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gst/spectrum/: Fix demo and reenable it. Yes, I'm currently playing with audio analysis tools

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Original commit message from CVS:
* gst/spectrum/Makefile.am:
* gst/spectrum/demo-osssrc.c: (spectrum_chain), (main),
(idle_func):
Fix demo and reenable it. Yes, I'm currently playing with audio
analysis tools
This commit is contained in:
Benjamin Otte 2004-10-22 20:09:55 +00:00
parent cd7beacb10
commit 75eed41545
3 changed files with 49 additions and 59 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2004-10-22 Benjamin Otte <in7y118@public.uni-hamburg.de>
* gst/spectrum/Makefile.am:
* gst/spectrum/demo-osssrc.c: (spectrum_chain), (main),
(idle_func):
Fix demo and reenable it. Yes, I'm currently playing with audio
analysis tools
2004-10-22 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* ext/ogg/gstoggdemux.c: (gst_ogg_pad_push):

14
gst/spectrum/Makefile.am
View file

@ -8,14 +8,12 @@ libgstspectrum_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
noinst_HEADERS = gstspectrum.h
## this thing needs gnome too, so unless someone checks for it, let's
## comment it out.
## if HAVE_GTK
## noinst_PROGRAMS = demo-osssrc
## endif
if HAVE_GTK
noinst_PROGRAMS = demo-osssrc
endif
## demo_osssrc_SOURCES = demo-osssrc.c
## demo_osssrc_CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS)
## demo_osssrc_LDFLAGS = $(GST_LIBS) $(GTK_LIBS)
demo_osssrc_SOURCES = demo-osssrc.c
demo_osssrc_CFLAGS = $(GST_CFLAGS) $(GTK_CFLAGS)
demo_osssrc_LDFLAGS = $(GST_LIBS) $(GTK_LIBS)
EXTRA_DIST = README

86
gst/spectrum/demo-osssrc.c
View file

@ -1,62 +1,63 @@
#include <gnome.h>
#include <gst/gst.h>
#include <gtk/gtk.h>
extern gboolean _gst_plugin_spew;
void spectrum_chain (GstPad * pad, GstData * _data);
gboolean idle_func (gpointer data);
GtkWidget *drawingarea;
void
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 };
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);
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]);
}
gdk_window_end_paint (drawingarea->window);
}
int
main (int argc, char *argv[])
{
GstElement *bin;
GstElementFactory *srcfactory;
GstElement *src;
GstElementFactory *spectrumfactory;
GstElement *spectrum;
GstPad *spectrumpad;
GstElement *src, *spectrum, *sink;
GtkWidget *appwindow;
_gst_plugin_spew = TRUE;
gst_init (&argc, &argv);
gnome_init ("Spectrum", "0.0.1", argc, argv);
gtk_init (&argc, &argv);
bin = gst_bin_new ("bin");
bin = gst_pipeline_new ("bin");
srcfactory = gst_element_factory_find ("osssrc");
spectrumfactory = gst_element_factory_find ("gstspectrum");
src = gst_element_factory_make ("osssrc", "src");
g_object_set (G_OBJECT (src), "buffersize", (gulong) 1024, NULL);
spectrum = gst_element_factory_make ("spectrum", "spectrum");
g_object_set (G_OBJECT (spectrum), "width", 256, NULL);
sink = gst_element_factory_make ("fakesink", "sink");
g_object_set (G_OBJECT (sink), "signal-handoffs", TRUE, NULL);
g_signal_connect (sink, "handoff", G_CALLBACK (spectrum_chain), NULL);
src = gst_element_factory_create (srcfactory, "src");
gtk_object_set (GTK_OBJECT (src), "bytes_per_read", (gulong) 1024, NULL);
spectrum = gst_element_factory_create (spectrumfactory, "spectrum");
gtk_object_set (GTK_OBJECT (spectrum), "width", 256, NULL);
gst_bin_add_many (GST_BIN (bin), src, spectrum, sink, NULL);
gst_element_link_many (src, spectrum, sink, NULL);
gst_bin_add (GST_BIN (bin), GST_ELEMENT (src));
gst_bin_add (GST_BIN (bin), GST_ELEMENT (spectrum));
gst_pad_link (gst_element_get_pad (src, "src"),
gst_element_get_pad (spectrum, "sink"));
spectrumpad = gst_pad_new ("sink", GST_PAD_SINK);
gst_pad_set_chain_function (spectrumpad, spectrum_chain);
gst_pad_link (gst_element_get_pad (spectrum, "src"), spectrumpad);
appwindow = gnome_app_new ("spectrum", "Spectrum");
appwindow = gtk_window_new (GTK_WINDOW_TOPLEVEL);
drawingarea = gtk_drawing_area_new ();
gtk_drawing_area_size (GTK_DRAWING_AREA (drawingarea), 256, 32);
gnome_app_set_contents (GNOME_APP (appwindow), drawingarea);
gtk_container_add (GTK_CONTAINER (appwindow), drawingarea);
gtk_widget_show_all (appwindow);
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_READY);
gst_element_set_state (GST_ELEMENT (bin), GST_STATE_PLAYING);
g_idle_add (idle_func, src);
g_idle_add (idle_func, bin);
gtk_main ();
@ -64,25 +65,8 @@ main (int argc, char *argv[])
}
void
spectrum_chain (GstPad * pad, GstData * _data)
{
GstBuffer *buf = GST_BUFFER (_data);
gint i;
guchar *data = buf->data;
gdk_draw_rectangle (drawingarea->window, drawingarea->style->black_gc,
TRUE, 0, 0, GST_BUFFER_SIZE (buf), 25);
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]);
}
gst_buffer_unref (buf);
}
gboolean
idle_func (gpointer data)
{
/*gst_src_push(GST_SRC(data)); */
return TRUE;
return gst_bin_iterate (data);
}