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-rw-r--r--gst/audiofx/audiowsinclimit.c145
1 files changed, 75 insertions, 70 deletions
diff --git a/gst/audiofx/audiowsinclimit.c b/gst/audiofx/audiowsinclimit.c
index 7189aaa7..9ee2070c 100644
--- a/gst/audiofx/audiowsinclimit.c
+++ b/gst/audiofx/audiowsinclimit.c
@@ -34,7 +34,7 @@
*/
/**
- * SECTION:element-lpwsinc
+ * SECTION:element-audiowsinclimit
* @short_description: Windowed Sinc low pass and high pass filter
*
* <refsect2>
@@ -52,9 +52,9 @@
* <title>Example launch line</title>
* <para>
* <programlisting>
- * gst-launch audiotestsrc freq=1500 ! audioconvert ! lpwsinc mode=low-pass frequency=1000 length=501 ! audioconvert ! alsasink
- * gst-launch filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! lpwsinc mode=high-pass frequency=15000 length=501 ! audioconvert ! alsasink
- * gst-launch audiotestsrc wave=white-noise ! audioconvert ! lpwsinc mode=low-pass frequency=1000 length=10001 window=blackman ! audioconvert ! alsasink
+ * gst-launch audiotestsrc freq=1500 ! audioconvert ! audiowsinclimit mode=low-pass frequency=1000 length=501 ! audioconvert ! alsasink
+ * gst-launch filesrc location="melo1.ogg" ! oggdemux ! vorbisdec ! audioconvert ! audiowsinclimit mode=high-pass frequency=15000 length=501 ! audioconvert ! alsasink
+ * gst-launch audiotestsrc wave=white-noise ! audioconvert ! audiowsinclimit mode=low-pass frequency=1000 length=10001 window=blackman ! audioconvert ! alsasink
* </programlisting>
* </para>
* </refsect2>
@@ -70,12 +70,13 @@
#include <gst/audio/gstaudiofilter.h>
#include <gst/controller/gstcontroller.h>
-#include "gstlpwsinc.h"
+#include "audiowsinclimit.h"
-#define GST_CAT_DEFAULT gst_lpwsinc_debug
+#define GST_CAT_DEFAULT audio_wsinclimit_debug
GST_DEBUG_CATEGORY_STATIC (GST_CAT_DEFAULT);
-static const GstElementDetails lpwsinc_details = GST_ELEMENT_DETAILS ("LPWSinc",
+static const GstElementDetails audio_wsinclimit_details =
+GST_ELEMENT_DETAILS ("AudioWSincLimit",
"Filter/Effect/Audio",
"Low-pass and High-pass Windowed sinc filter",
"Thomas <thomas@apestaart.org>, "
@@ -105,9 +106,9 @@ enum
MODE_HIGH_PASS
};
-#define GST_TYPE_LPWSINC_MODE (gst_lpwsinc_mode_get_type ())
+#define GST_TYPE_AUDIO_WSINC_LIMIT_MODE (audio_wsinclimit_mode_get_type ())
static GType
-gst_lpwsinc_mode_get_type (void)
+audio_wsinclimit_mode_get_type (void)
{
static GType gtype = 0;
@@ -120,7 +121,7 @@ gst_lpwsinc_mode_get_type (void)
{0, NULL, NULL}
};
- gtype = g_enum_register_static ("GstLPWSincMode", values);
+ gtype = g_enum_register_static ("GstAudioWSincLimitMode", values);
}
return gtype;
}
@@ -131,9 +132,9 @@ enum
WINDOW_BLACKMAN
};
-#define GST_TYPE_LPWSINC_WINDOW (gst_lpwsinc_window_get_type ())
+#define GST_TYPE_AUDIO_WSINC_LIMIT_WINDOW (audio_wsinclimit_window_get_type ())
static GType
-gst_lpwsinc_window_get_type (void)
+audio_wsinclimit_window_get_type (void)
{
static GType gtype = 0;
@@ -146,7 +147,7 @@ gst_lpwsinc_window_get_type (void)
