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-rw-r--r--gst/audiofx/audiochebband.c114
1 files changed, 55 insertions, 59 deletions
diff --git a/gst/audiofx/audiochebband.c b/gst/audiofx/audiochebband.c
index 03978a79..e0fe9492 100644
--- a/gst/audiofx/audiochebband.c
+++ b/gst/audiofx/audiochebband.c
@@ -33,7 +33,7 @@
*/
/**
- * SECTION:element-audiochebyshevfreqband
+ * SECTION:element-audiochebband
* @short_description: Chebyshev band pass and band reject filter
*
* <refsect2>
@@ -65,9 +65,9 @@
* <title>Example launch line</title>
* <para>
* <programlisting>
- * gst-launch audiotestsrc freq=1500 ! audioconvert ! audiochebyshevfreqband mode=band-pass lower-frequency=1000 upper-frequenc=6000 poles=4 ! audioconvert ! alsasink
- * gst-launch filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! audiochebyshevfreqband mode=band-reject lower-frequency=1000 upper-frequency=4000 ripple=0.2 ! audioconvert ! alsasink
- * gst-launch audiotestsrc wave=white-noise ! audioconvert ! audiochebyshevfreqband mode=band-pass lower-frequency=1000 upper-frequency=4000 type=2 ! audioconvert ! alsasink
+ * gst-launch audiotestsrc freq=1500 ! audioconvert ! audiochebband mode=band-pass lower-frequency=1000 upper-frequenc=6000 poles=4 ! audioconvert ! alsasink
+ * gst-launch filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! audiochebband mode=band-reject lower-frequency=1000 upper-frequency=4000 ripple=0.2 ! audioconvert ! alsasink
+ * gst-launch audiotestsrc wave=white-noise ! audioconvert ! audiochebband mode=band-pass lower-frequency=1000 upper-frequency=4000 type=2 ! audioconvert ! alsasink
* </programlisting>
* </para>
* </refsect2>
@@ -85,13 +85,13 @@
#include <math.h>
-#include "audiochebyshevfreqband.h"
+#include "audiochebband.h"
-#define GST_CAT_DEFAULT gst_audio_chebyshev_freq_band_debug
+#define GST_CAT_DEFAULT gst_audio_cheb_band_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
static const GstElementDetails element_details =
-GST_ELEMENT_DETAILS ("AudioChebyshevFreqBand",
+GST_ELEMENT_DETAILS ("AudioChebBand",
"Filter/Effect/Audio",
"Chebyshev band pass and band reject filter",
"Sebastian Dröge <slomo@circular-chaos.org>");
@@ -122,26 +122,25 @@ enum
" channels = (int) [ 1, MAX ]"
#define DEBUG_INIT(bla) \
- GST_DEBUG_CATEGORY_INIT (gst_audio_chebyshev_freq_band_debug, "audiochebyshevfreqband", 0, "audiochebyshevfreqband element");
+ GST_DEBUG_CATEGORY_INIT (gst_audio_cheb_band_debug, "audiochebband", 0, "audiochebband element");
-GST_BOILERPLATE_FULL (GstAudioChebyshevFreqBand, gst_audio_chebyshev_freq_band,
+GST_BOILERPLATE_FULL (GstAudioChebBand, gst_audio_cheb_band,
GstAudioFilter, GST_TYPE_AUDIO_FILTER, DEBUG_INIT);
-static void gst_audio_chebyshev_freq_band_set_property (GObject * object,
+static void gst_audio_cheb_band_set_property (GObject * object,
guint prop_id, const GValue * value, GParamSpec * pspec);
-static void gst_audio_chebyshev_freq_band_get_property (GObject * object,
+static void gst_audio_cheb_band_get_property (GObject * object,
guint prop_id, GValue * value, GParamSpec * pspec);
-static gboolean gst_audio_chebyshev_freq_band_setup (GstAudioFilter * filter,
+static gboolean gst_audio_cheb_band_setup (GstAudioFilter * filter,
GstRingBufferSpec * format);
static GstFlowReturn
