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):
msec_pixel = self.SCAN / self.WIDTH
image = self.image
for col in xrange(self.WIDTH):
pixel = image.getpixel((col, line))
freq_pixel = byte_to_freq(sum(pixel) / len(pixel))
yield freq_pixel, msec_pixel
def encode_line(self, line):
msec_pixel = self.SCAN / self.WIDTH
image = self.pixels
for col in xrange(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.image
for col in xrange(self.WIDTH):
pixel = image.getpixel((col, line))
freq_pixel = byte_to_freq(sum(pixel) / len(pixel))
yield freq_pixel, msec_pixel
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):
cs = self.COLOR_SEQ
msec_pixel = self.SCAN / self.WIDTH
image = self.image
for index in cs:
for item in self.before_channel(index):
yield item
for col in xrange(self.WIDTH):
pixel = image.getpixel((col, line))
freq_pixel = byte_to_freq(pixel[index])
yield freq_pixel, msec_pixel
for item in self.after_channel(index):
yield item
