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Code Issues 1 Projects Releases Wiki Activity

Remove the equalizer plugin, which has moved to -good

Browse source 
Original commit message from CVS:
* configure.ac:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-bad-plugins-docs.sgml:
* docs/plugins/gst-plugins-bad-plugins-sections.txt:
* docs/plugins/inspect/plugin-equalizer.xml:
* gst/equalizer/.cvsignore:
* gst/equalizer/Makefile.am:
* gst/equalizer/demo.c:
* gst/equalizer/gstiirequalizer.c:
* gst/equalizer/gstiirequalizer.h:
* gst/equalizer/gstiirequalizer10bands.c:
* gst/equalizer/gstiirequalizer10bands.h:
* gst/equalizer/gstiirequalizer3bands.c:
* gst/equalizer/gstiirequalizer3bands.h:
* gst/equalizer/gstiirequalizernbands.c:
* gst/equalizer/gstiirequalizernbands.h:
* tests/check/Makefile.am:
* tests/check/elements/.cvsignore:
* tests/check/elements/equalizer.c:
Remove the equalizer plugin, which has moved to -good
This commit is contained in:
Jan Schmidt 2008-02-08 02:00:49 +00:00
parent 440f4cd181
commit d6e3e6d9c0
20 changed files with 25 additions and 2203 deletions
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24
ChangeLog
View file

@ -1,3 +1,27 @@
2008-02-08 Jan Schmidt <jan.schmidt@sun.com>
* configure.ac:
* docs/plugins/Makefile.am:
* docs/plugins/gst-plugins-bad-plugins-docs.sgml:
* docs/plugins/gst-plugins-bad-plugins-sections.txt:
* docs/plugins/inspect/plugin-equalizer.xml:
* gst/equalizer/.cvsignore:
* gst/equalizer/Makefile.am:
* gst/equalizer/demo.c:
* gst/equalizer/gstiirequalizer.c:
* gst/equalizer/gstiirequalizer.h:
* gst/equalizer/gstiirequalizer10bands.c:
* gst/equalizer/gstiirequalizer10bands.h:
* gst/equalizer/gstiirequalizer3bands.c:
* gst/equalizer/gstiirequalizer3bands.h:
* gst/equalizer/gstiirequalizernbands.c:
* gst/equalizer/gstiirequalizernbands.h:
* tests/check/Makefile.am:
* tests/check/elements/.cvsignore:
* tests/check/elements/equalizer.c:
Remove the equalizer plugin, which has moved to -good
2008-02-08 Jan Schmidt <jan.schmidt@sun.com>
* configure.ac:

4
configure.ac
View file

@ -44,7 +44,7 @@ dnl AS_LIBTOOL_TAGS([CXX])
AM_PROG_LIBTOOL
dnl *** required versions of GStreamer stuff ***
dnl *** remove rtpmanager/equalizer stuff below when this is updated
dnl *** remove rtpmanager stuff below when this is updated
GST_REQ=0.10.17
GSTPB_REQ=0.10.17
@ -84,7 +84,6 @@ GST_PLUGINS_ALL="\
cdxaparse \
deinterlace \
dvdspu \
equalizer \
festival \
filter \
flv \
@ -1045,7 +1044,6 @@ gst/bayer/Makefile
gst/cdxaparse/Makefile
gst/deinterlace/Makefile
gst/dvdspu/Makefile
gst/equalizer/Makefile
gst/festival/Makefile
gst/filter/Makefile
gst/flv/Makefile

4
docs/plugins/Makefile.am
View file

@ -113,10 +113,6 @@ EXTRA_HFILES = \
$(top_srcdir)/ext/timidity/gsttimidity.h \
$(top_srcdir)/ext/timidity/gstwildmidi.h \
$(top_srcdir)/gst/dvdspu/gstdvdspu.h \
$(top_srcdir)/gst/equalizer/gstiirequalizer.h \
$(top_srcdir)/gst/equalizer/gstiirequalizer3bands.h \
$(top_srcdir)/gst/equalizer/gstiirequalizer10bands.h \
$(top_srcdir)/gst/equalizer/gstiirequalizernbands.h \
$(top_srcdir)/gst/festival/gstfestival.h \
$(top_srcdir)/gst/modplug/gstmodplug.h \
$(top_srcdir)/gst/multifile/gstmultifilesink.h \

5
docs/plugins/gst-plugins-bad-plugins-docs.sgml
View file

@ -20,9 +20,6 @@
<xi:include href="xml/element-dfbvideosink.xml" />
<xi:include href="xml/element-dvbsrc.xml" />
<xi:include href="xml/element-dvdspu.xml" />
<xi:include href="xml/element-equalizer-10bands.xml" />
<xi:include href="xml/element-equalizer-3bands.xml" />
<xi:include href="xml/element-equalizer-nbands.xml" />
<xi:include href="xml/element-festival.xml" />
<xi:include href="xml/element-giosink.xml" />
<xi:include href="xml/element-giosrc.xml" />
@ -79,7 +76,6 @@
<xi:include href="xml/plugin-dvbsrc.xml" />
<xi:include href="xml/plugin-dvb.xml" />
<xi:include href="xml/plugin-dvdspu.xml" />
<xi:include href="xml/plugin-equalizer.xml" />
<xi:include href="xml/plugin-faac.xml" />
<xi:include href="xml/plugin-faad.xml" />
<xi:include href="xml/plugin-fbdevsink.xml" />
@ -144,6 +140,5 @@
<chapter>
<title>gst-plugins-bad Classes</title>
<xi:include href="xml/gstbasemetadata.xml" />
<xi:include href="xml/gstiirequalizer.xml" />
</chapter>
</book>

56
docs/plugins/gst-plugins-bad-plugins-sections.txt
View file

@ -136,62 +136,6 @@ DVD_SPU_UNLOCK
SPU_STATE_FLAGS_MASK
</SECTION>
<SECTION>
<FILE>gstiirequalizer</FILE>
<TITLE>GstIirEqualize</TITLE>
GstIirEqualizer
<SUBSECTION Standard>
GstIirEqualizerClass
GST_IIR_EQUALIZER
GST_IIR_EQUALIZER_CLASS
GST_IS_IIR_EQUALIZER
GST_IS_IIR_EQUALIZER_CLASS
GST_TYPE_IIR_EQUALIZER
gst_iir_equalizer_get_type
</SECTION>
<SECTION>
<FILE>element-equalizer-3bands</FILE>
<TITLE>equalizer-3bands</TITLE>
GstIirEqualizer3Bands
<SUBSECTION Standard>
GstIirEqualizer3BandsClass
GST_IIR_EQUALIZER_3BANDS
GST_IIR_EQUALIZER_3BANDS_CLASS
GST_IS_IIR_EQUALIZER_3BANDS
GST_IS_IIR_EQUALIZER_3BANDS_CLASS
GST_TYPE_IIR_EQUALIZER_3BANDS
gst_iir_equalizer_3bands_get_type
</SECTION>
<SECTION>
<FILE>element-equalizer-10bands</FILE>
<TITLE>equalizer-10bands</TITLE>
GstIirEqualizer10Bands
<SUBSECTION Standard>
GstIirEqualizer10BandsClass
GST_IIR_EQUALIZER_10BANDS
GST_IIR_EQUALIZER_10BANDS_CLASS
GST_IS_IIR_EQUALIZER_10BANDS
GST_IS_IIR_EQUALIZER_10BANDS_CLASS
GST_TYPE_IIR_EQUALIZER_10BANDS
gst_iir_equalizer_10bands_get_type
</SECTION>
<SECTION>
<FILE>element-equalizer-nbands</FILE>
<TITLE>equalizer-nbands</TITLE>
GstIirEqualizerNBands
<SUBSECTION Standard>
GstIirEqualizerNBandsClass
GST_IIR_EQUALIZER_NBANDS
GST_IIR_EQUALIZER_NBANDS_CLASS
GST_IS_IIR_EQUALIZER_NBANDS
GST_IS_IIR_EQUALIZER_NBANDS_CLASS
GST_TYPE_IIR_EQUALIZER_NBANDS
gst_iir_equalizer_nbands_get_type
</SECTION>
<SECTION>
<FILE>element-festival</FILE>
<TITLE>festival</TITLE>

