*
* 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.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*
*/
#include <math.h>
#include <gst/gst.h>
#include <gst/audio/gstaudiofilter.h>
-#include <gst/controller/gstcontroller.h>
#include "audioiirfilter.h"
static guint gst_audio_iir_filter_signals[LAST_SIGNAL] = { 0, };
-#define DEBUG_INIT(bla) \
- GST_DEBUG_CATEGORY_INIT (gst_audio_iir_filter_debug, "audioiirfilter", 0, \
- "Generic audio IIR filter plugin");
-
-GST_BOILERPLATE_FULL (GstAudioIIRFilter, gst_audio_iir_filter, GstAudioFilter,
- GST_TYPE_AUDIO_FX_BASE_IIR_FILTER, DEBUG_INIT);
+#define gst_audio_iir_filter_parent_class parent_class
+G_DEFINE_TYPE (GstAudioIIRFilter, gst_audio_iir_filter,
+ GST_TYPE_AUDIO_FX_BASE_IIR_FILTER);
static void gst_audio_iir_filter_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
static void gst_audio_iir_filter_finalize (GObject * object);
static gboolean gst_audio_iir_filter_setup (GstAudioFilter * base,
- GstRingBufferSpec * format);
-
-/* Element class */
-static void
-gst_audio_iir_filter_base_init (gpointer g_class)
-{
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_set_details_simple (element_class,
- "Audio IIR filter", "Filter/Effect/Audio",
- "Generic audio IIR filter with custom filter kernel",
- "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
-}
+ const GstAudioInfo * info);
static void
gst_audio_iir_filter_class_init (GstAudioIIRFilterClass * klass)
{
GObjectClass *gobject_class = (GObjectClass *) klass;
+ GstElementClass *gstelement_class = (GstElementClass *) klass;
GstAudioFilterClass *filter_class = (GstAudioFilterClass *) klass;
+ GST_DEBUG_CATEGORY_INIT (gst_audio_iir_filter_debug, "audioiirfilter", 0,
+ "Generic audio IIR filter plugin");
+
gobject_class->set_property = gst_audio_iir_filter_set_property;
gobject_class->get_property = gst_audio_iir_filter_get_property;
gobject_class->finalize = gst_audio_iir_filter_finalize;
g_object_class_install_property (gobject_class, PROP_A,
g_param_spec_value_array ("a", "A",
- "Filter coefficients (numerator of transfer function)",
+ "Filter coefficients (denominator of transfer function)",
g_param_spec_double ("Coefficient", "Filter Coefficient",
"Filter coefficient", -G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS),
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
g_object_class_install_property (gobject_class, PROP_B,
g_param_spec_value_array ("b", "B",
- "Filter coefficients (denominator of transfer function)",
+ "Filter coefficients (numerator of transfer function)",
g_param_spec_double ("Coefficient", "Filter Coefficient",
"Filter coefficient", -G_MAXDOUBLE, G_MAXDOUBLE, 0.0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS),
gst_audio_iir_filter_signals[SIGNAL_RATE_CHANGED] =
g_signal_new ("rate-changed", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (GstAudioIIRFilterClass, rate_changed),
- NULL, NULL, gst_marshal_VOID__INT, G_TYPE_NONE, 1, G_TYPE_INT);
+ NULL, NULL, NULL, G_TYPE_NONE, 1, G_TYPE_INT);
+
+ gst_element_class_set_static_metadata (gstelement_class,
+ "Audio IIR filter", "Filter/Effect/Audio",
+ "Generic audio IIR filter with custom filter kernel",
+ "Sebastian Dröge <sebastian.droege@collabora.co.uk>");
}
static void
}
static void
-gst_audio_iir_filter_init (GstAudioIIRFilter * self,
- GstAudioIIRFilterClass * g_class)
+gst_audio_iir_filter_init (GstAudioIIRFilter * self)
{
GValue v = { 0, };
GValueArray *a, *b;
b = NULL;
gst_audio_iir_filter_update_coefficients (self, a, b);
- self->lock = g_mutex_new ();
+ g_mutex_init (&self->lock);
}
/* GstAudioFilter vmethod implementations */
/* get notified of caps and plug in the correct process function */
static gboolean
-gst_audio_iir_filter_setup (GstAudioFilter * base, GstRingBufferSpec * format)
+gst_audio_iir_filter_setup (GstAudioFilter * base, const GstAudioInfo * info)
{
GstAudioIIRFilter *self = GST_AUDIO_IIR_FILTER (base);
+ gint new_rate = GST_AUDIO_INFO_RATE (info);
- if (self->rate != format->rate) {
+ if (GST_AUDIO_FILTER_RATE (self) != new_rate) {
g_signal_emit (G_OBJECT (self),
- gst_audio_iir_filter_signals[SIGNAL_RATE_CHANGED], 0, format->rate);
- self->rate = format->rate;
+ gst_audio_iir_filter_signals[SIGNAL_RATE_CHANGED], 0, new_rate);
}
- return GST_AUDIO_FILTER_CLASS (parent_class)->setup (base, format);
+ return GST_AUDIO_FILTER_CLASS (parent_class)->setup (base, info);
}
static void
{
GstAudioIIRFilter *self = GST_AUDIO_IIR_FILTER (object);
- g_mutex_free (self->lock);
- self->lock = NULL;
+ g_mutex_clear (&self->lock);
if (self->a)
g_value_array_free (self->a);
switch (prop_id) {
case PROP_A:
- g_mutex_lock (self->lock);
+ g_mutex_lock (&self->lock);
gst_audio_iir_filter_update_coefficients (self, g_value_dup_boxed (value),
NULL);
- g_mutex_unlock (self->lock);
+ g_mutex_unlock (&self->lock);
break;
case PROP_B:
- g_mutex_lock (self->lock);
+ g_mutex_lock (&self->lock);
gst_audio_iir_filter_update_coefficients (self, NULL,
g_value_dup_boxed (value));
- g_mutex_unlock (self->lock);
+ g_mutex_unlock (&self->lock);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);