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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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4c26b89e3c
This property was firstly added to TrackFileSource, but in the end, it makes more sense for it to be directly in TrackOject as it can be usefull in other cases.
141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
/* GStreamer Editing Services
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* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
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* 2009 Nokia Corporation
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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 Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 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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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/**
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* SECTION:ges-track-filesource
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* @short_description: outputs a single media stream from a given file
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*
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* Outputs a single media stream from a given file. The stream chosen depends on
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* the type of the track which contains the object.
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*/
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#include "ges-internal.h"
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#include "ges-track-object.h"
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#include "ges-track-filesource.h"
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G_DEFINE_TYPE (GESTrackFileSource, ges_track_filesource, GES_TYPE_TRACK_SOURCE);
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struct _GESTrackFileSourcePrivate
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{
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void *dummy;
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};
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enum
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{
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PROP_0,
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PROP_URI
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};
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static void
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ges_track_filesource_get_property (GObject * object, guint property_id,
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GValue * value, GParamSpec * pspec)
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{
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GESTrackFileSource *tfs = GES_TRACK_FILESOURCE (object);
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switch (property_id) {
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case PROP_URI:
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g_value_set_string (value, tfs->uri);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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ges_track_filesource_set_property (GObject * object, guint property_id,
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const GValue * value, GParamSpec * pspec)
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{
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GESTrackFileSource *tfs = GES_TRACK_FILESOURCE (object);
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switch (property_id) {
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case PROP_URI:
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tfs->uri = g_value_dup_string (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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}
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}
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static void
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ges_track_filesource_dispose (GObject * object)
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{
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GESTrackFileSource *tfs = GES_TRACK_FILESOURCE (object);
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if (tfs->uri)
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g_free (tfs->uri);
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G_OBJECT_CLASS (ges_track_filesource_parent_class)->dispose (object);
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}
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static GstElement *
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ges_track_filesource_create_gnl_object (GESTrackObject * object)
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{
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GstElement *gnlobject;
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gnlobject = gst_element_factory_make ("gnlurisource", NULL);
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g_object_set (gnlobject, "uri", ((GESTrackFileSource *) object)->uri, NULL);
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return gnlobject;
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}
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static void
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ges_track_filesource_class_init (GESTrackFileSourceClass * klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GESTrackObjectClass *track_class = GES_TRACK_OBJECT_CLASS (klass);
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g_type_class_add_private (klass, sizeof (GESTrackFileSourcePrivate));
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object_class->get_property = ges_track_filesource_get_property;
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object_class->set_property = ges_track_filesource_set_property;
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object_class->dispose = ges_track_filesource_dispose;
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/**
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* GESTrackFileSource:uri
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*
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* The location of the file/resource to use.
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*/
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g_object_class_install_property (object_class, PROP_URI,
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g_param_spec_string ("uri", "URI", "uri of the resource",
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NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
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track_class->create_gnl_object = ges_track_filesource_create_gnl_object;
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}
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static void
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ges_track_filesource_init (GESTrackFileSource * self)
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{
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self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
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GES_TYPE_TRACK_FILESOURCE, GESTrackFileSourcePrivate);
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}
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/**
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* ges_track_filesource_new:
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* @uri: the URI the source should control
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*
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* Creates a new #GESTrackFileSource for the provided @uri.
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*
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* Returns: The newly created #GESTrackFileSource, or %NULL if there was an
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* error.
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*/
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GESTrackFileSource *
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ges_track_filesource_new (gchar * uri)
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{
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return g_object_new (GES_TYPE_TRACK_FILESOURCE, "uri", uri, NULL);
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}
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