gstreamer/tools/gstreamer-launch.c

#include <glib.h>
#include <gst/gst.h>
#include <gst/gstparse.h>
#include <string.h>
#include <stdlib.h>

int main(int argc,char *argv[]) {
  GstElement *pipeline;
  char **argvn;
  gchar *cmdline;
  int i;
        
  gst_init(&argc,&argv);  

  pipeline = gst_pipeline_new("launch");

  // make a null-terminated version of argv
  argvn = g_new0(char *,argc);
  memcpy(argvn,argv+1,sizeof(char*)*(argc-1));
  // join the argvs together
  cmdline = g_strjoinv(" ",argvn);
  // free the null-terminated argv
  g_free(argvn);

  gst_parse_launch(cmdline,pipeline);

  fprintf(stderr,"RUNNING pipeline\n");
  gst_element_set_state(pipeline,GST_STATE_PLAYING);

  while (1)
    gst_bin_iterate (GST_BIN (pipeline));

  return 0;
}