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check in timelineoverlay, structural copy of GESTimelineTitleSource

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Brandon Lewis 2010-06-21 15:47:04 +02:00 committed by Edward Hervey
parent b629c98f0b
commit 586530eba0
6 changed files with 532 additions and 0 deletions
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16
docs/libs/ges-sections.txt
View file

@ -359,6 +359,22 @@ GES_TIMELINE_TITLE_SOURCE_CLASS
GES_TIMELINE_TITLE_SOURCE_GET_CLASS
</SECTION>
<SECTION>
<FILE>ges-timeline-overlay</FILE>
<TITLE>GESTimelineOverlay</TITLE>
GESTimelineOverlay
GESTimelineOverlayClass
ges_timeline_overlay_new
ges_tl_overlay_get_type
<SUBSECTION Standard>
GES_IS_TIMELINE_OVERLAY
GES_IS_TIMELINE_OVERLAY_CLASS
GES_TIMELINE_OVERLAY
GES_TIMELINE_OVERLAY_CLASS
GES_TIMELINE_OVERLAY_GET_CLASS
GES_TYPE_TIMELINE_OVERLAY
</SECTION>
<SECTION>
<FILE>ges-track-video-background-source</FILE>
<TITLE>GESTrackVideoBackgroundSource</TITLE>

2
ges/Makefile.am
View file

@ -20,6 +20,7 @@ libges_@GST_MAJORMINOR@_la_SOURCES = \
ges-timeline-transition.c \
ges-timeline-background-source.c \
ges-timeline-title-source.c \
ges-timeline-overlay.c \
ges-track.c \
ges-track-object.c \
ges-track-source.c \
@ -51,6 +52,7 @@ libges_@GST_MAJORMINOR@include_HEADERS = \
ges-timeline-transition.h \
ges-timeline-background-source.h \
ges-timeline-title-source.h \
ges-timeline-overlay.h \
ges-track.h \
ges-track-object.h \
ges-track-source.h \

