enum {
ARG_0,
- ARG_FORMAT,
+ /* ARG_WIDTH, */ /* width is not even implemented so no use in having this */
ARG_SAMPLERATE,
ARG_TABLESIZE,
ARG_SAMPLES_PER_BUFFER,
"sinesrc_src",
"audio/raw",
"format", GST_PROPS_STRING ("int"),
- "law", GST_PROPS_INT (0),
- "endianness", GST_PROPS_INT (G_BYTE_ORDER),
- "signed", GST_PROPS_BOOLEAN (TRUE),
- "width", GST_PROPS_INT (16),
- "depth", GST_PROPS_INT (16),
- "rate", GST_PROPS_INT_RANGE (8000, 48000),
- "channels", GST_PROPS_INT (1)
+ "law", GST_PROPS_INT (0),
+ "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+ "signed", GST_PROPS_BOOLEAN (TRUE),
+ "width", GST_PROPS_INT (16),
+ "depth", GST_PROPS_INT (16),
+ "rate", GST_PROPS_INT_RANGE (8000, 48000),
+ "channels", GST_PROPS_INT (1)
)
);
-static void gst_sinesrc_class_init (GstSineSrcClass *klass);
-static void gst_sinesrc_init (GstSineSrc *src);
-static void gst_sinesrc_set_property (GObject *object, guint prop_id,
- const GValue *value, GParamSpec *pspec);
-static void gst_sinesrc_get_property (GObject *object, guint prop_id,
- GValue *value, GParamSpec *pspec);
+static void gst_sinesrc_class_init (GstSineSrcClass *klass);
+static void gst_sinesrc_init (GstSineSrc *src);
+static void gst_sinesrc_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gst_sinesrc_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec);
/*static gboolean gst_sinesrc_change_state(GstElement *element, */
/* GstElementState state); */
/*static void gst_sinesrc_close_audio(GstSineSrc *src); */
/*static gboolean gst_sinesrc_open_audio(GstSineSrc *src); */
-static void gst_sinesrc_update_freq(const GValue *value, gpointer data);
-static void gst_sinesrc_populate_sinetable (GstSineSrc *src);
-static inline void gst_sinesrc_update_table_inc (GstSineSrc *src);
-static void gst_sinesrc_force_caps (GstSineSrc *src);
+static void gst_sinesrc_update_freq (const GValue *value,
+ gpointer data);
+static void gst_sinesrc_populate_sinetable (GstSineSrc *src);
+static inline void gst_sinesrc_update_table_inc (GstSineSrc *src);
+static void gst_sinesrc_force_caps (GstSineSrc *src);
-static GstBuffer* gst_sinesrc_get (GstPad *pad);
+static GstBuffer* gst_sinesrc_get (GstPad *pad);
static GstElementClass *parent_class = NULL;
/*static guint gst_sinesrc_signals[LAST_SIGNAL] = { 0 }; */
if (!sinesrc_type) {
static const GTypeInfo sinesrc_info = {
- sizeof(GstSineSrcClass),
- NULL,
- NULL,
- (GClassInitFunc)gst_sinesrc_class_init,
- NULL,
- NULL,
- sizeof(GstSineSrc),
- 0,
- (GInstanceInitFunc)gst_sinesrc_init,
+ sizeof (GstSineSrcClass), NULL, NULL,
+ (GClassInitFunc) gst_sinesrc_class_init, NULL, NULL,
+ sizeof (GstSineSrc), 0,
+ (GInstanceInitFunc) gst_sinesrc_init,
};
- sinesrc_type = g_type_register_static (GST_TYPE_ELEMENT, "GstSineSrc", &sinesrc_info, 0);
+ sinesrc_type = g_type_register_static (GST_TYPE_ELEMENT, "GstSineSrc",
+ &sinesrc_info, 0);
}
return sinesrc_type;
}
GObjectClass *gobject_class;
GstElementClass *gstelement_class;
- gobject_class = (GObjectClass*)klass;
- gstelement_class = (GstElementClass*)klass;
-
- parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
-
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FORMAT,
