Add DASH text representation parsing tests

PiperOrigin-RevId: 305140826

library/dash/src/test/java/com/google/android/exoplayer2/source/dash/manifest/DashManifestParserTest.java

@@ -26,6 +26,7 @@ import com.google.android.exoplayer2.Format;
 import com.google.android.exoplayer2.metadata.emsg.EventMessage;
 import com.google.android.exoplayer2.source.dash.manifest.SegmentBase.SegmentTimelineElement;
 import com.google.android.exoplayer2.testutil.TestUtil;
+import com.google.android.exoplayer2.util.MimeTypes;
 import com.google.android.exoplayer2.util.Util;
 import java.io.IOException;
 import java.io.StringReader;
@@ -47,6 +48,7 @@ public class DashManifestParserTest {
   private static final String SAMPLE_MPD_EVENT_STREAM = "mpd/sample_mpd_event_stream";
   private static final String SAMPLE_MPD_LABELS = "mpd/sample_mpd_labels";
   private static final String SAMPLE_MPD_ASSET_IDENTIFIER = "mpd/sample_mpd_asset_identifier";
+  private static final String SAMPLE_MPD_TEXT = "mpd/sample_mpd_text";
 
   private static final String NEXT_TAG_NAME = "Next";
   private static final String NEXT_TAG = "<" + NEXT_TAG_NAME + "/>";
@@ -67,15 +69,15 @@ public class DashManifestParserTest {
   @Test
   public void parseMediaPresentationDescription_segmentTemplate() throws IOException {
     DashManifestParser parser = new DashManifestParser();
-    DashManifest mpd =
+    DashManifest manifest =
         parser.parse(
             Uri.parse("https://example.com/test.mpd"),
             TestUtil.getInputStream(
                 ApplicationProvider.getApplicationContext(), SAMPLE_MPD_SEGMENT_TEMPLATE));
 
-    assertThat(mpd.getPeriodCount()).isEqualTo(1);
+    assertThat(manifest.getPeriodCount()).isEqualTo(1);
 
-    Period period = mpd.getPeriod(0);
+    Period period = manifest.getPeriod(0);
     assertThat(period).isNotNull();
     assertThat(period.adaptationSets).hasSize(2);
 
@@ -99,13 +101,13 @@ public class DashManifestParserTest {
   @Test
   public void parseMediaPresentationDescription_eventStream() throws IOException {
     DashManifestParser parser = new DashManifestParser();
-    DashManifest mpd =
+    DashManifest manifest =
         parser.parse(
             Uri.parse("https://example.com/test.mpd"),
             TestUtil.getInputStream(
                 ApplicationProvider.getApplicationContext(), SAMPLE_MPD_EVENT_STREAM));
 
-    Period period = mpd.getPeriod(0);
+    Period period = manifest.getPeriod(0);
     assertThat(period.eventStreams).hasSize(3);
 
     // assert text-only event stream
@@ -169,14 +171,14 @@ public class DashManifestParserTest {
   @Test
   public void parseMediaPresentationDescription_programInformation() throws IOException {
     DashManifestParser parser = new DashManifestParser();
-    DashManifest mpd =
+    DashManifest manifest =
         parser.parse(
             Uri.parse("Https://example.com/test.mpd"),
             TestUtil.getInputStream(ApplicationProvider.getApplicationContext(), SAMPLE_MPD));
     ProgramInformation expectedProgramInformation =
         new ProgramInformation(
             "MediaTitle", "MediaSource", "MediaCopyright", "www.example.com", "enUs");
-    assertThat(mpd.programInformation).isEqualTo(expectedProgramInformation);
+    assertThat(manifest.programInformation).isEqualTo(expectedProgramInformation);
   }
 
   @Test
@@ -194,6 +196,35 @@ public class DashManifestParserTest {
     assertThat(adaptationSets.get(1).representations.get(0).format.label).isEqualTo("video label");
   }
 
