gstreamer/test/mp3mad.c

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#include <gst/gst.h>
int main(int argc,char *argv[]) {
GstElementFactory *srcfactory, *decodefactory, *playfactory;
GstElement *pipeline, *src, *decode, *play;
g_print("have %d args\n",argc);
gst_init(&argc,&argv);
pipeline = gst_pipeline_new("pipeline");
g_return_val_if_fail(pipeline != NULL, -1);
srcfactory = gst_elementfactory_find("disksrc");
g_return_val_if_fail(srcfactory != NULL, -1);
decodefactory = gst_elementfactory_find("mad");
g_return_val_if_fail(decodefactory != NULL, -1);
playfactory = gst_elementfactory_find("osssink");
g_return_val_if_fail(playfactory != NULL, -1);
src = gst_elementfactory_create(srcfactory,"src");
g_return_val_if_fail(src != NULL, -1);
g_object_set(G_OBJECT(src),"location",argv[1],NULL);
g_print("should be using file '%s'\n",argv[1]);
decode = gst_elementfactory_create(decodefactory,"decode");
g_return_val_if_fail(decode != NULL, -1);
play = gst_elementfactory_create(playfactory,"play");
g_return_val_if_fail(play != NULL, -1);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(decode));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(play));
gst_pad_connect(gst_element_get_pad(src,"src"),
gst_element_get_pad(decode,"sink"));
gst_pad_connect(gst_element_get_pad(decode,"src"),
gst_element_get_pad(play,"sink"));
g_print("setting to READY state\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY);
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_PLAYING);
g_print("about to enter loop\n");
while (gst_bin_iterate(GST_BIN(pipeline)));
return 0;
}