mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-24 09:10:36 +00:00
112 lines
3 KiB
C
112 lines
3 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>
|
|
/* #include <gst/meta/audioraw.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;
|
|
|
|
GstPad *sinkpad, *srcpad;
|
|
GstBufferPool *bufpool;
|
|
|
|
/* these next data elements are for the filter's internal buffers and list of
|
|
play pointers (offsets in the internal buffers). there are also flags for
|
|
repeating from the beginning or end of the input stream, and a max buffer
|
|
size. */
|
|
gchar *buffer;
|
|
guint buffer_size;
|
|
|
|
guint write;
|
|
guint start;
|
|
|
|
guint *plays;
|
|
|
|
gboolean eos;
|
|
|
|
gboolean follow_stream_tail;
|
|
|
|
gboolean silent;
|
|
|
|
/* the next three are valid for both int and float */
|
|
GstPlayOnDemandFormat format;
|
|
guint rate;
|
|
guint channels;
|
|
|
|
/* the next five are valid only for format == GST_PLAYONDEMAND_FORMAT_INT */
|
|
guint width;
|
|
guint depth;
|
|
guint endianness;
|
|
guint law;
|
|
gboolean is_signed;
|
|
|
|
/* the next three are valid only for format == GST_PLAYONDEMAND_FORMAT_FLOAT */
|
|
const gchar *layout;
|
|
gfloat slope;
|
|
gfloat intercept;
|
|
};
|
|
|
|
struct _GstPlayOnDemandClass {
|
|
GstElementClass parent_class;
|
|
|
|
void (*play) (GstElement *elem);
|
|
void (*reset) (GstElement *elem);
|
|
};
|
|
|
|
GType gst_play_on_demand_get_type(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#endif /* __GST_PLAYONDEMAND_H__ */
|