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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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405 lines
15 KiB
C
405 lines
15 KiB
C
/* GStreamer
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*
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* Copyright (C) 2019 Collabora Ltd.
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* Author: Stéphane Cerveau <scerveau@collabora.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#include "gstmpdrootnode.h"
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#include "gstmpdparser.h"
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G_DEFINE_TYPE (GstMPDRootNode, gst_mpd_root_node, GST_TYPE_MPD_NODE);
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enum
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{
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PROP_MPD_ROOT_0,
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PROP_MPD_ROOT_DEFAULT_NAMESPACE,
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PROP_MPD_ROOT_NAMESPACE_XSI,
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PROP_MPD_ROOT_NAMESPACE_EXT,
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PROP_MPD_ROOT_SCHEMA_LOCATION,
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PROP_MPD_ROOT_ID,
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PROP_MPD_ROOT_PROFILES,
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PROP_MPD_ROOT_TYPE,
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PROP_MPD_ROOT_PUBLISH_TIME,
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PROP_MPD_ROOT_AVAILABILTY_START_TIME,
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PROP_MPD_ROOT_AVAILABILTY_END_TIME,
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PROP_MPD_ROOT_MEDIA_PRESENTATION_DURATION,
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PROP_MPD_ROOT_MINIMUM_UPDATE_PERIOD,
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PROP_MPD_ROOT_MIN_BUFFER_TIME,
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PROP_MPD_ROOT_TIMESHIFT_BUFFER_DEPTH,
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PROP_MPD_ROOT_SUGGESTED_PRESENTATION_DELAY,
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PROP_MPD_ROOT_MAX_SEGMENT_DURATION,
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PROP_MPD_ROOT_MAX_SUBSEGMENT_DURATION,
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};
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/* GObject VMethods */
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static void
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gst_mpd_root_node_set_property (GObject * object, guint prop_id,
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const GValue * value, GParamSpec * pspec)
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{
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GstMPDRootNode *self = GST_MPD_ROOT_NODE (object);
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switch (prop_id) {
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case PROP_MPD_ROOT_DEFAULT_NAMESPACE:
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g_free (self->default_namespace);
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self->default_namespace = g_value_dup_string (value);
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break;
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case PROP_MPD_ROOT_NAMESPACE_XSI:
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g_free (self->namespace_xsi);
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self->namespace_xsi = g_value_dup_string (value);
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break;
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case PROP_MPD_ROOT_NAMESPACE_EXT:
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g_free (self->namespace_ext);
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self->namespace_ext = g_value_dup_string (value);
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break;
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case PROP_MPD_ROOT_SCHEMA_LOCATION:
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g_free (self->schemaLocation);
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self->schemaLocation = g_value_dup_string (value);
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break;
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case PROP_MPD_ROOT_ID:
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g_free (self->id);
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self->id = g_value_dup_string (value);
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break;
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case PROP_MPD_ROOT_PROFILES:
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g_free (self->profiles);
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self->profiles = g_value_dup_string (value);
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break;
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case PROP_MPD_ROOT_TYPE:
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self->type = (GstMPDFileType) g_value_get_int (value);
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break;
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case PROP_MPD_ROOT_AVAILABILTY_START_TIME:
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if (self->availabilityStartTime)
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gst_date_time_unref (self->availabilityStartTime);
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self->availabilityStartTime = g_value_get_boxed (value);
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break;
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case PROP_MPD_ROOT_AVAILABILTY_END_TIME:
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if (self->availabilityEndTime)
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gst_date_time_unref (self->availabilityEndTime);
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self->availabilityEndTime = g_value_get_boxed (value);
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break;
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case PROP_MPD_ROOT_PUBLISH_TIME:
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if (self->publishTime)
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gst_date_time_unref (self->publishTime);
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self->publishTime = g_value_get_boxed (value);
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break;
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case PROP_MPD_ROOT_MEDIA_PRESENTATION_DURATION:
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self->mediaPresentationDuration = g_value_get_uint64 (value);
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break;
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case PROP_MPD_ROOT_MINIMUM_UPDATE_PERIOD:
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self->minimumUpdatePeriod = g_value_get_uint64 (value);
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break;
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case PROP_MPD_ROOT_MIN_BUFFER_TIME:
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self->minBufferTime = g_value_get_uint64 (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_mpd_root_node_get_property (GObject * object, guint prop_id,
