tests: dashdemux: add tests for post-seek segment boundaries check

Checks if the post seek segment is what is expected.

Also makes it easy to add more tests with different seeking flags using the
same functions.

diff --git a/tests/check/elements/dash_demux.c b/tests/check/elements/dash_demux.c
index b628b0d..8ee40b6 100644 (file)
--- a/tests/check/elements/dash_demux.c
+++ b/tests/check/elements/dash_demux.c
@@ -503,6 +503,111 @@ GST_START_TEST (testSeek)
 
 GST_END_TEST;
 
+
+static void
+run_seek_position_test (gdouble rate, guint64 seek_start, GstSeekType stop_type,
+    guint64 seek_stop, GstSeekFlags flags, guint64 segment_start,
+    guint64 segment_stop, gint segments)
+{
+  const gchar *mpd =
+      "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+      "<MPD xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
+      "     xmlns=\"urn:mpeg:DASH:schema:MPD:2011\""
+      "     xsi:schemaLocation=\"urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd\""
+      "     xmlns:yt=\"http://youtube.com/yt/2012/10/10\""
+      "     profiles=\"urn:mpeg:dash:profile:isoff-on-demand:2011\""
+      "     type=\"static\""
+      "     minBufferTime=\"PT1.500S\""
+      "     mediaPresentationDuration=\"PT135.743S\">"
+      "  <Period>"
+      "    <AdaptationSet "
+      "        mimeType=\"audio/mp4\" minBandwidth=\"128000\" "
+      "        maxBandwidth=\"128000\" segmentAlignment=\"true\">"
+      "      <SegmentTemplate timescale=\"48000\" "
+      "          initialization=\"init-$RepresentationID$.mp4\" "
+      "          media=\"$RepresentationID$-$Number$.mp4\" "
+      "          startNumber=\"1\">"
+      "        <SegmentTimeline>"
+      "          <S t=\"0\" d=\"48000\" /> "
+      "          <S d=\"48000\" /> "
+      "          <S d=\"48000\" /> "
+      "          <S d=\"48000\" /> "
+      "        </SegmentTimeline>"
+      "      </SegmentTemplate>"
+      "      <Representation id=\"audio\" bandwidth=\"128000\" "
+      "          codecs=\"mp4a.40.2\" audioSamplingRate=\"48000\"> "
+      "        <AudioChannelConfiguration "
+      "            schemeIdUri=\"urn:mpeg:dash:23003:3:audio_channel_configuration:2011\""
+      "            value=\"2\"> "
+      "        </AudioChannelConfiguration> "
+      "    </Representation></AdaptationSet></Period></MPD>";
+  GstDashDemuxTestInputData inputTestData[] = {
+    {"http://unit.test/test.mpd", (guint8 *) mpd, 0},
+    {"http://unit.test/init-audio.mp4", NULL, 10000},
+    {"http://unit.test/audio-1.mp4", NULL, 10000},
+    {"http://unit.test/audio-2.mp4", NULL, 10000},
+    {"http://unit.test/audio-3.mp4", NULL, 10000},
+    {"http://unit.test/audio-4.mp4", NULL, 10000},
+    {NULL, NULL, 0},
+  };
+  GstTestHTTPSrcCallbacks http_src_callbacks = { 0 };
+  GstAdaptiveDemuxTestExpectedOutput outputTestData[] = {
+    /* 1 from the init segment */
+    {"audio_00", (1 + segments) * 10000, NULL},
+  };
+  GstAdaptiveDemuxTestCase *testData;
+
+  testData = gst_adaptive_demux_test_case_new ();
+
+  http_src_callbacks.src_start = gst_dashdemux_http_src_start;
+  http_src_callbacks.src_create = gst_dashdemux_http_src_create;
+  COPY_OUTPUT_TEST_DATA (outputTestData, testData);
+
+  /* media segment starts at 4687
+   * Issue a seek request after media segment has started to be downloaded
+   * on the first pad listed in GstAdaptiveDemuxTestOutputStreamData and the
+   * first chunk of at least one byte has already arrived in AppSink
+   */
+  testData->threshold_for_seek = 4687 + 1;
+
+  /* FIXME hack to avoid having a 0 seqnum */
+  gst_util_seqnum_next ();
+
+  /* seek to 5ms.
+   * Because there is only one fragment, we expect the whole file to be
+   * downloaded again
+   */
+  testData->seek_event =
+      gst_event_new_seek (rate, GST_FORMAT_TIME, flags, GST_SEEK_TYPE_SET,
+      seek_start, stop_type, seek_stop);
+
+  gst_test_http_src_install_callbacks (&http_src_callbacks, inputTestData);
+  gst_adaptive_demux_test_seek (DEMUX_ELEMENT_NAME,
+      "http://unit.test/test.mpd", testData);
+  gst_object_unref (testData);
+}
+
+GST_START_TEST (testSeekKeyUnitPosition)
+{
+  /* Seek to 1.5s with key unit, it should go back to 1.0s. 3 segments will be
+   * pushed */
+  run_seek_position_test (1.0, 1500 * GST_MSECOND, GST_SEEK_TYPE_NONE, 0,
+      GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT, 1000 * GST_MSECOND, -1, 3);
+}
+
+GST_END_TEST;
+
+GST_START_TEST (testSeekPosition)
+{
+  /* Seek to 1.5s without key unit, it should keep the 1.5s, but still push
+   * from the 1st segment, so 3 segments will be
+   * pushed */
+  run_seek_position_test (1.0, 1500 * GST_MSECOND, GST_SEEK_TYPE_NONE, 0,
+      GST_SEEK_FLAG_FLUSH, 1500 * GST_MSECOND, -1, 3);
+}
+
+GST_END_TEST;
+
 static void
 testDownloadErrorMessageCallback (GstAdaptiveDemuxTestEngine * engine,
     GstMessage * msg, gpointer user_data)
@@ -826,6 +931,8 @@ dash_demux_suite (void)
   tcase_add_test (tc_basicTest, testTwoPeriods);
   tcase_add_test (tc_basicTest, testParameters);
   tcase_add_test (tc_basicTest, testSeek);
+  tcase_add_test (tc_basicTest, testSeekKeyUnitPosition);
+  tcase_add_test (tc_basicTest, testSeekPosition);
   tcase_add_test (tc_basicTest, testDownloadError);
   tcase_add_test (tc_basicTest, testFragmentDownloadError);
   tcase_add_test (tc_basicTest, testQuery);