- g_param_spec_int("format","format","format",
- G_MININT,G_MAXINT,0,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SAMPLERATE,
- g_param_spec_int("samplerate","samplerate","samplerate",
- G_MININT,G_MAXINT,0,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TABLESIZE,
- g_param_spec_int("tablesize","tablesize","tablesize",
- G_MININT,G_MAXINT,0,G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_SAMPLES_PER_BUFFER,
- g_param_spec_int("samplesperbuffer","samplesperbuffer","samplesperbuffer",
- 0, G_MAXINT, 1024, G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FREQ,
- g_param_spec_float("freq","freq","freq",
- 0.0, 20000.0, 440.0, G_PARAM_READWRITE));
- g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_VOLUME,
- g_param_spec_float("volume","volume","volume",
- 0.0, 1.0, 0.8, G_PARAM_READWRITE));
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ parent_class = g_type_class_ref (GST_TYPE_ELEMENT);
+
+ /*
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_WIDTH,
+ g_param_spec_int("width", "Width", "Width of audio data in bits",
+ 1, 32, 0, G_PARAM_READWRITE));
+ */
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_SAMPLERATE,
+ g_param_spec_int ("samplerate","Sample Rate","Sample Rate (in Hz)",
+ 1, G_MAXINT, 0, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_TABLESIZE,
+ g_param_spec_int ("tablesize", "tablesize", "tablesize",
+ 1, G_MAXINT, 0, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass),
+ ARG_SAMPLES_PER_BUFFER,
+ g_param_spec_int ("samplesperbuffer", "Samples per buffer",
+ "Number of samples in each outgoing buffer",
+ 1, G_MAXINT, 1024, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FREQ,
+ g_param_spec_float ("freq", "Frequency", "Frequency of sine source",
+ 0.0, 20000.0, 440.0, G_PARAM_READWRITE));
+ g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_VOLUME,
+ g_param_spec_float ("volume", "Volume", "Volume",
+ 0.0, 1.0, 0.8, G_PARAM_READWRITE));
gobject_class->set_property = gst_sinesrc_set_property;
gobject_class->get_property = gst_sinesrc_get_property;
src->srcpad = gst_pad_new_from_template (
GST_PAD_TEMPLATE_GET (sinesrc_src_factory), "src");
- gst_element_add_pad(GST_ELEMENT(src), src->srcpad);
+ gst_element_add_pad (GST_ELEMENT(src), src->srcpad);
- gst_pad_set_get_function(src->srcpad, gst_sinesrc_get);
+ gst_pad_set_get_function (src->srcpad, gst_sinesrc_get);
- src->format = 16;
+ src->width = 16;
src->samplerate = 44100;
src->volume = 1.0;
src->freq = 440.0;
}
static GstBuffer *
-gst_sinesrc_get(GstPad *pad)
+gst_sinesrc_get (GstPad *pad)
{
GstSineSrc *src;
GstBuffer *buf;
}
static void
-gst_sinesrc_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+gst_sinesrc_set_property (GObject *object, guint prop_id,
+ const GValue *value, GParamSpec *pspec)
{
GstSineSrc *src;
- /* it's not null if we got it, but it might not be ours */
- g_return_if_fail(GST_IS_SINESRC(object));
- src = GST_SINESRC(object);
+ g_return_if_fail (GST_IS_SINESRC (object));
+ src = GST_SINESRC (object);
switch (prop_id) {
- case ARG_FORMAT:
- src->format = g_value_get_int (value);
- src->newcaps=TRUE;
