From: Paul Brossier <piem@piem.org>
Date: Fri, 15 Apr 2016 18:26:57 +0000 (+0200)
Subject: test.js: use aubio_tempo rather than directly beattracking
X-Git-Tag: v0.0.1~3^2~2
X-Git-Url: https://git.aubio.org/?a=commitdiff_plain;h=7ebae1f92807435ba2ec3384b5fffef7038de76b;p=node-aubio.git

test.js: use aubio_tempo rather than directly beattracking
---

diff --git a/test.js b/test.js
index 9168ceb..8fae5a6 100644
--- a/test.js
+++ b/test.js
@@ -11,24 +11,27 @@ var get_file_bpm = function(path, params) {
 	var test_fvec = aubio.new_fvec(params.hop_s);
 	var out_fvec = aubio.new_fvec(params.hop_s);
 	var tmp_read = ref.alloc('int'); 
-	var tempo = aubio.new_aubio_beattracking(params.hop_s, params.hop_s, params.samplerate);
+	var tempo = aubio.new_aubio_tempo('default', params.win_s, params.hop_s, params.samplerate);
 	var total_bpm = 0;
 	var count = 0;
 
 	while(true) {
 		aubio.aubio_source_do(source, test_fvec, tmp_read);
-		aubio.aubio_beattracking_do(tempo, test_fvec, out_fvec);
-		var test_sample = aubio.fvec_get_sample(test_fvec, 1);
-		console.log('test sample: ' + test_sample);
+		aubio.aubio_tempo_do(tempo, test_fvec, out_fvec);
+		var is_beat = aubio.fvec_get_sample(out_fvec, 0);
+		if (is_beat) {
+			var last_beat = aubio.aubio_tempo_get_last_s(tempo);
+			var last_bpm = aubio.aubio_tempo_get_bpm(tempo);
+			console.log('found beat at %d, %d bpm', last_beat, last_bpm);
+		}
 		var read = tmp_read.deref();
 		total_frames += read;
-		count = count + 1;
-		total_bpm += aubio.aubio_beattracking_get_bpm(tempo);
 		if(read != params.hop_s) { break; }
 	} 
-	console.log('total' + total_frames);
-	console.log('bpm: ' + total_bpm / count);
+	console.log('total time : %d seconds (%d frames)', (total_frames / samplerate), total_frames);
+
 	aubio.del_aubio_source(source);
+	aubio.del_aubio_tempo(tempo);
 }
 
 get_file_bpm('holden.mp3', {
@@ -36,23 +39,3 @@ get_file_bpm('holden.mp3', {
 	win_s : 1024,
 	hop_s : 512,
 });
-
-/*var in_fvec = aubio.new_fvec(16);
-var out_fvec = aubio.new_fvec(4);
-aubio.fvec_ones(out_fvec);
-aubio.fvec_print(in_fvec);
-aubio.fvec_print(out_fvec);
-
-var tempo = aubio.new_aubio_beattracking(16, 256, 44100);
-
-var i = 0;
-
-while(i < 10) {
-	aubio.aubio_beattracking_do(tempo, in_fvec, out_fvec);
-	console.log(aubio.aubio_beattracking_get_bpm(tempo));
-	i++
-}
-
-//var test_filt = aubio.new_aubio_filter_a_weighting(44100);
-//aubio.aubio_filter_do(test_fvec, test_filt);
-//*/