Add FMP4 extractor test with sideloaded track

#exofixit

PiperOrigin-RevId: 344052500

library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4ExtractorNoSniffingTest.java

+/*
+ * Copyright 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.google.android.exoplayer2.extractor.mp4;
+
+import com.google.android.exoplayer2.C;
+import com.google.android.exoplayer2.Format;
+import com.google.android.exoplayer2.testutil.ExtractorAsserts;
+import com.google.android.exoplayer2.util.MimeTypes;
+import java.util.List;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.ParameterizedRobolectricTestRunner;
+import org.robolectric.ParameterizedRobolectricTestRunner.Parameter;
+import org.robolectric.ParameterizedRobolectricTestRunner.Parameters;
+
+/**
+ * Tests for {@link FragmentedMp4Extractor} that test behaviours where sniffing must not be tested.
+ */
+@RunWith(ParameterizedRobolectricTestRunner.class)
+public class FragmentedMp4ExtractorNoSniffingTest {
+
+  @Parameters(name = "{0}")
+  public static List<Object[]> params() {
+    return ExtractorAsserts.configsNoSniffing();
+  }
+
+  @Parameter public ExtractorAsserts.SimulationConfig simulationConfig;
+
+  @Test
+  public void sampleWithSideLoadedTrack() throws Exception {
+    // Sideloaded tracks are generally used in Smooth Streaming, where the MP4 files do not contain
+    // any ftyp box and are not sniffed.
+    Track sideloadedTrack =
+        new Track(
+            /* id= */ 1,
+            /* type= */ C.TRACK_TYPE_VIDEO,
+            /* timescale= */ 30_000,
+            /* movieTimescale= */ 1000,
+            /* durationUs= */ C.TIME_UNSET,
+            new Format.Builder().setSampleMimeType(MimeTypes.VIDEO_H264).build(),
+            /* sampleTransformation= */ Track.TRANSFORMATION_NONE,
+            /* sampleDescriptionEncryptionBoxes= */ null,
+            /* nalUnitLengthFieldLength= */ 4,
+            /* editListDurations= */ null,
+            /* editListMediaTimes= */ null);
+    ExtractorAsserts.assertBehavior(
+        () ->
+            new FragmentedMp4Extractor(
+                /* flags= */ 0, /* timestampAdjuster= */ null, sideloadedTrack),
+        "media/mp4/sample_fragmented_sideloaded_track.mp4",
+        simulationConfig);
+  }
+}

library/extractor/src/test/java/com/google/android/exoplayer2/extractor/mp4/FragmentedMp4ExtractorTest.java

@@ -28,7 +28,7 @@ import org.robolectric.ParameterizedRobolectricTestRunner;
 import org.robolectric.ParameterizedRobolectricTestRunner.Parameter;
 import org.robolectric.ParameterizedRobolectricTestRunner.Parameter;
 import org.robolectric.ParameterizedRobolectricTestRunner.Parameters;
 import org.robolectric.ParameterizedRobolectricTestRunner.Parameters;
 
 
-/** Unit test for {@link FragmentedMp4Extractor}. */
+/** Tests for {@link FragmentedMp4Extractor} that test behaviours where sniffing must be tested. */
 @RunWith(ParameterizedRobolectricTestRunner.class)
 @RunWith(ParameterizedRobolectricTestRunner.class)
 public final class FragmentedMp4ExtractorTest {
 public final class FragmentedMp4ExtractorTest {
 
 

testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sideloaded_track.mp4.0.dump