76
docs/plugins/inspect/plugin-equalizer.xml
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@ -1,76 +0,0 @@
<plugin>
<name>equalizer</name>
<description>GStreamer audio equalizers</description>
<filename>../../gst/equalizer/.libs/libgstequalizer.so</filename>
<basename>libgstequalizer.so</basename>
<version>0.10.5.1</version>
<license>LGPL</license>
<source>gst-plugins-bad</source>
<package>GStreamer Bad Plug-ins CVS/prerelease</package>
<origin>Unknown package origin</origin>
<elements>
<element>
<name>equalizer-10bands</name>
<longname>10 Band Equalizer</longname>
<class>Filter/Effect/Audio</class>
<description>Direct Form 10 band IIR equalizer</description>
<author>Stefan Kost &lt;ensonic@users.sf.net&gt;</author>
<pads>
<caps>
<name>sink</name>
<direction>sink</direction>
<presence>always</presence>
<details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
</caps>
<caps>
<name>src</name>
<direction>source</direction>
<presence>always</presence>
<details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
</caps>
</pads>
</element>
<element>
<name>equalizer-3bands</name>
<longname>3 Band Equalizer</longname>
<class>Filter/Effect/Audio</class>
<description>Direct Form 3 band IIR equalizer</description>
<author>Stefan Kost &lt;ensonic@users.sf.net&gt;</author>
<pads>
<caps>
<name>sink</name>
<direction>sink</direction>
<presence>always</presence>
<details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
</caps>
<caps>
<name>src</name>
<direction>source</direction>
<presence>always</presence>
<details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
</caps>
</pads>
</element>
<element>
<name>equalizer-nbands</name>
<longname>N Band Equalizer</longname>
<class>Filter/Effect/Audio</class>
<description>Direct Form IIR equalizer</description>
<author>Benjamin Otte &lt;otte@gnome.org&gt;, Stefan Kost &lt;ensonic@users.sf.net&gt;</author>
<pads>
<caps>
<name>sink</name>
<direction>sink</direction>
<presence>always</presence>
<details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
</caps>
<caps>
<name>src</name>
<direction>source</direction>
<presence>always</presence>
<details>audio/x-raw-int, depth=(int)16, width=(int)16, endianness=(int)1234, signed=(boolean)true, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]; audio/x-raw-float, width=(int){ 32, 64 }, endianness=(int)1234, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ]</details>
</caps>
</pads>
</element>
</elements>
</plugin>

1
gst/equalizer/.gitignore vendored
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@ -1 +0,0 @@
demo

22
gst/equalizer/Makefile.am
View file

@ -1,22 +0,0 @@
plugin_LTLIBRARIES = libgstequalizer.la
libgstequalizer_la_SOURCES = \
gstiirequalizer.c gstiirequalizer.h \
gstiirequalizernbands.c gstiirequalizernbands.h \
gstiirequalizer3bands.c gstiirequalizer3bands.h \
gstiirequalizer10bands.c gstiirequalizer10bands.h
libgstequalizer_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) $(GST_CONTROLLER_CFLAGS)
libgstequalizer_la_LIBADD = $(GST_LIBS) $(GST_PLUGINS_BASE_LIBS) -lgstaudio-$(GST_MAJORMINOR) $(GST_BASE_LIBS) $(GST_CONTROLLER_LIBS) $(LIBM)
libgstequalizer_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS = gstiirequalizer.h
if HAVE_GTK
noinst_PROGRAMS = demo
endif
demo_SOURCES = demo.c
demo_CFLAGS = $(GST_BASE_CFLAGS) $(GST_CFLAGS) $(GTK_CFLAGS)
demo_LDFLAGS = $(GST_BASE_LIBS) $(GST_LIBS) $(GTK_LIBS)

247
gst/equalizer/demo.c
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@ -1,247 +0,0 @@
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <gst/gst.h>
#include <gtk/gtk.h>
#define NBANDS 10
static GtkWidget *drawingarea = NULL;
static guint spect_height = 128;
static guint spect_bands = 256;
static gfloat height_scale = 2.0;
static void
on_window_destroy (GtkObject * object, gpointer user_data)
{
drawingarea = NULL;
gtk_main_quit ();
}
static gboolean
on_configure_event (GtkWidget * widget, GdkEventConfigure * event,
gpointer user_data)
{
GstElement *spectrum = GST_ELEMENT (user_data);
/*GST_INFO ("%d x %d", event->width, event->height); */
spect_height = event->height;
height_scale = event->height / 64.0;
spect_bands = event->width;
g_object_set (G_OBJECT (spectrum), "bands", spect_bands, NULL);
return FALSE;
}
/* control gains */
static void
on_gain_changed (GtkRange * range, gpointer user_data)
{
GstObject *band = GST_OBJECT (user_data);
gdouble value = gtk_range_get_value (range);
g_object_set (band, "gain", value, NULL);
}
/* control bandwidths */
static void
on_bandwidth_changed (GtkRange * range, gpointer user_data)
{
GstObject *band = GST_OBJECT (user_data);
gdouble value = gtk_range_get_value (range);
g_object_set (band, "bandwidth", value, NULL);
}
/* control frequency */
static void
on_freq_changed (GtkRange * range, gpointer user_data)
{
GstObject *band = GST_OBJECT (user_data);
gdouble value = gtk_range_get_value (range);
/* hbox */
GtkWidget *parent = gtk_widget_get_parent (GTK_WIDGET (range));
/* frame */
GtkWidget *parent_parent = gtk_widget_get_parent (parent);
gchar *label = g_strdup_printf ("%d Hz", (int) (value + 0.5));
gtk_frame_set_label (GTK_FRAME (parent_parent), label);
g_free (label);
g_object_set (band, "freq", value, NULL);
}
/* draw frequency spectrum as a bunch of bars */
static void
draw_spectrum (gfloat * data)
{
gint i;
GdkRectangle rect = { 0, 0, spect_bands, spect_height };
if (!drawingarea)
return;
gdk_window_begin_paint_rect (drawingarea->window, &rect);
gdk_draw_rectangle (drawingarea->window, drawingarea->style->black_gc,
TRUE, 0, 0, spect_bands, spect_height);
for (i = 0; i < spect_bands; i++) {
gdk_draw_rectangle (drawingarea->window, drawingarea->style->white_gc,
TRUE, i, -data[i], 1, spect_height + data[i]);
}
gdk_window_end_paint (drawingarea->window);
}
/* receive spectral data from element message */
gboolean
message_handler (GstBus * bus, GstMessage * message, gpointer data)
{
if (message->type == GST_MESSAGE_ELEMENT) {
const GstStructure *s = gst_message_get_structure (message);
const gchar *name = gst_structure_get_name (s);
if (strcmp (name, "spectrum") == 0) {
gfloat spect[spect_bands];
const GValue *list;
const GValue *value;
guint i;
list = gst_structure_get_value (s, "magnitude");
for (i = 0; i < spect_bands; ++i) {
value = gst_value_list_get_value (list, i);
spect[i] = height_scale * g_value_get_float (value);
}
draw_spectrum (spect);
}
}
return TRUE;
}
int
main (int argc, char *argv[])
{
GstElement *bin;
GstElement *src, *capsfilter, *equalizer, *spectrum, *audioconvert, *sink;
GstCaps *caps;
GstBus *bus;
GtkWidget *appwindow, *vbox, *hbox, *widget;
gst_init (&argc, &argv);
gtk_init (&argc, &argv);
bin = gst_pipeline_new ("bin");
/* White noise */
src = gst_element_factory_make ("audiotestsrc", "src");
g_object_set (G_OBJECT (src), "wave", 5, "volume", 0.8, NULL);
/* Force float32 samples */
capsfilter = gst_element_factory_make ("capsfilter", "capsfilter");
caps =
gst_caps_new_simple ("audio/x-raw-float", "width", G_TYPE_INT, 32, NULL);
g_object_set (capsfilter, "caps", caps, NULL);
equalizer = gst_element_factory_make ("equalizer-nbands", "equalizer");
g_object_set (G_OBJECT (equalizer), "num-bands", NBANDS, NULL);
spectrum = gst_element_factory_make ("spectrum", "spectrum");
g_object_set (G_OBJECT (spectrum), "bands", spect_bands, "threshold", -80,
"message", TRUE, "interval", 500 * GST_MSECOND, NULL);
audioconvert = gst_element_factory_make ("audioconvert", "audioconvert");
sink = gst_element_factory_make ("autoaudiosink", "sink");
gst_bin_add_many (GST_BIN (bin), src, capsfilter, equalizer, spectrum,
audioconvert, sink, NULL);
if (!gst_element_link_many (src, capsfilter, equalizer, spectrum,
audioconvert, sink, NULL)) {
fprintf (stderr, "can't link elements\n");
exit (1);
}
bus = gst_element_get_bus (bin);
gst_bus_add_watch (bus, message_handler, NULL);
gst_object_unref (bus);
appwindow = gtk_window_new (GTK_WINDOW_TOPLEVEL);
g_signal_connect (G_OBJECT (appwindow), "destroy",
G_CALLBACK (on_window_destroy), NULL);
vbox = gtk_vbox_new (FALSE, 6);
drawingarea = gtk_drawing_area_new ();
gtk_widget_set_size_request (drawingarea, spect_bands, spect_height);
g_signal_connect (G_OBJECT (drawingarea), "configure-event",
G_CALLBACK (on_configure_event), (gpointer) spectrum);
gtk_box_pack_start (GTK_BOX (vbox), drawingarea, TRUE, TRUE, 0);
hbox = gtk_hbox_new (FALSE, 20);
int i;
for (i = 0; i < NBANDS; i++) {
GstObject *band;
gdouble freq;
gdouble bw;
gdouble gain;
gchar *label;
GtkWidget *frame, *scales_hbox;
band = gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
g_assert (band != NULL);
g_object_get (G_OBJECT (band), "freq", &freq, NULL);
g_object_get (G_OBJECT (band), "bandwidth", &bw, NULL);
g_object_get (G_OBJECT (band), "gain", &gain, NULL);
label = g_strdup_printf ("%d Hz", (int) (freq + 0.5));
frame = gtk_frame_new (label);
g_free (label);
scales_hbox = gtk_hbox_new (FALSE, 6);
widget = gtk_vscale_new_with_range (-24.0, 12.0, 0.5);
gtk_scale_set_draw_value (GTK_SCALE (widget), TRUE);
gtk_scale_set_value_pos (GTK_SCALE (widget), GTK_POS_TOP);
gtk_range_set_value (GTK_RANGE (widget), gain);
gtk_widget_set_size_request (widget, 25, 150);
g_signal_connect (G_OBJECT (widget), "value-changed",
G_CALLBACK (on_gain_changed), (gpointer) band);
gtk_box_pack_start (GTK_BOX (scales_hbox), widget, FALSE, FALSE, 0);
widget = gtk_vscale_new_with_range (0.0, 20000.0, 5.0);
gtk_scale_set_draw_value (GTK_SCALE (widget), TRUE);
gtk_scale_set_value_pos (GTK_SCALE (widget), GTK_POS_TOP);
gtk_range_set_value (GTK_RANGE (widget), bw);
gtk_widget_set_size_request (widget, 25, 150);
g_signal_connect (G_OBJECT (widget), "value-changed",
G_CALLBACK (on_bandwidth_changed), (gpointer) band);
gtk_box_pack_start (GTK_BOX (scales_hbox), widget, TRUE, TRUE, 0);
widget = gtk_vscale_new_with_range (20.0, 20000.0, 5.0);
gtk_scale_set_draw_value (GTK_SCALE (widget), TRUE);
gtk_scale_set_value_pos (GTK_SCALE (widget), GTK_POS_TOP);
gtk_range_set_value (GTK_RANGE (widget), freq);
gtk_widget_set_size_request (widget, 25, 150);
g_signal_connect (G_OBJECT (widget), "value-changed",
G_CALLBACK (on_freq_changed), (gpointer) band);
gtk_box_pack_start (GTK_BOX (scales_hbox), widget, TRUE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (frame), scales_hbox);
gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0);
}
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
gtk_container_add (GTK_CONTAINER (appwindow), vbox);
gtk_widget_show_all (appwindow);
gst_element_set_state (bin, GST_STATE_PLAYING);
gtk_main ();
gst_element_set_state (bin, GST_STATE_NULL);
gst_object_unref (bin);
return 0;
}