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GValue * value, GParamSpec * pspec)
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{
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GstMPDRootNode *self = GST_MPD_ROOT_NODE (object);
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switch (prop_id) {
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case PROP_MPD_ROOT_DEFAULT_NAMESPACE:
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g_value_set_string (value, self->default_namespace);
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break;
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case PROP_MPD_ROOT_NAMESPACE_XSI:
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g_value_set_string (value, self->namespace_xsi);
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break;
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case PROP_MPD_ROOT_NAMESPACE_EXT:
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g_value_set_string (value, self->namespace_ext);
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break;
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case PROP_MPD_ROOT_SCHEMA_LOCATION:
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g_value_set_string (value, self->schemaLocation);
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break;
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case PROP_MPD_ROOT_ID:
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g_value_set_string (value, self->id);
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break;
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case PROP_MPD_ROOT_PROFILES:
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g_value_set_string (value, self->profiles);
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break;
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case PROP_MPD_ROOT_TYPE:
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g_value_set_int (value, self->type);
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break;
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case PROP_MPD_ROOT_AVAILABILTY_START_TIME:
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g_value_set_boxed (value, self->availabilityStartTime);
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break;
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case PROP_MPD_ROOT_AVAILABILTY_END_TIME:
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g_value_set_boxed (value, self->availabilityEndTime);
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break;
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case PROP_MPD_ROOT_PUBLISH_TIME:
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g_value_set_boxed (value, self->publishTime);
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break;
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case PROP_MPD_ROOT_MEDIA_PRESENTATION_DURATION:
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g_value_set_uint64 (value, self->mediaPresentationDuration);
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break;
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case PROP_MPD_ROOT_MINIMUM_UPDATE_PERIOD:
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g_value_set_uint64 (value, self->minimumUpdatePeriod);
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break;
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case PROP_MPD_ROOT_MIN_BUFFER_TIME:
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g_value_set_uint64 (value, self->minBufferTime);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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gst_mpd_root_node_finalize (GObject * object)
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{
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GstMPDRootNode *self = GST_MPD_ROOT_NODE (object);
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g_free (self->default_namespace);
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g_free (self->namespace_xsi);
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g_free (self->namespace_ext);
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g_free (self->schemaLocation);
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g_free (self->id);
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g_free (self->profiles);
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if (self->availabilityStartTime)
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gst_date_time_unref (self->availabilityStartTime);
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if (self->availabilityEndTime)
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gst_date_time_unref (self->availabilityEndTime);
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if (self->publishTime)
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gst_date_time_unref (self->publishTime);
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g_list_free_full (self->ProgramInfos,
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(GDestroyNotify) gst_mpd_program_information_node_free);
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g_list_free_full (self->BaseURLs, (GDestroyNotify) gst_mpd_baseurl_node_free);
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g_list_free_full (self->Locations,
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(GDestroyNotify) gst_mpd_location_node_free);
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g_list_free_full (self->Periods, (GDestroyNotify) gst_mpd_period_node_free);
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g_list_free_full (self->Metrics, (GDestroyNotify) gst_mpd_metrics_node_free);
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g_list_free_full (self->UTCTimings,
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(GDestroyNotify) gst_mpd_utctiming_node_free);
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G_OBJECT_CLASS (gst_mpd_root_node_parent_class)->finalize (object);
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}
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/* Base class */
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static xmlNodePtr
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gst_mpd_root_get_xml_node (GstMPDNode * node)
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{
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xmlNodePtr root_xml_node;
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GstMPDRootNode *self = GST_MPD_ROOT_NODE (node);
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root_xml_node = xmlNewNode (NULL, (xmlChar *) "MPD");
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gst_xml_helper_set_prop_string (root_xml_node, "xmlns",
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self->default_namespace);
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gst_xml_helper_set_prop_string (root_xml_node, "profiles", self->profiles);
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gst_xml_helper_set_prop_string (root_xml_node, "schemaLocation",
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self->schemaLocation);
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gst_xml_helper_set_prop_string (root_xml_node, "xmlns:xsi",
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self->namespace_xsi);
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gst_xml_helper_set_prop_string (root_xml_node, "xmlns:ext",