{0, NULL, NULL}
};
- gtype = g_enum_register_static ("GstLPWSincWindow", values);
+ gtype = g_enum_register_static ("GstAudioWSincLimitWindow", values);
}
return gtype;
}
@@ -159,32 +160,34 @@ gst_lpwsinc_window_get_type (void)
" channels = (int) [ 1, MAX ]"
#define DEBUG_INIT(bla) \
- GST_DEBUG_CATEGORY_INIT (gst_lpwsinc_debug, "lpwsinc", 0, "Low-pass and High-pass Windowed sinc filter plugin");
+ GST_DEBUG_CATEGORY_INIT (audio_wsinclimit_debug, "audiowsinclimit", 0, \
+ "Low-pass and High-pass Windowed sinc filter plugin");
-GST_BOILERPLATE_FULL (GstLPWSinc, gst_lpwsinc, GstAudioFilter,
+GST_BOILERPLATE_FULL (GstAudioWSincLimit, audio_wsinclimit, GstAudioFilter,
GST_TYPE_AUDIO_FILTER, DEBUG_INIT);
-static void lpwsinc_set_property (GObject * object, guint prop_id,
+static void audio_wsinclimit_set_property (GObject * object, guint prop_id,
const GValue * value, GParamSpec * pspec);
-static void lpwsinc_get_property (GObject * object, guint prop_id,
+static void audio_wsinclimit_get_property (GObject * object, guint prop_id,
GValue * value, GParamSpec * pspec);
-static GstFlowReturn lpwsinc_transform (GstBaseTransform * base,
+static GstFlowReturn audio_wsinclimit_transform (GstBaseTransform * base,
GstBuffer * inbuf, GstBuffer * outbuf);
-static gboolean lpwsinc_start (GstBaseTransform * base);
-static gboolean lpwsinc_event (GstBaseTransform * base, GstEvent * event);
-static gboolean lpwsinc_setup (GstAudioFilter * base,
+static gboolean audio_wsinclimit_start (GstBaseTransform * base);
+static gboolean audio_wsinclimit_event (GstBaseTransform * base,
+ GstEvent * event);
+static gboolean audio_wsinclimit_setup (GstAudioFilter * base,
GstRingBufferSpec * format);
-static gboolean lpwsinc_query (GstPad * pad, GstQuery * query);
-static const GstQueryType *lpwsinc_query_type (GstPad * pad);
+static gboolean audio_wsinclimit_query (GstPad * pad, GstQuery * query);
+static const GstQueryType *audio_wsinclimit_query_type (GstPad * pad);
/* Element class */
static void
-gst_lpwsinc_dispose (GObject * object)
+audio_wsinclimit_dispose (GObject * object)
{
- GstLPWSinc *self = GST_LPWSINC (object);
+ GstAudioWSincLimit *self = GST_AUDIO_WSINC_LIMIT (object);
if (self->residue) {
g_free (self->residue);
@@ -200,12 +203,12 @@ gst_lpwsinc_dispose (GObject * object)
}
static void
-gst_lpwsinc_base_init (gpointer g_class)
+audio_wsinclimit_base_init (gpointer g_class)
{
GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
GstCaps *caps;
- gst_element_class_set_details (element_class, &lpwsinc_details);
+ gst_element_class_set_details (element_class, &audio_wsinclimit_details);
caps = gst_caps_from_string (ALLOWED_CAPS);
gst_audio_filter_class_add_pad_templates (GST_AUDIO_FILTER_CLASS (g_class),
@@ -214,7 +217,7 @@ gst_lpwsinc_base_init (gpointer g_class)
}
static void
-gst_lpwsinc_class_init (GstLPWSincClass * klass)
+audio_wsinclimit_class_init (GstAudioWSincLimitClass * klass)
{
