gstreamer/subprojects/gst-plugins-base/gst/playback/gstsubtitleoverlay.h

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/* GStreamer
* Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_SUBTITLE_OVERLAY_H__
#define __GST_SUBTITLE_OVERLAY_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_SUBTITLE_OVERLAY \
(gst_subtitle_overlay_get_type())
#define GST_SUBTITLE_OVERLAY(obj) \
(G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_SUBTITLE_OVERLAY, GstSubtitleOverlay))
#define GST_SUBTITLE_OVERLAY_CAST(obj) \
((GstSubtitleOverlay *) obj)
#define GST_SUBTITLE_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_SUBTITLE_OVERLAY, GstSubtitleOverlayClass))
#define GST_IS_SUBTITLE_OVERLAY(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_SUBTITLE_OVERLAY))
#define GST_IS_SUBTITLE_OVERLAY_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_SUBTITLE_OVERLAY))
#define GST_SUBTITLE_OVERLAY_LOCK(obj) G_STMT_START { \
GST_LOG_OBJECT (obj, \
"locking from thread %p", \
g_thread_self ()); \
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g_mutex_lock (&GST_SUBTITLE_OVERLAY_CAST(obj)->lock); \
GST_LOG_OBJECT (obj, \
"locked from thread %p", \
g_thread_self ()); \
} G_STMT_END
#define GST_SUBTITLE_OVERLAY_UNLOCK(obj) G_STMT_START { \
GST_LOG_OBJECT (obj, \
"unlocking from thread %p", \
g_thread_self ()); \
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g_mutex_unlock (&GST_SUBTITLE_OVERLAY_CAST(obj)->lock); \
} G_STMT_END
typedef struct _GstSubtitleOverlay GstSubtitleOverlay;
typedef struct _GstSubtitleOverlayClass GstSubtitleOverlayClass;
struct _GstSubtitleOverlay
{
GstBin parent;
gboolean silent;
gchar *font_desc;
gchar *encoding;
gint64 subtitle_ts_offset;
/* < private > */
gboolean do_async;
GstPad *srcpad;
gboolean downstream_chain_error;
GstPad *video_sinkpad;
GstPad *video_block_pad;
gulong video_block_id;
gboolean video_sink_blocked;
gint fps_n, fps_d;
GstPad *subtitle_sinkpad;
GstPad *subtitle_block_pad;
gulong subtitle_block_id;
gboolean subtitle_sink_blocked;
gboolean subtitle_flush;
gboolean subtitle_error;
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GMutex factories_lock;
GList *factories;
guint32 factories_cookie;
GstCaps *factory_caps;
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GMutex lock;
GstCaps *subcaps;
GstElement *passthrough_identity;
GstElement *pre_colorspace;
GstElement *post_colorspace;
GstElement *parser;
GstElement *overlay;
GstElement *renderer;
const gchar *silent_property;
gboolean silent_property_invert;
};
struct _GstSubtitleOverlayClass
{
GstBinClass parent;
};
GType gst_subtitle_overlay_get_type (void);
GstCaps *gst_subtitle_overlay_create_factory_caps (void);
G_END_DECLS
#endif /* __GST_SUBTITLE_OVERLAY_H__ */