-gst_audio_chebyshev_freq_band_transform_ip (GstBaseTransform * base,
- GstBuffer * buf);
-static gboolean gst_audio_chebyshev_freq_band_start (GstBaseTransform * base);
+gst_audio_cheb_band_transform_ip (GstBaseTransform * base, GstBuffer * buf);
+static gboolean gst_audio_cheb_band_start (GstBaseTransform * base);
-static void process_64 (GstAudioChebyshevFreqBand * filter,
+static void process_64 (GstAudioChebBand * filter,
gdouble * data, guint num_samples);
-static void process_32 (GstAudioChebyshevFreqBand * filter,
+static void process_32 (GstAudioChebBand * filter,
gfloat * data, guint num_samples);
enum
@@ -150,9 +149,9 @@ enum
MODE_BAND_REJECT
};
-#define GST_TYPE_AUDIO_CHEBYSHEV_FREQ_BAND_MODE (gst_audio_chebyshev_freq_band_mode_get_type ())
+#define GST_TYPE_AUDIO_CHEBYSHEV_FREQ_BAND_MODE (gst_audio_cheb_band_mode_get_type ())
static GType
-gst_audio_chebyshev_freq_band_mode_get_type (void)
+gst_audio_cheb_band_mode_get_type (void)
{
static GType gtype = 0;
@@ -165,7 +164,7 @@ gst_audio_chebyshev_freq_band_mode_get_type (void)
{0, NULL, NULL}
};
- gtype = g_enum_register_static ("GstAudioChebyshevFreqBandMode", values);
+ gtype = g_enum_register_static ("GstAudioChebBandMode", values);
}
return gtype;
}
@@ -173,7 +172,7 @@ gst_audio_chebyshev_freq_band_mode_get_type (void)
/* GObject vmethod implementations */
static void
-gst_audio_chebyshev_freq_band_base_init (gpointer klass)
+gst_audio_cheb_band_base_init (gpointer klass)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
GstCaps *caps;
@@ -187,9 +186,9 @@ gst_audio_chebyshev_freq_band_base_init (gpointer klass)
}
static void
-gst_audio_chebyshev_freq_band_dispose (GObject * object)
+gst_audio_cheb_band_dispose (GObject * object)
{
- GstAudioChebyshevFreqBand *filter = GST_AUDIO_CHEBYSHEV_FREQ_BAND (object);
+ GstAudioChebBand *filter = GST_AUDIO_CHEB_BAND (object);
if (filter->a) {
g_free (filter->a);
@@ -202,7 +201,7 @@ gst_audio_chebyshev_freq_band_dispose (GObject * object)
}
if (filter->channels) {
- GstAudioChebyshevFreqBandChannelCtx *ctx;
+ GstAudioChebBandChannelCtx *ctx;
gint i, channels = GST_AUDIO_FILTER (filter)->format.channels;
for (i = 0; i < channels; i++) {
@@ -219,8 +218,7 @@ gst_audio_chebyshev_freq_band_dispose (GObject * object)
}
static void
-gst_audio_chebyshev_freq_band_class_init (GstAudioChebyshevFreqBandClass *
- klass)
+gst_audio_cheb_band_class_init (GstAudioChebBandClass * klass)
{
GObjectClass *gobject_class;
GstBaseTransformClass *trans_class;
@@ -230,9 +228,9 @@ gst_audio_chebyshev_freq_band_class_init (GstAudioChebyshevFreqBandClass *
trans_class = (GstBaseTransformClass *) klass;
filter_class = (GstAudioFilterClass *) klass;
- gobject_class->set_property = gst_audio_chebyshev_freq_band_set_property;
- gobject_class->get_property = gst_audio_chebyshev_freq_band_get_property;
- gobject_class->dispose = gst_audio_chebyshev_freq_band_dispose;
+ gobject_class->set_property = gst_audio_cheb_band_set_property;
+ gobject_class->get_property = gst_audio_cheb_band_get_property;
+ gobject_class->dispose = gst_audio_cheb_band_dispose;
g_object_class_install_property (gobject_class, PROP_MODE,
g_param_spec_enum ("mode", "Mode",
@@ -265,15 +263,15 @@ gst_audio_chebyshev_freq_band_class_init (GstAudioChebyshevFreqBandClass *
