gstreamer/test/p.c

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C
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#include <glib.h>
#include <gst/gst.h>
void eof(GstSrc *src) {
g_print("have eof, quitting\n");
exit(0);
}
int main(int argc,char *argv[]) {
GstElement *bin, *disksrc, *p, *osssink;
GList *padlist;
gst_init(&argc,&argv);
bin = gst_bin_new("bin");
disksrc = gst_disksrc_new("disksrc");
g_print("created disksrc\n");
if (argc == 2)
gst_disksrc_set_filename(disksrc,argv[1]);
else
gst_disksrc_set_filename(disksrc,"mendelssohn.1.raw");
gst_disksrc_set_bytesperread(disksrc,32768);
g_print("loaded file '%s'\n",gst_disksrc_get_filename(disksrc));
p = gst_plugin_find_elementfactory("pipe");
osssink = gst_osssink_new("osssink");
gtk_signal_connect(GTK_OBJECT(disksrc),"eof",
GTK_SIGNAL_FUNC(eof),NULL);
/* add objects to the main pipeline */
gst_bin_add(GST_BIN(bin),GST_OBJECT(disksrc));
gst_bin_add(GST_BIN(bin),GST_OBJECT(p));
gst_bin_add(GST_BIN(bin),GST_OBJECT(osssink));
/* connect src to sink */
gst_pad_connect(gst_element_get_pad(disksrc,"src"),
gst_element_get_pad(p,"sink"));
gst_pad_connect(gst_element_get_pad(p,"src"),
gst_element_get_pad(osssink,"sink"));
/* set soundcard properties */
gst_osssink_set_format(GST_AUDIOSINK(osssink),AFMT_S16_BE);
gst_osssink_set_channels(GST_AUDIOSINK(osssink),2);
gst_osssink_set_frequency(GST_AUDIOSINK(osssink),44100);
while(1)
gst_disksrc_push(GST_SRC(disksrc));
gst_object_destroy(GST_OBJECT(osssink));
gst_object_destroy(GST_OBJECT(disksrc));
gst_object_destroy(GST_OBJECT(bin));
}