Commit ce533980 authored by Stefan Kost's avatar Stefan Kost
Browse files

Add new interface to control video orientation (fixes #354908)

Original commit message from CVS:
* docs/libs/gst-plugins-base-libs-docs.sgml:
* docs/libs/gst-plugins-base-libs.types:
* gst-libs/gst/interfaces/Makefile.am:
* gst-libs/gst/interfaces/videoorientation.c:
(gst_video_orientation_get_type),
(gst_video_orientation_iface_init),
(gst_video_orientation_get_hflip),
(gst_video_orientation_get_vflip),
(gst_video_orientation_get_hcenter),
(gst_video_orientation_get_vcenter),
(gst_video_orientation_set_hflip),
(gst_video_orientation_set_vflip),
(gst_video_orientation_set_hcenter),
(gst_video_orientation_set_vcenter):
* gst-libs/gst/interfaces/videoorientation.h:
Add new interface to control video orientation (fixes #354908)
parent 935f4690
2006-09-18 Stefan Kost,,, <ensonic@users.sf.net>
* docs/libs/gst-plugins-base-libs-docs.sgml:
* docs/libs/gst-plugins-base-libs.types:
* gst-libs/gst/interfaces/Makefile.am:
* gst-libs/gst/interfaces/videoorientation.c:
(gst_video_orientation_get_type),
(gst_video_orientation_iface_init),
(gst_video_orientation_get_hflip),
(gst_video_orientation_get_vflip),
(gst_video_orientation_get_hcenter),
(gst_video_orientation_get_vcenter),
(gst_video_orientation_set_hflip),
(gst_video_orientation_set_vflip),
(gst_video_orientation_set_hcenter),
(gst_video_orientation_set_vcenter):
* gst-libs/gst/interfaces/videoorientation.h:
Add new interface to control video orientation (fixes #354908)
2006-09-18 Stefan Kost <ensonic@users.sf.net>
 
* gst/videotestsrc/gstvideotestsrc.c:
......@@ -30,6 +30,7 @@
<!ENTITY GstTuner SYSTEM "xml/gsttuner.xml">
<!ENTITY GstTunerChannel SYSTEM "xml/gsttunerchannel.xml">
<!ENTITY GstTunerNorm SYSTEM "xml/gsttunernorm.xml">
<!ENTITY GstVideoOrientation SYSTEM "xml/gstvideoorientation.xml">
<!ENTITY GstXOverlay SYSTEM "xml/gstxoverlay.xml">
<!-- netbuffer -->
<!ENTITY GstNetBuffer SYSTEM "xml/gstnetbuffer.xml">
......@@ -123,6 +124,7 @@
&GstTuner;
&GstTunerChannel;
&GstTunerNorm;
&GstVideoorientation;
&GstXOverlay;
</chapter>
......
......@@ -36,6 +36,8 @@ gst_property_probe_get_type
gst_tuner_get_type
gst_tuner_channel_get_type
gst_tuner_norm_get_type
#include <gst/interfaces/videoorientation.h>
gst_video_orientation_get_type
#include <gst/interfaces/xoverlay.h>
gst_x_overlay_get_type
......
......@@ -13,6 +13,7 @@ headers_interfaces = \
tuner.h \
tunernorm.h \
tunerchannel.h \
videoorientation.h \
xoverlay.h
# variables used for enum/marshal generation
......@@ -47,6 +48,7 @@ libgstinterfaces_@GST_MAJORMINOR@_la_SOURCES = \
tuner.c \
tunernorm.c \
tunerchannel.c \
videoorientation.c \
xoverlay.c
nodist_libgstinterfaces_@GST_MAJORMINOR@_la_SOURCES = \
......
/* GStreamer
* Copyright (C) 2006 Nokia <stefan.kost@nokia.com>
*
* videoorientation.c: video flipping and centering interface
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "videoorientation.h"
#include "interfaces-marshal.h"
#include <string.h>
/**
* SECTION:gstvideoorientation
* @short_description: Interface for elements providing video orientation
* controls
*
* The interface allows unified access to control flipping and autocenter
* operation of video-sources or operators.