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self->namespace_ext);
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gst_xml_helper_set_prop_string (root_xml_node, "id", self->id);
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if (self->type == GST_MPD_FILE_TYPE_STATIC)
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gst_xml_helper_set_prop_string (root_xml_node, "type", (gchar *) "static");
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else
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gst_xml_helper_set_prop_string (root_xml_node, "type", (gchar *) "dynamic");
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gst_xml_helper_set_prop_date_time (root_xml_node, "availabilityStartTime",
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self->availabilityStartTime);
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gst_xml_helper_set_prop_date_time (root_xml_node, "availabilityEndTime",
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self->availabilityEndTime);
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gst_xml_helper_set_prop_date_time (root_xml_node, "publishTime",
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self->publishTime);
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if (self->mediaPresentationDuration)
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gst_xml_helper_set_prop_duration (root_xml_node,
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"mediaPresentationDuration", self->mediaPresentationDuration);
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if (self->minimumUpdatePeriod)
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gst_xml_helper_set_prop_duration (root_xml_node, "minimumUpdatePeriod",
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self->minimumUpdatePeriod);
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if (self->minBufferTime)
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gst_xml_helper_set_prop_duration (root_xml_node, "minBufferTime",
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self->minBufferTime);
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if (self->timeShiftBufferDepth)
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gst_xml_helper_set_prop_duration (root_xml_node, "timeShiftBufferDepth",
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self->timeShiftBufferDepth);
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if (self->suggestedPresentationDelay)
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gst_xml_helper_set_prop_duration (root_xml_node,
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"suggestedPresentationDelay", self->suggestedPresentationDelay);
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if (self->maxSegmentDuration)
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gst_xml_helper_set_prop_duration (root_xml_node, "maxSegmentDuration",
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self->maxSegmentDuration);
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if (self->maxSubsegmentDuration)
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gst_xml_helper_set_prop_duration (root_xml_node, "maxSubsegmentDuration",
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self->maxSubsegmentDuration);
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g_list_foreach (self->BaseURLs, gst_mpd_node_get_list_item, root_xml_node);
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g_list_foreach (self->Locations, gst_mpd_node_get_list_item, root_xml_node);
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g_list_foreach (self->ProgramInfos, gst_mpd_node_get_list_item,
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root_xml_node);
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g_list_foreach (self->Periods, gst_mpd_node_get_list_item, root_xml_node);
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g_list_foreach (self->Metrics, gst_mpd_node_get_list_item, root_xml_node);
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g_list_foreach (self->UTCTimings, gst_mpd_node_get_list_item, root_xml_node);
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return root_xml_node;
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}
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static gboolean
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gst_mpd_root_get_xml_buffer (GstMPDNode * node, gchar ** doc_content,
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gint * doc_size)
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{
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xmlDocPtr doc;
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xmlNodePtr root_xml_node;
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xmlChar *xmlbody;
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doc = xmlNewDoc ((xmlChar *) "1.0");
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root_xml_node = gst_mpd_root_get_xml_node (node);
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xmlDocSetRootElement (doc, root_xml_node);
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xmlDocDumpMemory (doc, &xmlbody, doc_size);
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*doc_content = g_strndup ((gchar *) xmlbody, *doc_size);
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xmlFree (xmlbody);
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xmlFreeDoc (doc);
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return TRUE;
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}
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static void
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gst_mpd_root_node_class_init (GstMPDRootNodeClass * klass)
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{
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GObjectClass *object_class;
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GstMPDNodeClass *m_klass;
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object_class = G_OBJECT_CLASS (klass);
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m_klass = GST_MPD_NODE_CLASS (klass);
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object_class->finalize = gst_mpd_root_node_finalize;
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object_class->set_property = gst_mpd_root_node_set_property;
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object_class->get_property = gst_mpd_root_node_get_property;
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m_klass->get_xml_buffer = gst_mpd_root_get_xml_buffer;
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m_klass->get_xml_node = gst_mpd_root_get_xml_node;
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g_object_class_install_property (object_class,
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PROP_MPD_ROOT_DEFAULT_NAMESPACE, g_param_spec_string ("default-namespace",
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"default namespace", "default namespace", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class, PROP_MPD_ROOT_NAMESPACE_XSI,
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g_param_spec_string ("namespace-xsi", "namespace xsi", "namespace xsi",
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NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class, PROP_MPD_ROOT_NAMESPACE_EXT,
