Update TuneAndPlayFromFile.py

Examples/TuneAndPlayFromFile.py

@@ -1 +1,72 @@
+from struct import pack
+from wave import open
+import pyaudio
+import sys
+import numpy as np
+import AutoTune
+
+FORM_CORR=0
+SCALE_ROTATE=0
+LFO_QUANT=0
+CONCERT_A=440.0
+FIXED_PITCH=2.0
+FIXED_PULL=0.1
+CORR_STR=1.0
+CORR_SMOOTH=0.0
+PITCH_SHIFT=0.0
+LFO_DEPTH=0.1
+LFO_RATE=1.0
+LFO_SHAPE=0.0
+LFO_SYMM=0.0
+FORM_WARP=0.0
+MIX=1.0
+KEY="c".encode()
+CHUNK=4096
+
+
+wf = open('teste.wav', 'rb')
+
+# If Stereo
+if wf.getnchannels() == 2:
+    print("Just mono files")
+    sys.exit(0)
+
+
+# Initialize PyAudio
+pyaud = pyaudio.PyAudio()
+
+
+# Open stream
+stream = pyaud.open(format =  pyaudio.paFloat32,
+               channels = wf.getnchannels(),
+               rate = wf.getframerate(),
+               output = True)
+
+
+
+
+signal = wf.readframes(-1)
+FS = wf.getframerate()
+intsignal = np.frombuffer(signal, dtype=np.int16)
+floatsignal  = np.float32(intsignal) / 2**15
+
+
+for i in range(0, len(floatsignal), CHUNK):
+
+        SignalChunk = (floatsignal[i:i+CHUNK])
+        if i+CHUNK > len(floatsignal):
+            CHUNK=len(SignalChunk)
+        rawfromC=AutoTune.Tuner(SignalChunk,FS,CHUNK,SCALE_ROTATE,LFO_QUANT,FORM_CORR,CONCERT_A,FIXED_PITCH,FIXED_PULL,CORR_STR,CORR_SMOOTH,PITCH_SHIFT,LFO_DEPTH,LFO_RATE,LFO_SHAPE,LFO_SYMM,FORM_WARP,MIX,KEY)
+        out = pack("%df"%len(rawfromC), *(rawfromC))
+        stream.write(out)
+
+
+
+
+# stop stream (4)
+stream.stop_stream()
+stream.close()
+
+# close PyAudio (5)
+pyaud.terminate()