*/
static void gst_video_orientation_iface_init (GstVideoOrientationInterface *
iface);
GType
gst_video_orientation_get_type (void)
{
static GType gst_video_orientation_type = 0;
if (!gst_video_orientation_type) {
static const GTypeInfo gst_video_orientation_info = {
sizeof (GstVideoOrientationInterface),
(GBaseInitFunc) gst_video_orientation_iface_init,
NULL,
NULL,
NULL,
NULL,
0,
0,
NULL,
};
gst_video_orientation_type = g_type_register_static (G_TYPE_INTERFACE,
"GstVideoOrientation", &gst_video_orientation_info, 0);
g_type_interface_add_prerequisite (gst_video_orientation_type,
GST_TYPE_IMPLEMENTS_INTERFACE);
}
return gst_video_orientation_type;
}
static void
gst_video_orientation_iface_init (GstVideoOrientationInterface * iface)
{
/* default virtual functions */
iface->get_hflip = NULL;
iface->get_vflip = NULL;
iface->get_hcenter = NULL;
iface->get_vcenter = NULL;
iface->set_hflip = NULL;
iface->set_vflip = NULL;
iface->set_hcenter = NULL;
iface->set_vcenter = NULL;
}
/**
* gst_video_orientation_get_hflip:
* @video_orientation: #GstVideoOrientation interface of a #GstElement
* @flip: return location for the result
*
* Get the horizontal flipping state (%TRUE for flipped) from the given object.
*
* Returns: %TRUE in case the element supports flipping
*/
gboolean
gst_video_orientation_get_hflip (GstVideoOrientation * video_orientation,
gboolean * flip)
{
GstVideoOrientationInterface *iface =
GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
if (iface->get_hflip) {
return iface->get_hflip (video_orientation, flip);
}
return FALSE;
}
/**
* gst_video_orientation_get_vflip:
* @video_orientation: #GstVideoOrientation interface of a #GstElement
* @flip: return location for the result
*
* Get the vertical flipping state (%TRUE for flipped) from the given object.
*
* Returns: %TRUE in case the element supports flipping
*/
gboolean
gst_video_orientation_get_vflip (GstVideoOrientation * video_orientation,
gboolean * flip)
{
GstVideoOrientationInterface *iface =
GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
if (iface->get_vflip) {
return iface->get_vflip (video_orientation, flip);
}
return FALSE;
}
/**
* gst_video_orientation_get_hcenter:
* @video_orientation: #GstVideoOrientation interface of a #GstElement
* @center: return location for the result
*
* Get the horizontal centering offset from the given object.
*
* Returns: %TRUE in case the element supports centering
*/
gboolean
gst_video_orientation_get_hcenter (GstVideoOrientation * video_orientation,
gint * center)
{
GstVideoOrientationInterface *iface =
GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
if (iface->get_hcenter) {
return iface->get_hcenter (video_orientation, center);
}
return FALSE;
}
/**
* gst_video_orientation_get_vcenter:
* @video_orientation: #GstVideoOrientation interface of a #GstElement
* @center: return location for the result
*
* Get the vertical centering offset from the given object.
*
* Returns: %TRUE in case the element supports centering
*/
gboolean
gst_video_orientation_get_vcenter (GstVideoOrientation * video_orientation,
gint * center)
{
GstVideoOrientationInterface *iface =
GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
if (iface->get_vcenter) {
return iface->get_vcenter (video_orientation, center);
}
return FALSE;
}
/**
* gst_video_orientation_set_hflip:
* @video_orientation: #GstVideoOrientation interface of a #GstElement
* @flip: use flipping
*
* Set the horizontal flipping state (%TRUE for flipped) for the given object.
*
* Returns: %TRUE in case the element supports flipping
*/
gboolean
gst_video_orientation_set_hflip (GstVideoOrientation * video_orientation,
gboolean flip)
{
GstVideoOrientationInterface *iface =
GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
if (iface->set_hflip) {
return iface->set_hflip (video_orientation, flip);
}
return FALSE;
}
/**
* gst_video_orientation_set_vflip:
* @video_orientation: #GstVideoOrientation interface of a #GstElement
* @flip: use flipping
*
* Set the vertical flipping state (%TRUE for flipped) for the given object.
