gstreamer/gst/dvbsuboverlay/gstdvbsuboverlay.h

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/* GStreamer DVB subtitles overlay
* Copyright (c) 2010 Mart Raudsepp <mart.raudsepp@collabora.co.uk>
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* Copyright (c) 2010 ONELAN Ltd.
*
* 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_DVBSUB_OVERLAY_H__
#define __GST_DVBSUB_OVERLAY_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/video-overlay-composition.h>
#include "dvb-sub.h"
G_BEGIN_DECLS
#define GST_TYPE_DVBSUB_OVERLAY (gst_dvbsub_overlay_get_type())
#define GST_DVBSUB_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVBSUB_OVERLAY,GstDVBSubOverlay))
#define GST_DVBSUB_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVBSUB_OVERLAY,GstDVBSubOverlayClass))
#define GST_IS_DVBSUB_OVERLAY(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVBSUB_OVERLAY))
#define GST_IS_DVBSUB_OVERLAY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVBSUB_OVERLAY))
typedef struct _GstDVBSubOverlay GstDVBSubOverlay;
typedef struct _GstDVBSubOverlayClass GstDVBSubOverlayClass;
struct _GstDVBSubOverlay
{
GstElement element;
GstPad *video_sinkpad, *text_sinkpad, *srcpad;
/* properties */
gboolean enable;
gint max_page_timeout;
gboolean force_end;
/* <private> */
GstSegment video_segment;
GstSegment subtitle_segment;
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GstVideoInfo info;
DVBSubtitles *current_subtitle; /* The currently active set of subtitle regions, if any */
GstVideoOverlayComposition *current_comp;
GQueue *pending_subtitles; /* A queue of raw subtitle region sets with
* metadata that are waiting their running time */
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GMutex dvbsub_mutex; /* protects the queue and the DvbSub instance */
DvbSub *dvb_sub;
/* subtitle data submitted to dvb_sub but no sub received yet */
gboolean pending_sub;
/* last text pts */
GstClockTime last_text_pts;
gboolean attach_compo_to_buffer;
};
struct _GstDVBSubOverlayClass
{
GstElementClass parent_class;
};
GType gst_dvbsub_overlay_get_type (void);
G_END_DECLS
#endif