def encode_line(self, line):
pixels = [self.yuv[col, line] for col in xrange(self.WIDTH)]
channel = (line % 2) + 1
y_pixel_time = self.Y_SCAN / self.WIDTH
uv_pixel_time = self.C_SCAN / self.WIDTH
return chain([(FREQ_BLACK, self.SYNC_PORCH)],
((byte_to_freq(p[0]), y_pixel_time) for p in pixels),
[(self.INTER_CH_FREQS[channel], self.INTER_CH_GAP),
(FREQ_VIS_START, self.PORCH)],
((byte_to_freq(p[channel]), uv_pixel_time)
for p in pixels))
def encode_line(self, line):
pixels = [self.yuv[col, line] for col in range(self.WIDTH)]
channel = 2 - (line % 2)
y_pixel_time = self.Y_SCAN / self.WIDTH
uv_pixel_time = self.C_SCAN / self.WIDTH
return chain(
[(FREQ_BLACK, self.SYNC_PORCH)],
((byte_to_freq(p[0]), y_pixel_time) for p in pixels),
[(self.INTER_CH_FREQS[channel], self.INTER_CH_GAP),
(FREQ_VIS_START, self.PORCH)],
((byte_to_freq(p[channel]), uv_pixel_time) for p in pixels))
def gen_image_tuples(self):
yuv = self.image.convert('YCbCr').load()
for line in range(0, self.HEIGHT, 2):
yield from self.horizontal_sync()
yield FREQ_BLACK, self.PORCH
pixels0 = [yuv[col, line] for col in range(self.WIDTH)]
pixels1 = [yuv[col, line + 1] for col in range(self.WIDTH)]
for p in pixels0:
yield byte_to_freq(p[0]), self.PIXEL
for p0, p1 in zip(pixels0, pixels1):
yield byte_to_freq((p0[2] + p1[2]) / 2), self.PIXEL
for p0, p1 in zip(pixels0, pixels1):
yield byte_to_freq((p0[1] + p1[1]) / 2), self.PIXEL
for p in pixels1:
yield byte_to_freq(p[0]), self.PIXEL
def encode_line(self, line):
msec_pixel = self.SCAN / self.WIDTH
image = self.pixels
for col in range(self.WIDTH):
pixel = image[col, line]
freq_pixel = byte_to_freq(pixel[0])
yield freq_pixel, msec_pixel
def gen_image_tuples(self):
yuv = self.image.convert('YCbCr').load()
for line in range(0, self.HEIGHT, 2):
for item in self.horizontal_sync():
yield item
yield FREQ_BLACK, self.PORCH
pixels0 = [yuv[col, line] for col in range(self.WIDTH)]
pixels1 = [yuv[col, line + 1] for col in range(self.WIDTH)]
for p in pixels0:
yield byte_to_freq(p[0]), self.PIXEL
for p0, p1 in zip(pixels0, pixels1):
yield byte_to_freq((p0[2] + p1[2]) / 2), self.PIXEL
for p0, p1 in zip(pixels0, pixels1):
yield byte_to_freq((p0[1] + p1[1]) / 2), self.PIXEL
for p in pixels1:
yield byte_to_freq(p[0]), self.PIXEL
def encode_line(self, line):
msec_pixel = self.SCAN / self.WIDTH
image = self.pixels
for col in range(self.WIDTH):
pixel = image[col, line]
freq_pixel = byte_to_freq(pixel[0])
yield freq_pixel, msec_pixel
def encode_line(self, line):
msec_pixel = self.SCAN / self.WIDTH
image = self.pixels
for color in self.COLOR_SEQ:
yield from self.before_channel(color)
for col in range(self.WIDTH):
pixel = image[col, line]
freq_pixel = byte_to_freq(pixel[color.value])
yield freq_pixel, msec_pixel
yield from self.after_channel(color)
def encode_line(self, line):
msec_pixel = self.SCAN / self.WIDTH
image = self.pixels
for index in self.COLOR_SEQ:
for item in self.before_channel(index):
yield item
for col in range(self.WIDTH):
pixel = image[col, line]
freq_pixel = byte_to_freq(pixel[index])
yield freq_pixel, msec_pixel
for item in self.after_channel(index):
yield item
def encode_line(self, line):
msec_pixel = self.SCAN / self.WIDTH
image = self.pixels
for index in self.COLOR_SEQ:
for item in self.before_channel(index):
yield item
for col in xrange(self.WIDTH):
pixel = image[col, line]
freq_pixel = byte_to_freq(pixel[index])
yield freq_pixel, msec_pixel
for item in self.after_channel(index):
yield item
def encode_line(self, line):
pixels_odd = [self.yuv[col, line] for col in range(self.WIDTH)]
pixels_even = [self.yuv[col, line + 1] for col in range(self.WIDTH)]
#tuple(map(operator.add, a, b))
rb_y = [((tuple(
map(operator.add, self.yuv[col, line], self.yuv[col, line + 1]))))
for col in range(self.WIDTH)]
channel = line % 2 # odd = 1 even = 0
y_pixel_time = self.Y_SCAN / self.WIDTH
uv_pixel_time = self.C_SCAN / self.WIDTH
if channel == 1:
return chain([(FREQ_BLACK, self.PORCH)],
((byte_to_freq(p[0]), y_pixel_time)
for p in pixels_odd),
((byte_to_freq(p[2] / 2), uv_pixel_time)
for p in rb_y),
((byte_to_freq(p[1] / 2), uv_pixel_time)
for p in rb_y), ((byte_to_freq(p[0]), y_pixel_time)
for p in pixels_even))
else:
chain1 = ()
return chain1
