gstreamer/ges/ges-timeline-file-source.c

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/* GStreamer Editing Services
2009-11-30 14:14:25 +00:00
* Copyright (C) 2009 Edward Hervey <edward.hervey@collabora.co.uk>
* 2009 Nokia Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "ges-internal.h"
#include "ges-timeline-file-source.h"
#include "ges-timeline-source.h"
#include "ges-track-filesource.h"
G_DEFINE_TYPE (GESTimelineFileSource, ges_tl_filesource,
GES_TYPE_TIMELINE_SOURCE);
enum
{
PROP_0,
PROP_URI,
PROP_MUTE
};
static void
ges_tl_filesource_set_mute (GESTimelineFileSource * self, gboolean mute);
static GESTrackObject
* ges_tl_filesource_create_track_object (GESTimelineObject * obj,
GESTrack * track);
static void
ges_tl_filesource_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GESTimelineFileSource *tfs = GES_TIMELINE_FILE_SOURCE (object);
switch (property_id) {
case PROP_URI:
g_value_set_string (value, tfs->uri);
break;
case PROP_MUTE:
g_value_set_boolean (value, tfs->mute);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_tl_filesource_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GESTimelineFileSource *tfs = GES_TIMELINE_FILE_SOURCE (object);
switch (property_id) {
case PROP_URI:
tfs->uri = g_value_dup_string (value);
break;
case PROP_MUTE:
ges_tl_filesource_set_mute (tfs, g_value_get_boolean (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_tl_filesource_dispose (GObject * object)
{
G_OBJECT_CLASS (ges_tl_filesource_parent_class)->dispose (object);
}
static void
ges_tl_filesource_finalize (GObject * object)
{
GESTimelineFileSource *tfs = GES_TIMELINE_FILE_SOURCE (object);
if (tfs->uri)
g_free (tfs->uri);
G_OBJECT_CLASS (ges_tl_filesource_parent_class)->finalize (object);
}
static void
ges_tl_filesource_class_init (GESTimelineFileSourceClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GESTimelineObjectClass *timobj_class = GES_TIMELINE_OBJECT_CLASS (klass);
object_class->get_property = ges_tl_filesource_get_property;
object_class->set_property = ges_tl_filesource_set_property;
object_class->dispose = ges_tl_filesource_dispose;
object_class->finalize = ges_tl_filesource_finalize;
/**
* GESTimelineFileSource:uri
*
* The location of the file/resource to use.
*/
g_object_class_install_property (object_class, PROP_URI,
g_param_spec_string ("uri", "URI", "uri of the resource",
NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
/**
* GESTimelineFileSource:mute
*
* Whether the sound will be played or not.
*/
g_object_class_install_property (object_class, PROP_MUTE,
g_param_spec_boolean ("mute", "Mute", "Mute audio track",
FALSE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
timobj_class->create_track_object = ges_tl_filesource_create_track_object;
timobj_class->need_fill_track = FALSE;
}
static void
ges_tl_filesource_init (GESTimelineFileSource * self)
{
}
static void
ges_tl_filesource_set_mute (GESTimelineFileSource * self, gboolean mute)
{
GList *tmp;
GESTimelineObject *object = (GESTimelineObject *) self;
GST_DEBUG ("self:%p, mute:%d", self, mute);
self->mute = mute;
/* Go over tracked objects, and update 'active' status on all audio objects */
for (tmp = object->trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (trackobject->track->type == GES_TRACK_TYPE_AUDIO)
ges_track_object_set_active (trackobject, !mute);
}
}
static GESTrackObject *
ges_tl_filesource_create_track_object (GESTimelineObject * obj,
GESTrack * track)
{
GESTimelineFileSource *tfs = (GESTimelineFileSource *) obj;
GESTrackObject *res;
GST_DEBUG ("Creating a GESTrackFileSource");
/* FIXME : Implement properly ! */
res = (GESTrackObject *) ges_track_filesource_new (tfs->uri);
/* If mute and track is audio, deactivate the track object */
if (track->type == GES_TRACK_TYPE_AUDIO && tfs->mute)
ges_track_object_set_active (res, FALSE);
return res;
}
/**
* ges_timeline_filesource_new:
* @uri: the URI the source should control
*
* Creates a new #GESTimelineFileSource for the provided @uri.
*
* Returns: The newly created #GESTimelineFileSource, or NULL if there was an
* error.
*/
GESTimelineFileSource *
ges_timeline_filesource_new (gchar * uri)
{
/* FIXME : Check for validity/existence of URI */
return g_object_new (GES_TYPE_TIMELINE_FILE_SOURCE, "uri", uri, NULL);
}