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use the new smooth dparam for the volume slider

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Original commit message from CVS:
use the new smooth dparam for the volume slider
This commit is contained in:
Steve Baker 2001-09-14 19:20:25 +00:00
parent 7f47be399d
commit d4fba8438b
1 changed files with 18 additions and 2 deletions
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20
test/sinesliders.c
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@ -38,7 +38,10 @@ int main(int argc,char *argv[]) {
GstElement *thread, *sinesrc, *osssink; GstElement *thread, *sinesrc, *osssink;
GstDParamManager *dpman; GstDParamManager *dpman;
GstDParam *volume, *freq; GstDParam *volume;
GstDParam *freq;
GValue **vol_vals;
gtk_init(&argc,&argv); gtk_init(&argc,&argv);
gst_init(&argc,&argv); gst_init(&argc,&argv);
@ -69,9 +72,22 @@ int main(int argc,char *argv[]) {
g_object_set(G_OBJECT(sinesrc),"buffersize",64,NULL); g_object_set(G_OBJECT(sinesrc),"buffersize",64,NULL);
dpman = GST_ELEMENT_DPARAM_MANAGER(sinesrc); dpman = GST_ELEMENT_DPARAM_MANAGER(sinesrc);
volume = gst_dparam_new(G_TYPE_FLOAT);
freq = gst_dparam_new(G_TYPE_FLOAT); freq = gst_dparam_new(G_TYPE_FLOAT);
//volume = gst_dparam_new(G_TYPE_FLOAT);
volume = gst_dparam_smooth_new(G_TYPE_FLOAT);
vol_vals = GST_DPARAM_GET_POINT(volume, 0LL);
// this defines the maximum slope that this
// param can change. This says that in 10ms
// the value can change by a maximum of 0.2
g_value_set_float(vol_vals[1], 0.2);
g_value_set_float(vol_vals[2], 10000000.0);
// set the default update period to 0.5ms, or 2000Hz
GST_DPARAM_DEFAULT_UPDATE_PERIOD(volume) = 2000000LL;
g_assert(gst_dpman_attach_dparam (dpman, "volume", volume)); g_assert(gst_dpman_attach_dparam (dpman, "volume", volume));
g_assert(gst_dpman_attach_dparam (dpman, "freq", freq)); g_assert(gst_dpman_attach_dparam (dpman, "freq", freq));