/* GStreamer

 * Copyright (C) 2007 David Schleef <ds@schleef.org>

 *

 * 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_APP_SINK_H_

#define _GST_APP_SINK_H_

#include <gst/gst.h>

#include <gst/base/gstbasesink.h>

G_BEGIN_DECLS

#define GST_TYPE_APP_SINK \

  (gst_app_sink_get_type())

#define GST_APP_SINK(obj) \

  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_APP_SINK,GstAppSink))

#define GST_APP_SINK_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_APP_SINK,GstAppSinkClass))

#define GST_IS_APP_SINK(obj) \

  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_APP_SINK))

#define GST_IS_APP_SINK_CLASS(klass) \

  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_APP_SINK))

/* Since 0.10.23 */

#define GST_APP_SINK_CAST(obj) \

  ((GstAppSink*)(obj))

typedef struct _GstAppSink GstAppSink;

typedef struct _GstAppSinkClass GstAppSinkClass;

typedef struct _GstAppSinkPrivate GstAppSinkPrivate;

/**

 * GstAppSinkCallbacks:

 * @eos: Called when the end-of-stream has been reached. This callback

 *       is called from the steaming thread.

 * @new_preroll: Called when a new preroll buffer is available. 

 *       This callback is called from the steaming thread.

 *       The new preroll buffer can be retrieved with

 *       gst_app_sink_pull_preroll() either from this callback

 *       or from any other thread.

 * @new_buffer: Called when a new buffer is available. 

 *       This callback is called from the steaming thread.

 *       The new buffer can be retrieved with

 *       gst_app_sink_pull_buffer() either from this callback

 *       or from any other thread.

 *

 * A set of callbacks that can be installed on the appsink with

 * gst_app_sink_set_callbacks().

 *

 * Since: 0.10.23

 */

typedef struct {

  void          (*eos)           (GstAppSink *sink, gpointer user_data);

  GstFlowReturn (*new_preroll)   (GstAppSink *sink, gpointer user_data);

  GstFlowReturn (*new_buffer)    (GstAppSink *sink, gpointer user_data);

  /*< private >*/

  gpointer     _gst_reserved[GST_PADDING];

} GstAppSinkCallbacks;

struct _GstAppSink

{

  GstBaseSink basesink;

  /*< private >*/

  GstAppSinkPrivate *priv;

  /*< private >*/

  gpointer     _gst_reserved[GST_PADDING];

};

struct _GstAppSinkClass

{

  GstBaseSinkClass basesink_class;

  /* signals */

  void        (*eos)          (GstAppSink *sink);

  void        (*new_preroll)  (GstAppSink *sink);

  void        (*new_buffer)   (GstAppSink *sink);

  /* actions */

  GstBuffer * (*pull_preroll)  (GstAppSink *sink);

  GstBuffer * (*pull_buffer)   (GstAppSink *sink);

  /*< private >*/

  gpointer     _gst_reserved[GST_PADDING];

};

IMPORT_C GType gst_app_sink_get_type(void);

IMPORT_C void            gst_app_sink_set_caps       (GstAppSink *appsink, const GstCaps *caps);

IMPORT_C GstCaps *       gst_app_sink_get_caps       (GstAppSink *appsink);

IMPORT_C gboolean        gst_app_sink_is_eos         (GstAppSink *appsink);

IMPORT_C void            gst_app_sink_set_emit_signals (GstAppSink *appsink, gboolean emit);

IMPORT_C gboolean        gst_app_sink_get_emit_signals (GstAppSink *appsink);

IMPORT_C void            gst_app_sink_set_max_buffers  (GstAppSink *appsink, guint max);

IMPORT_C guint           gst_app_sink_get_max_buffers  (GstAppSink *appsink);

IMPORT_C void            gst_app_sink_set_drop         (GstAppSink *appsink, gboolean drop);

IMPORT_C gboolean        gst_app_sink_get_drop         (GstAppSink *appsink);

IMPORT_C GstBuffer *     gst_app_sink_pull_preroll   (GstAppSink *appsink);

IMPORT_C GstBuffer *     gst_app_sink_pull_buffer    (GstAppSink *appsink);

IMPORT_C void            gst_app_sink_set_callbacks    (GstAppSink * appsink,

                                               GstAppSinkCallbacks *callbacks,

					       gpointer user_data,

					       GDestroyNotify notify);

G_END_DECLS

#endif