mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-18 06:16:36 +00:00
247 lines
8.8 KiB
C
247 lines
8.8 KiB
C
/* GStreamer
|
|
* Copyright (C) <2007> Stefan Kost <ensonic@users.sf.net>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* SECTION:element-equalizer-10bands
|
|
*
|
|
* The 10 band equalizer element allows to change the gain of 10 equally distributed
|
|
* frequency bands between 30 Hz and 15 kHz.
|
|
*
|
|
* <refsect2>
|
|
* <title>Example launch line</title>
|
|
* |[
|
|
* gst-launch filesrc location=song.ogg ! oggdemux ! vorbisdec ! audioconvert ! equalizer-10bands band2=3.0 ! alsasink
|
|
* ]| This raises the volume of the 3rd band which is at 119 Hz by 3 db.
|
|
* </refsect2>
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "gstiirequalizer.h"
|
|
#include "gstiirequalizer10bands.h"
|
|
|
|
|
|
enum
|
|
{
|
|
PROP_BAND0 = 1,
|
|
PROP_BAND1,
|
|
PROP_BAND2,
|
|
PROP_BAND3,
|
|
PROP_BAND4,
|
|
PROP_BAND5,
|
|
PROP_BAND6,
|
|
PROP_BAND7,
|
|
PROP_BAND8,
|
|
PROP_BAND9,
|
|
};
|
|
|
|
static void gst_iir_equalizer_10bands_set_property (GObject * object,
|
|
guint prop_id, const GValue * value, GParamSpec * pspec);
|
|
static void gst_iir_equalizer_10bands_get_property (GObject * object,
|
|
guint prop_id, GValue * value, GParamSpec * pspec);
|
|
|
|
GST_DEBUG_CATEGORY_EXTERN (equalizer_debug);
|
|
#define GST_CAT_DEFAULT equalizer_debug
|
|
|
|
|
|
static void
|
|
_do_init (GType object_type)
|
|
{
|
|
const GInterfaceInfo preset_interface_info = {
|
|
NULL, /* interface_init */
|
|
NULL, /* interface_finalize */
|
|
NULL /* interface_data */
|
|
};
|
|
|
|
g_type_add_interface_static (object_type, GST_TYPE_PRESET,
|
|
&preset_interface_info);
|
|
}
|
|
|
|
GST_BOILERPLATE_FULL (GstIirEqualizer10Bands, gst_iir_equalizer_10bands,
|
|
GstIirEqualizer, GST_TYPE_IIR_EQUALIZER, _do_init);
|
|
|
|
/* equalizer implementation */
|
|
|
|
static void
|
|
gst_iir_equalizer_10bands_base_init (gpointer g_class)
|
|
{
|
|
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
|
|
|
|
gst_element_class_set_details_simple (element_class, "10 Band Equalizer",
|
|
"Filter/Effect/Audio",
|
|
"Direct Form 10 band IIR equalizer",
|
|
"Stefan Kost <ensonic@users.sf.net>");
|
|
}
|
|
|
|
static void
|
|
gst_iir_equalizer_10bands_class_init (GstIirEqualizer10BandsClass * klass)
|
|
{
|
|
GObjectClass *gobject_class = (GObjectClass *) klass;
|
|
|
|
gobject_class->set_property = gst_iir_equalizer_10bands_set_property;
|
|
gobject_class->get_property = gst_iir_equalizer_10bands_get_property;
|
|
|
|
g_object_class_install_property (gobject_class, PROP_BAND0,
|
|
g_param_spec_double ("band0", "29 Hz",
|
|
"gain for the frequency band 29 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
g_object_class_install_property (gobject_class, PROP_BAND1,
|
|
g_param_spec_double ("band1", "59 Hz",
|
|
"gain for the frequency band 59 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
g_object_class_install_property (gobject_class, PROP_BAND2,
|
|
g_param_spec_double ("band2", "119 Hz",
|
|
"gain for the frequency band 119 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
g_object_class_install_property (gobject_class, PROP_BAND3,
|
|
g_param_spec_double ("band3", "237 Hz",
|
|
"gain for the frequency band 237 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
g_object_class_install_property (gobject_class, PROP_BAND4,
|
|
g_param_spec_double ("band4", "474 Hz",
|
|
"gain for the frequency band 474 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
g_object_class_install_property (gobject_class, PROP_BAND5,
|
|
g_param_spec_double ("band5", "947 Hz",
|
|
"gain for the frequency band 947 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
g_object_class_install_property (gobject_class, PROP_BAND6,
|
|
