gstreamer/gst/videomixer/videomixerpad.h

76 lines
2.3 KiB
C

/* Video mixer pad
* Copyright (C) 2008 Wim Taymans <wim@fluendo.com>
*
* 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_MIXER_PAD_H__
#define __GST_VIDEO_MIXER_PAD_H__
#include <gst/gst.h>
#include <gst/base/gstcollectpads.h>
G_BEGIN_DECLS
#define GST_TYPE_VIDEO_MIXER_PAD (gst_videomixer_pad_get_type())
#define GST_VIDEO_MIXER_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_MIXER_PAD, GstVideoMixerPad))
#define GST_VIDEO_MIXER_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_MIXER_PAD, GstVideoMixerPadiClass))
#define GST_IS_VIDEO_MIXER_PAD(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_MIXER_PAD))
#define GST_IS_VIDEO_MIXER_PAD_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_MIXER_PAD))
typedef struct _GstVideoMixerPad GstVideoMixerPad;
typedef struct _GstVideoMixerPadClass GstVideoMixerPadClass;
typedef struct _GstVideoMixerCollect GstVideoMixerCollect;
struct _GstVideoMixerCollect
{
GstCollectData collect; /* we extend the CollectData */
GstBuffer *buffer; /* the queued buffer for this pad */
GstVideoMixerPad *mixpad;
};
/* all information needed for one video stream */
struct _GstVideoMixerPad
{
GstPad parent; /* subclass the pad */
gint64 queued;
guint in_width, in_height;
gint fps_n;
gint fps_d;
gint xpos, ypos;
guint zorder;
gint blend_mode;
gdouble alpha;
GstVideoMixerCollect *mixcol;
};
struct _GstVideoMixerPadClass
{
GstPadClass parent_class;
};
G_END_DECLS
#endif /* __GST_VIDEO_MIXER_PAD_H__ */