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mpdparser: MS PlayReady ContentProtection parsing

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The "pro" (PlayReady Object) element contents are now base64-decoded
and properly stored in Protection events.

https://bugzilla.gnome.org/show_bug.cgi?id=773936
This commit is contained in:
Philippe Normand 2016-11-04 09:56:33 +01:00 committed by Sebastian Dröge
parent 4899bf0926
commit dd0c56b4a2
3 changed files with 51 additions and 3 deletions
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39
ext/dash/gstmpdparser.c
View file

@ -1733,6 +1733,43 @@ error:
return FALSE;
}
static void
gst_mpdparser_parse_content_protection_node (GList ** list, xmlNode * a_node)
{
gchar *value = NULL;
if (gst_mpdparser_get_xml_prop_string (a_node, "value", &value)) {
if (!g_strcmp0 (value, "MSPR 2.0")) {
xmlNode *cur_node;
for (cur_node = a_node->children; cur_node; cur_node = cur_node->next) {
if (cur_node->type == XML_ELEMENT_NODE) {
if (xmlStrcmp (cur_node->name, (xmlChar *) "pro") == 0) {
gsize decoded_len;
GstDescriptorType *new_descriptor;
new_descriptor = g_slice_new0 (GstDescriptorType);
*list = g_list_append (*list, new_descriptor);
gst_mpdparser_get_xml_prop_string_stripped (a_node, "schemeIdUri",
&new_descriptor->schemeIdUri);
gst_mpdparser_get_xml_node_content (cur_node,
&new_descriptor->value);
g_base64_decode_inplace (new_descriptor->value, &decoded_len);
*(new_descriptor->value + decoded_len) = '\0';
goto beach;
}
}
}
} else {
gst_mpdparser_parse_descriptor_type_node (list, a_node);
}
} else {
gst_mpdparser_parse_descriptor_type_node (list, a_node);
}
beach:
if (value)
g_free (value);
}
static void
gst_mpdparser_parse_representation_base_type (GstRepresentationBaseType **
pointer, xmlNode * a_node)
@ -1788,7 +1825,7 @@ gst_mpdparser_parse_representation_base_type (GstRepresentationBaseType **
(&representation_base->AudioChannelConfiguration, cur_node);
} else if (xmlStrcmp (cur_node->name,
(xmlChar *) "ContentProtection") == 0) {
gst_mpdparser_parse_descriptor_type_node
gst_mpdparser_parse_content_protection_node
(&representation_base->ContentProtection, cur_node);
}
}

9
tests/check/elements/dash_demux.c
View file

@ -1380,6 +1380,9 @@ testContentProtectionDashdemuxSendsEvent (GstAdaptiveDemuxTestEngine * engine,
fail_if (str == NULL);
str = strstr (value, "</ContentProtection>");
fail_if (str == NULL);
} else if (g_strcmp0 (system_id, "9a04f079-9840-4286-ab92-e65be0885f95") == 0) {
fail_unless (g_strcmp0 (origin, "dash/mpd") == 0);
fail_unless (g_strcmp0 (value, "test") == 0);
} else {
fail ("unexpected content protection event '%s'", system_id);
}
@ -1412,6 +1415,7 @@ GST_START_TEST (testContentProtection)
"<?xml version=\"1.0\" encoding=\"utf-8\"?>"
"<MPD xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""
" xmlns=\"urn:mpeg:DASH:schema:MPD:2011\""
" xmlns:mspr=\"urn:microsoft:playready\""
" xsi:schemaLocation=\"urn:mpeg:DASH:schema:MPD:2011 DASH-MPD.xsd\""
" profiles=\"urn:mpeg:dash:profile:isoff-on-demand:2011\""
" type=\"static\""
@ -1444,6 +1448,9 @@ GST_START_TEST (testContentProtection)
" <mas:MarlinContentId>urn:marlin:kid:02020202020202020202020202020202</mas:MarlinContentId>"
" </mas:MarlinContentIds>"
" </ContentProtection>"
" <ContentProtection schemeIdUri=\"urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95\" value=\"MSPR 2.0\">"
" <mspr:pro>dGVzdA==</mspr:pro>"
" </ContentProtection>"
" <Representation id=\"242\""
" codecs=\"vp9\""
" width=\"426\""
@ -1497,7 +1504,7 @@ GST_START_TEST (testContentProtection)
gst_structure_get_uint (testData->countContentProtectionEvents, "video_00",
&event_count);
fail_unless (event_count == 2);
fail_unless (event_count == 3);
g_object_unref (testData);
if (http_src_test_data.data)

6
tests/check/elements/dash_mpd.c
View file

@ -1301,6 +1301,7 @@ GST_START_TEST (dash_mpdparser_contentProtection_no_value)
const gchar *xml =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
"<MPD xmlns=\"urn:mpeg:dash:schema:mpd:2011\""
" xmlns:mspr=\"urn:microsoft:playready\""
" profiles=\"urn:mpeg:dash:profile:isoff-main:2011\">"
" <Period>"
" <AdaptationSet>"
@ -1309,6 +1310,9 @@ GST_START_TEST (dash_mpdparser_contentProtection_no_value)
" <mas:MarlinContentIds>"
" <mas:MarlinContentId>urn:marlin:kid:02020202020202020202020202020202</mas:MarlinContentId>"
" </mas:MarlinContentIds>"
" </ContentProtection>"
" <ContentProtection schemeIdUri=\"urn:uuid:9a04f079-9840-4286-ab92-e65be0885f95\" value=\"MSPR 2.0\">"
" <mspr:pro>dGVzdA==</mspr:pro>"
" </ContentProtection>" "</AdaptationSet></Period></MPD>";
gboolean ret;
@ -1321,7 +1325,7 @@ GST_START_TEST (dash_mpdparser_contentProtection_no_value)
periodNode = (GstPeriodNode *) mpdclient->mpd_node->Periods->data;
adaptationSet = (GstAdaptationSetNode *) periodNode->AdaptationSets->data;
representationBase = adaptationSet->RepresentationBase;
assert_equals_int (g_list_length (representationBase->ContentProtection), 2);
assert_equals_int (g_list_length (representationBase->ContentProtection), 3);
contentProtection =
(GstDescriptorType *) g_list_nth (representationBase->ContentProtection,
1)->data;