pitch_then_sample.wav-high_pitch"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_STEREO_48000KHZ,
+            /* modifications...= */ "highPitch",
+            "sample.wavHighPitch"));
   }
 
   @Test
@@ -545,6 +591,9 @@ public final class SequenceExportTest {
     DumpFileAsserts.assertOutput(
         context,
         muxerFactory.getCreatedMuxer(),
-        getDumpFileName(FILE_AUDIO_RAW_STEREO_48000KHZ + "-high_pitch_then_sample.wav-low_pitch"));
+        getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_RAW_STEREO_48000KHZ,
+            /* modifications...= */ "highPitch",
+            "sample.wavLowPitch"));
   }
 }

libraries/transformer/src/test/java/androidx/media3/transformer/TestUtil.java

@@ -78,8 +78,14 @@ public final class TestUtil {
     return sonicAudioProcessor;
   }
 
-  public static String getDumpFileName(String originalFileName) {
+  public static String getDumpFileName(String originalFileName, String... modifications) {
-    return DUMP_FILE_OUTPUT_DIRECTORY + '/' + originalFileName + '.' + DUMP_FILE_EXTENSION;
+    String fileName = DUMP_FILE_OUTPUT_DIRECTORY + '/' + originalFileName + '/';
+    if (modifications.length == 0) {
+      fileName += "original";
+    } else {
+      fileName += String.join("_", modifications);
+    }
+    return fileName + '.' + DUMP_FILE_EXTENSION;
   }
 
   /**

libraries/transformer/src/test/java/androidx/media3/transformer/TransformerWithInAppMuxerEndToEndTest.java

@@ -16,6 +16,8 @@
 package androidx.media3.transformer;
 
 import static androidx.media3.common.util.Assertions.checkNotNull;
+import static androidx.media3.transformer.TestUtil.ASSET_URI_PREFIX;
+import static androidx.media3.transformer.TestUtil.FILE_AUDIO_VIDEO;
 import static com.google.common.truth.Truth.assertThat;
 
 import android.content.Context;
@@ -43,8 +45,6 @@ import org.junit.runner.RunWith;
 /** End-to-end test for {@link Transformer} with {@link InAppMuxer}. */
 @RunWith(AndroidJUnit4.class)
 public class TransformerWithInAppMuxerEndToEndTest {
-  private static final String MP4_FILE_ASSET_DIRECTORY = "asset:///media/";
-  private static final String H264_MP4 = "mp4/sample.mp4";
   private static final String XMP_SAMPLE_DATA = "media/xmp/sample_datetime_xmp.xmp";
   private Context context;
   private String outputPath;
@@ -74,7 +74,7 @@ public class TransformerWithInAppMuxerEndToEndTest {
             .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .setMuxerFactory(inAppMuxerFactory)
             .build();
-    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(MP4_FILE_ASSET_DIRECTORY + H264_MP4));
+    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO));
 
     transformer.start(mediaItem, outputPath);
     TransformerTestRunner.runLooper(transformer);
@@ -86,7 +86,9 @@ public class TransformerWithInAppMuxerEndToEndTest {
     DumpFileAsserts.assertOutput(
         context,
         fakeExtractorOutput,
-        TestUtil.getDumpFileName(H264_MP4 + ".with_location_metadata"));
+        TestUtil.getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO,
+            /* modifications...= */ "with_location_metadata"));
   }
 
   @Test
@@ -101,7 +103,7 @@ public class TransformerWithInAppMuxerEndToEndTest {
             .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .setMuxerFactory(inAppMuxerFactory)
             .build();
-    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(MP4_FILE_ASSET_DIRECTORY + H264_MP4));
+    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO));
 
     transformer.start(mediaItem, outputPath);
     ExportResult exportResult = TransformerTestRunner.runLooper(transformer);
@@ -129,7 +131,7 @@ public class TransformerWithInAppMuxerEndToEndTest {
             .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .setMuxerFactory(inAppMuxerFactory)
             .build();
-    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(MP4_FILE_ASSET_DIRECTORY + H264_MP4));
+    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO));
 
     transformer.start(mediaItem, outputPath);
     TransformerTestRunner.runLooper(transformer);
@@ -139,7 +141,10 @@ public class TransformerWithInAppMuxerEndToEndTest {
             new Mp4Extractor(), checkNotNull(outputPath));
     // [mdta: key=com.android.capture.fps, value=60.0] in video track metadata dump.
     DumpFileAsserts.assertOutput(
-        context, fakeExtractorOutput, TestUtil.getDumpFileName(H264_MP4 + ".with_capture_fps"));
+        context,
+        fakeExtractorOutput,
+        TestUtil.getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO, /* modifications...= */ "with_capture_fps"));
   }
 
   @Test
@@ -155,7 +160,7 @@ public class TransformerWithInAppMuxerEndToEndTest {
             .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .setMuxerFactory(inAppMuxerFactory)
             .build();
-    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(MP4_FILE_ASSET_DIRECTORY + H264_MP4));
+    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO));
 
     transformer.start(mediaItem, outputPath);
     TransformerTestRunner.runLooper(transformer);
@@ -165,7 +170,11 @@ public class TransformerWithInAppMuxerEndToEndTest {
             new Mp4Extractor(), checkNotNull(outputPath));
     // [Creation time: 2_000_000_000_000] in track metadata dump.
     DumpFileAsserts.assertOutput(
-        context, fakeExtractorOutput, TestUtil.getDumpFileName(H264_MP4 + ".with_creation_time"));
+        context,
+        fakeExtractorOutput,
+        TestUtil.getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO, /* modifications...= */
+            "with_creation_time"));
   }
 
   @Test
@@ -196,7 +205,7 @@ public class TransformerWithInAppMuxerEndToEndTest {
             .setClock(new FakeClock(/* isAutoAdvancing= */ true))
             .setMuxerFactory(inAppMuxerFactory)
             .build();
-    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(MP4_FILE_ASSET_DIRECTORY + H264_MP4));
+    MediaItem mediaItem = MediaItem.fromUri(Uri.parse(ASSET_URI_PREFIX + FILE_AUDIO_VIDEO));
 
     transformer.start(mediaItem, outputPath);
     TransformerTestRunner.runLooper(transformer);
@@ -207,6 +216,10 @@ public class TransformerWithInAppMuxerEndToEndTest {
     // [mdta: key=StringKey, value=StringValue, mdta: key=FloatKey, value=600.0] in track metadata
     // dump
     DumpFileAsserts.assertOutput(
-        context, fakeExtractorOutput, TestUtil.getDumpFileName(H264_MP4 + ".with_custom_metadata"));
+        context,
+        fakeExtractorOutput,
+        TestUtil.getDumpFileName(
+            /* originalFileName= */ FILE_AUDIO_VIDEO, /* modifications...= */
+            "with_custom_metadata"));
   }
 }