+ case ARG_WIDTH:
+ src->width = g_value_get_int (value);
+ src->newcaps = TRUE;
break;
case ARG_SAMPLERATE:
src->samplerate = g_value_get_int (value);
- gst_dpman_set_rate(src->dpman, src->samplerate);
- src->newcaps=TRUE;
- gst_sinesrc_update_table_inc(src);
+ gst_dpman_set_rate (src->dpman, src->samplerate);
+ src->newcaps = TRUE;
+ gst_sinesrc_update_table_inc (src);
break;
case ARG_TABLESIZE:
src->table_size = g_value_get_int (value);
- gst_sinesrc_populate_sinetable(src);
- gst_sinesrc_update_table_inc(src);
+ gst_sinesrc_populate_sinetable (src);
+ gst_sinesrc_update_table_inc (src);
break;
case ARG_SAMPLES_PER_BUFFER:
src->samples_per_buffer = g_value_get_int (value);
break;
case ARG_FREQ:
- gst_dpman_bypass_dparam(src->dpman, "freq");
- gst_sinesrc_update_freq(value, src);
+ gst_dpman_bypass_dparam (src->dpman, "freq");
+ gst_sinesrc_update_freq (value, src);
break;
case ARG_VOLUME:
- gst_dpman_bypass_dparam(src->dpman, "volume");
+ gst_dpman_bypass_dparam (src->dpman, "volume");
src->volume = g_value_get_float (value);
break;
default:
}
static void
-gst_sinesrc_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+gst_sinesrc_get_property (GObject *object, guint prop_id,
+ GValue *value, GParamSpec *pspec)
{
GstSineSrc *src;
src = GST_SINESRC(object);
switch (prop_id) {
- case ARG_FORMAT:
- g_value_set_int (value, src->format);
+ case ARG_WIDTH:
+ g_value_set_int (value, src->width);
break;
case ARG_SAMPLERATE:
g_value_set_int (value, src->samplerate);
{
gint i;
gdouble pi2scaled = M_PI * 2 / src->table_size;
- gfloat *table = g_new(gfloat, src->table_size);
+ gfloat *table = g_new (gfloat, src->table_size);
for(i=0 ; i < src->table_size ; i++){
- table[i] = (gfloat)sin(i * pi2scaled);
+ table[i] = (gfloat) sin(i * pi2scaled);
}
- g_free(src->table_data);
+ g_free (src->table_data);
src->table_data = table;
}
static void
-gst_sinesrc_update_freq(const GValue *value, gpointer data)
+gst_sinesrc_update_freq (const GValue *value, gpointer data)
{
- GstSineSrc *src = (GstSineSrc*)data;
- g_return_if_fail(GST_IS_SINESRC(src));
+ GstSineSrc *src = (GstSineSrc *) data;
+ g_return_if_fail (GST_IS_SINESRC (src));
- src->freq = g_value_get_float(value);
+ src->freq = g_value_get_float (value);
src->table_inc = src->table_size * src->freq / src->samplerate;
/*GST_DEBUG(GST_CAT_PARAMS, "freq %f", src->freq); */
}
static void
-gst_sinesrc_force_caps(GstSineSrc *src) {
+gst_sinesrc_force_caps (GstSineSrc *src) {
GstCaps *caps;
if (!src->newcaps)
return;
- src->newcaps=FALSE;
+ src->newcaps = FALSE;
caps = GST_CAPS_NEW (
"sinesrc_src_caps",
{
GstElementFactory *factory;
- factory = gst_element_factory_new("sinesrc",GST_TYPE_SINESRC,
- &gst_sinesrc_details);
- g_return_val_if_fail(factory != NULL, FALSE);
+ factory = gst_element_factory_new ("sinesrc", GST_TYPE_SINESRC,
+ &gst_sinesrc_details);
+ g_return_val_if_fail (factory != NULL, FALSE);
- gst_element_factory_add_pad_template (factory, GST_PAD_TEMPLATE_GET (sinesrc_src_factory));
+ gst_element_factory_add_pad_template (factory,
+ GST_PAD_TEMPLATE_GET (sinesrc_src_factory));
gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));