+seekMap:
+  isSeekable = false
+  duration = UNSET TIME
+  getPosition(0) = [[timeUs=0, position=0]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 85933
+  sample count = 30
+  format 0:
+    sampleMimeType = video/avc
+  sample 0:
+    time = 66733
+    flags = 1
+    data = length 38070, hash B58E1AEE
+  sample 1:
+    time = 200199
+    flags = 0
+    data = length 8340, hash 8AC449FF
+  sample 2:
+    time = 133466
+    flags = 0
+    data = length 1295, hash C0DA5090
+  sample 3:
+    time = 100100
+    flags = 0
+    data = length 469, hash D6E0A200
+  sample 4:
+    time = 166832
+    flags = 0
+    data = length 564, hash E5F56C5B
+  sample 5:
+    time = 333666
+    flags = 0
+    data = length 6075, hash 8756E49E
+  sample 6:
+    time = 266933
+    flags = 0
+    data = length 847, hash DCC2B618
+  sample 7:
+    time = 233566
+    flags = 0
+    data = length 455, hash B9CCE047
+  sample 8:
+    time = 300299
+    flags = 0
+    data = length 467, hash 69806D94
+  sample 9:
+    time = 467133
+    flags = 0
+    data = length 4549, hash 3944F501
+  sample 10:
+    time = 400399
+    flags = 0
+    data = length 1087, hash 491BF106
+  sample 11:
+    time = 367033
+    flags = 0
+    data = length 380, hash 5FED016A
+  sample 12:
+    time = 433766
+    flags = 0
+    data = length 455, hash 8A0610
+  sample 13:
+    time = 600599
+    flags = 0
+    data = length 5190, hash B9031D8
+  sample 14:
+    time = 533866
+    flags = 0
+    data = length 1071, hash 684E7DC8
+  sample 15:
+    time = 500500
+    flags = 0
+    data = length 653, hash 8494F326
+  sample 16:
+    time = 567232
+    flags = 0
+    data = length 485, hash 2CCC85F4
+  sample 17:
+    time = 734066
+    flags = 0
+    data = length 4884, hash D16B6A96
+  sample 18:
+    time = 667333
+    flags = 0
+    data = length 997, hash 164FF210
+  sample 19:
+    time = 633966
+    flags = 0
+    data = length 640, hash F664125B
+  sample 20:
+    time = 700699
+    flags = 0
+    data = length 491, hash B5930C7C
+  sample 21:
+    time = 867533
+    flags = 0
+    data = length 2989, hash 92CF4FCF
+  sample 22:
+    time = 800799
+    flags = 0
+    data = length 838, hash 294A3451
+  sample 23:
+    time = 767433
+    flags = 0
+    data = length 544, hash FCCE2DE6
+  sample 24:
+    time = 834166
+    flags = 0
+    data = length 329, hash A654FFA1
+  sample 25:
+    time = 1000999
+    flags = 0
+    data = length 1517, hash 5F7EBF8B
+  sample 26:
+    time = 934266
+    flags = 0
+    data = length 803, hash 7A5C4C1D
+  sample 27:
+    time = 900900
+    flags = 0
+    data = length 415, hash B31BBC3B
+  sample 28:
+    time = 967632
+    flags = 0
+    data = length 415, hash 850DFEA3
+  sample 29:
+    time = 1034366
+    flags = 0
+    data = length 619, hash AB5E56CA
+tracksEnded = true

testdata/src/test/assets/extractordumps/mp4/sample_fragmented_sideloaded_track.mp4.unknown_length.dump

