/* 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., 51 Franklin St, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 */

#ifndef _GST_APP_SINK_H_

#define _GST_APP_SINK_H_

#include <gst/gst.h>

#include <gst/base/gstbasesink.h>

#include <gst/app/app-prelude.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))

#define GST_APP_SINK_CAST(obj) \

  ((GstAppSink*)(obj))

typedef struct _GstAppSink GstAppSink;

typedef struct _GstAppSinkClass GstAppSinkClass;

typedef struct _GstAppSinkPrivate GstAppSinkPrivate;

/* FIXME 2.0: Make the instance/class struct private */

/**

 * GstAppSinkCallbacks: (skip)

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

 *       is called from the streaming thread.

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

 *       This callback is called from the streaming thread.

 *       The new preroll sample can be retrieved with

 *       gst_app_sink_pull_preroll() either from this callback

 *       or from any other thread.

 * @new_sample: Called when a new sample is available.

 *       This callback is called from the streaming thread.

 *       The new sample can be retrieved with

 *       gst_app_sink_pull_sample() 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().

 */

typedef struct {

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

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

  GstFlowReturn (*new_sample)       (GstAppSink *appsink, 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 *appsink);

  GstFlowReturn (*new_preroll)      (GstAppSink *appsink);

  GstFlowReturn (*new_sample)       (GstAppSink *appsink);

  /* actions */

  GstSample *   (*pull_preroll)      (GstAppSink *appsink);

  GstSample *   (*pull_sample)       (GstAppSink *appsink);

  GstSample *   (*try_pull_preroll)  (GstAppSink *appsink, GstClockTime timeout);

  GstSample *   (*try_pull_sample)   (GstAppSink *appsink, GstClockTime timeout);

  /*< private >*/

  gpointer     _gst_reserved[GST_PADDING - 2];

};

GST_APP_API

GType           gst_app_sink_get_type         (void);

GST_APP_API

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

GST_APP_API

GstCaps *       gst_app_sink_get_caps         (GstAppSink *appsink);

GST_APP_API

gboolean        gst_app_sink_is_eos           (GstAppSink *appsink);

GST_APP_API

void            gst_app_sink_set_emit_signals (GstAppSink *appsink, gboolean emit);

GST_APP_API

gboolean        gst_app_sink_get_emit_signals (GstAppSink *appsink);

GST_APP_API

void            gst_app_sink_set_max_buffers  (GstAppSink *appsink, guint max);

GST_APP_API

guint           gst_app_sink_get_max_buffers  (GstAppSink *appsink);

GST_APP_API

void            gst_app_sink_set_drop         (GstAppSink *appsink, gboolean drop);

GST_APP_API

gboolean        gst_app_sink_get_drop         (GstAppSink *appsink);

GST_APP_API

void            gst_app_sink_set_buffer_list_support  (GstAppSink *appsink, gboolean enable_lists);

GST_APP_API

gboolean        gst_app_sink_get_buffer_list_support  (GstAppSink *appsink);

GST_APP_API

void            gst_app_sink_set_wait_on_eos  (GstAppSink *appsink, gboolean wait);

GST_APP_API

gboolean        gst_app_sink_get_wait_on_eos  (GstAppSink *appsink);

GST_APP_API

GstSample *     gst_app_sink_pull_preroll     (GstAppSink *appsink);

GST_APP_API

GstSample *     gst_app_sink_pull_sample      (GstAppSink *appsink);

GST_APP_API

GstSample *     gst_app_sink_try_pull_preroll (GstAppSink *appsink, GstClockTime timeout);

GST_APP_API

GstSample *     gst_app_sink_try_pull_sample  (GstAppSink *appsink, GstClockTime timeout);

GST_APP_API

void            gst_app_sink_set_callbacks    (GstAppSink * appsink,

                                               GstAppSinkCallbacks *callbacks,

                                               gpointer user_data,

                                               GDestroyNotify notify);

#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC

G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstAppSink, gst_object_unref)

#endif

G_END_DECLS

#endif