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g_param_spec_string ("namespace-ext", "namespace ext", "namespace ext",
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NULL, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class, PROP_MPD_ROOT_SCHEMA_LOCATION,
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g_param_spec_string ("schema-location", "schema location",
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"schema location for period", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class, PROP_MPD_ROOT_ID,
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g_param_spec_string ("id", "id", "unique id for period", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class, PROP_MPD_ROOT_PROFILES,
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g_param_spec_string ("profiles", "profiles", "profiles", NULL,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class, PROP_MPD_ROOT_TYPE,
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g_param_spec_int ("type", "MPD type",
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"MPD type",
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GST_MPD_FILE_TYPE_STATIC, GST_MPD_FILE_TYPE_DYNAMIC,
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GST_MPD_FILE_TYPE_STATIC,
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(GParamFlags) (G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)));
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g_object_class_install_property (object_class,
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PROP_MPD_ROOT_AVAILABILTY_START_TIME,
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g_param_spec_boxed ("availability-start-time", "Availability start time",
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"MPD availability start time", GST_TYPE_DATE_TIME,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_MPD_ROOT_AVAILABILTY_END_TIME,
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g_param_spec_boxed ("availability-end-time", "Availability end time",
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"MPD availability end time", GST_TYPE_DATE_TIME,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_MPD_ROOT_PUBLISH_TIME,
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g_param_spec_boxed ("publish-time", "publish time",
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"MPD publish time", GST_TYPE_DATE_TIME,
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G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_MPD_ROOT_MEDIA_PRESENTATION_DURATION,
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g_param_spec_uint64 ("media-presentation-duration",
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"media presentation duration", "media presentation duration", 0,
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G_MAXUINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_MPD_ROOT_MINIMUM_UPDATE_PERIOD,
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g_param_spec_uint64 ("minimum-update-period",
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"minimum update period", "minimum update period", 0,
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G_MAXUINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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g_object_class_install_property (object_class,
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PROP_MPD_ROOT_MIN_BUFFER_TIME,
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g_param_spec_uint64 ("min-buffer-time", "mininim buffer time",
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"mininim buffer time", 0,
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G_MAXUINT64, 0, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
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}
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static void
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gst_mpd_root_node_init (GstMPDRootNode * self)
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{
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self->default_namespace = NULL;
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self->namespace_xsi = NULL;
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self->namespace_ext = NULL;
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self->schemaLocation = NULL;
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self->id = NULL;
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self->profiles = NULL;
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self->type = GST_MPD_FILE_TYPE_STATIC;
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self->availabilityStartTime = NULL;
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self->availabilityEndTime = NULL;
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self->publishTime = NULL;
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self->mediaPresentationDuration = 0; /* [ms] */
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self->minimumUpdatePeriod = 0; /* [ms] */
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self->minBufferTime = 2000; /* [ms] */
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self->timeShiftBufferDepth = 0; /* [ms] */
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self->suggestedPresentationDelay = 0; /* [ms] */
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self->maxSegmentDuration = 0; /* [ms] */
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self->maxSubsegmentDuration = 0; /* [ms] */
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/* list of BaseURL nodes */
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self->BaseURLs = NULL;
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/* list of Location nodes */
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self->Locations = NULL;
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/* List of ProgramInformation nodes */
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self->ProgramInfos = NULL;
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/* list of Periods nodes */
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self->Periods = NULL;
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/* list of Metrics nodes */
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self->Metrics = NULL;
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/* list of GstUTCTimingNode nodes */
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self->UTCTimings = NULL;
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}
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GstMPDRootNode *
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gst_mpd_root_node_new (void)
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{
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return g_object_new (GST_TYPE_MPD_ROOT_NODE, NULL);
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}
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void
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gst_mpd_root_node_free (GstMPDRootNode * self)
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{
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if (self)
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gst_object_unref (self);
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}
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