Changeset 6d8db80 for python/demos

Timestamp:

Jan 17, 2016, 3:14:44 PM (9 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

94b16497

Parents:

0e39e88

Message:

python/demos/demo_pysoundcard_*: update to pysoundcard 0.5.2 (closes #42)

Location:

python/demos

Files:

• demo_pysoundcard_play.py (modified) (1 diff)
• demo_pysoundcard_record.py (modified) (1 diff)

python/demos/demo_pysoundcard_play.py

@@ -11 +11 @@
     samplerate = f.samplerate
 
-    s = Stream(sample_rate = samplerate, block_length = hop_size)
+    s = Stream(samplerate = samplerate, blocksize = hop_size)
     s.start()
     read = 0

python/demos/demo_pysoundcard_record.py

@@ -9 +9 @@
     hop_size = 256
     duration = 5 # in seconds
-    s = Stream(block_length = hop_size)
-    g = sink(sink_path, samplerate = s.sample_rate)
+    s = Stream(blocksize = hop_size, channels = 1)
+    g = sink(sink_path, samplerate = int(s.samplerate))
+    print s.channels
 
     s.start()
     total_frames = 0
-    while total_frames < duration * s.sample_rate:
-        vec = s.read(hop_size)
-        # mix down to mono
-        mono_vec = vec.sum(-1) / float(s.input_channels)
-        g(mono_vec, hop_size)
-        total_frames += hop_size
+    try:
+        while total_frames < duration * s.samplerate:
+            vec = s.read(hop_size)
+            # mix down to mono
+            mono_vec = vec.sum(-1) / float(s.channels[0])
+            g(mono_vec, hop_size)
+            total_frames += hop_size
+    except KeyboardInterrupt, e:
+        print "stopped after", "%.2f seconds" % (total_frames / s.samplerate)
+        pass
     s.stop()