kopia lustrzana https://github.com/dnet/pySSTV
41 wiersze
897 B
Python
41 wiersze
897 B
Python
#!/usr/bin/env python
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from __future__ import division
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from pysstv.sstv import SSTV, byte_to_freq
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class GrayscaleSSTV(SSTV):
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def on_init(self):
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self.pixels = self.image.convert('LA').load()
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def gen_image_tuples(self):
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for line in range(self.HEIGHT):
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yield from self.horizontal_sync()
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yield from self.encode_line(line)
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def encode_line(self, line):
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msec_pixel = self.SCAN / self.WIDTH
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image = self.pixels
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for col in range(self.WIDTH):
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pixel = image[col, line]
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freq_pixel = byte_to_freq(pixel[0])
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yield freq_pixel, msec_pixel
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class Robot8BW(GrayscaleSSTV):
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VIS_CODE = 0x02
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WIDTH = 160
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HEIGHT = 120
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SYNC = 7
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SCAN = 60
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class Robot24BW(GrayscaleSSTV):
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VIS_CODE = 0x0A
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WIDTH = 320
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HEIGHT = 240
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SYNC = 7
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SCAN = 93
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MODES = (Robot8BW, Robot24BW)
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