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changed speed to be loop-based, work with floats as well as gint8 and gint16, mono only now though added speed demo a...

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Original commit message from CVS:
* changed speed to be loop-based, work with floats as well as gint8 and gint16,
mono only now though
* added speed demo app in the test directory. try it, it's really neat.
* fixed minor bugs in passthrough and gstaudio.h. don't worry, it does build ;)
This commit is contained in:
Andy Wingo 2001-08-25 02:19:20 +00:00
parent 1d7203ab83
commit 351d186581
3 changed files with 72 additions and 5 deletions
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8
include/gstaudio.h
View file

@ -52,8 +52,8 @@
GST_PROPS_BOOLEAN (TRUE),\
GST_PROPS_BOOLEAN(FALSE)\
),\
"width", GST_PROPS_INT_RANGE (8, 16),\
"depth", GST_PROPS_INT_RANGE (8, 16),\
"width", GST_PROPS_LIST (GST_PROPS_INT(8), GST_PROPS_INT(16)),\
"depth", GST_PROPS_LIST (GST_PROPS_INT(8), GST_PROPS_INT(16)),\
"rate", GST_PROPS_INT_RANGE (4000, 96000),\
"channels", GST_PROPS_INT_RANGE (1, G_MAXINT),\
NULL)
@ -67,8 +67,8 @@
GST_PROPS_BOOLEAN (TRUE),\
GST_PROPS_BOOLEAN(FALSE)\
),\
"width", GST_PROPS_INT_RANGE (8, 16),\
"depth", GST_PROPS_INT_RANGE (8, 16),\
"width", GST_PROPS_LIST (GST_PROPS_INT(8), GST_PROPS_INT(16)),\
"depth", GST_PROPS_LIST (GST_PROPS_INT(8), GST_PROPS_INT(16)),\
"rate", GST_PROPS_INT_RANGE (4000, 96000),\
"channels", GST_PROPS_INT (1),\
NULL)

2
test/Makefile.am
View file

@ -4,7 +4,7 @@ if HAVE_GNOME
GNOME_PROGS = spectrum wave mp1parse videotest aviparse \
videotest2 video2mp1 dvshow dv2mp1 \
mpeg2parse mpeg2parse2 mpeg2parse3 \
mp2tomp1v2 main
mp2tomp1v2 main testspeed
else
GNOME_PROGS =
endif

67
test/testspeed.c Normal file
View file

@ -0,0 +1,67 @@
#include <gtk/gtk.h>
#include <gst/gst.h>
void set_speed (GtkAdjustment *adj, gpointer data)
{
GstElement *speed = GST_ELEMENT(data);
gtk_object_set(GTK_OBJECT(speed), "speed", adj->value, NULL);
}
int main(int argc, char **argv)
{
GtkWidget *window, *vbox, *hscale, *button;
GstElement *disksrc, *mad, *stereo2mono, *speed, *osssink, *pipeline;
gst_init (&argc, &argv);
gtk_init (&argc, &argv);
if (argc!=2) {
g_print("usage: %s <your.mp3>\n", argv[0]);
exit(-1);
}
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(window), 400, 80);
vbox = gtk_vbox_new(FALSE, 0);
gtk_widget_show(vbox);
hscale = gtk_hscale_new(GTK_ADJUSTMENT(gtk_adjustment_new(1.0, 0.01, 4.0,
0.1, 0.0, 0.0)));
gtk_scale_set_digits(GTK_SCALE(hscale), 2);
gtk_range_set_update_policy(GTK_RANGE(hscale), GTK_UPDATE_CONTINUOUS);
button = gtk_button_new_with_label("quit");
gtk_container_add(GTK_CONTAINER(window), vbox);
gtk_box_pack_start(GTK_BOX(vbox), hscale, TRUE, TRUE, 2);
gtk_box_pack_start(GTK_BOX(vbox), button, FALSE, FALSE, 2);
gtk_widget_show(hscale);
gtk_signal_connect(GTK_OBJECT(button), "clicked", gtk_main_quit, NULL);
gtk_widget_show(button);
disksrc = gst_elementfactory_make("disksrc", "disksrc");
mad = gst_elementfactory_make("mad", "mad");
stereo2mono = gst_elementfactory_make("stereo2mono", "stereo2mono");
speed = gst_elementfactory_make("speed", "speed");
osssink = gst_elementfactory_make("osssink", "osssink");
gtk_object_set(GTK_OBJECT(osssink), "fragment", 0x00180008, NULL);
gtk_signal_connect(GTK_OBJECT(gtk_range_get_adjustment(GTK_RANGE(hscale))),
"value_changed", set_speed, speed);
pipeline = gst_pipeline_new("app");
gst_bin_add(GST_BIN(pipeline), disksrc);
gst_bin_add(GST_BIN(pipeline), mad);
gst_bin_add(GST_BIN(pipeline), stereo2mono);
gst_bin_add(GST_BIN(pipeline), speed);
gst_bin_add(GST_BIN(pipeline), osssink);
gst_element_connect(disksrc, "src", mad, "sink");
gst_element_connect(mad, "src", stereo2mono, "sink");
gst_element_connect(stereo2mono, "src", speed, "sink");
gst_element_connect(speed, "src", osssink, "sink");
gtk_object_set(GTK_OBJECT(disksrc), "location", argv[1], NULL);
gst_element_set_state(pipeline, GST_STATE_PLAYING);
gtk_widget_show(window);
gtk_idle_add((GtkFunction)gst_bin_iterate, pipeline);
gtk_main();
}