#include extern gboolean _gst_plugin_spew; void ac3parse_info_chain(GstPad *pad,GstBuffer *buf) { g_print("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("ac3parse"); gst_plugin_load_all(); pipeline = gst_pipeline_new("pipeline"); g_return_if_fail(pipeline != NULL); srcfactory = gst_elementfactory_find("disksrc"); g_return_if_fail(srcfactory != NULL); parsefactory = gst_elementfactory_find("ac3parse"); g_return_if_fail(parsefactory != NULL); src = gst_elementfactory_create(srcfactory,"src"); g_return_if_fail(src != NULL); gtk_object_set(GTK_OBJECT(src),"location",argv[1],"bytesperread",4096,NULL); g_print("should be using file '%s'\n",argv[1]); parse = gst_elementfactory_create(parsefactory,"parse"); g_return_if_fail(parse != NULL); infopad = gst_pad_new("sink",GST_PAD_SINK); gst_pad_set_chain_function(infopad,ac3parse_info_chain); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(src)); gst_bin_add(GST_BIN(pipeline),GST_ELEMENT(parse)); 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 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 (1) gst_bin_iterate(GST_BIN(pipeline)); }