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maintainance on audioscale

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Original commit message from CVS:
maintainance on audioscale
This commit is contained in:
Andy Wingo 2002-05-29 06:14:43 +00:00
parent 243cd11675
commit 8abfefa61b
3 changed files with 34 additions and 19 deletions
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2
gst/audioscale/Makefile.am
View file

@ -7,4 +7,4 @@ libgstaudioscale_la_CFLAGS = -ffast-math $(GST_CFLAGS)
libgstaudioscale_la_LIBADD =
libgstaudioscale_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS = gstaudioscale.h
noinst_HEADERS = gstaudioscale.h resample.h

50
gst/audioscale/gstaudioscale.c
View file

@ -81,25 +81,25 @@ src_template (void)
}
return template;
}
/* defined but not used
#define GST_TYPE_AUDIOSCALE_METHOD (gst_audioscale_method_get_type())
static GType
gst_audioscale_method_get_type (void)
{
static GType audioscale_method_type = 0;
static GEnumValue audioscale_methods[] = {
{ GST_AUDIOSCALE_NEAREST, "0", "Nearest" },
{ GST_AUDIOSCALE_BILINEAR, "1", "Bilinear" },
{ GST_AUDIOSCALE_SINC, "2", "Sinc" },
{ RESAMPLE_NEAREST, "0", "Nearest" },
{ RESAMPLE_BILINEAR, "1", "Bilinear" },
{ RESAMPLE_SINC, "2", "Sinc" },
{ 0, NULL, NULL },
};
if(!audioscale_method_type){
audioscale_method_type = g_enum_register_static("GstAudioscaleMethod",
audioscale_methods);
audioscale_methods);
}
return audioscale_method_type;
}
*/
static void gst_audioscale_class_init (AudioscaleClass *klass);
static void gst_audioscale_init (Audioscale *audioscale);
@ -145,14 +145,14 @@ gst_audioscale_class_init (AudioscaleClass *klass)
gstelement_class = (GstElementClass*)klass;
g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FREQUENCY,
g_param_spec_int("frequency","frequency","frequency",
G_MININT,G_MAXINT,0,G_PARAM_READWRITE)); /* CHECKME */
g_param_spec_int ("frequency","frequency","frequency",
0,G_MAXINT,44100,G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_FILTERLEN,
g_param_spec_int ("filter_length", "filter_length", "filter_length",
G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
0, G_MAXINT, 16, G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
g_object_class_install_property (G_OBJECT_CLASS (klass), ARG_METHOD,
g_param_spec_int ("method", "method", "method",
G_MININT, G_MAXINT, 0, G_PARAM_READWRITE)); /* CHECKME */
g_param_spec_enum ("method", "method", "method", GST_TYPE_AUDIOSCALE_METHOD,
RESAMPLE_SINC, G_PARAM_READWRITE|G_PARAM_CONSTRUCT));
parent_class = g_type_class_ref(GST_TYPE_ELEMENT);
@ -166,6 +166,7 @@ gst_audioscale_sinkconnect (GstPad * pad, GstCaps * caps)
{
Audioscale *audioscale;
resample_t *r;
GstCaps *newcaps;
gint rate;
audioscale = GST_AUDIOSCALE (gst_pad_get_parent (pad));
@ -177,9 +178,17 @@ gst_audioscale_sinkconnect (GstPad * pad, GstCaps * caps)
r->i_rate = rate;
resample_reinit(r);
/*g_print("audioscale: unsupported scaling method %d\n", audioscale->method); */
return GST_PAD_CONNECT_OK;
newcaps = gst_caps_copy (caps);
gst_caps_set (newcaps, "rate", GST_PROPS_INT_TYPE, audioscale->targetfrequency, NULL);
if (GST_CAPS_IS_FIXED (caps))
if (gst_pad_try_set_caps (audioscale->srcpad, newcaps))
return GST_PAD_CONNECT_OK;
else
return GST_PAD_CONNECT_REFUSED;
else
return GST_PAD_CONNECT_DELAYED;
}
static void *
@ -190,6 +199,8 @@ gst_audioscale_get_buffer (void *priv, unsigned int size)
audioscale->outbuf = gst_buffer_new();
GST_BUFFER_SIZE(audioscale->outbuf) = size;
GST_BUFFER_DATA(audioscale->outbuf) = g_malloc(size);
GST_BUFFER_TIMESTAMP(audioscale->outbuf) = audioscale->offset * GST_SECOND / audioscale->targetfrequency;
audioscale->offset += size / sizeof(gint16) / audioscale->resample->channels;
return GST_BUFFER_DATA(audioscale->outbuf);
}
@ -218,9 +229,12 @@ gst_audioscale_init (Audioscale *audioscale)
r->filter_length = 16;
r->i_rate = -1;
r->o_rate = -1;
r->format = RESAMPLE_S16;
/*r->verbose = 1; */
resample_init(r);
/* we will be reinitialized when the G_PARAM_CONSTRUCTs hit */
}
static void
@ -272,12 +286,14 @@ gst_audioscale_set_property (GObject * object, guint prop_id,
g_print ("new filter length %d\n", r->filter_length);
break;
case ARG_METHOD:
r->method = g_value_get_int (value);
r->method = g_value_get_enum (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
resample_reinit (r);
}
static void
@ -286,9 +302,7 @@ gst_audioscale_get_property (GObject *object, guint prop_id, GValue *value, GPar
Audioscale *src;
resample_t *r;
/* it's not null if we got it, but it might not be ours */
g_return_if_fail(GST_IS_AUDIOSCALE(object));
src = GST_AUDIOSCALE(object);
src = GST_AUDIOSCALE (object);
r = src->resample;
switch (prop_id) {
@ -299,7 +313,7 @@ gst_audioscale_get_property (GObject *object, guint prop_id, GValue *value, GPar
g_value_set_int (value, r->filter_length);
break;
case ARG_METHOD:
g_value_set_int (value, r->method);
g_value_set_enum (value, r->method);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);

1
gst/audioscale/gstaudioscale.h
View file

@ -63,6 +63,7 @@ struct _Audioscale {
gint channels;
gint frequency;
gint targetfrequency;
gint64 offset;
resample_t *resample;