gstreamer/plugins/elements/gsttee.h
2012-07-14 20:05:53 +01:00

93 lines
2.4 KiB
C

/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gsttee.h: Header for GstTee element
*
* 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_TEE_H__
#define __GST_TEE_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_TEE \
(gst_tee_get_type())
#define GST_TEE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TEE,GstTee))
#define GST_TEE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TEE,GstTeeClass))
#define GST_IS_TEE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TEE))
#define GST_IS_TEE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TEE))
#define GST_TEE_CAST(obj) ((GstTee*) obj)
typedef struct _GstTee GstTee;
typedef struct _GstTeeClass GstTeeClass;
/**
* GstTeePullMode:
* @GST_TEE_PULL_MODE_NEVER: Never activate in pull mode.
* @GST_TEE_PULL_MODE_SINGLE: Only one src pad can be active in pull mode.
*
* The different ways that tee can behave in pull mode. @TEE_PULL_MODE_NEVER
* disables pull mode.
*/
typedef enum {
GST_TEE_PULL_MODE_NEVER,
GST_TEE_PULL_MODE_SINGLE,
} GstTeePullMode;
/**
* GstTee:
*
* Opaque #GstTee data structure.
*/
struct _GstTee {
GstElement element;
/*< private >*/
/* lock protecting dynamic pads */
GMutex dyn_lock;
GstPad *sinkpad;
GstPad *allocpad;
guint pad_counter;
gboolean has_chain;
gboolean silent;
gchar *last_message;
GstPadMode sink_mode;
GstTeePullMode pull_mode;
GstPad *pull_pad;
};
struct _GstTeeClass {
GstElementClass parent_class;
};
G_GNUC_INTERNAL GType gst_tee_get_type (void);
G_END_DECLS
#endif /* __GST_TEE_H__ */