gstreamer/gst/playondemand/gstplayondemand.h

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/* -*- c-basic-offset: 2 -*-
* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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_PLAYONDEMAND_H__
#define __GST_PLAYONDEMAND_H__
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_PLAYONDEMAND \
(gst_play_on_demand_get_type())
#define GST_PLAYONDEMAND(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PLAYONDEMAND,GstPlayOnDemand))
#define GST_PLAYONDEMAND_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PLAYONDEMAND,GstPlayOnDemand))
#define GST_IS_PLAYONDEMAND(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PLAYONDEMAND))
#define GST_IS_PLAYONDEMAND_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PLAYONDEMAND))
typedef struct _GstPlayOnDemand GstPlayOnDemand;
typedef struct _GstPlayOnDemandClass GstPlayOnDemandClass;
typedef enum _GstPlayOnDemandFormat GstPlayOnDemandFormat;
enum _GstPlayOnDemandFormat {
GST_PLAYONDEMAND_FORMAT_INT,
GST_PLAYONDEMAND_FORMAT_FLOAT
};
struct _GstPlayOnDemand {
GstElement element;
GstPad *sinkpad, *srcpad;
GstClock *clock;
/* filter properties */
gboolean mute;
gfloat buffer_time;
guint max_plays;
gfloat tick_rate;
guint total_ticks;
guint32 *ticks;
/* internal buffer info */
gchar *buffer;
guint buffer_bytes;
gboolean eos;
/* play pointers == internal buffer offsets for producing output sound */
guint *plays;
guint write;
/* audio format info (used to calculate buffer_samples) */
GstPlayOnDemandFormat format;
guint rate;
guint channels;
guint width;
};
struct _GstPlayOnDemandClass {
GstElementClass parent_class;
void (*play) (GstElement *elem);
void (*clear) (GstElement *elem);
void (*reset) (GstElement *elem);
void (*played) (GstElement *elem);
void (*stopped) (GstElement *elem);
};
GType gst_play_on_demand_get_type(void);
G_END_DECLS
#endif /* __GST_PLAYONDEMAND_H__ */