660
gst/equalizer/gstiirequalizer.c
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@ -1,660 +0,0 @@
/* GStreamer
* Copyright (C) <2004> Benjamin Otte <otte@gnome.org>
* <2007> Stefan Kost <ensonic@users.sf.net>
* <2007> Sebastian Dröge <slomo@circular-chaos.org>
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <math.h>
#include <string.h>
#include "gstiirequalizer.h"
#include "gstiirequalizernbands.h"
#include "gstiirequalizer3bands.h"
#include "gstiirequalizer10bands.h"
GST_DEBUG_CATEGORY (equalizer_debug);
#define GST_CAT_DEFAULT equalizer_debug
static void gst_iir_equalizer_child_proxy_interface_init (gpointer g_iface,
gpointer iface_data);
static void gst_iir_equalizer_finalize (GObject * object);
static gboolean gst_iir_equalizer_setup (GstAudioFilter * filter,
GstRingBufferSpec * fmt);
static GstFlowReturn gst_iir_equalizer_transform_ip (GstBaseTransform * btrans,
GstBuffer * buf);
GST_DEBUG_CATEGORY_EXTERN (equalizer_debug);
#define GST_CAT_DEFAULT equalizer_debug
#define ALLOWED_CAPS \
"audio/x-raw-int," \
" depth=(int)16," \
" width=(int)16," \
" endianness=(int)BYTE_ORDER," \
" signed=(bool)TRUE," \
" rate=(int)[1000,MAX]," \
" channels=(int)[1,MAX]; " \
"audio/x-raw-float," \
" width=(int) { 32, 64 } ," \
" endianness=(int)BYTE_ORDER," \
" rate=(int)[1000,MAX]," \
" channels=(int)[1,MAX]"
static void
_do_init (GType object_type)
{
const GInterfaceInfo child_proxy_interface_info = {
(GInterfaceInitFunc) gst_iir_equalizer_child_proxy_interface_init,
NULL, /* interface_finalize */
NULL /* interface_data */
};
g_type_add_interface_static (object_type, GST_TYPE_CHILD_PROXY,
&child_proxy_interface_info);
}
GST_BOILERPLATE_FULL (GstIirEqualizer, gst_iir_equalizer,
GstAudioFilter, GST_TYPE_AUDIO_FILTER, _do_init);
/* child object */
enum
{
ARG_GAIN = 1,
ARG_FREQ,
ARG_BANDWIDTH
};
typedef struct _GstIirEqualizerBandClass GstIirEqualizerBandClass;
#define GST_TYPE_IIR_EQUALIZER_BAND \
(gst_iir_equalizer_band_get_type())
#define GST_IIR_EQUALIZER_BAND(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IIR_EQUALIZER_BAND,GstIirEqualizerBand))
#define GST_IIR_EQUALIZER_BAND_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IIR_EQUALIZER_BAND,GstIirEqualizerBandClass))
#define GST_IS_IIR_EQUALIZER_BAND(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IIR_EQUALIZER_BAND))
#define GST_IS_IIR_EQUALIZER_BAND_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IIR_EQUALIZER_BAND))
struct _GstIirEqualizerBand
{
GstObject object;
/*< private > */
/* center frequency and gain */
gdouble freq;
gdouble gain;
gdouble width;
/* second order iir filter */
gdouble b1, b2; /* IIR coefficients for outputs */
gdouble a0, a1, a2; /* IIR coefficients for inputs */
};
struct _GstIirEqualizerBandClass
{
GstObjectClass parent_class;
};
static GType gst_iir_equalizer_band_get_type (void);
static void setup_filter (GstIirEqualizer * equ, GstIirEqualizerBand * band);
static void
gst_iir_equalizer_band_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstIirEqualizerBand *band = GST_IIR_EQUALIZER_BAND (object);
switch (prop_id) {
case ARG_GAIN:{
gdouble gain;
gain = g_value_get_double (value);
GST_DEBUG_OBJECT (band, "gain = %lf -> %lf", band->gain, gain);
if (gain != band->gain) {
GstIirEqualizer *equ =
GST_IIR_EQUALIZER (gst_object_get_parent (GST_OBJECT (band)));
band->gain = gain;
if (GST_AUDIO_FILTER (equ)->format.rate) {
setup_filter (equ, band);
}
gst_object_unref (equ);
GST_DEBUG_OBJECT (band, "changed gain = %lf ", band->gain);
}
break;
}
case ARG_FREQ:{
gdouble freq;
freq = g_value_get_double (value);
GST_DEBUG_OBJECT (band, "freq = %lf -> %lf", band->freq, freq);
if (freq != band->freq) {
GstIirEqualizer *equ =
GST_IIR_EQUALIZER (gst_object_get_parent (GST_OBJECT (band)));
band->freq = freq;
if (GST_AUDIO_FILTER (equ)->format.rate) {
setup_filter (equ, band);
}
gst_object_unref (equ);
GST_DEBUG_OBJECT (band, "changed freq = %lf ", band->freq);
}
break;
}
case ARG_BANDWIDTH:{
gdouble width;
width = g_value_get_double (value);
GST_DEBUG_OBJECT (band, "width = %lf -> %lf", band->width, width);
if (width != band->width) {
GstIirEqualizer *equ =
GST_IIR_EQUALIZER (gst_object_get_parent (GST_OBJECT (band)));
band->width = width;
if (GST_AUDIO_FILTER (equ)->format.rate) {
setup_filter (equ, band);
}
gst_object_unref (equ);
GST_DEBUG_OBJECT (band, "changed width = %lf ", band->width);
}
break;
}
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_iir_equalizer_band_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstIirEqualizerBand *band = GST_IIR_EQUALIZER_BAND (object);
switch (prop_id) {
case ARG_GAIN:
g_value_set_double (value, band->gain);
break;
case ARG_FREQ:
g_value_set_double (value, band->freq);
break;
case ARG_BANDWIDTH:
g_value_set_double (value, band->width);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_iir_equalizer_band_class_init (GstIirEqualizerBandClass * klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = gst_iir_equalizer_band_set_property;
gobject_class->get_property = gst_iir_equalizer_band_get_property;
g_object_class_install_property (gobject_class, ARG_GAIN,
g_param_spec_double ("gain", "gain",
"gain for the frequency band ranging from -24.0 dB to +12.0 dB",
-24.0, 12.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_FREQ,
g_param_spec_double ("freq", "freq",
"center frequency of the band",
0.0, 100000.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_BANDWIDTH,
g_param_spec_double ("bandwidth", "bandwidth",
"difference between bandedges in Hz",
0.0, 100000.0, 1.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
}
static void
gst_iir_equalizer_band_init (GstIirEqualizerBand * band,
GstIirEqualizerBandClass * klass)
{
band->freq = 0.0;
band->gain = 0.0;
band->width = 1.0;
}
static GType
gst_iir_equalizer_band_get_type (void)
{
static GType type = 0;
if (G_UNLIKELY (!type)) {
const GTypeInfo type_info = {
sizeof (GstIirEqualizerBandClass),
NULL,
NULL,
(GClassInitFunc) gst_iir_equalizer_band_class_init,
NULL,
NULL,
sizeof (GstIirEqualizerBand),
0,
(GInstanceInitFunc) gst_iir_equalizer_band_init,
};
type =
g_type_register_static (GST_TYPE_OBJECT, "GstIirEqualizerBand",
&type_info, 0);
}
return (type);
}
/* child proxy iface */
static GstObject *
gst_iir_equalizer_child_proxy_get_child_by_index (GstChildProxy * child_proxy,
guint index)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (child_proxy);
g_return_val_if_fail (index < equ->freq_band_count, NULL);
GST_LOG ("return child[%d] '%s'", index, GST_OBJECT_NAME (equ->bands[index]));
return (gst_object_ref (equ->bands[index]));
}
static guint
gst_iir_equalizer_child_proxy_get_children_count (GstChildProxy * child_proxy)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (child_proxy);
GST_LOG ("we have %d children", equ->freq_band_count);
return (equ->freq_band_count);
}
static void
gst_iir_equalizer_child_proxy_interface_init (gpointer g_iface,
gpointer iface_data)
{
GstChildProxyInterface *iface = g_iface;
GST_DEBUG ("initializing iface");
iface->get_child_by_index = gst_iir_equalizer_child_proxy_get_child_by_index;
iface->get_children_count = gst_iir_equalizer_child_proxy_get_children_count;
}
/* equalizer implementation */
static void
gst_iir_equalizer_base_init (gpointer g_class)
{
GstAudioFilterClass *audiofilter_class = GST_AUDIO_FILTER_CLASS (g_class);
GstCaps *caps;
caps = gst_caps_from_string (ALLOWED_CAPS);
gst_audio_filter_class_add_pad_templates (audiofilter_class, caps);
gst_caps_unref (caps);
}
static void
gst_iir_equalizer_class_init (GstIirEqualizerClass * klass)
{
GstAudioFilterClass *audio_filter_class = (GstAudioFilterClass *) klass;
GstBaseTransformClass *btrans_class = (GstBaseTransformClass *) klass;
GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->finalize = gst_iir_equalizer_finalize;
audio_filter_class->setup = gst_iir_equalizer_setup;
btrans_class->transform_ip = gst_iir_equalizer_transform_ip;
}
static void
gst_iir_equalizer_init (GstIirEqualizer * eq, GstIirEqualizerClass * g_class)
{
/* nothing to do here */
}
static void
gst_iir_equalizer_finalize (GObject * object)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (object);
gint i;
for (i = 0; i < equ->freq_band_count; i++) {
if (equ->bands[i])