+seekMap:
+  isSeekable = false
+  duration = UNSET TIME
+  getPosition(0) = [[timeUs=0, position=0]]
+numberOfTracks = 1
+track 0:
+  total output bytes = 85933
+  sample count = 30
+  format 0:
+    sampleMimeType = video/avc
+  sample 0:
+    time = 66733
+    flags = 1
+    data = length 38070, hash B58E1AEE
+  sample 1:
+    time = 200199
+    flags = 0
+    data = length 8340, hash 8AC449FF
+  sample 2:
+    time = 133466
+    flags = 0
+    data = length 1295, hash C0DA5090
+  sample 3:
+    time = 100100
+    flags = 0
+    data = length 469, hash D6E0A200
+  sample 4:
+    time = 166832
+    flags = 0
+    data = length 564, hash E5F56C5B
+  sample 5:
+    time = 333666
+    flags = 0
+    data = length 6075, hash 8756E49E
+  sample 6:
+    time = 266933
+    flags = 0
+    data = length 847, hash DCC2B618
+  sample 7:
+    time = 233566
+    flags = 0
+    data = length 455, hash B9CCE047
+  sample 8:
+    time = 300299
+    flags = 0
+    data = length 467, hash 69806D94
+  sample 9:
+    time = 467133
+    flags = 0
+    data = length 4549, hash 3944F501
+  sample 10:
+    time = 400399
+    flags = 0
+    data = length 1087, hash 491BF106
+  sample 11:
+    time = 367033
+    flags = 0
+    data = length 380, hash 5FED016A
+  sample 12:
+    time = 433766
+    flags = 0
+    data = length 455, hash 8A0610
+  sample 13:
+    time = 600599
+    flags = 0
+    data = length 5190, hash B9031D8
+  sample 14:
+    time = 533866
+    flags = 0
+    data = length 1071, hash 684E7DC8
+  sample 15:
+    time = 500500
+    flags = 0
+    data = length 653, hash 8494F326
+  sample 16:
+    time = 567232
+    flags = 0
+    data = length 485, hash 2CCC85F4
+  sample 17:
+    time = 734066
+    flags = 0
+    data = length 4884, hash D16B6A96
+  sample 18:
+    time = 667333
+    flags = 0
+    data = length 997, hash 164FF210
+  sample 19:
+    time = 633966
+    flags = 0
+    data = length 640, hash F664125B
+  sample 20:
+    time = 700699
+    flags = 0
+    data = length 491, hash B5930C7C
+  sample 21:
+    time = 867533
+    flags = 0
+    data = length 2989, hash 92CF4FCF
+  sample 22:
+    time = 800799
+    flags = 0
+    data = length 838, hash 294A3451
+  sample 23:
+    time = 767433
+    flags = 0
+    data = length 544, hash FCCE2DE6
+  sample 24:
+    time = 834166
+    flags = 0
+    data = length 329, hash A654FFA1
+  sample 25:
+    time = 1000999
+    flags = 0
+    data = length 1517, hash 5F7EBF8B
+  sample 26:
+    time = 934266
+    flags = 0
+    data = length 803, hash 7A5C4C1D
+  sample 27:
+    time = 900900
+    flags = 0
+    data = length 415, hash B31BBC3B
+  sample 28:
+    time = 967632
+    flags = 0
+    data = length 415, hash 850DFEA3
+  sample 29:
+    time = 1034366
+    flags = 0
+    data = length 619, hash AB5E56CA
+tracksEnded = true

testutils/src/main/java/com/google/android/exoplayer2/testutil/ExtractorAsserts.java

@@ -61,6 +61,25 @@ public final class ExtractorAsserts {
         new Object[] {new SimulationConfig(false, false, false, false)});
         new Object[] {new SimulationConfig(false, false, false, false)});
   }
   }
 
 
+  /**
+   * Returns a list of arrays containing {@link SimulationConfig} objects to exercise different
+   * extractor paths in which the input is not sniffed.
+   *
+   * <p>This is intended to be used from tests using {@code ParameterizedRobolectricTestRunner} or
+   * {@code org.junit.runners.Parameterized}.
+   */
+  public static List<Object[]> configsNoSniffing() {
+    return Arrays.asList(
+        new Object[] {new SimulationConfig(false, false, false, false)},
+        new Object[] {new SimulationConfig(false, false, false, true)},
+        new Object[] {new SimulationConfig(false, false, true, false)},
+        new Object[] {new SimulationConfig(false, false, true, true)},
+        new Object[] {new SimulationConfig(false, true, false, false)},
+        new Object[] {new SimulationConfig(false, true, false, true)},
+        new Object[] {new SimulationConfig(false, true, true, false)},
+        new Object[] {new SimulationConfig(false, true, true, true)});
+  }
+
   /** A config of different environments to simulate and extractor behaviours to test. */
   /** A config of different environments to simulate and extractor behaviours to test. */
   public static class SimulationConfig {
   public static class SimulationConfig {