mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
6b785348c4
Original commit message from CVS: + modifying playondemand to behave a little more like a sequencer
103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
/* -*- 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__
|
|
|
|
|
|
#include <config.h>
|
|
#include <gst/gst.h>
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#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_ULAW,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;
|
|
|
|
GstBufferPool *bufpool;
|
|
GstPad *sinkpad, *srcpad;
|
|
GstClock *clock;
|
|
|
|
/* filter properties */
|
|
gboolean mute;
|
|
gfloat buffer_time;
|
|
guint max_plays;
|
|
gfloat clock_speed;
|
|
guint total_ticks;
|
|
GSList *tick_list;
|
|
|
|
/* 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);
|
|
};
|
|
|
|
GType gst_play_on_demand_get_type(void);
|
|
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#endif /* __GST_PLAYONDEMAND_H__ */
|