gst_object_unparent (GST_OBJECT (equ->bands[i]));
equ->bands[i] = NULL;
}
equ->freq_band_count = 0;
g_free (equ->bands);
g_free (equ->history);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static inline gdouble
arg_to_scale (gdouble arg)
{
return (pow (10.0, arg / 20.0));
}
/* Filter taken from
*
* The Equivalence of Various Methods of Computing
* Biquad Coefficients for Audio Parametric Equalizers
*
* by Robert Bristow-Johnson
*
* http://www.aes.org/e-lib/browse.cfm?elib=6326
* http://www.musicdsp.org/files/EQ-Coefficients.pdf
*
* The bandwidth method that we use here is the preferred
* one from this article transformed from octaves to frequency
* in Hz.
*/
static void
setup_filter (GstIirEqualizer * equ, GstIirEqualizerBand * band)
{
g_return_if_fail (GST_AUDIO_FILTER (equ)->format.rate);
/* FIXME: we need better filters
* - we need shelf-filter for 1st and last band
*/
{
gdouble gain, omega, bw;
gdouble edge_gain, gamma;
gdouble alpha, beta;
gain = arg_to_scale (band->gain);
if (band->freq / GST_AUDIO_FILTER (equ)->format.rate > 0.5)
omega = M_PI;
else if (band->freq < 0.0)
omega = 0.0;
else
omega = 2.0 * M_PI * (band->freq / GST_AUDIO_FILTER (equ)->format.rate);
if (band->width / GST_AUDIO_FILTER (equ)->format.rate >= 0.5) {
/* If bandwidth == 0.5 the calculation below fails as tan(M_PI/2)
* is undefined. So set the bandwidth to a slightly smaller value.
*/
bw = M_PI - 0.00000001;
} else if (band->width <= 0.0) {
/* If bandwidth == 0 this band won't change anything so set
* the coefficients accordingly. The coefficient calculation
* below would create coefficients that for some reason amplify
* the band.
*/
band->a0 = 1.0;
band->a1 = 0.0;
band->a2 = 0.0;
band->b1 = 0.0;
band->b2 = 0.0;
goto out;
} else {
bw = 2.0 * M_PI * (band->width / GST_AUDIO_FILTER (equ)->format.rate);
}
edge_gain = sqrt (gain);
gamma = tan (bw / 2.0);
alpha = gamma * edge_gain;
beta = gamma / edge_gain;
band->a0 = (1.0 + alpha) / (1.0 + beta);
band->a1 = (-2.0 * cos (omega)) / (1.0 + beta);
band->a2 = (1.0 - alpha) / (1.0 + beta);
band->b1 = (2.0 * cos (omega)) / (1.0 + beta);
band->b2 = -(1.0 - beta) / (1.0 + beta);
out:
GST_INFO
("gain = %7.5g, , bandwidth= %7.5g, frequency = %7.5g, a0 = %7.5g, a1 = %7.5g, a2=%7.5g b1 = %7.5g, b2 = %7.5g",
band->gain, band->width, band->freq, band->a0, band->a1, band->a2,
band->b1, band->b2);
}
}
void
gst_iir_equalizer_compute_frequencies (GstIirEqualizer * equ, guint new_count)
{
guint old_count, i;
gdouble freq0, freq1, step;
gchar name[20];
old_count = equ->freq_band_count;
equ->freq_band_count = new_count;
GST_DEBUG ("bands %u -> %u", old_count, new_count);
if (old_count < new_count) {
/* add new bands */
equ->bands = g_realloc (equ->bands, sizeof (GstObject *) * new_count);
for (i = old_count; i < new_count; i++) {
equ->bands[i] = g_object_new (GST_TYPE_IIR_EQUALIZER_BAND, NULL);
/* otherwise they get names like 'iirequalizerband5' */
sprintf (name, "band%u", i);
gst_object_set_name (GST_OBJECT (equ->bands[i]), name);
gst_object_set_parent (GST_OBJECT (equ->bands[i]), GST_OBJECT (equ));
gst_child_proxy_child_added (GST_OBJECT (equ),
GST_OBJECT (equ->bands[i]));
}
} else {
/* free unused bands */
for (i = new_count; i < old_count; i++) {
GST_DEBUG ("removing band[%d]=%p", i, equ->bands[i]);
gst_child_proxy_child_removed (GST_OBJECT (equ),
GST_OBJECT (equ->bands[i]));
gst_object_unparent (GST_OBJECT (equ->bands[i]));
equ->bands[i] = NULL;
}
}
/* free + alloc = no memcpy */
g_free (equ->history);
equ->history =
g_malloc0 (equ->history_size * GST_AUDIO_FILTER (equ)->format.channels *
new_count);
/* set center frequencies and name band objects
* FIXME: arg! we can't change the name of parented objects :(
* application should read band->freq to get the name
*/
step = pow (HIGHEST_FREQ / LOWEST_FREQ, 1.0 / new_count);
freq0 = LOWEST_FREQ;
for (i = 0; i < new_count; i++) {
freq1 = freq0 * step;
equ->bands[i]->freq = freq0 + ((freq1 - freq0) / 2.0);
equ->bands[i]->width = freq1 - freq0;
GST_DEBUG ("band[%2d] = '%lf'", i, equ->bands[i]->freq);
/*
if(equ->bands[i]->freq<10000.0)
sprintf (name,"%dHz",(gint)equ->bands[i]->freq);
else
sprintf (name,"%dkHz",(gint)(equ->bands[i]->freq/1000.0));
gst_object_set_name( GST_OBJECT (equ->bands[i]), name);
GST_DEBUG ("band[%2d] = '%s'",i,name);
*/
freq0 = freq1;
}
if (GST_AUDIO_FILTER (equ)->format.rate) {
for (i = 0; i < new_count; i++) {
setup_filter (equ, equ->bands[i]);
}
}
}
/* start of code that is type specific */
#define CREATE_OPTIMIZED_FUNCTIONS(TYPE,BIG_TYPE,MIN_VAL,MAX_VAL) \
typedef struct { \
TYPE x1, x2; /* history of input values for a filter */ \
TYPE y1, y2; /* history of output values for a filter */ \
} SecondOrderHistory ## TYPE; \
\
static inline TYPE \
one_step_ ## TYPE (GstIirEqualizerBand *filter, \
SecondOrderHistory ## TYPE *history, TYPE input) \
{ \
/* calculate output */ \
TYPE output = filter->a0 * input + filter->a1 * history->x1 + \
filter->a2 * history->x2 + filter->b1 * history->y1 + \
filter->b2 * history->y2; \
/* update history */ \
history->y2 = history->y1; \
history->y1 = output; \
history->x2 = history->x1; \
history->x1 = input; \
\
return output; \
} \
\
static const guint \
history_size_ ## TYPE = sizeof (SecondOrderHistory ## TYPE); \
\
static void \
gst_iir_equ_process_ ## TYPE (GstIirEqualizer *equ, guint8 *data, \
guint size, guint channels) \
{ \
guint frames = size / channels / sizeof (TYPE); \
guint i, c, f; \
BIG_TYPE cur; \
\
for (i = 0; i < frames; i++) { \
for (c = 0; c < channels; c++) { \
SecondOrderHistory ## TYPE *history = equ->history; \
cur = *((TYPE *) data); \
for (f = 0; f < equ->freq_band_count; f++) { \
GstIirEqualizerBand *filter = equ->bands[f]; \
\
cur = one_step_ ## TYPE (filter, history, cur); \
history++; \
} \
cur = CLAMP (cur, MIN_VAL, MAX_VAL); \
*((TYPE *) data) = (TYPE) cur; \
data += sizeof (TYPE); \
} \
} \
}
CREATE_OPTIMIZED_FUNCTIONS (gint16, gint, -32768, 32767);
CREATE_OPTIMIZED_FUNCTIONS (gfloat, gfloat, -1.0, 1.0);
CREATE_OPTIMIZED_FUNCTIONS (gdouble, gdouble, -1.0, 1.0);
static GstFlowReturn
gst_iir_equalizer_transform_ip (GstBaseTransform * btrans, GstBuffer * buf)
{
GstAudioFilter *filter = GST_AUDIO_FILTER (btrans);
GstIirEqualizer *equ = GST_IIR_EQUALIZER (btrans);
GstClockTime timestamp;
if (gst_base_transform_is_passthrough (btrans))
return GST_FLOW_OK;
if (G_UNLIKELY (filter->format.channels < 1 || equ->process == NULL))
return GST_FLOW_NOT_NEGOTIATED;
timestamp = GST_BUFFER_TIMESTAMP (buf);
timestamp =
gst_segment_to_stream_time (&btrans->segment, GST_FORMAT_TIME, timestamp);
if (GST_CLOCK_TIME_IS_VALID (timestamp))
gst_object_sync_values (G_OBJECT (equ), timestamp);
equ->process (equ, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf),
filter->format.channels);
return GST_FLOW_OK;
}
static gboolean
gst_iir_equalizer_setup (GstAudioFilter * audio, GstRingBufferSpec * fmt)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (audio);
switch (fmt->type) {
case GST_BUFTYPE_LINEAR:
switch (fmt->width) {
case 16:
equ->history_size = history_size_gint16;
equ->process = gst_iir_equ_process_gint16;
break;
default:
return FALSE;
}
break;
case GST_BUFTYPE_FLOAT:
switch (fmt->width) {
case 32:
equ->history_size = history_size_gfloat;
equ->process = gst_iir_equ_process_gfloat;
break;
case 64:
equ->history_size = history_size_gdouble;
equ->process = gst_iir_equ_process_gdouble;
break;
default:
return FALSE;
}
break;
default:
return FALSE;
}
gst_iir_equalizer_compute_frequencies (equ, equ->freq_band_count);
return TRUE;
}
static gboolean
plugin_init (GstPlugin * plugin)
{
GST_DEBUG_CATEGORY_INIT (equalizer_debug, "equalizer", 0, "equalizer");
if (!(gst_element_register (plugin, "equalizer-nbands", GST_RANK_NONE,
GST_TYPE_IIR_EQUALIZER_NBANDS)))
return FALSE;
if (!(gst_element_register (plugin, "equalizer-3bands", GST_RANK_NONE,
GST_TYPE_IIR_EQUALIZER_3BANDS)))
return FALSE;
if (!(gst_element_register (plugin, "equalizer-10bands", GST_RANK_NONE,
GST_TYPE_IIR_EQUALIZER_10BANDS)))
return FALSE;
return TRUE;
}
GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
GST_VERSION_MINOR,
"equalizer",
"GStreamer audio equalizers",
plugin_init, VERSION, GST_LICENSE, GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)

