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tests: selectable amount of bands in equalizer demo

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Adding an option in the equalizer demo to make the number of bands selectable.
This commit is contained in:
Luis de Bethencourt 2015-04-16 16:33:44 +01:00
parent 80268e7d37
commit 852088db8d
1 changed files with 22 additions and 3 deletions
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25
tests/examples/equalizer/demo.c
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@ -163,10 +163,29 @@ main (int argc, char *argv[])
GstCaps *caps; GstCaps *caps;
GstBus *bus; GstBus *bus;
GtkWidget *appwindow, *vbox, *hbox, *scale; GtkWidget *appwindow, *vbox, *hbox, *scale;
int i; int i, num_bands = NBANDS;
GOptionEntry options[] = {
{"bands", 'b', 0, G_OPTION_ARG_INT, &num_bands,
"Number of bands", NULL},
{NULL}
};
GOptionContext *ctx;
GError *err = NULL;
ctx = g_option_context_new ("- demo of audio equalizer");
g_option_context_add_main_entries (ctx, options, NULL);
g_option_context_add_group (ctx, gst_init_get_option_group ());
g_option_context_add_group (ctx, gtk_get_option_group (TRUE));
if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", err->message);
exit (1);
}
if (argc < 2) { if (argc < 2) {
g_print ("Usage: %s <uri to play>\n", argv[0]); g_print ("Usage: %s <uri to play>\n", argv[0]);
g_print (" For optional arguments: --help\n");
exit (-1); exit (-1);
} }
@ -188,7 +207,7 @@ main (int argc, char *argv[])
g_object_set (capsfilter, "caps", caps, NULL); g_object_set (capsfilter, "caps", caps, NULL);
equalizer = gst_element_factory_make ("equalizer-nbands", "equalizer"); equalizer = gst_element_factory_make ("equalizer-nbands", "equalizer");
g_object_set (G_OBJECT (equalizer), "num-bands", NBANDS, NULL); g_object_set (G_OBJECT (equalizer), "num-bands", num_bands, NULL);
spectrum = gst_element_factory_make ("spectrum", "spectrum"); spectrum = gst_element_factory_make ("spectrum", "spectrum");
g_object_set (G_OBJECT (spectrum), "bands", spect_bands, "threshold", -80, g_object_set (G_OBJECT (spectrum), "bands", spect_bands, "threshold", -80,
@ -229,7 +248,7 @@ main (int argc, char *argv[])
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20); hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 20);
for (i = 0; i < NBANDS; i++) { for (i = 0; i < num_bands; i++) {
GObject *band; GObject *band;
gdouble freq; gdouble freq;
gdouble bw; gdouble bw;