"Number of poles to use, will be rounded up to the next multiply of four",
4, 32, 4, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
- filter_class->setup = GST_DEBUG_FUNCPTR (gst_audio_chebyshev_freq_band_setup);
+ filter_class->setup = GST_DEBUG_FUNCPTR (gst_audio_cheb_band_setup);
trans_class->transform_ip =
- GST_DEBUG_FUNCPTR (gst_audio_chebyshev_freq_band_transform_ip);
- trans_class->start = GST_DEBUG_FUNCPTR (gst_audio_chebyshev_freq_band_start);
+ GST_DEBUG_FUNCPTR (gst_audio_cheb_band_transform_ip);
+ trans_class->start = GST_DEBUG_FUNCPTR (gst_audio_cheb_band_start);
}
static void
-gst_audio_chebyshev_freq_band_init (GstAudioChebyshevFreqBand * filter,
- GstAudioChebyshevFreqBandClass * klass)
+gst_audio_cheb_band_init (GstAudioChebBand * filter,
+ GstAudioChebBandClass * klass)
{
filter->lower_frequency = filter->upper_frequency = 0.0;
filter->mode = MODE_BAND_PASS;
@@ -289,7 +287,7 @@ gst_audio_chebyshev_freq_band_init (GstAudioChebyshevFreqBand * filter,
}
static void
-generate_biquad_coefficients (GstAudioChebyshevFreqBand * filter,
+generate_biquad_coefficients (GstAudioChebBand * filter,
gint p, gdouble * a0, gdouble * a1, gdouble * a2, gdouble * a3,
gdouble * a4, gdouble * b1, gdouble * b2, gdouble * b3, gdouble * b4)
{
@@ -520,7 +518,7 @@ calculate_gain (gdouble * a, gdouble * b, gint num_a, gint num_b, gdouble zr,
}
static void
-generate_coefficients (GstAudioChebyshevFreqBand * filter)
+generate_coefficients (GstAudioChebBand * filter)
{
gint channels = GST_AUDIO_FILTER (filter)->format.channels;
@@ -535,7 +533,7 @@ generate_coefficients (GstAudioChebyshevFreqBand * filter)
}
if (filter->channels) {
- GstAudioChebyshevFreqBandChannelCtx *ctx;
+ GstAudioChebBandChannelCtx *ctx;
gint i;
for (i = 0; i < channels; i++) {
@@ -553,7 +551,7 @@ generate_coefficients (GstAudioChebyshevFreqBand * filter)
filter->a = g_new0 (gdouble, 1);
filter->a[0] = 1.0;
filter->num_b = 0;
- filter->channels = g_new0 (GstAudioChebyshevFreqBandChannelCtx, channels);
+ filter->channels = g_new0 (GstAudioChebBandChannelCtx, channels);
GST_LOG_OBJECT (filter, "rate was not set yet");
return;
}
@@ -565,7 +563,7 @@ generate_coefficients (GstAudioChebyshevFreqBand * filter)
filter->a = g_new0 (gdouble, 1);
filter->a[0] = (filter->mode == MODE_BAND_PASS) ? 0.0 : 1.0;
filter->num_b = 0;
- filter->channels = g_new0 (GstAudioChebyshevFreqBandChannelCtx, channels);
+ filter->channels = g_new0 (GstAudioChebBandChannelCtx, channels);
GST_LOG_OBJECT (filter, "frequency band had no or negative dimension");
return;
}
@@ -591,9 +589,9 @@ generate_coefficients (GstAudioChebyshevFreqBand * filter)
filter->num_b = np + 1;
filter->b = b = g_new0 (gdouble, np + 5);
- filter->channels = g_new0 (GstAudioChebyshevFreqBandChannelCtx, channels);
+ filter->channels = g_new0 (GstAudioChebBandChannelCtx, channels);
for (i = 0; i < channels; i++) {
- GstAudioChebyshevFreqBandChannelCtx *ctx = &filter->channels[i];
+ GstAudioChebBandChannelCtx *ctx = &filter->channels[i];
ctx->x = g_new0 (gdouble, np + 1);
ctx->y = g_new0 (gdouble, np + 1);
@@ -714,10 +712,10 @@ generate_coefficients (GstAudioChebyshevFreqBand * filter)
}
static void
-gst_audio_chebyshev_freq_band_set_property (GObject * object, guint prop_id,