75
gst/equalizer/gstiirequalizer.h
View file

@ -1,75 +0,0 @@
/* GStreamer IIR equalizer
* Copyright (C) <2004> Benjamin Otte <otte@gnome.org>
* <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.
*/
#ifndef __GST_IIR_EQUALIZER__
#define __GST_IIR_EQUALIZER__
#include <gst/audio/gstaudiofilter.h>
#include <gst/audio/gstringbuffer.h>
#include <gst/controller/gstcontroller.h>
typedef struct _GstIirEqualizer GstIirEqualizer;
typedef struct _GstIirEqualizerClass GstIirEqualizerClass;
typedef struct _GstIirEqualizerBand GstIirEqualizerBand;
#define GST_TYPE_IIR_EQUALIZER \
(gst_iir_equalizer_get_type())
#define GST_IIR_EQUALIZER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IIR_EQUALIZER,GstIirEqualizer))
#define GST_IIR_EQUALIZER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IIR_EQUALIZER,GstIirEqualizerClass))
#define GST_IS_IIR_EQUALIZER(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IIR_EQUALIZER))
#define GST_IS_IIR_EQUALIZER_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IIR_EQUALIZER))
#define LOWEST_FREQ (20.0)
#define HIGHEST_FREQ (20000.0)
typedef void (*ProcessFunc) (GstIirEqualizer * eq, guint8 * data, guint size,
guint channels);
struct _GstIirEqualizer
{
GstAudioFilter audiofilter;
/*< private >*/
GstIirEqualizerBand **bands;
/* properties */
guint freq_band_count;
/* for each band and channel */
gpointer history;
guint history_size;
ProcessFunc process;
};
struct _GstIirEqualizerClass
{
GstAudioFilterClass audiofilter_class;
};
extern void gst_iir_equalizer_compute_frequencies (GstIirEqualizer * equ, guint new_count);
extern GType gst_iir_equalizer_get_type(void);
#endif /* __GST_IIR_EQUALIZER__ */

230
gst/equalizer/gstiirequalizer10bands.c
View file

@ -1,230 +0,0 @@
/* 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
* @short_description: 10-band equalizer
*
* <refsect2>
* <para>
* The 10 band equalizer element allows to change the gain of 10 equally distributed
* frequency bands between 30 Hz and 15 kHz.
* </para>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch filesrc location=song.ogg ! oggdemux ! vorbisdec ! audioconvert ! equalizer-10bands band2=3.0 ! alsasink
* </programlisting>
* This raises the volume of the 3rd band which is at 119 Hz by 3 db.
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstiirequalizer.h"
#include "gstiirequalizer10bands.h"
enum
{
ARG_BAND0 = 1,
ARG_BAND1,
ARG_BAND2,
ARG_BAND3,
ARG_BAND4,
ARG_BAND5,
ARG_BAND6,
ARG_BAND7,
ARG_BAND8,
ARG_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
GST_BOILERPLATE (GstIirEqualizer10Bands, gst_iir_equalizer_10bands,
GstIirEqualizer, GST_TYPE_IIR_EQUALIZER);
/* equalizer implementation */
static void
gst_iir_equalizer_10bands_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
const GstElementDetails iir_equalizer_details =
GST_ELEMENT_DETAILS ("10 Band Equalizer",
"Filter/Effect/Audio",
"Direct Form 10 band IIR equalizer",
"Stefan Kost <ensonic@users.sf.net>");
gst_element_class_set_details (element_class, &iir_equalizer_details);
}
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, ARG_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 | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_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 | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_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 | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_BAND3,
g_param_spec_double ("band3", "227 Hz",
"gain for the frequency band 227 Hz, ranging from -24 dB to +12 dB",
-24.0, 12.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_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 | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_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 | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_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 | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_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 | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_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 | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_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 | 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 ARG_BAND0:
gst_child_proxy_set_property (GST_OBJECT (equ), "band0::gain", value);
break;
case ARG_BAND1:
gst_child_proxy_set_property (GST_OBJECT (equ), "band1::gain", value);
break;
case ARG_BAND2:
gst_child_proxy_set_property (GST_OBJECT (equ), "band2::gain", value);
break;
case ARG_BAND3:
gst_child_proxy_set_property (GST_OBJECT (equ), "band3::gain", value);
break;
case ARG_BAND4:
gst_child_proxy_set_property (GST_OBJECT (equ), "band4::gain", value);
break;
case ARG_BAND5:
gst_child_proxy_set_property (GST_OBJECT (equ), "band5::gain", value);
break;
case ARG_BAND6:
gst_child_proxy_set_property (GST_OBJECT (equ), "band6::gain", value);
break;
case ARG_BAND7:
gst_child_proxy_set_property (GST_OBJECT (equ), "band7::gain", value);
break;
case ARG_BAND8:
gst_child_proxy_set_property (GST_OBJECT (equ), "band8::gain", value);
break;
case ARG_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 ARG_BAND0:
gst_child_proxy_get_property (GST_OBJECT (equ), "band0::gain", value);
break;
case ARG_BAND1:
gst_child_proxy_get_property (GST_OBJECT (equ), "band1::gain", value);
break;
case ARG_BAND2:
gst_child_proxy_get_property (GST_OBJECT (equ), "band2::gain", value);
break;
case ARG_BAND3:
gst_child_proxy_get_property (GST_OBJECT (equ), "band3::gain", value);
break;
case ARG_BAND4:
gst_child_proxy_get_property (GST_OBJECT (equ), "band4::gain", value);
break;
case ARG_BAND5:
gst_child_proxy_get_property (GST_OBJECT (equ), "band5::gain", value);
break;
case ARG_BAND6:
gst_child_proxy_get_property (GST_OBJECT (equ), "band6::gain", value);
break;
case ARG_BAND7:
gst_child_proxy_get_property (GST_OBJECT (equ), "band7::gain", value);
break;
case ARG_BAND8:
gst_child_proxy_get_property (GST_OBJECT (equ), "band8::gain", value);
break;
case ARG_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;
}
}

51
gst/equalizer/gstiirequalizer10bands.h
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@ -1,51 +0,0 @@
/* 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.
*/
#ifndef __GST_IIR_EQUALIZER_10BANDS__
#define __GST_IIR_EQUALIZER_10BANDS__
#include "gstiirequalizer.h"
typedef struct _GstIirEqualizer10Bands GstIirEqualizer10Bands;
typedef struct _GstIirEqualizer10BandsClass GstIirEqualizer10BandsClass;
#define GST_TYPE_IIR_EQUALIZER_10BANDS \
(gst_iir_equalizer_10bands_get_type())
#define GST_IIR_EQUALIZER_10BANDS(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IIR_EQUALIZER_10BANDS,GstIirEqualizer10Bands))
#define GST_IIR_EQUALIZER_10BANDS_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IIR_EQUALIZER_10BANDS,GstIirEqualizer10BandsClass))
#define GST_IS_IIR_EQUALIZER_10BANDS(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IIR_EQUALIZER_10BANDS))
#define GST_IS_IIR_EQUALIZER_10BANDS_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IIR_EQUALIZER_10BANDS))
struct _GstIirEqualizer10Bands
{
GstIirEqualizer equalizer;
};
struct _GstIirEqualizer10BandsClass
{
GstIirEqualizer equalizer_class;
};
extern GType gst_iir_equalizer_10bands_get_type(void);
#endif /* __GST_IIR_EQUALIZER_10BANDS__ */

152
gst/equalizer/gstiirequalizer3bands.c
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@ -1,152 +0,0 @@
/* 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-3bands
* @short_description: 3-band equalizer
*
* <refsect2>
* <para>
* The 3-band equalizer element allows to change the gain of a low frequency,
* medium frequency and high frequency band.
* </para>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch filesrc location=song.ogg ! oggdemux ! vorbisdec ! audioconvert ! equalizer-3bands band1=6.0 ! alsasink
* </programlisting>
* This raises the volume of the 2nd band, which is at 1110 Hz, by 6 db.
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstiirequalizer.h"
#include "gstiirequalizer3bands.h"
enum
{
ARG_BAND0 = 1,
ARG_BAND1,
ARG_BAND2,
};
static void gst_iir_equalizer_3bands_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_iir_equalizer_3bands_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
GST_DEBUG_CATEGORY_EXTERN (equalizer_debug);
#define GST_CAT_DEFAULT equalizer_debug
GST_BOILERPLATE (GstIirEqualizer3Bands, gst_iir_equalizer_3bands,
GstIirEqualizer, GST_TYPE_IIR_EQUALIZER);
/* equalizer implementation */
static void
gst_iir_equalizer_3bands_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
const GstElementDetails iir_equalizer_details =
GST_ELEMENT_DETAILS ("3 Band Equalizer",
"Filter/Effect/Audio",
"Direct Form 3 band IIR equalizer",
"Stefan Kost <ensonic@users.sf.net>");
gst_element_class_set_details (element_class, &iir_equalizer_details);
}
static void
gst_iir_equalizer_3bands_class_init (GstIirEqualizer3BandsClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_iir_equalizer_3bands_set_property;
gobject_class->get_property = gst_iir_equalizer_3bands_get_property;
g_object_class_install_property (gobject_class, ARG_BAND0,
g_param_spec_double ("band0", "110 Hz",
"gain for the frequency band 100 Hz, ranging from -24.0 to +12.0",
-24.0, 12.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_BAND1,
g_param_spec_double ("band1", "1100 Hz",
"gain for the frequency band 1100 Hz, ranging from -24.0 to +12.0",
-24.0, 12.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, ARG_BAND2,
g_param_spec_double ("band2", "11 kHz",
"gain for the frequency band 11 kHz, ranging from -24.0 to +12.0",
-24.0, 12.0, 0.0, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
}
static void
gst_iir_equalizer_3bands_init (GstIirEqualizer3Bands * equ_n,
GstIirEqualizer3BandsClass * g_class)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (equ_n);
gst_iir_equalizer_compute_frequencies (equ, 3);
}
static void
gst_iir_equalizer_3bands_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (object);
switch (prop_id) {
case ARG_BAND0:
gst_child_proxy_set_property (GST_OBJECT (equ), "band0::gain", value);
break;
case ARG_BAND1:
gst_child_proxy_set_property (GST_OBJECT (equ), "band1::gain", value);
break;
case ARG_BAND2:
gst_child_proxy_set_property (GST_OBJECT (equ), "band2::gain", value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gst_iir_equalizer_3bands_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (object);
switch (prop_id) {
case ARG_BAND0:
gst_child_proxy_get_property (GST_OBJECT (equ), "band0::gain", value);
break;
case ARG_BAND1:
gst_child_proxy_get_property (GST_OBJECT (equ), "band1::gain", value);
break;
case ARG_BAND2:
gst_child_proxy_get_property (GST_OBJECT (equ), "band2::gain", value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}

