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/* GStreamer
*
* Copyright (C) 2019 Collabora Ltd.
* Author: Stéphane Cerveau <scerveau@collabora.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "gstmpdhelper.h"
#include "gstmpdbaseurlnode.h"
gboolean
gst_mpd_helper_get_mpd_type (xmlNode * a_node,
const gchar * property_name, GstMPDFileType * property_value)
{
xmlChar *prop_string;
gboolean exists = FALSE;
*property_value = GST_MPD_FILE_TYPE_STATIC; /* default */
prop_string = xmlGetProp (a_node, (const xmlChar *) property_name);
if (prop_string) {
if (xmlStrcmp (prop_string, (xmlChar *) "OnDemand") == 0
|| xmlStrcmp (prop_string, (xmlChar *) "static") == 0) {
exists = TRUE;
*property_value = GST_MPD_FILE_TYPE_STATIC;
GST_LOG (" - %s: static", property_name);
} else if (xmlStrcmp (prop_string, (xmlChar *) "Live") == 0
|| xmlStrcmp (prop_string, (xmlChar *) "dynamic") == 0) {
exists = TRUE;
*property_value = GST_MPD_FILE_TYPE_DYNAMIC;
GST_LOG (" - %s: dynamic", property_name);
} else {
GST_WARNING ("failed to parse MPD type property %s from xml string %s",
property_name, prop_string);
}
xmlFree (prop_string);
}
return exists;
}
gboolean
gst_mpd_helper_get_SAP_type (xmlNode * a_node,
const gchar * property_name, GstMPDSAPType * property_value)
{
xmlChar *prop_string;
guint prop_SAP_type = 0;
gboolean exists = FALSE;
prop_string = xmlGetProp (a_node, (const xmlChar *) property_name);
if (prop_string) {
if (sscanf ((gchar *) prop_string, "%u", &prop_SAP_type) == 1
&& prop_SAP_type <= 6) {
exists = TRUE;
*property_value = (GstMPDSAPType) prop_SAP_type;
GST_LOG (" - %s: %u", property_name, prop_SAP_type);
} else {
GST_WARNING
("failed to parse unsigned integer property %s from xml string %s",
property_name, prop_string);
}
xmlFree (prop_string);
}
return exists;
}
GstMPDURLType *
gst_mpd_helper_URLType_clone (GstMPDURLType * url)
{
GstMPDURLType *clone = NULL;
if (url) {
clone = g_slice_new0 (GstMPDURLType);
if (url->sourceURL) {
clone->sourceURL = xmlMemStrdup (url->sourceURL);
}
clone->range = gst_xml_helper_clone_range (url->range);
}
return clone;
}
void
gst_mpd_helper_url_type_node_free (GstMPDURLType * url_type_node)
{
if (url_type_node) {
if (url_type_node->sourceURL)
xmlFree (url_type_node->sourceURL);
g_slice_free (GstXMLRange, url_type_node->range);
g_slice_free (GstMPDURLType, url_type_node);
}
}
void
gst_mpd_helper_descriptor_type_free (GstMPDDescriptorType * descriptor_type)
{
if (descriptor_type) {
if (descriptor_type->schemeIdUri)
xmlFree (descriptor_type->schemeIdUri);
if (descriptor_type->value)
xmlFree (descriptor_type->value);
g_slice_free (GstMPDDescriptorType, descriptor_type);
}
}
void
gst_mpd_helper_segment_base_type_free (GstMPDSegmentBaseType * seg_base_type)
{
if (seg_base_type) {
if (seg_base_type->indexRange)
g_slice_free (GstXMLRange, seg_base_type->indexRange);
gst_mpd_helper_url_type_node_free (seg_base_type->Initialization);
gst_mpd_helper_url_type_node_free (seg_base_type->RepresentationIndex);
g_slice_free (GstMPDSegmentBaseType, seg_base_type);
}
}
void
gst_mpd_helper_mult_seg_base_type_free (GstMPDMultSegmentBaseType *
mult_seg_base_type)
{
if (mult_seg_base_type) {
/* SegmentBaseType extension */
gst_mpd_helper_segment_base_type_free (mult_seg_base_type->SegBaseType);
gst_mpd_segment_timeline_node_free (mult_seg_base_type->SegmentTimeline);
gst_mpd_helper_url_type_node_free (mult_seg_base_type->BitstreamSwitching);
g_slice_free (GstMPDMultSegmentBaseType, mult_seg_base_type);
}
}
void
gst_mpd_helper_representation_base_type_free (GstMPDRepresentationBaseType *
representation_base)
{
if (representation_base) {
if (representation_base->profiles)
xmlFree (representation_base->profiles);
g_slice_free (GstXMLRatio, representation_base->sar);
g_slice_free (GstXMLFrameRate, representation_base->frameRate);
g_slice_free (GstXMLFrameRate, representation_base->minFrameRate);
g_slice_free (GstXMLFrameRate, representation_base->maxFrameRate);
if (representation_base->audioSamplingRate)
xmlFree (representation_base->audioSamplingRate);
if (representation_base->mimeType)
xmlFree (representation_base->mimeType);
if (representation_base->segmentProfiles)
xmlFree (representation_base->segmentProfiles);
if (representation_base->codecs)
xmlFree (representation_base->codecs);
if (representation_base->scanType)
xmlFree (representation_base->scanType);
g_list_free_full (representation_base->FramePacking,
(GDestroyNotify) gst_mpd_helper_descriptor_type_free);
g_list_free_full (representation_base->AudioChannelConfiguration,
(GDestroyNotify) gst_mpd_helper_descriptor_type_free);
g_list_free_full (representation_base->ContentProtection,
(GDestroyNotify) gst_mpd_helper_descriptor_type_free);
g_slice_free (GstMPDRepresentationBaseType, representation_base);
}
}
const gchar *
gst_mpd_helper_mimetype_to_caps (const gchar * mimeType)
{
if (mimeType == NULL)
return NULL;
if (strcmp (mimeType, "video/mp2t") == 0) {
return "video/mpegts, systemstream=(bool) true";
} else if (strcmp (mimeType, "video/mp4") == 0) {
return "video/quicktime";
} else if (strcmp (mimeType, "audio/mp4") == 0) {
return "audio/x-m4a";
} else if (strcmp (mimeType, "text/vtt") == 0) {
return "application/x-subtitle-vtt";
} else
return mimeType;
}
/*
* Combine a base url with the current stream base url from the list of
* baseURLs. Takes ownership of base and returns a new base.
*/
GstUri *
gst_mpd_helper_combine_urls (GstUri * base, GList * list, gchar ** query,
guint idx)
{
GstMPDBaseURLNode *baseURL;
GstUri *ret = base;
if (list != NULL) {
baseURL = g_list_nth_data (list, idx);
if (!baseURL) {
baseURL = list->data;
}
ret = gst_uri_from_string_with_base (base, baseURL->baseURL);
gst_uri_unref (base);
if (ret && query) {
g_free (*query);
*query = gst_uri_get_query_string (ret);
if (*query) {
ret = gst_uri_make_writable (ret);
gst_uri_set_query_table (ret, NULL);
}
}
}
return ret;
}
/* comparison functions */
int
gst_mpd_helper_strncmp_ext (const char *s1, const char *s2)
{
if (s1 == NULL && s2 == NULL)
return 0;
if (s1 == NULL && s2 != NULL)
return 1;
if (s2 == NULL && s1 != NULL)
return 1;
return strncmp (s1, s2, strlen (s2));
}
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