gstreamer/test/mp3parse.c

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#include <gst/gst.h>
extern gboolean _gst_plugin_spew;
void eof(GstElement *src) {
g_print("have eof, quitting\n");
exit(0);
}
void mp3parse_info_chain(GstPad *pad,GstBuffer *buf) {
g_print("sink : got buffer of size %d\n",GST_BUFFER_SIZE(buf));
gst_buffer_unref(buf);
}
int main(int argc,char *argv[]) {
GstPipeline *pipeline;
GstElementFactory *srcfactory, *parsefactory;
GstElement *src, *parse;
GstPad *infopad;
g_print("have %d args\n",argc);
_gst_plugin_spew = TRUE;
gst_init(&argc,&argv);
// gst_plugin_load("mp3parse");
gst_plugin_load_all();
pipeline = GST_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);
parsefactory = gst_elementfactory_find("mp3parse");
g_return_val_if_fail(parsefactory != NULL, -1);
src = gst_elementfactory_create(srcfactory,"src");
g_return_val_if_fail(src != NULL, -1);
gtk_object_set(GTK_OBJECT(src),"location",argv[1],NULL);
g_print("should be using file '%s'\n",argv[1]);
parse = gst_elementfactory_create(parsefactory,"parse");
g_return_val_if_fail(parse != NULL, -1);
infopad = gst_pad_new("sink",GST_PAD_SINK);
gst_pad_set_chain_function(infopad,mp3parse_info_chain);
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src));
gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse));
gtk_signal_connect(GTK_OBJECT(src),"eos",
GTK_SIGNAL_FUNC(eof),NULL);
gst_pad_connect(gst_element_get_pad(src,"src"),
gst_element_get_pad(parse,"sink"));
gst_pad_connect(gst_element_get_pad(parse,"src"),
infopad);
g_print("setting to RUNNING state\n");
gst_element_set_state(GST_ELEMENT(pipeline),GST_STATE_READY);
g_print("about to enter loop\n");
while (1)
gst_bin_iterate(GST_BIN(pipeline));
}