GObjectClass *gobject_class;
GstBaseTransformClass *trans_class;
@@ -224,9 +227,9 @@ gst_lpwsinc_class_init (GstLPWSincClass * klass)
trans_class = (GstBaseTransformClass *) klass;
filter_class = (GstAudioFilterClass *) klass;
- gobject_class->set_property = lpwsinc_set_property;
- gobject_class->get_property = lpwsinc_get_property;
- gobject_class->dispose = gst_lpwsinc_dispose;
+ gobject_class->set_property = audio_wsinclimit_set_property;
+ gobject_class->get_property = audio_wsinclimit_get_property;
+ gobject_class->dispose = audio_wsinclimit_dispose;
/* FIXME: Don't use the complete possible range but restrict the upper boundary
@@ -242,22 +245,23 @@ gst_lpwsinc_class_init (GstLPWSincClass * klass)
g_object_class_install_property (gobject_class, PROP_MODE,
g_param_spec_enum ("mode", "Mode",
- "Low pass or high pass mode", GST_TYPE_LPWSINC_MODE,
+ "Low pass or high pass mode", GST_TYPE_AUDIO_WSINC_LIMIT_MODE,
MODE_LOW_PASS, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
g_object_class_install_property (gobject_class, PROP_WINDOW,
g_param_spec_enum ("window", "Window",
- "Window function to use", GST_TYPE_LPWSINC_WINDOW,
+ "Window function to use", GST_TYPE_AUDIO_WSINC_LIMIT_WINDOW,
WINDOW_HAMMING, G_PARAM_READWRITE | GST_PARAM_CONTROLLABLE));
- trans_class->transform = GST_DEBUG_FUNCPTR (lpwsinc_transform);
- trans_class->start = GST_DEBUG_FUNCPTR (lpwsinc_start);
- trans_class->event = GST_DEBUG_FUNCPTR (lpwsinc_event);
- filter_class->setup = GST_DEBUG_FUNCPTR (lpwsinc_setup);
+ trans_class->transform = GST_DEBUG_FUNCPTR (audio_wsinclimit_transform);
+ trans_class->start = GST_DEBUG_FUNCPTR (audio_wsinclimit_start);
+ trans_class->event = GST_DEBUG_FUNCPTR (audio_wsinclimit_event);
+ filter_class->setup = GST_DEBUG_FUNCPTR (audio_wsinclimit_setup);
}
static void
-gst_lpwsinc_init (GstLPWSinc * self, GstLPWSincClass * g_class)
+audio_wsinclimit_init (GstAudioWSincLimit * self,
+ GstAudioWSincLimitClass * g_class)
{
self->mode = MODE_LOW_PASS;
self->window = WINDOW_HAMMING;
@@ -272,14 +276,15 @@ gst_lpwsinc_init (GstLPWSinc * self, GstLPWSincClass * g_class)
self->next_ts = GST_CLOCK_TIME_NONE;
self->next_off = GST_BUFFER_OFFSET_NONE;
- gst_pad_set_query_function (GST_BASE_TRANSFORM (self)->srcpad, lpwsinc_query);
+ gst_pad_set_query_function (GST_BASE_TRANSFORM (self)->srcpad,
+ audio_wsinclimit_query);
gst_pad_set_query_type_function (GST_BASE_TRANSFORM (self)->srcpad,
- lpwsinc_query_type);
+ audio_wsinclimit_query_type);
}
#define DEFINE_PROCESS_FUNC(width,ctype) \
static void \
-process_##width (GstLPWSinc * self, g##ctype * src, g##ctype * dst, guint input_samples) \
+process_##width (GstAudioWSincLimit * self, g##ctype * src, g##ctype * dst, guint input_samples) \
{ \
gint kernel_length = self->kernel_length; \
gint i, j, k, l; \
@@ -324,7 +329,7 @@ DEFINE_PROCESS_FUNC (64, double);
#undef DEFINE_PROCESS_FUNC
static void
-lpwsinc_build_kernel (GstLPWSinc * self)