51
gst/equalizer/gstiirequalizer3bands.h
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@ -1,51 +0,0 @@
/* 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.
*/
#ifndef __GST_IIR_EQUALIZER_3BANDS__
#define __GST_IIR_EQUALIZER_3BANDS__
#include "gstiirequalizer.h"
typedef struct _GstIirEqualizer3Bands GstIirEqualizer3Bands;
typedef struct _GstIirEqualizer3BandsClass GstIirEqualizer3BandsClass;
#define GST_TYPE_IIR_EQUALIZER_3BANDS \
(gst_iir_equalizer_3bands_get_type())
#define GST_IIR_EQUALIZER_3BANDS(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IIR_EQUALIZER_3BANDS,GstIirEqualizer3Bands))
#define GST_IIR_EQUALIZER_3BANDS_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IIR_EQUALIZER_3BANDS,GstIirEqualizer3BandsClass))
#define GST_IS_IIR_EQUALIZER_3BANDS(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IIR_EQUALIZER_3BANDS))
#define GST_IS_IIR_EQUALIZER_3BANDS_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IIR_EQUALIZER_3BANDS))
struct _GstIirEqualizer3Bands
{
GstIirEqualizer equalizer;
};
struct _GstIirEqualizer3BandsClass
{
GstIirEqualizer equalizer_class;
};
extern GType gst_iir_equalizer_3bands_get_type(void);
#endif /* __GST_IIR_EQUALIZER_3BANDS__ */

183
gst/equalizer/gstiirequalizernbands.c
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@ -1,183 +0,0 @@
/* GStreamer
* Copyright (C) <2004> Benjamin Otte <otte@gnome.org>
* <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-nbands
* @short_description: Fully parametric N-band equalizer
*
* <refsect2>
* <para>
* The n-band equalizer element is a fully parametric equalizer. It allows to
* select between 1 and 64 bands and has properties on each band to change
* the center frequency, band width and gain.
* </para>
* <title>Example launch line</title>
* <para>
* <programlisting>
* gst-launch filesrc location=song.ogg ! oggdemux ! vorbisdec ! audioconvert ! equalizer-nbands num-bands=15 band5::gain=6.0 ! alsasink
* </programlisting>
* This make the equalizer use 15 bands and raises the volume of the 5th band by 6 db.
* </para>
* <title>Example code</title>
* <para>
* <programlisting>
#include &lt;gst/gst.h&gt;
...
typedef struct {
gfloat freq;
gfloat width;
gfloat gain;
} GstEqualizerBandState;
...
GstElement *equalizer;
GstObject *band;
gint i;
GstEqualizerBandState state[] = {
{ 120.0, 50.0, - 3.0},
{ 500.0, 20.0, 12.0},
{1503.0, 2.0, -20.0},
{6000.0, 1000.0, 6.0},
{3000.0, 120.0, 2.0}
};
...
equalizer = gst_element_factory_make ("equalizer-nbands", "equalizer");
g_object_set (G_OBJECT (equalizer), "num-bands", 5, NULL);
...
for (i = 0; i &lt; 5; i++) {
band = gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
g_object_set (G_OBJECT (band), "freq", state[i].freq,
"bandwidth", state[i].width,
"gain", state[i].gain);
g_object_unref (G_OBJECT (band));
}
...
* </programlisting>
* </para>
* </refsect2>
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "gstiirequalizer.h"
#include "gstiirequalizernbands.h"
enum
{
ARG_NUM_BANDS = 1
};
static void gst_iir_equalizer_nbands_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
static void gst_iir_equalizer_nbands_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
GST_DEBUG_CATEGORY_EXTERN (equalizer_debug);
#define GST_CAT_DEFAULT equalizer_debug
GST_BOILERPLATE (GstIirEqualizerNBands, gst_iir_equalizer_nbands,
GstIirEqualizer, GST_TYPE_IIR_EQUALIZER);
/* equalizer implementation */
static void
gst_iir_equalizer_nbands_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
const GstElementDetails iir_equalizer_details =
GST_ELEMENT_DETAILS ("N Band Equalizer",
"Filter/Effect/Audio",
"Direct Form IIR equalizer",
"Benjamin Otte <otte@gnome.org>," " Stefan Kost <ensonic@users.sf.net>");
gst_element_class_set_details (element_class, &iir_equalizer_details);
}
static void
gst_iir_equalizer_nbands_class_init (GstIirEqualizerNBandsClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
gobject_class->set_property = gst_iir_equalizer_nbands_set_property;
gobject_class->get_property = gst_iir_equalizer_nbands_get_property;
g_object_class_install_property (gobject_class, ARG_NUM_BANDS,
g_param_spec_uint ("num-bands", "num-bands",
"number of different bands to use", 1, 64, 10,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
}
static void
gst_iir_equalizer_nbands_init (GstIirEqualizerNBands * equ_n,
GstIirEqualizerNBandsClass * g_class)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (equ_n);
gst_iir_equalizer_compute_frequencies (equ, 10);
}
static void
gst_iir_equalizer_nbands_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (object);
GST_BASE_TRANSFORM_LOCK (equ);
GST_OBJECT_LOCK (equ);
switch (prop_id) {
case ARG_NUM_BANDS:
gst_iir_equalizer_compute_frequencies (equ, g_value_get_uint (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
GST_OBJECT_UNLOCK (equ);
GST_BASE_TRANSFORM_UNLOCK (equ);
}
static void
gst_iir_equalizer_nbands_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
GstIirEqualizer *equ = GST_IIR_EQUALIZER (object);
switch (prop_id) {
case ARG_NUM_BANDS:
g_value_set_uint (value, equ->freq_band_count);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}

52
gst/equalizer/gstiirequalizernbands.h
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@ -1,52 +0,0 @@
/* GStreamer
* Copyright (C) <2004> Benjamin Otte <otte@gnome.org>
* <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.
*/
#ifndef __GST_IIR_EQUALIZER_NBANDS__
#define __GST_IIR_EQUALIZER_NBANDS__
#include "gstiirequalizer.h"
typedef struct _GstIirEqualizerNBands GstIirEqualizerNBands;
typedef struct _GstIirEqualizerNBandsClass GstIirEqualizerNBandsClass;
#define GST_TYPE_IIR_EQUALIZER_NBANDS \
(gst_iir_equalizer_nbands_get_type())
#define GST_IIR_EQUALIZER_NBANDS(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_IIR_EQUALIZER_NBANDS,GstIirEqualizerNBands))
#define GST_IIR_EQUALIZER_NBANDS_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_IIR_EQUALIZER_NBANDS,GstIirEqualizerNBandsClass))
#define GST_IS_IIR_EQUALIZER_NBANDS(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_IIR_EQUALIZER_NBANDS))
#define GST_IS_IIR_EQUALIZER_NBANDS_CLASS(klass) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_IIR_EQUALIZER_NBANDS))
struct _GstIirEqualizerNBands
{
GstIirEqualizer equalizer;
};
struct _GstIirEqualizerNBandsClass
{
GstIirEqualizer equalizer_class;
};
extern GType gst_iir_equalizer_nbands_get_type(void);
#endif /* __GST_IIR_EQUALIZER_NBANDS__ */

1
tests/check/Makefile.am
View file

@ -67,7 +67,6 @@ check_PROGRAMS = \
$(check_neon) \
$(check_soup) \
$(check_timidity) \
elements/equalizer \
elements/interleave \
elements/multifile \
elements/rganalysis \

3
tests/check/elements/.gitignore vendored
View file

@ -1,11 +1,8 @@
.dirstamp
bpwsinc
deinterleave
equalizer
gdpdepay
gdppay
interleave
lpwsinc
mpeg2enc
neonhttpsrc
souphttpsrc

