mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 10:40:34 +00:00
a66e674649
g-ir-scanner includes section docs as class/interface docs if the section name is equal to the lowercase type name. Since all the documentation is in section blocks, rename them to match the type names. https://bugzilla.gnome.org/show_bug.cgi?id=727776
114 lines
3.4 KiB
C
114 lines
3.4 KiB
C
/* 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:gesaudiosource
|
|
* @short_description: Base Class for audio sources
|
|
*/
|
|
|
|
#include "ges-internal.h"
|
|
#include "ges/ges-meta-container.h"
|
|
#include "ges-track-element.h"
|
|
#include "ges-audio-source.h"
|
|
#include "ges-layer.h"
|
|
|
|
G_DEFINE_ABSTRACT_TYPE (GESAudioSource, ges_audio_source, GES_TYPE_SOURCE);
|
|
|
|
struct _GESAudioSourcePrivate
|
|
{
|
|
/* Dummy variable */
|
|
void *nothing;
|
|
};
|
|
|
|
static void
|
|
_sync_element_to_layer_property_float (GESTrackElement * trksrc,
|
|
GstElement * element, const gchar * meta, const gchar * propname)
|
|
{
|
|
GESTimelineElement *parent;
|
|
GESLayer *layer;
|
|
gfloat value;
|
|
|
|
parent = ges_timeline_element_get_parent (GES_TIMELINE_ELEMENT (trksrc));
|
|
layer = ges_clip_get_layer (GES_CLIP (parent));
|
|
|
|
gst_object_unref (parent);
|
|
|
|
if (layer != NULL) {
|
|
|
|
ges_meta_container_get_float (GES_META_CONTAINER (layer), meta, &value);
|
|
g_object_set (element, propname, value, NULL);
|
|
GST_DEBUG_OBJECT (trksrc, "Setting %s to %f", propname, value);
|
|
|
|
} else {
|
|
|
|
GST_DEBUG_OBJECT (trksrc, "NOT setting the %s", propname);
|
|
}
|
|
|
|
gst_object_unref (layer);
|
|
}
|
|
|
|
static GstElement *
|
|
ges_audio_source_create_element (GESTrackElement * trksrc)
|
|
{
|
|
GstElement *volume, *vbin;
|
|
GstElement *topbin;
|
|
GstElement *sub_element;
|
|
GESAudioSourceClass *source_class = GES_AUDIO_SOURCE_GET_CLASS (trksrc);
|
|
const gchar *props[] = { "volume", "mute", NULL };
|
|
|
|
if (!source_class->create_source)
|
|
return NULL;
|
|
|
|
sub_element = source_class->create_source (trksrc);
|
|
|
|
GST_DEBUG_OBJECT (trksrc, "Creating a bin sub_element ! volume");
|
|
vbin =
|
|
gst_parse_bin_from_description
|
|
("audioconvert ! audioresample ! volume name=v", TRUE, NULL);
|
|
topbin = ges_source_create_topbin ("audiosrcbin", sub_element, vbin, NULL);
|
|
volume = gst_bin_get_by_name (GST_BIN (vbin), "v");
|
|
|
|
_sync_element_to_layer_property_float (trksrc, volume, GES_META_VOLUME,
|
|
"volume");
|
|
ges_track_element_add_children_props (trksrc, volume, NULL, NULL, props);
|
|
gst_object_unref (volume);
|
|
|
|
return topbin;
|
|
}
|
|
|
|
static void
|
|
ges_audio_source_class_init (GESAudioSourceClass * klass)
|
|
{
|
|
GESTrackElementClass *track_class = GES_TRACK_ELEMENT_CLASS (klass);
|
|
GESAudioSourceClass *audio_source_class = GES_AUDIO_SOURCE_CLASS (klass);
|
|
|
|
g_type_class_add_private (klass, sizeof (GESAudioSourcePrivate));
|
|
|
|
track_class->gnlobject_factorytype = "gnlsource";
|
|
track_class->create_element = ges_audio_source_create_element;
|
|
audio_source_class->create_source = NULL;
|
|
}
|
|
|
|
static void
|
|
ges_audio_source_init (GESAudioSource * self)
|
|
{
|
|
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
|
|
GES_TYPE_AUDIO_SOURCE, GESAudioSourcePrivate);
|
|
}
|