*
* Returns: %TRUE in case the element supports flipping
*/
gboolean
gst_video_orientation_set_vflip (GstVideoOrientation * video_orientation,
gboolean flip)
{
GstVideoOrientationInterface *iface =
GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
if (iface->set_vflip) {
return iface->set_vflip (video_orientation, flip);
}
return FALSE;
}
/**
* gst_video_orientation_set_hcenter:
* @video_orientation: #GstVideoOrientation interface of a #GstElement
* @center: centering offset
*
* Set the horizontal centering offset for the given object.
*
* Returns: %TRUE in case the element supports centering
*/
gboolean
gst_video_orientation_set_hcenter (GstVideoOrientation * video_orientation,
gint center)
{
GstVideoOrientationInterface *iface =
GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
if (iface->set_hcenter) {
return iface->set_hcenter (video_orientation, center);
}
return FALSE;
}
/**
* gst_video_orientation_set_vcenter:
* @video_orientation: #GstVideoOrientation interface of a #GstElement
* @center: centering offset
*
* Set the vertical centering offset for the given object.
*
* Returns: %TRUE in case the element supports centering
*/
gboolean
gst_video_orientation_set_vcenter (GstVideoOrientation * video_orientation,
gint center)
{
GstVideoOrientationInterface *iface =
GST_VIDEO_ORIENTATION_GET_IFACE (video_orientation);
if (iface->set_vcenter) {
return iface->set_vcenter (video_orientation, center);
}
return FALSE;
}
/* GStreamer
* Copyright (C) 2006 Nokia <stefan.kost@nokia.com
*
* videoorientation.h: video flipping and centering interface
*
* 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 __GST_VIDEO_ORIENTATION_H__
#define __GST_VIDEO_ORIENTATION_H__
#include <gst/gst.h>
#include <gst/interfaces/interfaces-enumtypes.h>
G_BEGIN_DECLS
#define GST_TYPE_VIDEO_ORIENTATION \
(gst_video_orientation_get_type ())
#define GST_VIDEO_ORIENTATION(obj) \
(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VIDEO_ORIENTATION, GstVideoOrientation))
#define GST_IS_VIDEO_ORIENTATION(obj) \
(GST_IMPLEMENTS_INTERFACE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VIDEO_ORIENTATION))
#define GST_VIDEO_ORIENTATION_GET_IFACE(inst) \
(G_TYPE_INSTANCE_GET_INTERFACE ((inst), GST_TYPE_VIDEO_ORIENTATION, GstVideoOrientationInterface))
typedef struct _GstVideoOrientation GstVideoOrientation;
typedef struct _GstVideoOrientationInterface {
GTypeInterface parent;
/* virtual functions */
gboolean (* get_hflip) (GstVideoOrientation *video_orientation, gboolean *flip);
gboolean (* get_vflip) (GstVideoOrientation *video_orientation, gboolean *flip);
gboolean (* get_hcenter) (GstVideoOrientation *video_orientation, gint *center);
gboolean (* get_vcenter) (GstVideoOrientation *video_orientation, gint *center);
gboolean (* set_hflip) (GstVideoOrientation *video_orientation, gboolean flip);
gboolean (* set_vflip) (GstVideoOrientation *video_orientation, gboolean flip);
gboolean (* set_hcenter) (GstVideoOrientation *video_orientation, gint center);
gboolean (* set_vcenter) (GstVideoOrientation *video_orientation, gint center);
gpointer _gst_reserved[GST_PADDING];
} GstVideoOrientationInterface;
GType gst_video_orientation_get_type (void);
/* virtual class function wrappers */
gboolean gst_video_orientation_get_hflip (GstVideoOrientation *video_orientation, gboolean *flip);
gboolean gst_video_orientation_get_vflip (GstVideoOrientation *video_orientation, gboolean *flip);
gboolean gst_video_orientation_get_hcenter (GstVideoOrientation *video_orientation, gint *center);
gboolean gst_video_orientation_get_vcenter (GstVideoOrientation *video_orientation, gint *center);
gboolean gst_video_orientation_set_hflip (GstVideoOrientation *video_orientation, gboolean flip);
gboolean gst_video_orientation_set_vflip (GstVideoOrientation *video_orientation, gboolean flip);
gboolean gst_video_orientation_set_hcenter (GstVideoOrientation *video_orientation, gint center);
gboolean gst_video_orientation_set_vcenter (GstVideoOrientation *video_orientation, gint center);
G_END_DECLS
#endif /* __GST_VIDEO_ORIENTATION_H__ */
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment