diff options
Diffstat (limited to 'gst/spectrum/demo-osssrc.c')
| -rw-r--r-- | gst/spectrum/demo-osssrc.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/gst/spectrum/demo-osssrc.c b/gst/spectrum/demo-osssrc.c index b51e8c2a..0312df87 100644 --- a/gst/spectrum/demo-osssrc.c +++ b/gst/spectrum/demo-osssrc.c @@ -15,12 +15,12 @@ spectrum_chain (GstElement * sink, GstBuffer * buf, GstPad * pad, gpointer unused) { gint i; - guchar *data = buf->data; - GdkRectangle rect = { 0, 0, GST_BUFFER_SIZE (buf), 25 }; + guchar *data = GST_BUFFER_DATA (buf); + GdkRectangle rect = { 0, 0, GST_BUFFER_SIZE (buf), 32 }; gdk_window_begin_paint_rect (drawingarea->window, &rect); gdk_draw_rectangle (drawingarea->window, drawingarea->style->black_gc, - TRUE, 0, 0, GST_BUFFER_SIZE (buf), 25); + TRUE, 0, 0, GST_BUFFER_SIZE (buf), 32); for (i = 0; i < GST_BUFFER_SIZE (buf); i++) { gdk_draw_rectangle (drawingarea->window, drawingarea->style->white_gc, TRUE, i, 32 - data[i], 1, data[i]); @@ -33,7 +33,7 @@ main (int argc, char *argv[]) { GstElement *bin; GstElement *src, *spectrum, *sink; - + GstCaps *filtercaps; GtkWidget *appwindow; gst_init (&argc, &argv); @@ -42,7 +42,8 @@ main (int argc, char *argv[]) bin = gst_pipeline_new ("bin"); src = gst_element_factory_make (DEFAULT_AUDIOSRC, "src"); - g_object_set (G_OBJECT (src), "buffersize", (gulong) 1024, NULL); + g_object_set (G_OBJECT (src), "buffersize", (gulong) 1024 * sizeof (gint16), + NULL); spectrum = gst_element_factory_make ("spectrum", "spectrum"); g_object_set (G_OBJECT (spectrum), "width", 256, NULL); sink = gst_element_factory_make ("fakesink", "sink"); @@ -50,9 +51,18 @@ main (int argc, char *argv[]) g_signal_connect (sink, "handoff", G_CALLBACK (spectrum_chain), NULL); gst_bin_add_many (GST_BIN (bin), src, spectrum, sink, NULL); - gst_element_link_many (src, spectrum, sink, NULL); + + filtercaps = + gst_caps_new_simple ("audio/x-raw-int", "rate", G_TYPE_INT, 11025, NULL); + if (!gst_element_link_filtered (src, spectrum, filtercaps)) + g_error ("Linking source to spectrum failed\n"); + gst_caps_free (filtercaps); + if (!gst_element_link (spectrum, sink)) + g_error ("Linking spectrum to sink failed\n"); appwindow = gtk_window_new (GTK_WINDOW_TOPLEVEL); + g_signal_connect (appwindow, "delete-event", G_CALLBACK (gtk_main_quit), + NULL); drawingarea = gtk_drawing_area_new (); gtk_drawing_area_size (GTK_DRAWING_AREA (drawingarea), 256, 32); gtk_container_add (GTK_CONTAINER (appwindow), drawingarea); |