examples/utils.c: also print duration in seconds

[aubio.git] / examples / utils.c

diff --git a/examples/utils.c b/examples/utils.c
index 2c4c90e..96862af 100644 (file)
--- a/examples/utils.c
+++ b/examples/utils.c
@@ -53,6 +53,8 @@ char_t * tempo_method = "default";
 smpl_t silence_threshold = -90.;
 uint_t mix_input = 0;
 
+uint_t force_overwrite = 0;
+
 //
 // internal memory stuff
 aubio_source_t *this_source = NULL;
@@ -88,6 +90,12 @@ examples_common_init (int argc, char **argv)
       samplerate = aubio_source_get_samplerate(this_source);
     }
     if (sink_uri != NULL) {
+      uint_t sink_exists = (access(sink_uri, F_OK) == 0 );
+      if (!force_overwrite && sink_exists) {
+        outmsg ("Output file %s already exists, use -f to overwrite.\n",
+            sink_uri);
+        exit (1);
+      }
       this_sink = new_aubio_sink ((char_t*)sink_uri, samplerate);
       if (this_sink == NULL) {
         outmsg ("Could not open output file %s\n", sink_uri);
@@ -155,7 +163,8 @@ examples_common_process (aubio_process_func_t process_func,
       total_read += read;
     } while (read == hop_size);
 
-    verbmsg ("read %d samples (%d blocks of %d) from %s at %dHz\n",
+    verbmsg ("read %.2fs (%d samples in %d blocks of %d) from %s at %dHz\n",
+        total_read * 1. / samplerate,
         total_read, blocks, hop_size, source_uri, samplerate);
 
     del_aubio_source (this_source);