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dashdemux: inherit bitstreamSwitching from Period to AdaptationSet

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=752340
This commit is contained in:
Florin Apostol 2015-10-30 15:55:19 +00:00 committed by Vincent Penquerc'h
parent fe6adec702
commit d6e805a283
2 changed files with 121 additions and 1 deletions
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11
ext/dash/gstmpdparser.c
View file

@ -1808,7 +1808,16 @@ gst_mpdparser_parse_adaptation_set_node (GList ** list, xmlNode * a_node,
gst_mpdparser_get_xml_prop_cond_uint (a_node, "segmentAlignment",
&new_adap_set->segmentAlignment);
gst_mpdparser_get_xml_prop_boolean (a_node, "bitstreamSwitching",
FALSE, &new_adap_set->bitstreamSwitching);
parent->bitstreamSwitching, &new_adap_set->bitstreamSwitching);
if (parent->bitstreamSwitching && !new_adap_set->bitstreamSwitching) {
/* according to the standard, if the Period's bitstreamSwitching attribute
* is true, the AdaptationSet should not have the bitstreamSwitching
* attribute set to false.
* We should return a parsing error, but we are generous and ignore the
* standard violation.
*/
new_adap_set->bitstreamSwitching = parent->bitstreamSwitching;
}
gst_mpdparser_get_xml_prop_cond_uint (a_node, "subsegmentAlignment",
&new_adap_set->subsegmentAlignment);
gst_mpdparser_get_xml_prop_SAP_type (a_node, "subsegmentStartsWithSAP",

111
tests/check/elements/dash_mpd.c
View file

@ -2585,6 +2585,114 @@ GST_START_TEST (dash_mpdparser_GstDateTime)
GST_END_TEST;
/*
* Test bitstreamSwitching inheritance from Period to AdaptationSet
*
* Description of bistreamSwitching attribute in Period:
* "When set to ‘true’, this is equivalent as if the
* AdaptationSet@bitstreamSwitching for each Adaptation Set contained in this
* Period is set to 'true'. In this case, the AdaptationSet@bitstreamSwitching
* attribute shall not be set to 'false' for any Adaptation Set in this Period"
*
*/
GST_START_TEST (dash_mpdparser_bitstreamSwitching_inheritance)
{
GList *adaptationSets;
GstAdaptationSetNode *adapt_set;
guint activeStreams;
GstActiveStream *activeStream;
GstCaps *caps;
GstStructure *s;
gboolean bitstreamSwitchingFlag;
const gchar *xml =
"<?xml version=\"1.0\"?>"
"<MPD xmlns=\"urn:mpeg:dash:schema:mpd:2011\""
" profiles=\"urn:mpeg:dash:profile:isoff-main:2011\">"
" <Period id=\"Period0\""
" duration=\"P0Y0M1DT1H1M1S\""
" bitstreamSwitching=\"true\">"
" <AdaptationSet id=\"1\""
" mimeType=\"video/mp4\">"
" <Representation>"
" </Representation>"
" </AdaptationSet>"
" <AdaptationSet id=\"2\""
" mimeType=\"audio\""
" bitstreamSwitching=\"false\">"
" <Representation>"
" </Representation></AdaptationSet></Period></MPD>";
gboolean ret;
GstMpdClient *mpdclient = gst_mpd_client_new ();
ret = gst_mpd_parse (mpdclient, xml, (gint) strlen (xml));
assert_equals_int (ret, TRUE);
/* process the xml data */
ret = gst_mpd_client_setup_media_presentation (mpdclient, GST_CLOCK_TIME_NONE,
-1, NULL);
assert_equals_int (ret, TRUE);
/* get the list of adaptation sets of the first period */
adaptationSets = gst_mpd_client_get_adaptation_sets (mpdclient);
fail_if (adaptationSets == NULL);
/* setup streaming from the first adaptation set */
adapt_set = (GstAdaptationSetNode *) g_list_nth_data (adaptationSets, 0);
fail_if (adapt_set == NULL);
ret = gst_mpd_client_setup_streaming (mpdclient, adapt_set);
assert_equals_int (ret, TRUE);
/* setup streaming from the second adaptation set */
adapt_set = (GstAdaptationSetNode *) g_list_nth_data (adaptationSets, 1);
fail_if (adapt_set == NULL);
ret = gst_mpd_client_setup_streaming (mpdclient, adapt_set);
assert_equals_int (ret, TRUE);
/* 2 active streams */
activeStreams = gst_mpdparser_get_nb_active_stream (mpdclient);
assert_equals_int (activeStreams, 2);
/* get details of the first active stream */
activeStream = gst_mpdparser_get_active_stream_by_index (mpdclient, 0);
fail_if (activeStream == NULL);
assert_equals_int (activeStream->mimeType, GST_STREAM_VIDEO);
caps = gst_mpd_client_get_stream_caps (activeStream);
fail_unless (caps != NULL);
s = gst_caps_get_structure (caps, 0);
assert_equals_string (gst_structure_get_name (s), "video/quicktime");
gst_caps_unref (caps);
/* inherited from Period's bitstreamSwitching */
bitstreamSwitchingFlag =
gst_mpd_client_get_bitstream_switching_flag (activeStream);
assert_equals_int (bitstreamSwitchingFlag, TRUE);
/* get details of the second active stream */
activeStream = gst_mpdparser_get_active_stream_by_index (mpdclient, 1);
fail_if (activeStream == NULL);
assert_equals_int (activeStream->mimeType, GST_STREAM_AUDIO);
caps = gst_mpd_client_get_stream_caps (activeStream);
fail_unless (caps != NULL);
s = gst_caps_get_structure (caps, 0);
assert_equals_string (gst_structure_get_name (s), "audio");
gst_caps_unref (caps);
/* set to FALSE in our example, but overwritten to TRUE by Period's
* bitstreamSwitching
*/
bitstreamSwitchingFlag =
gst_mpd_client_get_bitstream_switching_flag (activeStream);
assert_equals_int (bitstreamSwitchingFlag, TRUE);
gst_mpd_client_free (mpdclient);
}
GST_END_TEST;
/*
* Test various duration formats
*/
@ -5074,6 +5182,8 @@ GST_START_TEST (dash_mpdparser_default_presentation_delay)
gst_mpd_client_parse_default_presentation_delay (mpdclient,
"not a number");
assert_equals_int64 (value, 0);
gst_mpd_client_free (mpdclient);
}
GST_END_TEST;
@ -5198,6 +5308,7 @@ dash_suite (void)
tcase_add_test (tc_simpleMPD, dash_mpdparser_template_parsing);
tcase_add_test (tc_simpleMPD, dash_mpdparser_isoff_ondemand_profile);
tcase_add_test (tc_simpleMPD, dash_mpdparser_GstDateTime);
tcase_add_test (tc_simpleMPD, dash_mpdparser_bitstreamSwitching_inheritance);
tcase_add_test (tc_simpleMPD, dash_mpdparser_various_duration_formats);
tcase_add_test (tc_simpleMPD, dash_mpdparser_default_presentation_delay);