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/* GStreamer Editing Services
* Copyright (C) 2011 Thibault Saunier <thibault.saunier@collabora.co.uk>
*
* 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: geseffectclip
* @title: GESEffectClip
* @short_description: An effect created by parse-launch style bin descriptions
* in a GESLayer
*
* The effect will be applied on the sources that have lower priorities
* (higher number) between the inpoint and the end of it.
*/
#include <ges/ges.h>
#include "ges-internal.h"
#include "ges-types.h"
G_DEFINE_TYPE (GESEffectClip, ges_effect_clip, GES_TYPE_BASE_EFFECT_CLIP);
struct _GESEffectClipPrivate
{
gchar *video_bin_description;
gchar *audio_bin_description;
};
enum
{
PROP_0,
PROP_VIDEO_BIN_DESCRIPTION,
PROP_AUDIO_BIN_DESCRIPTION,
};
static void ges_effect_clip_finalize (GObject * object);
static GESTrackElement *_create_track_element (GESClip * self,
GESTrackType type);
static void
ges_effect_clip_finalize (GObject * object)
{
GESEffectClipPrivate *priv = GES_EFFECT_CLIP (object)->priv;
g_free (priv->audio_bin_description);
g_free (priv->video_bin_description);
G_OBJECT_CLASS (ges_effect_clip_parent_class)->finalize (object);
}
static void
ges_effect_clip_get_property (GObject * object,
guint property_id, GValue * value, GParamSpec * pspec)
{
GESEffectClipPrivate *priv = GES_EFFECT_CLIP (object)->priv;
switch (property_id) {
case PROP_VIDEO_BIN_DESCRIPTION:
g_value_set_string (value, priv->video_bin_description);
break;
case PROP_AUDIO_BIN_DESCRIPTION:
g_value_set_string (value, priv->audio_bin_description);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_effect_clip_set_property (GObject * object,
guint property_id, const GValue * value, GParamSpec * pspec)
{
GESEffectClip *self = GES_EFFECT_CLIP (object);
switch (property_id) {
case PROP_VIDEO_BIN_DESCRIPTION:
self->priv->video_bin_description = g_value_dup_string (value);
break;
case PROP_AUDIO_BIN_DESCRIPTION:
self->priv->audio_bin_description = g_value_dup_string (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_effect_clip_class_init (GESEffectClipClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GESClipClass *timobj_class = GES_CLIP_CLASS (klass);
g_type_class_add_private (klass, sizeof (GESEffectClipPrivate));
object_class->get_property = ges_effect_clip_get_property;
object_class->set_property = ges_effect_clip_set_property;
object_class->finalize = ges_effect_clip_finalize;
/**
* GESEffectClip:video-bin-description:
*
* The description of the video track of the effect bin with a gst-launch-style
* pipeline description. This should be used for test purposes.
*
* Example: "videobalance saturation=1.5 hue=+0.5"
*/
g_object_class_install_property (object_class, PROP_VIDEO_BIN_DESCRIPTION,
g_param_spec_string ("video-bin-description",
"Video bin description",
"Description of the video track of the effect",
NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
/**
* GESEffectClip:audio-bin-description:
*
* The description of the audio track of the effect bin with a gst-launch-style
* pipeline description. This should be used for test purposes.
*
* Example: "audiopanorama panorama=1.0"
*/
g_object_class_install_property (object_class, PROP_AUDIO_BIN_DESCRIPTION,
g_param_spec_string ("audio-bin-description",
"bin description",
"Bin description of the audio track of the effect",
NULL, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
timobj_class->create_track_element = _create_track_element;
}
static void
ges_effect_clip_init (GESEffectClip * self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
GES_TYPE_EFFECT_CLIP, GESEffectClipPrivate);
}
static GESTrackElement *
_create_track_element (GESClip * self, GESTrackType type)
{
const gchar *bin_description = NULL;
GESEffectClip *effect = GES_EFFECT_CLIP (self);
if (type == GES_TRACK_TYPE_VIDEO) {
bin_description = effect->priv->video_bin_description;
} else if (type == GES_TRACK_TYPE_AUDIO) {
bin_description = effect->priv->audio_bin_description;
}
if (bin_description) {
/* FIXME Work with a GESAsset here! */
return g_object_new (GES_TYPE_EFFECT, "bin-description",
bin_description, "track-type", type, NULL);
}
GST_WARNING ("Effect doesn't handle this track type");
return NULL;
}
/**
* ges_effect_clip_new:
* @video_bin_description: The gst-launch like bin description of the effect
* @audio_bin_description: The gst-launch like bin description of the effect
*
* Creates a new #GESEffectClip from the description of the bin.
*
* Returns: (transfer floating) (nullable): a newly created #GESEffectClip, or
* %NULL if something went wrong.
*/
GESEffectClip *
ges_effect_clip_new (const gchar * video_bin_description,
const gchar * audio_bin_description)
{
/* FIXME Handle GESAsset! */
return g_object_new (GES_TYPE_EFFECT_CLIP,
"video-bin-description", video_bin_description,
"audio-bin-description", audio_bin_description, NULL);
}
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