331
tests/check/elements/equalizer.c
View file

@ -1,331 +0,0 @@
/* GStreamer
*
* Copyright (C) 2008 Sebastian Dröge <slomo@circular-chaos.org>
*
* equalizer.c: Unit test for the equalizer element
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA
*/
#include <gst/gst.h>
#include <gst/base/gstbasetransform.h>
#include <gst/check/gstcheck.h>
#include <math.h>
/* For ease of programming we use globals to keep refs for our floating
* src and sink pads we create; otherwise we always have to do get_pad,
* get_peer, and then remove references in every test function */
GstPad *mysrcpad, *mysinkpad;
#define EQUALIZER_CAPS_STRING \
"audio/x-raw-float, " \
"channels = (int) 1, " \
"rate = (int) 48000, " \
"endianness = (int) BYTE_ORDER, " \
"width = (int) 64" \
static GstStaticPadTemplate sinktemplate = GST_STATIC_PAD_TEMPLATE ("sink",
GST_PAD_SINK,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-float, "
"channels = (int) 1, "
"rate = (int) 48000, "
"endianness = (int) BYTE_ORDER, " "width = (int) 64 ")
);
static GstStaticPadTemplate srctemplate = GST_STATIC_PAD_TEMPLATE ("src",
GST_PAD_SRC,
GST_PAD_ALWAYS,
GST_STATIC_CAPS ("audio/x-raw-float, "
"channels = (int) 1, "
"rate = (int) 48000, "
"endianness = (int) BYTE_ORDER, " "width = (int) 64 ")
);
GstElement *
setup_equalizer ()
{
GstElement *equalizer;
GST_DEBUG ("setup_equalizer");
equalizer = gst_check_setup_element ("equalizer-nbands");
mysrcpad = gst_check_setup_src_pad (equalizer, &srctemplate, NULL);
mysinkpad = gst_check_setup_sink_pad (equalizer, &sinktemplate, NULL);
gst_pad_set_active (mysrcpad, TRUE);
gst_pad_set_active (mysinkpad, TRUE);
return equalizer;
}
void
cleanup_equalizer (GstElement * equalizer)
{
GST_DEBUG ("cleanup_equalizer");
g_list_foreach (buffers, (GFunc) gst_mini_object_unref, NULL);
g_list_free (buffers);
buffers = NULL;
gst_pad_set_active (mysrcpad, FALSE);
gst_pad_set_active (mysinkpad, FALSE);
gst_check_teardown_src_pad (equalizer);
gst_check_teardown_sink_pad (equalizer);
gst_check_teardown_element (equalizer);
}
GST_START_TEST (test_equalizer_5bands_passthrough)
{
GstElement *equalizer;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res;
gint i;
equalizer = setup_equalizer ();
g_object_set (G_OBJECT (equalizer), "num-bands", 5, NULL);
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
(equalizer)), 5);
fail_unless (gst_element_set_state (equalizer,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
in = (gdouble *) GST_BUFFER_DATA (inbuffer);
for (i = 0; i < 1024; i++)
in[i] = g_random_double_range (-1.0, 1.0);
caps = gst_caps_from_string (EQUALIZER_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* ... and puts a new buffer on the global list */
fail_unless (g_list_length (buffers) == 1);
res = (gdouble *) GST_BUFFER_DATA (GST_BUFFER (buffers->data));
for (i = 0; i < 1024; i++)
fail_unless_equals_float (in[i], res[i]);
/* cleanup */
cleanup_equalizer (equalizer);
}
GST_END_TEST;
GST_START_TEST (test_equalizer_5bands_minus_24)
{
GstElement *equalizer;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res, rms_in, rms_out;
gint i;
equalizer = setup_equalizer ();
g_object_set (G_OBJECT (equalizer), "num-bands", 5, NULL);
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
(equalizer)), 5);
for (i = 0; i < 5; i++) {
GstObject *band =
gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
fail_unless (band != NULL);
g_object_set (G_OBJECT (band), "gain", -24.0, 0);
g_object_unref (G_OBJECT (band));
}
fail_unless (gst_element_set_state (equalizer,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
in = (gdouble *) GST_BUFFER_DATA (inbuffer);
for (i = 0; i < 1024; i++)
in[i] = g_random_double_range (-1.0, 1.0);
rms_in = 0.0;
for (i = 0; i < 1024; i++)
rms_in += in[i] * in[i];
rms_in = sqrt (rms_in / 1024);
caps = gst_caps_from_string (EQUALIZER_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* ... and puts a new buffer on the global list */
fail_unless (g_list_length (buffers) == 1);
res = (gdouble *) GST_BUFFER_DATA (GST_BUFFER (buffers->data));
rms_out = 0.0;
for (i = 0; i < 1024; i++)
rms_out += res[i] * res[i];
rms_out = sqrt (rms_out / 1024);
fail_unless (rms_in > rms_out);
/* cleanup */
cleanup_equalizer (equalizer);
}
GST_END_TEST;
GST_START_TEST (test_equalizer_5bands_plus_12)
{
GstElement *equalizer;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res, rms_in, rms_out;
gint i;
equalizer = setup_equalizer ();
g_object_set (G_OBJECT (equalizer), "num-bands", 5, NULL);
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
(equalizer)), 5);
for (i = 0; i < 5; i++) {
GstObject *band =
gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
fail_unless (band != NULL);
g_object_set (G_OBJECT (band), "gain", 12.0, 0);
g_object_unref (G_OBJECT (band));
}
fail_unless (gst_element_set_state (equalizer,
GST_STATE_PLAYING) == GST_STATE_CHANGE_SUCCESS,
"could not set to playing");
inbuffer = gst_buffer_new_and_alloc (1024 * sizeof (gdouble));
in = (gdouble *) GST_BUFFER_DATA (inbuffer);
for (i = 0; i < 1024; i++)
in[i] = g_random_double_range (-1.0, 1.0);
rms_in = 0.0;
for (i = 0; i < 1024; i++)
rms_in += in[i] * in[i];
rms_in = sqrt (rms_in / 1024);
caps = gst_caps_from_string (EQUALIZER_CAPS_STRING);
gst_buffer_set_caps (inbuffer, caps);
gst_caps_unref (caps);
ASSERT_BUFFER_REFCOUNT (inbuffer, "inbuffer", 1);
/* pushing gives away my reference ... */
fail_unless (gst_pad_push (mysrcpad, inbuffer) == GST_FLOW_OK);
fail_unless (gst_pad_push_event (mysrcpad, gst_event_new_eos ()));
/* ... and puts a new buffer on the global list */
fail_unless (g_list_length (buffers) == 1);
res = (gdouble *) GST_BUFFER_DATA (GST_BUFFER (buffers->data));
rms_out = 0.0;
for (i = 0; i < 1024; i++)
rms_out += res[i] * res[i];
rms_out = sqrt (rms_out / 1024);
fail_unless (rms_in < rms_out);
/* cleanup */
cleanup_equalizer (equalizer);
}
GST_END_TEST;
GST_START_TEST (test_equalizer_band_number_changing)
{
GstElement *equalizer;
GstBuffer *inbuffer, *outbuffer;
GstCaps *caps;
gdouble *in, *res;
gint i;
equalizer = setup_equalizer ();
g_object_set (G_OBJECT (equalizer), "num-bands", 5, NULL);
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
(equalizer)), 5);
for (i = 0; i < 5; i++) {
GstObject *band;
gdouble freq;
band = gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
fail_unless (band != NULL);
gst_object_unref (band);
}
g_object_set (G_OBJECT (equalizer), "num-bands", 10, NULL);
fail_unless_equals_int (gst_child_proxy_get_children_count (GST_CHILD_PROXY
(equalizer)), 10);
for (i = 0; i < 10; i++) {
GstObject *band;
band = gst_child_proxy_get_child_by_index (GST_CHILD_PROXY (equalizer), i);
fail_unless (band != NULL);
gst_object_unref (band);
}
/* cleanup */
cleanup_equalizer (equalizer);
}
GST_END_TEST;
Suite *
equalizer_suite (void)
{
Suite *s = suite_create ("equalizer");
TCase *tc_chain = tcase_create ("general");
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_equalizer_5bands_passthrough);
tcase_add_test (tc_chain, test_equalizer_5bands_minus_24);
tcase_add_test (tc_chain, test_equalizer_5bands_plus_12);
tcase_add_test (tc_chain, test_equalizer_band_number_changing);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = equalizer_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}