427
ges/ges-timeline-overlay.c Normal file
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@ -0,0 +1,427 @@
/* 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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/**
* SECTION:ges-timeline-overlay
* @short_description: An object for manipulating media files in a GESTimeline
*
* Represents all the output treams from a particular uri. It is assumed that
* the URI points to a file of some type.
*/
#include "ges-internal.h"
#include "ges-timeline-overlay.h"
#include "ges-timeline-source.h"
#include "ges-track-object.h"
#include "ges-track-video-title-source.h"
//#include "ges-track-video-overlay.h"
//#include "ges-track-audio-overlay.h"
#include <string.h>
G_DEFINE_TYPE (GESTimelineOverlay, ges_tl_overlay, GES_TYPE_TIMELINE_SOURCE);
#define DEFAULT_PROP_TEXT ""
#define DEFAULT_PROP_FONT_DESC DEFAULT_FONT_DESC
#define DEFAULT_PROP_VALIGNMENT DEFAULT_VALIGNMENT
#define DEFAULT_PROP_HALIGNMENT DEFAULT_HALIGNMENT
#define GES_TIMELINE_TITLE_SRC_VALIGN_TYPE (ges_timeline_overlay_valign_get_type())
#define GES_TIMELINE_TITLE_SRC_HALIGN_TYPE (ges_timeline_overlay_halign_get_type())
enum
{
PROP_0,
PROP_MUTE,
PROP_TEXT,
PROP_FONT_DESC,
PROP_HALIGNMENT,
PROP_VALIGNMENT,
};
static void ges_tl_overlay_set_mute (GESTimelineOverlay * self, gboolean mute);
static void
ges_tl_overlay_set_text (GESTimelineOverlay * self, const gchar * text);
static void
ges_tl_overlay_set_font_desc (GESTimelineOverlay * self, const gchar *
font_desc);
static void
ges_tl_overlay_set_valign (GESTimelineOverlay * self,
GESTrackVideoTitleSrcVAlign);
static void
ges_tl_overlay_set_halign (GESTimelineOverlay * self,
GESTrackVideoTitleSrcHAlign);
static GESTrackObject
* ges_tl_overlay_create_track_object (GESTimelineObject * obj,
GESTrack * track);
static GType ges_timeline_overlay_valign_get_type (void);
static GType ges_timeline_overlay_halign_get_type (void);
static void
ges_tl_overlay_get_property (GObject * object, guint property_id,
GValue * value, GParamSpec * pspec)
{
GESTimelineOverlay *tfs = GES_TIMELINE_OVERLAY (object);
switch (property_id) {
case PROP_MUTE:
g_value_set_boolean (value, tfs->mute);
break;
case PROP_TEXT:
g_value_set_string (value, tfs->text);
break;
case PROP_FONT_DESC:
g_value_set_string (value, tfs->font_desc);
break;
case PROP_HALIGNMENT:
g_value_set_enum (value, tfs->halign);
break;
case PROP_VALIGNMENT:
g_value_set_enum (value, tfs->valign);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_tl_overlay_set_property (GObject * object, guint property_id,
const GValue * value, GParamSpec * pspec)
{
GESTimelineOverlay *tfs = GES_TIMELINE_OVERLAY (object);
switch (property_id) {
case PROP_MUTE:
ges_tl_overlay_set_mute (tfs, g_value_get_boolean (value));
break;
case PROP_TEXT:
ges_tl_overlay_set_text (tfs, g_value_get_string (value));
break;
case PROP_FONT_DESC:
ges_tl_overlay_set_font_desc (tfs, g_value_get_string (value));
break;
case PROP_HALIGNMENT:
ges_tl_overlay_set_halign (tfs, g_value_get_enum (value));
break;
case PROP_VALIGNMENT:
ges_tl_overlay_set_valign (tfs, g_value_get_enum (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
}
}
static void
ges_tl_overlay_dispose (GObject * object)
{
GESTimelineOverlay *self = GES_TIMELINE_OVERLAY (object);
if (self->text)
g_free (self->text);
if (self->font_desc)
g_free (self->font_desc);
G_OBJECT_CLASS (ges_tl_overlay_parent_class)->dispose (object);
}
static void
ges_tl_overlay_finalize (GObject * object)
{
G_OBJECT_CLASS (ges_tl_overlay_parent_class)->finalize (object);
}
static void
ges_tl_overlay_class_init (GESTimelineOverlayClass * klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GESTimelineObjectClass *timobj_class = GES_TIMELINE_OBJECT_CLASS (klass);
object_class->get_property = ges_tl_overlay_get_property;
object_class->set_property = ges_tl_overlay_set_property;
object_class->dispose = ges_tl_overlay_dispose;
object_class->finalize = ges_tl_overlay_finalize;
/**
* GESTimelineOverlay:text
*
* The text to diplay
*/
g_object_class_install_property (object_class, PROP_TEXT,
g_param_spec_string ("text", "Text", "The text to display",
DEFAULT_PROP_TEXT, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
/**
* GESTimelineOverlay:font-dec
*
* Pango font description string
*/
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_FONT_DESC,
g_param_spec_string ("font-desc", "font description",
"Pango font description of font to be used for rendering. "
"See documentation of pango_font_description_from_string "
"for syntax.", DEFAULT_PROP_FONT_DESC,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GESTimelineOverlay:valignment
*
* Vertical alignent of the text
*/
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_VALIGNMENT,
g_param_spec_enum ("valignment", "vertical alignment",
"Vertical alignment of the text", GES_TIMELINE_TITLE_SRC_VALIGN_TYPE,
DEFAULT_PROP_VALIGNMENT, G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GESTimelineOverlay:halignment
*
* Horizontal alignment of the text
*/
