fix: duplicate representation id for TTML when forced ordering is on (s…

…haka-project#1364) Fixes shaka-project#1362
joeyparrish · Mar 7, 2024 · 0fd815a · 0fd815a
1 parent 6bff14f
commit 0fd815a
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Showing 6 changed files with 53 additions and 0 deletions.
diff --git a/packager/app/test/packager_test.py b/packager/app/test/packager_test.py
@@ -1732,6 +1732,18 @@ def testForcedCommandlineOrdering(self):
                                              force_cl_index=True))
     self._CheckTestResults('forced-commandline-ordering')
 
+  def testForcedCommandlineOrderingWithTTML(self):
+    streams = [
+      self._GetStream('video', test_file='bear-640x360.mp4'),
+      self._GetStream('audio', test_file='bear-640x360.mp4'),
+      self._GetStream('text',  test_file='bear-english.ttml'),
+    ]
+
+    self.assertPackageSuccess(streams,
+                              self._GetFlags(output_dash=True, output_hls=False,
+                                             force_cl_index=True))
+    self._CheckTestResults('forced-commandline-ordering-ttml')
+
   def testAllowCodecSwitchingWithCommandlineOrdering(self):
     streams = [
         self._GetStream('audio', test_file='bear-640x360.mp4'),

diff --git a/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-640x360-audio.mp4 b/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-640x360-audio.mp4
diff --git a/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-640x360-video.mp4 b/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-640x360-video.mp4
diff --git a/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-english-text.ttml b/packager/app/test/testdata/forced-commandline-ordering-ttml/bear-english-text.ttml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<tt xmlns="http://www.w3.org/ns/ttml" xml:lang="en">
+  <body>
+    <div>
+      <p begin="0.1s" end="0.8s">Yup, that's a bear, eh.</p>
+      <p begin="1.0s" end="4.7s">He 's... um... doing bear-like stuff.</p>
+    </div>
+  </body>
+</tt>
diff --git a/packager/app/test/testdata/forced-commandline-ordering-ttml/output.mpd b/packager/app/test/testdata/forced-commandline-ordering-ttml/output.mpd
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--Generated with https://github.com/shaka-project/shaka-packager version <tag>-<hash>-<test>-->
+<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 DASH-MPD.xsd" profiles="urn:mpeg:dash:profile:isoff-on-demand:2011" minBufferTime="PT2S" type="static" mediaPresentationDuration="PT2.736067S">
+  <Period id="0">
+    <AdaptationSet id="0" contentType="video" width="640" height="360" frameRate="30000/1001" subsegmentAlignment="true" par="16:9">
+      <Representation id="0" bandwidth="973483" codecs="avc1.64001e" mimeType="video/mp4" sar="1:1">
+        <BaseURL>bear-640x360-video.mp4</BaseURL>
+        <SegmentBase indexRange="870-937" timescale="30000">
+          <Initialization range="0-869"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="1" contentType="audio" subsegmentStartsWithSAP="1" subsegmentAlignment="true">
+      <Representation id="1" bandwidth="133334" codecs="mp4a.40.2" mimeType="audio/mp4" audioSamplingRate="44100">
+        <AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
+        <BaseURL>bear-640x360-audio.mp4</BaseURL>
+        <SegmentBase indexRange="804-871" timescale="44100">
+          <Initialization range="0-803"/>
+        </SegmentBase>
+      </Representation>
+    </AdaptationSet>
+    <AdaptationSet id="2" contentType="text" subsegmentAlignment="true">
+      <Representation id="2" bandwidth="256" mimeType="application/ttml+xml">
+        <BaseURL>bear-english-text.ttml</BaseURL>
+      </Representation>
+    </AdaptationSet>
+  </Period>
+</MPD>
diff --git a/packager/packager.cc b/packager/packager.cc
@@ -418,6 +418,10 @@ bool StreamInfoToTextMediaInfo(const StreamDescriptor& stream_descriptor,
     text_info->set_language(language);
   }
 
+  if (stream_descriptor.index.has_value()) {
+    text_media_info->set_index(stream_descriptor.index.value());
+  }
+
   text_media_info->set_media_file_name(stream_descriptor.output);
   text_media_info->set_container_type(MediaInfo::CONTAINER_TEXT);