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/* GStreamer Editing Services
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/**
* SECTION:gesaudiourisource
* @title: GESAudioUriSource
* @short_description: outputs a single audio stream from a given file
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "ges-utils.h"
#include "ges-internal.h"
#include "ges-track-element.h"
#include "ges-uri-source.h"
#include "ges-audio-uri-source.h"
#include "ges-uri-asset.h"
#include "ges-extractable.h"
struct _GESAudioUriSourcePrivate
{
GESUriSource parent;
};
enum
{
PROP_0,
PROP_URI
};
/* GESSource VMethod */
static GstElement *
ges_audio_uri_source_create_source (GESTrackElement * element)
{
return ges_uri_source_create_source (GES_AUDIO_URI_SOURCE (element)->priv);
}
/* Extractable interface implementation */
static gchar *
ges_extractable_check_id (GType type, const gchar * id, GError ** error)
{
return g_strdup (id);
}
static void
ges_extractable_interface_init (GESExtractableInterface * iface)
{
iface->asset_type = GES_TYPE_URI_SOURCE_ASSET;
iface->check_id = ges_extractable_check_id;
}
G_DEFINE_TYPE_WITH_CODE (GESAudioUriSource, ges_audio_uri_source,
GES_TYPE_AUDIO_SOURCE, G_ADD_PRIVATE (GESAudioUriSource)
G_IMPLEMENT_INTERFACE (GES_TYPE_EXTRACTABLE,
ges_extractable_interface_init));
/* GObject VMethods */
static gboolean
_get_natural_framerate (GESTimelineElement * self, gint * framerate_n,
gint * framerate_d)
{
if (self->parent)
return ges_timeline_element_get_natural_framerate (self->parent,
framerate_n, framerate_d);
return FALSE;
}
static void
ges_audio_uri_source_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GESAudioUriSource *uriclip = GES_AUDIO_URI_SOURCE (object);
switch (property_id) {
case PROP_URI:
g_value_set_string (value, uriclip->uri);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_audio_uri_source_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GESAudioUriSource *uriclip = GES_AUDIO_URI_SOURCE (object);
switch (property_id) {
case PROP_URI:
if (uriclip->uri) {
GST_WARNING_OBJECT (object, "Uri already set to %s", uriclip->uri);
return;
}
uriclip->priv->uri = uriclip->uri = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_audio_uri_source_finalize (GObject * object)
{
GESAudioUriSource *uriclip = GES_AUDIO_URI_SOURCE (object);
g_free (uriclip->uri);
G_OBJECT_CLASS (ges_audio_uri_source_parent_class)->finalize (object);
}
static void
ges_audio_uri_source_class_init (GESAudioUriSourceClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GESTimelineElementClass *element_class = GES_TIMELINE_ELEMENT_CLASS (klass);
GESSourceClass *src_class = GES_SOURCE_CLASS (klass);
GESAudioSourceClass *audio_src_class = GES_AUDIO_SOURCE_CLASS (klass);
object_class->get_property = ges_audio_uri_source_get_property;
object_class->set_property = ges_audio_uri_source_set_property;
object_class->finalize = ges_audio_uri_source_finalize;
/**
* GESAudioUriSource: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));
element_class->get_natural_framerate = _get_natural_framerate;
src_class->select_pad = ges_uri_source_select_pad;
audio_src_class->create_source = ges_audio_uri_source_create_source;
}
static void
ges_audio_uri_source_init (GESAudioUriSource * self)
{
self->priv = ges_audio_uri_source_get_instance_private (self);
ges_uri_source_init (GES_TRACK_ELEMENT (self), self->priv);
}
/**
* ges_audio_uri_source_new:
* @uri: the URI the source should control
*
* Creates a new #GESAudioUriSource for the provided @uri.
*
* Returns: (transfer floating) (nullable): The newly created
* #GESAudioUriSource, or %NULL if there was an error.
*/
GESAudioUriSource *
ges_audio_uri_source_new (gchar * uri)
{
return g_object_new (GES_TYPE_AUDIO_URI_SOURCE, "uri", uri, NULL);
}
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