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_HALIGNMENT,
g_param_spec_enum ("halignment", "horizontal alignment",
"Horizontal alignment of the text",
GES_TIMELINE_TITLE_SRC_HALIGN_TYPE, DEFAULT_PROP_HALIGNMENT,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
/**
* GESTimelineOverlay: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_overlay_create_track_object;
timobj_class->need_fill_track = FALSE;
}
static void
ges_tl_overlay_init (GESTimelineOverlay * self)
{
GES_TIMELINE_OBJECT (self)->duration = 0;
self->text = NULL;
self->text = NULL;
self->halign = DEFAULT_PROP_HALIGNMENT;
self->valign = DEFAULT_PROP_VALIGNMENT;
}
static GType
ges_timeline_overlay_valign_get_type (void)
{
static GType text_overlay_valign_type = 0;
static gsize initialized = 0;
static const GEnumValue text_overlay_valign[] = {
{GES_TRACK_VIDEO_TITLE_SRC_VALIGN_BASELINE, "baseline", "baseline"},
{GES_TRACK_VIDEO_TITLE_SRC_VALIGN_BOTTOM, "bottom", "bottom"},
{GES_TRACK_VIDEO_TITLE_SRC_VALIGN_TOP, "top", "top"},
{0, NULL, NULL},
};
if (g_once_init_enter (&initialized)) {
text_overlay_valign_type =
g_enum_register_static ("GESTimelineOverlayVAlign",
text_overlay_valign);
g_once_init_leave (&initialized, 1);
}
return text_overlay_valign_type;
}
static GType
ges_timeline_overlay_halign_get_type (void)
{
static GType text_overlay_halign_type = 0;
static gsize initialized = 0;
static const GEnumValue text_overlay_halign[] = {
{GES_TRACK_VIDEO_TITLE_SRC_HALIGN_LEFT, "left", "left"},
{GES_TRACK_VIDEO_TITLE_SRC_HALIGN_CENTER, "center", "center"},
{GES_TRACK_VIDEO_TITLE_SRC_HALIGN_RIGHT, "right", "right"},
{0, NULL, NULL},
};
if (g_once_init_enter (&initialized)) {
text_overlay_halign_type =
g_enum_register_static ("GESTimelineOverlayHAlign",
text_overlay_halign);
g_once_init_leave (&initialized, 1);
}
return text_overlay_halign_type;
}
static void
ges_tl_overlay_set_text (GESTimelineOverlay * self, const gchar * text)
{
//GList *tmp;
//GESTimelineObject *object = (GESTimelineObject *) self;
GST_DEBUG ("self:%p, text:%s", self, text);
if (self->text)
g_free (self->text);
self->text = g_strdup (text);
#if 0
for (tmp = object->trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (trackobject->track->type == GES_TRACK_TYPE_VIDEO)
ges_track_video_overlay_set_text (GES_TRACK_VIDEO_OVERLAY
(trackobject), self->text);
}
#endif
}
static void
ges_tl_overlay_set_font_desc (GESTimelineOverlay * self, const gchar *
font_desc)
{
//GList *tmp;
//GESTimelineObject *object = (GESTimelineObject *) self;
GST_DEBUG ("self:%p, font_desc:%s", self, font_desc);
if (self->font_desc)
g_free (self->font_desc);
self->font_desc = g_strdup (font_desc);
#if 0
for (tmp = object->trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (trackobject->track->type == GES_TRACK_TYPE_VIDEO)
ges_track_video_overlay_set_font_desc (GES_TRACK_VIDEO_OVERLAY
(trackobject), self->font_desc);
}
#endif
}
static void
ges_tl_overlay_set_halign (GESTimelineOverlay * self,
GESTrackVideoTitleSrcHAlign halign)
{
//GList *tmp;
//GESTimelineObject *object = (GESTimelineObject *) self;
GST_DEBUG ("self:%p, halign:%d", self, halign);
self->halign = halign;
#if 0
for (tmp = object->trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (trackobject->track->type == GES_TRACK_TYPE_VIDEO)
ges_track_video_overlay_set_halignment (GES_TRACK_VIDEO_OVERLAY
(trackobject), self->halign);
}
#endif
}
static void
ges_tl_overlay_set_valign (GESTimelineOverlay * self,
GESTrackVideoTitleSrcVAlign valign)
{
//GList *tmp;
//GESTimelineObject *object = (GESTimelineObject *) self;
GST_DEBUG ("self:%p, valign:%d", self, valign);
self->valign = valign;
#if 0
for (tmp = object->trackobjects; tmp; tmp = tmp->next) {
GESTrackObject *trackobject = (GESTrackObject *) tmp->data;
if (trackobject->track->type == GES_TRACK_TYPE_VIDEO)
ges_track_video_overlay_set_valignment (GES_TRACK_VIDEO_OVERLAY
(trackobject), self->valign);
}
#endif
}
static void
ges_tl_overlay_set_mute (GESTimelineOverlay * 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_overlay_create_track_object (GESTimelineObject * obj, GESTrack * track)
{
#if 0
GESTimelineOverlay *tfs = (GESTimelineOverlay *) obj;
GESTrackObject *res = NULL;
GST_DEBUG ("Creating a GESTrackOverlay");
if (track->type == GES_TRACK_TYPE_VIDEO) {
res = (GESTrackObject *) ges_track_video_overlay_new ();
GST_DEBUG ("Setting text property");
ges_track_video_overlay_set_text ((GESTrackVideoOverlay *) res, tfs->text);
}
else if (track->type == GES_TRACK_TYPE_AUDIO) {
res = (GESTrackObject *) ges_track_audio_overlay_new ();
if (tfs->mute)
ges_track_object_set_active (res, FALSE);
}
else {
res = GES_TRACK_OBJECT (ges_track_overlay_new ());
}
return res;
#endif
return NULL;
}
/**
* ges_timeline_titlesource_new:
*
* Creates a new #GESTimelineOverlay
*
* Returns: The newly created #GESTimelineOverlay, or NULL if there was an
* error.
*/
GESTimelineOverlay *
ges_timeline_overlay_new (void)
{
/* FIXME : Check for validity/existence of URI */
return g_object_new (GES_TYPE_TIMELINE_OVERLAY, NULL);
}