+audio_wsinclimit_build_kernel (GstAudioWSincLimit * self)
{
gint i = 0;
gdouble sum = 0.0;
@@ -347,7 +352,7 @@ lpwsinc_build_kernel (GstLPWSinc * self)
self->cutoff =
CLAMP (self->cutoff, 0.0, GST_AUDIO_FILTER (self)->format.rate / 2);
- GST_DEBUG ("lpwsinc: initializing filter kernel of length %d "
+ GST_DEBUG ("audio_wsinclimit_: initializing filter kernel of length %d "
"with cutoff %.2lf Hz "
"for mode %s",
len, self->cutoff,
@@ -398,7 +403,7 @@ lpwsinc_build_kernel (GstLPWSinc * self)
}
static void
-lpwsinc_push_residue (GstLPWSinc * self)
+audio_wsinclimit_push_residue (GstAudioWSincLimit * self)
{
GstBuffer *outbuf;
GstFlowReturn res;
@@ -477,16 +482,16 @@ lpwsinc_push_residue (GstLPWSinc * self)
/* get notified of caps and plug in the correct process function */
static gboolean
-lpwsinc_setup (GstAudioFilter * base, GstRingBufferSpec * format)
+audio_wsinclimit_setup (GstAudioFilter * base, GstRingBufferSpec * format)
{
- GstLPWSinc *self = GST_LPWSINC (base);
+ GstAudioWSincLimit *self = GST_AUDIO_WSINC_LIMIT (base);
gboolean ret = TRUE;
if (format->width == 32)
- self->process = (GstLPWSincProcessFunc) process_32;
+ self->process = (GstAudioWSincLimitProcessFunc) process_32;
else if (format->width == 64)
- self->process = (GstLPWSincProcessFunc) process_64;
+ self->process = (GstAudioWSincLimitProcessFunc) process_64;
else
ret = FALSE;
@@ -498,10 +503,10 @@ lpwsinc_setup (GstAudioFilter * base, GstRingBufferSpec * format)
/* GstBaseTransform vmethod implementations */
static GstFlowReturn
-lpwsinc_transform (GstBaseTransform * base, GstBuffer * inbuf,
+audio_wsinclimit_transform (GstBaseTransform * base, GstBuffer * inbuf,
GstBuffer * outbuf)
{
- GstLPWSinc *self = GST_LPWSINC (base);
+ GstAudioWSincLimit *self = GST_AUDIO_WSINC_LIMIT (base);
GstClockTime timestamp;
gint channels = GST_AUDIO_FILTER (self)->format.channels;
gint rate = GST_AUDIO_FILTER (self)->format.rate;
@@ -516,7 +521,7 @@ lpwsinc_transform (GstBaseTransform * base, GstBuffer * inbuf,
gst_object_sync_values (G_OBJECT (self), timestamp);
if (!self->have_kernel)
- lpwsinc_build_kernel (self);
+ audio_wsinclimit_build_kernel (self);
/* Reset the residue if already existing on discont buffers */
if (GST_BUFFER_IS_DISCONT (inbuf)) {
@@ -616,9 +621,9 @@ lpwsinc_transform (GstBaseTransform * base, GstBuffer * inbuf,
}
static gboolean
-lpwsinc_start (GstBaseTransform * base)
+audio_wsinclimit_start (GstBaseTransform * base)
{
- GstLPWSinc *self = GST_LPWSINC (base);
+ GstAudioWSincLimit *self = GST_AUDIO_WSINC_LIMIT (base);
gint channels = GST_AUDIO_FILTER (self)->format.channels;
/* Reset the residue if already existing */
@@ -634,9 +639,9 @@ lpwsinc_start (GstBaseTransform * base)
}
static gboolean
-lpwsinc_query (GstPad * pad, GstQuery * query)
+audio_wsinclimit_query (GstPad * pad, GstQuery * query)
{
- GstLPWSinc *self = GST_LPWSINC (gst_pad_get_parent (pad));
+ GstAudioWSincLimit *self = GST_AUDIO_WSINC_LIMIT (gst_pad_get_parent (pad));
