AL-2020/venv/Lib/site-packages/pygame/examples/audiocapture.py

59 lines
1.2 KiB
Python

import pygame as pg
import time
if pg.get_sdl_version()[0] < 2:
raise SystemExit('This example requires pygame 2 and SDL2.')
from pygame._sdl2 import (
get_audio_device_name,
get_num_audio_devices,
AudioDevice,
AUDIO_F32,
AUDIO_ALLOW_FORMAT_CHANGE
)
pg.mixer.pre_init(44100, 32, 2, 512)
pg.init()
# init_subsystem(INIT_AUDIO)
names = [get_audio_device_name(x, 1) for x in range(get_num_audio_devices(1))]
print(names)
iscapture = 1
sounds = []
sound_chunks = []
def callback(audiodevice, audiomemoryview):
""" This is called in the sound thread.
Note, that the frequency and such you request may not be what you get.
"""
# print(type(audiomemoryview), len(audiomemoryview))
# print(audiodevice)
sound_chunks.append(bytes(audiomemoryview))
audio = AudioDevice(
devicename=names[0],
iscapture=1,
frequency=44100,
audioformat=AUDIO_F32,
numchannels=2,
chunksize=512,
allowed_changes=AUDIO_ALLOW_FORMAT_CHANGE,
callback=callback,
)
# start recording.
audio.pause(0)
print('recording with :%s:' % names[0])
time.sleep(5)
print('Turning data into a pygame.mixer.Sound')
sound = pg.mixer.Sound(buffer=b''.join(sound_chunks))
print('playing back recorded sound')
sound.play()
time.sleep(5)