+gst_audio_cheb_band_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec)
{
- GstAudioChebyshevFreqBand *filter = GST_AUDIO_CHEBYSHEV_FREQ_BAND (object);
+ GstAudioChebBand *filter = GST_AUDIO_CHEB_BAND (object);
switch (prop_id) {
case PROP_MODE:
@@ -763,10 +761,10 @@ gst_audio_chebyshev_freq_band_set_property (GObject * object, guint prop_id,
}
static void
-gst_audio_chebyshev_freq_band_get_property (GObject * object, guint prop_id,
+gst_audio_cheb_band_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec)
{
- GstAudioChebyshevFreqBand *filter = GST_AUDIO_CHEBYSHEV_FREQ_BAND (object);
+ GstAudioChebBand *filter = GST_AUDIO_CHEB_BAND (object);
switch (prop_id) {
case PROP_MODE:
@@ -796,17 +794,16 @@ gst_audio_chebyshev_freq_band_get_property (GObject * object, guint prop_id,
/* GstAudioFilter vmethod implementations */
static gboolean
-gst_audio_chebyshev_freq_band_setup (GstAudioFilter * base,
- GstRingBufferSpec * format)
+gst_audio_cheb_band_setup (GstAudioFilter * base, GstRingBufferSpec * format)
{
- GstAudioChebyshevFreqBand *filter = GST_AUDIO_CHEBYSHEV_FREQ_BAND (base);
+ GstAudioChebBand *filter = GST_AUDIO_CHEB_BAND (base);
gboolean ret = TRUE;
if (format->width == 32)
- filter->process = (GstAudioChebyshevFreqBandProcessFunc)
+ filter->process = (GstAudioChebBandProcessFunc)
process_32;
else if (format->width == 64)
- filter->process = (GstAudioChebyshevFreqBandProcessFunc)
+ filter->process = (GstAudioChebBandProcessFunc)
process_64;
else
ret = FALSE;
@@ -817,8 +814,8 @@ gst_audio_chebyshev_freq_band_setup (GstAudioFilter * base,
}
static inline gdouble
-process (GstAudioChebyshevFreqBand * filter,
- GstAudioChebyshevFreqBandChannelCtx * ctx, gdouble x0)
+process (GstAudioChebBand * filter,
+ GstAudioChebBandChannelCtx * ctx, gdouble x0)
{
gdouble val = filter->a[0] * x0;
gint i, j;
@@ -857,7 +854,7 @@ process (GstAudioChebyshevFreqBand * filter,
#define DEFINE_PROCESS_FUNC(width,ctype) \
static void \
-process_##width (GstAudioChebyshevFreqBand * filter, \
+process_##width (GstAudioChebBand * filter, \
g##ctype * data, guint num_samples) \
{ \
gint i, j, channels = GST_AUDIO_FILTER (filter)->format.channels; \
@@ -878,10 +875,9 @@ DEFINE_PROCESS_FUNC (64, double);
/* GstBaseTransform vmethod implementations */
static GstFlowReturn
-gst_audio_chebyshev_freq_band_transform_ip (GstBaseTransform * base,
- GstBuffer * buf)
+gst_audio_cheb_band_transform_ip (GstBaseTransform * base, GstBuffer * buf)
{
- GstAudioChebyshevFreqBand *filter = GST_AUDIO_CHEBYSHEV_FREQ_BAND (base);
+ GstAudioChebBand *filter = GST_AUDIO_CHEB_BAND (base);
guint num_samples =
GST_BUFFER_SIZE (buf) / (GST_AUDIO_FILTER (filter)->format.width / 8);
@@ -900,11 +896,11 @@ gst_audio_chebyshev_freq_band_transform_ip (GstBaseTransform * base,
}
static gboolean
-gst_audio_chebyshev_freq_band_start (GstBaseTransform * base)
+gst_audio_cheb_band_start (GstBaseTransform * base)
{
- GstAudioChebyshevFreqBand *filter = GST_AUDIO_CHEBYSHEV_FREQ_BAND (base);
+ GstAudioChebBand *filter = GST_AUDIO_CHEB_BAND (base);
gint channels = GST_AUDIO_FILTER (filter)->format.channels;
- GstAudioChebyshevFreqBandChannelCtx *ctx;
+ GstAudioChebBandChannelCtx *ctx;
gint i;
/* Reset the history of input and output values if
generated by cgit (git 2.34.1) at 2024-06-02 11:35:10 +0000