gst-plugins-good  1.20.3
About: GStreamer (Good Plugins) is a library for constructing of graphs of media-handling components. A set of good-quality plug-ins (under LGPL license).
  Fossies Dox: gst-plugins-good-1.20.3.tar.xz  ("unofficial" and yet experimental doxygen-generated source code documentation)  

audioecho.h
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1/*
2 * GStreamer
3 * Copyright (C) 2009 Sebastian Dröge <sebastian.droege@collabora.co.uk>
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 */
20
21#ifndef __GST_AUDIO_ECHO_H__
22#define __GST_AUDIO_ECHO_H__
23
24#include <gst/gst.h>
25#include <gst/base/gstbasetransform.h>
26#include <gst/audio/audio.h>
27#include <gst/audio/gstaudiofilter.h>
28
29G_BEGIN_DECLS
30
31#define GST_TYPE_AUDIO_ECHO (gst_audio_echo_get_type())
32#define GST_AUDIO_ECHO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_AUDIO_ECHO,GstAudioEcho))
33#define GST_IS_AUDIO_ECHO(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_AUDIO_ECHO))
34#define GST_AUDIO_ECHO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_AUDIO_ECHO,GstAudioEchoClass))
35#define GST_IS_AUDIO_ECHO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_AUDIO_ECHO))
36#define GST_AUDIO_ECHO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_AUDIO_ECHO,GstAudioEchoClass))
39
40typedef void (*GstAudioEchoProcessFunc) (GstAudioEcho *, guint8 *, guint);
41
43{
44 GstAudioFilter audiofilter;
45
46 guint64 delay;
47 guint64 max_delay;
48 gfloat intensity;
49 gfloat feedback;
50 gboolean surdelay;
52
53 /* < private > */
56 guint8 *buffer;
60
61 GMutex lock;
62};
63
65{
66 GstAudioFilterClass parent;
67};
68
70
72
73G_END_DECLS
74
75#endif /* __GST_AUDIO_ECHO_H__ */
GType gst_audio_echo_get_type(void)
GST_ELEMENT_REGISTER_DECLARE(audioecho)
void(* GstAudioEchoProcessFunc)(GstAudioEcho *, guint8 *, guint)
Definition: audioecho.h:40
GstAudioFilterClass parent
Definition: audioecho.h:66
guint buffer_pos
Definition: audioecho.h:57
GMutex lock
Definition: audioecho.h:61
guint64 surround_mask
Definition: audioecho.h:51
guint buffer_size_frames
Definition: audioecho.h:59
guint buffer_size
Definition: audioecho.h:58
guint64 max_delay
Definition: audioecho.h:47
guint delay_frames
Definition: audioecho.h:55
gfloat intensity
Definition: audioecho.h:48
GstAudioEchoProcessFunc process
Definition: audioecho.h:54
gboolean surdelay
Definition: audioecho.h:50
guint64 delay
Definition: audioecho.h:46
guint8 * buffer
Definition: audioecho.h:56
GstAudioFilter audiofilter
Definition: audioecho.h:44
gfloat feedback
Definition: audioecho.h:49