g_param_spec_double ("band6", "1889 Hz",
|
|
"gain for the frequency band 1889 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
g_object_class_install_property (gobject_class, PROP_BAND7,
|
|
g_param_spec_double ("band7", "3770 Hz",
|
|
"gain for the frequency band 3770 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
g_object_class_install_property (gobject_class, PROP_BAND8,
|
|
g_param_spec_double ("band8", "7523 Hz",
|
|
"gain for the frequency band 7523 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
g_object_class_install_property (gobject_class, PROP_BAND9,
|
|
g_param_spec_double ("band9", "15011 Hz",
|
|
"gain for the frequency band 15011 Hz, ranging from -24 dB to +12 dB",
|
|
-24.0, 12.0, 0.0,
|
|
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS | GST_PARAM_CONTROLLABLE));
|
|
}
|
|
|
|
static void
|
|
gst_iir_equalizer_10bands_init (GstIirEqualizer10Bands * equ_n,
|
|
GstIirEqualizer10BandsClass * g_class)
|
|
{
|
|
GstIirEqualizer *equ = GST_IIR_EQUALIZER (equ_n);
|
|
|
|
gst_iir_equalizer_compute_frequencies (equ, 10);
|
|
}
|
|
|
|
static void
|
|
gst_iir_equalizer_10bands_set_property (GObject * object, guint prop_id,
|
|
const GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstIirEqualizer *equ = GST_IIR_EQUALIZER (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_BAND0:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band0::gain", value);
|
|
break;
|
|
case PROP_BAND1:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band1::gain", value);
|
|
break;
|
|
case PROP_BAND2:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band2::gain", value);
|
|
break;
|
|
case PROP_BAND3:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band3::gain", value);
|
|
break;
|
|
case PROP_BAND4:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band4::gain", value);
|
|
break;
|
|
case PROP_BAND5:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band5::gain", value);
|
|
break;
|
|
case PROP_BAND6:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band6::gain", value);
|
|
break;
|
|
case PROP_BAND7:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band7::gain", value);
|
|
break;
|
|
case PROP_BAND8:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band8::gain", value);
|
|
break;
|
|
case PROP_BAND9:
|
|
gst_child_proxy_set_property (GST_OBJECT (equ), "band9::gain", value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|
|
|
|
static void
|
|
gst_iir_equalizer_10bands_get_property (GObject * object, guint prop_id,
|
|
GValue * value, GParamSpec * pspec)
|
|
{
|
|
GstIirEqualizer *equ = GST_IIR_EQUALIZER (object);
|
|
|
|
switch (prop_id) {
|
|
case PROP_BAND0:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band0::gain", value);
|
|
break;
|
|
case PROP_BAND1:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band1::gain", value);
|
|
break;
|
|
case PROP_BAND2:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band2::gain", value);
|
|
break;
|
|
case PROP_BAND3:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band3::gain", value);
|
|
break;
|
|
case PROP_BAND4:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band4::gain", value);
|
|
break;
|
|
case PROP_BAND5:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band5::gain", value);
|
|
break;
|
|
case PROP_BAND6:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band6::gain", value);
|
|
break;
|
|
case PROP_BAND7:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band7::gain", value);
|
|
break;
|
|
case PROP_BAND8:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band8::gain", value);
|
|
break;
|
|
case PROP_BAND9:
|
|
gst_child_proxy_get_property (GST_OBJECT (equ), "band9::gain", value);
|
|
break;
|
|
default:
|
|
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
|
|
break;
|
|
}
|
|
}
|