gboolean res = TRUE;
switch (GST_QUERY_TYPE (query)) {
@@ -687,7 +692,7 @@ lpwsinc_query (GstPad * pad, GstQuery * query)
}
static const GstQueryType *
-lpwsinc_query_type (GstPad * pad)
+audio_wsinclimit_query_type (GstPad * pad)
{
static const GstQueryType types[] = {
GST_QUERY_LATENCY,
@@ -698,13 +703,13 @@ lpwsinc_query_type (GstPad * pad)
}
static gboolean
-lpwsinc_event (GstBaseTransform * base, GstEvent * event)
+audio_wsinclimit_event (GstBaseTransform * base, GstEvent * event)
{
- GstLPWSinc *self = GST_LPWSINC (base);
+ GstAudioWSincLimit *self = GST_AUDIO_WSINC_LIMIT (base);
switch (GST_EVENT_TYPE (event)) {
case GST_EVENT_EOS:
- lpwsinc_push_residue (self);
+ audio_wsinclimit_push_residue (self);
break;
default:
break;
@@ -714,12 +719,12 @@ lpwsinc_event (GstBaseTransform * base, GstEvent * event)
}
static void
-lpwsinc_set_property (GObject * object, guint prop_id, const GValue * value,
- GParamSpec * pspec)
+audio_wsinclimit_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
{
- GstLPWSinc *self = GST_LPWSINC (object);
+ GstAudioWSincLimit *self = GST_AUDIO_WSINC_LIMIT (object);
- g_return_if_fail (GST_IS_LPWSINC (self));
+ g_return_if_fail (GST_IS_AUDIO_WSINC_LIMIT (self));
switch (prop_id) {
case PROP_LENGTH:{
@@ -732,13 +737,13 @@ lpwsinc_set_property (GObject * object, guint prop_id, const GValue * value,
if (val != self->kernel_length) {
if (self->residue) {
- lpwsinc_push_residue (self);
+ audio_wsinclimit_push_residue (self);
g_free (self->residue);
self->residue = NULL;
}
self->kernel_length = val;
self->latency = val / 2;
- lpwsinc_build_kernel (self);
+ audio_wsinclimit_build_kernel (self);
gst_element_post_message (GST_ELEMENT (self),
gst_message_new_latency (GST_OBJECT (self)));
}
@@ -748,19 +753,19 @@ lpwsinc_set_property (GObject * object, guint prop_id, const GValue * value,
case PROP_FREQUENCY:
GST_BASE_TRANSFORM_LOCK (self);
self->cutoff = g_value_get_float (value);
- lpwsinc_build_kernel (self);
+ audio_wsinclimit_build_kernel (self);
GST_BASE_TRANSFORM_UNLOCK (self);
break;
case PROP_MODE:
GST_BASE_TRANSFORM_LOCK (self);
self->mode = g_value_get_enum (value);
- lpwsinc_build_kernel (self);
+ audio_wsinclimit_build_kernel (self);
GST_BASE_TRANSFORM_UNLOCK (self);
break;
case PROP_WINDOW:
GST_BASE_TRANSFORM_LOCK (self);
self->window = g_value_get_enum (value);
- lpwsinc_build_kernel (self);
+ audio_wsinclimit_build_kernel (self);
GST_BASE_TRANSFORM_UNLOCK (self);
break;
default:
@@ -770,10 +775,10 @@ lpwsinc_set_property (GObject * object, guint prop_id, const GValue * value,
}
static void
-lpwsinc_get_property (GObject * object, guint prop_id, GValue * value,
+audio_wsinclimit_get_property (GObject * object, guint prop_id, GValue * value,
GParamSpec * pspec)
{
- GstLPWSinc *self = GST_LPWSINC (object);
+ GstAudioWSincLimit *self = GST_AUDIO_WSINC_LIMIT (object);
switch (prop_id) {
case PROP_LENGTH:
generated by cgit (git 2.34.1) at 2024-06-25 02:29:16 +0000