pySSTV/pysstv/examples/get_floats.py

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559 B
Python
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2013-07-15 13:38:03 +00:00
#!/usr/bin/env python
"""
This example streams the raw floating point samples to stdout in 4-byte
single precision format, so that it can be processed outside PySSTV.
Usage example: get_floats.py | play -r 44100 -t f32 -c 1 --norm -
"""
from PIL import Image
from pysstv.grayscale import Robot8BW
import struct, sys
def main():
img = Image.open("160x120bw.png")
sstv = Robot8BW(img, 44100, 16)
sstv.vox_enabled = True
for value in sstv.gen_values():
sys.stdout.write(struct.pack('f', value))
if __name__ == '__main__':
main()