mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-23 16:50:47 +00:00
77 lines
2 KiB
C
77 lines
2 KiB
C
#include <gst/gst.h>
|
|
|
|
void eof(GstSrc *src) {
|
|
g_print("have eof, quitting\n");
|
|
exit(0);
|
|
}
|
|
|
|
int main(int argc,char *argv[]) {
|
|
GstType *type;
|
|
GList *factories;
|
|
GstElementFactory *parsefactory;
|
|
GstElement *bin, *src, *parse, *sink;
|
|
GList *padlist;
|
|
guchar *filename;
|
|
glong length = 0, size = 4180, skip = 8360, offset = 0;
|
|
|
|
if (argc == 2)
|
|
filename = argv[1];
|
|
else {
|
|
g_print("sorry, need a filename now\n");
|
|
exit(1);
|
|
}
|
|
|
|
gst_init(&argc,&argv);
|
|
gst_plugin_load_all();
|
|
|
|
bin = gst_bin_new("bin");
|
|
|
|
src = gst_asyncdisksrc_new("src");
|
|
g_print("created disksrc\n");
|
|
gtk_object_set(GTK_OBJECT(src),"location",filename,NULL);
|
|
length = gst_util_get_long_arg(GST_OBJECT(src),"length");
|
|
g_print("file is %d bytes long\n",length);
|
|
|
|
/* now it's time to get the parser */
|
|
type = gst_type_get_by_mime("audio/mp3");
|
|
factories = gst_type_get_sinks(type);
|
|
if (factories != NULL)
|
|
parsefactory = GST_ELEMENTFACTORY(factories->data);
|
|
else {
|
|
g_print("sorry, can't find anyone registered to sink 'mp3'\n");
|
|
return 1;
|
|
}
|
|
parse = gst_elementfactory_create(parsefactory,"parser");
|
|
if (parse == NULL) {
|
|
g_print("sorry, couldn't create parser\n");
|
|
return 1;
|
|
}
|
|
|
|
|
|
sink = gst_audiosink_new("audiosink");
|
|
|
|
gtk_signal_connect(GTK_OBJECT(src),"eof",
|
|
GTK_SIGNAL_FUNC(eof),NULL);
|
|
|
|
/* add objects to the main pipeline */
|
|
gst_bin_add(GST_BIN(bin),src);
|
|
gst_bin_add(GST_BIN(bin),parse);
|
|
gst_bin_add(GST_BIN(bin),sink);
|
|
|
|
/* connect src to sink */
|
|
gst_pad_connect(gst_element_get_pad(src,"src"),
|
|
gst_element_get_pad(parse,"sink"));
|
|
gst_pad_connect(gst_element_get_pad(parse,"src"),
|
|
gst_element_get_pad(sink,"sink"));
|
|
|
|
while(offset < length) {
|
|
gst_src_push_region(GST_SRC(src),offset,size);
|
|
offset += skip;
|
|
}
|
|
|
|
gst_object_destroy(GST_OBJECT(sink));
|
|
gst_object_destroy(GST_OBJECT(parse));
|
|
gst_object_destroy(GST_OBJECT(src));
|
|
gst_object_destroy(GST_OBJECT(bin));
|
|
}
|
|
|