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check in GESTrackVideoOverlay

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Brandon Lewis 2010-06-23 16:30:18 +02:00 committed by Edward Hervey
parent dd631dbf28
commit 076c610f80
5 changed files with 335 additions and 0 deletions
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19
docs/libs/ges-sections.txt
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@ -500,3 +500,22 @@ GES_TRACK_OVERLAY_GET_CLASS
GES_TYPE_TRACK_OVERLAY
</SECTION>
<SECTION>
<FILE>ges-track-video-overlay</FILE>
<TITLE>GESTrackOverlay</TITLE>
GESTrackVideoOverlay
GESTrackVideoOverlayClass
ges_track_video_overlay_get_type
ges_track_video_overlay_new
ges_track_video_overlay_set_font_desc
ges_track_video_overlay_set_halignment
ges_track_video_overlay_set_text
ges_track_video_overlay_set_valignment
<SUBSECTION Standard>
GES_IS_TRACK_VIDEO_OVERLAY
GES_IS_TRACK_VIDEO_OVERLAY_CLASS
GES_TRACK_VIDEO_OVERLAY
GES_TRACK_VIDEO_OVERLAY_CLASS
GES_TRACK_VIDEO_OVERLAY_GET_CLASS
GES_TYPE_TRACK_VIDEO_OVERLAY
</SECTION>

2
ges/Makefile.am
View file

@ -35,6 +35,7 @@ libges_@GST_MAJORMINOR@_la_SOURCES = \
ges-track-video-title-source.c \
ges-track-audio-title-source.c \
ges-track-overlay.c \
ges-track-video-overlay.c \
ges-utils.c
libges_@GST_MAJORMINOR@includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/ges/
@ -68,6 +69,7 @@ libges_@GST_MAJORMINOR@include_HEADERS = \
ges-track-video-title-source.h \
ges-track-audio-title-source.h \
ges-track-overlay.h \
ges-track-video-overlay.h \
ges-utils.h
libges_@GST_MAJORMINOR@_la_CFLAGS = -I$(top_srcdir) $(GST_PROFILE_CFLAGS) $(GST_DISCOVERER_CFLAGS) $(GST_CONTROLLER_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)

215
ges/ges-track-video-overlay.c Normal file
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@ -0,0 +1,215 @@
/* GStreamer Editing Services
* Copyright (C) 2010 Brandon Lewis <brandon.lewis@collabora.co.uk>
* 2010 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.
*/
/**
* SECTION:ges-track-source
* @short_description: Base Class for single-media sources
*/
#include "ges-internal.h"
#include "ges-track-object.h"
#include "ges-track-video-title-source.h"
#include "ges-track-video-overlay.h"
G_DEFINE_TYPE (GESTrackVideoOverlay, ges_track_video_overlay,
GES_TYPE_TRACK_OVERLAY);
enum
{
PROP_0,
};
static void ges_track_video_overlay_dispose (GObject * object);
static void ges_track_video_overlay_finalize (GObject * object);
static void ges_track_video_overlay_get_property (GObject * object, guint
property_id, GValue * value, GParamSpec * pspec);
static void ges_track_video_overlay_set_property (GObject * object, guint
property_id, const GValue * value, GParamSpec * pspec);
static GstElement *ges_track_video_overlay_create_element (GESTrackOverlay
* self);
static void
ges_track_video_overlay_class_init (GESTrackVideoOverlayClass * klass)
{
GObjectClass *object_class;
GESTrackOverlayClass *bg_class;
object_class = G_OBJECT_CLASS (klass);
bg_class = GES_TRACK_OVERLAY_CLASS (klass);
object_class->get_property = ges_track_video_overlay_get_property;
object_class->set_property = ges_track_video_overlay_set_property;
object_class->dispose = ges_track_video_overlay_dispose;
object_class->finalize = ges_track_video_overlay_finalize;
bg_class->create_element = ges_track_video_overlay_create_element;
}
static void
ges_track_video_overlay_init (GESTrackVideoOverlay * self)
{
self->text = NULL;
self->font_desc = g_strdup (DEFAULT_FONT_DESC);
self->text_el = NULL;
self->halign = DEFAULT_HALIGNMENT;
self->valign = DEFAULT_VALIGNMENT;
}
static void
ges_track_video_overlay_dispose (GObject * object)
{
GESTrackVideoOverlay *self = GES_TRACK_VIDEO_OVERLAY (object);
if (self->text) {
g_free (self->text);
}
if (self->font_desc) {
g_free (self->font_desc);
}
if (self->text_el) {
g_object_unref (self->text_el);
self->text_el = NULL;
}
G_OBJECT_CLASS (ges_track_video_overlay_parent_class)->dispose (object);
}
static void
ges_track_video_overlay_finalize (GObject * object)
{
G_OBJECT_CLASS (ges_track_video_overlay_parent_class)->finalize (object);
}
static void
ges_track_video_overlay_get_property (GObject * object,
guint property_id, GValue * value, GParamSpec * pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_track_video_overlay_set_property (GObject * object,
guint property_id, const GValue * value, GParamSpec * pspec)
{
switch (property_id) {
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static GstElement *
ges_track_video_overlay_create_element (GESTrackOverlay * object)
{
//GESTrackVideoOverlay *self = GES_TRACK_VIDEO_OVERLAY (object);
return gst_element_factory_make ("identity", NULL);
}
/**
* ges_track_video_overlay_set_text:
* @self: the #GESTrackVideoOverlay* to set text on
* @text: the text to render. an internal copy of this text will be
* made.
*
* Sets the text this track object will render.
*
*/
void
ges_track_video_overlay_set_text (GESTrackVideoOverlay * self,
const gchar * text)
{
if (self->text)
g_free (self->text);
self->text = g_strdup (text);
if (self->text_el)
g_object_set (self->text_el, "text", text, NULL);
}
/**
* ges_track_video_overlay_set_font_desc:
* @self: the #GESTrackVideoOverlay
* @font_desc: the pango font description
*
* Sets the text this track object will render.
*
*/
void
ges_track_video_overlay_set_font_desc (GESTrackVideoOverlay * self,
const gchar * font_desc)
{
if (self->font_desc)
g_free (self->font_desc);
self->font_desc = g_strdup (font_desc);
GST_LOG ("setting font-desc to '%s'", font_desc);
if (self->text_el)
g_object_set (self->text_el, "font-desc", font_desc, NULL);
}
/**
* ges_track_video_overlay_valignment:
* @self: the #GESTrackVideoOverlay* to set text on
* @valign: #GESTrackVideoTitleSrcVAlign
*
* Sets the vertical aligment of the text.
*/
void
ges_track_video_overlay_set_valignment (GESTrackVideoOverlay * self,
GESTrackVideoTitleSrcVAlign valign)
{
self->valign = valign;
GST_LOG ("set valignment to: %d", valign);
if (self->text_el)
g_object_set (self->text_el, "valignment", valign, NULL);
}
/**
* ges_track_video_overlay_halignment:
* @self: the #GESTrackVideoOverlay* to set text on
* @halign: #GESTrackVideoTitleSrcHAlign
*
* Sets the vertical aligment of the text.
*/
void
ges_track_video_overlay_set_halignment (GESTrackVideoOverlay * self,
GESTrackVideoTitleSrcHAlign halign)
{
self->halign = halign;
GST_LOG ("set halignment to: %d", halign);
if (self->text_el)
g_object_set (self->text_el, "halignment", halign, NULL);
}
GESTrackVideoOverlay *
ges_track_video_overlay_new (void)
{
return g_object_new (GES_TYPE_TRACK_VIDEO_OVERLAY, NULL);
}