83
ges/ges-timeline-overlay.h Normal file
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@ -0,0 +1,83 @@
/* GStreamer Editing Services
* Copyright (C) 2009 Brandon Lewis <brandon.lewis@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.
*/
#ifndef _GES_TL_OVERLAY
#define _GES_TL_OVERLAY
#include <glib-object.h>
#include <ges/ges-types.h>
#include <ges/ges-timeline-object.h>
#include <ges/ges-track.h>
G_BEGIN_DECLS
#define GES_TYPE_TIMELINE_OVERLAY ges_tl_overlay_get_type()
#define GES_TIMELINE_OVERLAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GES_TYPE_TIMELINE_OVERLAY, GESTimelineOverlay))
#define GES_TIMELINE_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GES_TYPE_TIMELINE_OVERLAY, GESTimelineOverlayClass))
#define GES_IS_TIMELINE_OVERLAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GES_TYPE_TIMELINE_OVERLAY))
#define GES_IS_TIMELINE_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GES_TYPE_TIMELINE_OVERLAY))
#define GES_TIMELINE_OVERLAY_GET_CLASS(obj) \
(G_TYPE_INSTANCE_GET_CLASS ((obj), GES_TYPE_TIMELINE_OVERLAY, GESTimelineOverlayClass))
/**
* GESTimelineOverlay:
* @parent: parent
*
*/
struct _GESTimelineOverlay {
GESTimelineObject parent;
/*< private >*/
gboolean mute;
gchar *text;
gchar *font_desc;
gint halign;
gint valign;
};
/**
* GESTimelineOverlayClass:
* @parent_class: parent class
*/
struct _GESTimelineOverlayClass {
GESTimelineObjectClass parent_class;
/*< public >*/
};
GType ges_tl_overlay_get_type (void);
GESTimelineOverlay* ges_timeline_overlay_new (void);
G_END_DECLS
#endif /* _GES_TL_OVERLAY */

3
ges/ges-types.h
View file

@ -54,6 +54,9 @@ typedef struct _GESTimelineBackgroundSourceClass GESTimelineBackgroundSourceClas
typedef struct _GESTimelineTitleSource GESTimelineTitleSource;
typedef struct _GESTimelineTitleSourceClass GESTimelineTitleSourceClass;
typedef struct _GESTimelineOverlay GESTimelineOverlay;
typedef struct _GESTimelineOverlayClass GESTimelineOverlayClass;
typedef struct _GESTrack GESTrack;
typedef struct _GESTrackClass GESTrackClass;

1
ges/ges.h
View file

@ -35,6 +35,7 @@
#include <ges/ges-timeline-transition.h>
#include <ges/ges-timeline-background-source.h>
#include <ges/ges-timeline-title-source.h>
#include <ges/ges-timeline-overlay.h>
#include <ges/ges-track.h>
#include <ges/ges-track-object.h>
#include <ges/ges-track-source.h>