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78 lines
2.3 KiB
C
78 lines
2.3 KiB
C
/* Video mixer pad
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* Copyright (C) 2008 Wim Taymans <wim@fluendo.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_VIDEO_MIXER_PAD_H__
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#define __GST_VIDEO_MIXER_PAD_H__
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#include <gst/gst.h>
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#include <gst/base/gstcollectpads.h>
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G_BEGIN_DECLS
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#define GST_TYPE_VIDEO_MIXER_PAD (gst_videomixer_pad_get_type())
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#define GST_VIDEO_MIXER_PAD(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_MIXER_PAD, GstVideoMixerPad))
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#define GST_VIDEO_MIXER_PAD_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_MIXER_PAD, GstVideoMixerPadiClass))
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#define GST_IS_VIDEO_MIXER_PAD(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_MIXER_PAD))
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#define GST_IS_VIDEO_MIXER_PAD_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_MIXER_PAD))
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typedef struct _GstVideoMixerPad GstVideoMixerPad;
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typedef struct _GstVideoMixerPadClass GstVideoMixerPadClass;
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typedef struct _GstVideoMixerCollect GstVideoMixerCollect;
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struct _GstVideoMixerCollect
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{
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GstCollectData collect; /* we extend the CollectData */
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GstBuffer *buffer; /* the queued buffer for this pad */
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GstVideoMixerPad *mixpad;
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};
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/* all information needed for one video stream */
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struct _GstVideoMixerPad
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{
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GstPad parent; /* subclass the pad */
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gint64 queued;
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guint in_width, in_height;
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gint fps_n;
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gint fps_d;
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gint par_n;
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gint par_d;
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gint xpos, ypos;
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guint zorder;
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gint blend_mode;
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gdouble alpha;
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GstVideoMixerCollect *mixcol;
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};
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struct _GstVideoMixerPadClass
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{
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GstPadClass parent_class;
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};
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G_END_DECLS
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#endif /* __GST_VIDEO_MIXER_PAD_H__ */
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