94
ges/ges-track-video-overlay.h Normal file
View file

@ -0,0 +1,94 @@
/* GStreamer Editing Services
* Copyright (C) 2010 Brandon Lewis <brandon.lewis@collabora.co.uk>
* 2010 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.
*/
#ifndef _GES_TRACK_VIDEO_OVERLAY
#define _GES_TRACK_VIDEO_OVERLAY
#include <glib-object.h>
#include <ges/ges-types.h>
#include <ges/ges-track-video-title-source.h>
#include <ges/ges-track-overlay.h>
G_BEGIN_DECLS
#define GES_TYPE_TRACK_VIDEO_OVERLAY ges_track_video_overlay_get_type()
#define GES_TRACK_VIDEO_OVERLAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TRACK_VIDEO_OVERLAY, GESTrackVideoOverlay))
#define GES_TRACK_VIDEO_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TRACK_VIDEO_OVERLAY, GESTrackVideoOverlayClass))
#define GES_IS_TRACK_VIDEO_OVERLAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TRACK_VIDEO_OVERLAY))
#define GES_IS_TRACK_VIDEO_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TRACK_VIDEO_OVERLAY))
#define GES_TRACK_VIDEO_OVERLAY_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TRACK_VIDEO_OVERLAY, GESTrackVideoOverlayClass))
/**
* GESTrackVideoOverlay:
* @parent: parent
*
*/
struct _GESTrackVideoOverlay {
GESTrackOverlay parent;
/*< private >*/
gchar *text;
gchar *font_desc;
gint halign;
gint valign;
GstElement *text_el;
};
/**
* GESTrackVideoOverlayClass:
* @parent_class: parent class
*/
struct _GESTrackVideoOverlayClass {
GESTrackOverlayClass parent_class;
/*< private >*/
};
GType ges_track_video_overlay_get_type (void);
void ges_track_video_overlay_set_text(GESTrackVideoOverlay *self, const
gchar *text);
void ges_track_video_overlay_set_font_desc(GESTrackVideoOverlay *self,
const gchar *font_desc);
void ges_track_video_overlay_set_halignment(GESTrackVideoOverlay
*self, GESTrackVideoTitleSrcHAlign halgn);
void ges_track_video_overlay_set_valignment(GESTrackVideoOverlay
*self, GESTrackVideoTitleSrcVAlign valign);
GESTrackVideoOverlay* ges_track_video_overlay_new (void);
G_END_DECLS
#endif /* _GES_TRACK_VIDEO_OVERLAY */

5
ges/ges-types.h
View file

@ -108,4 +108,9 @@ typedef struct _GESTrackOverlay GESTrackOverlay;
typedef struct _GESTrackOverlayClass
GESTrackOverlayClass;
typedef struct _GESTrackVideoOverlay GESTrackVideoOverlay;
typedef struct _GESTrackVideoOverlayClass
GESTrackVideoOverlayClass;
#endif /* __GES_TYPES_H__ */