+  @Test
+  public void parseMediaPresentationDescription_text() throws IOException {
+    DashManifestParser parser = new DashManifestParser();
+    DashManifest manifest =
+        parser.parse(
+            Uri.parse("Https://example.com/test.mpd"),
+            TestUtil.getInputStream(ApplicationProvider.getApplicationContext(), SAMPLE_MPD_TEXT));
+
+    List<AdaptationSet> adaptationSets = manifest.getPeriod(0).adaptationSets;
+
+    Format format = adaptationSets.get(0).representations.get(0).format;
+    assertThat(format.containerMimeType).isEqualTo(MimeTypes.APPLICATION_RAWCC);
+    assertThat(format.sampleMimeType).isEqualTo(MimeTypes.APPLICATION_CEA608);
+    assertThat(format.codecs).isEqualTo("cea608");
+    assertThat(adaptationSets.get(0).type).isEqualTo(C.TRACK_TYPE_TEXT);
+
+    format = adaptationSets.get(1).representations.get(0).format;
+    assertThat(format.containerMimeType).isEqualTo(MimeTypes.APPLICATION_MP4);
+    assertThat(format.sampleMimeType).isEqualTo(MimeTypes.APPLICATION_TTML);
+    assertThat(format.codecs).isEqualTo("stpp.ttml.im1t");
+    assertThat(adaptationSets.get(1).type).isEqualTo(C.TRACK_TYPE_TEXT);
+
+    format = adaptationSets.get(2).representations.get(0).format;
+    assertThat(format.containerMimeType).isEqualTo(MimeTypes.APPLICATION_TTML);
+    assertThat(format.sampleMimeType).isEqualTo(MimeTypes.APPLICATION_TTML);
+    assertThat(format.codecs).isNull();
+    assertThat(adaptationSets.get(2).type).isEqualTo(C.TRACK_TYPE_TEXT);
+  }
+
   @Test
   public void parseSegmentTimeline_repeatCount() throws Exception {
     DashManifestParser parser = new DashManifestParser();
@@ -382,15 +413,15 @@ public class DashManifestParserTest {
   @Test
   public void parsePeriodAssetIdentifier() throws IOException {
     DashManifestParser parser = new DashManifestParser();
-    DashManifest mpd =
+    DashManifest manifest =
         parser.parse(
             Uri.parse("https://example.com/test.mpd"),
             TestUtil.getInputStream(
                 ApplicationProvider.getApplicationContext(), SAMPLE_MPD_ASSET_IDENTIFIER));
 
-    assertThat(mpd.getPeriodCount()).isEqualTo(1);
+    assertThat(manifest.getPeriodCount()).isEqualTo(1);
 
-    Period period = mpd.getPeriod(0);
+    Period period = manifest.getPeriod(0);
     assertThat(period).isNotNull();
     @Nullable Descriptor assetIdentifier = period.assetIdentifier;
     assertThat(assetIdentifier).isNotNull();

testdata/src/test/assets/mpd/sample_mpd_text

@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<MPD type="static" duration="1s" mediaPresentationDuration="PT1S">
+ <Period>
+  <SegmentTemplate startNumber="0" timescale="1000" media="sq/$Number$">
+   <SegmentTimeline>
+    <S d="1000"/>
+   </SegmentTimeline>
+  </SegmentTemplate>
+  <AdaptationSet id="0" mimeType="application/x-rawcc" subsegmentAlignment="true">
+   <Representation id="0" codecs="cea608" bandwidth="16">
+    <BaseURL>https://test.com/0</BaseURL>
+   </Representation>
+  </AdaptationSet>
+  <AdaptationSet id="0" mimeType="application/mp4" subsegmentAlignment="true">
+   <Representation id="0" codecs="stpp.ttml.im1t" bandwidth="16">
+    <BaseURL>https://test.com/0</BaseURL>
+   </Representation>
+  </AdaptationSet>
+  <AdaptationSet id="0" mimeType="application/ttml+xml" subsegmentAlignment="true">
+   <Representation id="0" bandwidth="16">
+    <BaseURL>https://test.com/0</BaseURL>
+   </Representation>
+  </AdaptationSet>
+ </Period>
+</MPD>