mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-19 02:20:20 +00:00
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
/*
|
|
* Copyright (C) 2003 Benjamin Otte <in7y118@public.uni-hamburg.de>
|
|
*
|
|
* sinesrc.h: Header file for sinesrc.c
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU 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
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this library; if not, write to the Free
|
|
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#ifndef __SINESRC_H__
|
|
#define __SINESRC_H__
|
|
|
|
|
|
#include <gst/gst.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#define TYPE_SINESRC \
|
|
(sinesrc_get_type())
|
|
#define SINESRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),TYPE_SINESRC,SineSrc))
|
|
#define SINESRC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),TYPE_SINESRC,SineSrcClass))
|
|
#define IS_SINESRC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),TYPE_SINESRC))
|
|
#define IS_SINESRC_CLASS(obj) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),TYPE_SINESRC))
|
|
|
|
typedef struct _SineSrc SineSrc;
|
|
typedef struct _SineSrcClass SineSrcClass;
|
|
|
|
typedef void (*PreGetFunc) (SineSrc *src);
|
|
|
|
typedef enum {
|
|
SINE_SRC_INT,
|
|
SINE_SRC_FLOAT
|
|
} SineSrcAudio;
|
|
|
|
struct _SineSrc {
|
|
GstElement element;
|
|
|
|
/* pads */
|
|
GstPad *src;
|
|
|
|
/* audio parameters */
|
|
SineSrcAudio type;
|
|
gint width; /* int + float */
|
|
gint depth; /* int */
|
|
gboolean sign; /* int */
|
|
gint endianness; /* int */
|
|
|
|
gint rate;
|
|
gint channels; /* interleaved */
|
|
|
|
gboolean newcaps;
|
|
|
|
/* freaky stuff for testing */
|
|
PreGetFunc pre_get_func;
|
|
};
|
|
|
|
struct _SineSrcClass {
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType sinesrc_get_type (void);
|
|
GstElement * sinesrc_new (void);
|
|
|
|
void sinesrc_set_pre_get_func (SineSrc *src, PreGetFunc func);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif /* __cplusplus */
|
|
|
|
|
|
#endif /* __GST_SINESRC_H__ */
|