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:
Make DISABLE_DEPRECATED defined *only* during CVS, not during
pre-releases or releases.
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
cdxaparse \
deinterlace \
dvdspu \
- equalizer \
festival \
filter \
flv \
gst/cdxaparse/Makefile
gst/deinterlace/Makefile
gst/dvdspu/Makefile
-gst/equalizer/Makefile
gst/festival/Makefile
gst/filter/Makefile
gst/flv/Makefile
$(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 \
<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" />
<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" />
<chapter>
<title>gst-plugins-bad Classes</title>
<xi:include href="xml/gstbasemetadata.xml" />
- <xi:include href="xml/gstiirequalizer.xml" />
</chapter>
</book>
</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>
GstFestival
+++ /dev/null
-<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 <ensonic@users.sf.net></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 <ensonic@users.sf.net></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 <otte@gnome.org>, Stefan Kost <ensonic@users.sf.net></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>
\ No newline at end of file
+++ /dev/null
-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)
-
+++ /dev/null
-#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;
-}
+++ /dev/null
-/* 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)
+++ /dev/null
-/* 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__ */
+++ /dev/null
-/* 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;
- }
-}
+++ /dev/null
-/* 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__ */
+++ /dev/null
-/* 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;
- }
-}
+++ /dev/null
-/* 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__ */
+++ /dev/null
-/* 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 <gst/gst.h>
-
-...
-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 < 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;
- }
-}
+++ /dev/null
-/* 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__ */
$(check_neon) \
$(check_soup) \
$(check_timidity) \
- elements/equalizer \
elements/interleave \
elements/multifile \
elements/rganalysis \
.dirstamp
-bpwsinc
deinterleave
-equalizer
gdpdepay
gdppay
interleave
-lpwsinc
mpeg2enc
neonhttpsrc
souphttpsrc
+++ /dev/null
-/* 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;
-}
projects / platform / upstream / gstreamer.git / commitdiff