test.js: use aubio_tempo, improve output

diff --git a/test.js b/test.js
index 8fae5a6..bb5f072 100644 (file)
--- a/test.js
+++ b/test.js
@@ -4,6 +4,13 @@ var ref = require('ref');
 var get_file_bpm = function(path, params) {
 
        var source = aubio.new_aubio_source(path, params.samplerate, params.hop_s);//params.samplerate, params.hop_s);
+       try {
+               source.readPointer();
+       }
+       catch (e) {
+               console.log('failed opening ' + path);
+               return;
+       }
        var samplerate = aubio.aubio_source_get_samplerate(source);
        console.log('samplerate: ' + samplerate);
        var beats = [];
@@ -34,7 +41,16 @@ var get_file_bpm = function(path, params) {
        aubio.del_aubio_tempo(tempo);
 }
 
-get_file_bpm('holden.mp3', {
+
+if (process.argv[2]) {
+       var filename = process.argv[2];
+} else {
+       var filename = 'holden.mp3'
+}
+
+console.log('opening ' + filename);
+
+get_file_bpm(filename, {
        samplerate: 44100,
        win_s : 1024,
        hop_s : 512,