12 files changed, 372 insertions, 0 deletions
diff --git a/data/Makefile b/data/Makefile
new file mode 100644
index 0000000..768a346
--- /dev/null
+++ b/data/Makefile
@@ -0,0 +1,12 @@
+SUBDIRS=frames
+
+recursive=all clean install
+
+all:
+
+$(recursive):
+	@target=$@ ; \
+	for subdir in $(SUBDIRS); do \
+		echo "Making $$target in $$subdir" ; \
+		$(MAKE) -C $$subdir $$target; \
+	done
diff --git a/data/frames/.gitignore b/data/frames/.gitignore
new file mode 100644
index 0000000..a8a0dce
--- /dev/null
+++ b/data/frames/.gitignore
@@ -0,0 +1 @@
+*.bin
diff --git a/data/frames/Makefile b/data/frames/Makefile
new file mode 100644
index 0000000..326e447
--- /dev/null
+++ b/data/frames/Makefile
@@ -0,0 +1,9 @@
+all:
+	@./gen-frames.py
+
+clean:
+	@rm *.bin
+
+install:
+	mkdir -p $(INSTALL_DIR)/frames/
+	cp frame-reference-*.bin $(INSTALL_DIR)/frames/
diff --git a/data/frames/frame-reference-1024x768.rgb.gz b/data/frames/frame-reference-1024x768.rgb.gz
new file mode 100644
index 0000000..480239c
--- /dev/null
+++ b/data/frames/frame-reference-1024x768.rgb.gz
diff --git a/data/frames/frame-reference-1024x768.yuv.gz b/data/frames/frame-reference-1024x768.yuv.gz
new file mode 100644
index 0000000..55d3e7a
--- /dev/null
+++ b/data/frames/frame-reference-1024x768.yuv.gz
diff --git a/data/frames/frame-reference-640x480.rgb.gz b/data/frames/frame-reference-640x480.rgb.gz
new file mode 100644
index 0000000..7c5bd16
--- /dev/null
+++ b/data/frames/frame-reference-640x480.rgb.gz
diff --git a/data/frames/frame-reference-640x480.yuv.gz b/data/frames/frame-reference-640x480.yuv.gz
new file mode 100644
index 0000000..3f27be3
--- /dev/null
+++ b/data/frames/frame-reference-640x480.yuv.gz
diff --git a/data/frames/frame-scaled-1024x768.rgb.gz b/data/frames/frame-scaled-1024x768.rgb.gz
new file mode 100644
index 0000000..fba101d
--- /dev/null
+++ b/data/frames/frame-scaled-1024x768.rgb.gz
diff --git a/data/frames/frame-scaled-1024x768.yuv.gz b/data/frames/frame-scaled-1024x768.yuv.gz
new file mode 100644
index 0000000..d3c3aae
--- /dev/null
+++ b/data/frames/frame-scaled-1024x768.yuv.gz
diff --git a/data/frames/frame-scaled-640x480.rgb.gz b/data/frames/frame-scaled-640x480.rgb.gz
new file mode 100644
index 0000000..08c1be8
--- /dev/null
+++ b/data/frames/frame-scaled-640x480.rgb.gz
diff --git a/data/frames/frame-scaled-640x480.yuv.gz b/data/frames/frame-scaled-640x480.yuv.gz
new file mode 100644
index 0000000..821919f
--- /dev/null
+++ b/data/frames/frame-scaled-640x480.yuv.gz
diff --git a/data/frames/gen-frames.py b/data/frames/gen-frames.py
new file mode 100755
index 0000000..4742793
--- /dev/null
+++ b/data/frames/gen-frames.py
@@ -0,0 +1,350 @@
+#!/usr/bin/python
+
+import copy
+import glob
+import gzip
+import itertools
+import operator
+import re
+import struct
+import sys
+
+class FormatRGB:
+	def __init__(self, name, mapping):
+		self.name = name
+		self.mapping = copy.copy(mapping)
+		self.depth = sum(v[1] for v in mapping.values())
+
+		if self.mapping.has_key('a'):
+			self.alpha_bits = self.mapping['a'][1]
+		elif self.mapping.has_key('x'):
+			self.alpha_bits = self.mapping['x'][1]
+		else:
+			self.alpha_bits = 0
+
+	def alpha(self, alpha):
+		if self.mapping.has_key('a'):
+			return (alpha >> (8 - self.mapping['a'][1])) << self.mapping['a'][0]
+		elif self.mapping.has_key('x'):
+			return (alpha >> (8 - self.mapping['x'][1])) << self.mapping['x'][0]
+		else:
+			return 0
+
+	def generate_8(self, width, height, rgb):
+		output = []
+		for i in xrange(width * height):
+			r, g, b = rgb[i]
+			pixel = ((r >> (8 - self.mapping['r'][1])) << self.mapping['r'][0]) \
+			      | ((g >> (8 - self.mapping['g'][1])) << self.mapping['g'][0]) \
+			      | ((b >> (8 - self.mapping['b'][1])) << self.mapping['b'][0])
+			output.append(struct.pack('B', pixel))
+		return ''.join(output)
+
+	def generate_16(self, width, height, rgb, alpha):
+		output = []
+		for i in xrange(width * height):
+			r, g, b = rgb[i]
+			pixel = ((r >> (8 - self.mapping['r'][1])) << self.mapping['r'][0]) \
+			      | ((g >> (8 - self.mapping['g'][1])) << self.mapping['g'][0]) \
+			      | ((b >> (8 - self.mapping['b'][1])) << self.mapping['b'][0]) \
+			      | self.alpha(alpha)
+			output.append(struct.pack('<H', pixel))
+		return ''.join(output)
+
+	def generate_24(self, width, height, rgb):
+		output = []
+		for i in xrange(width * height):
+			r, g, b = rgb[i]
+			pixel = ((r >> (8 - self.mapping['r'][1])) << self.mapping['r'][0]) \
+			      | ((g >> (8 - self.mapping['g'][1])) << self.mapping['g'][0]) \
+			      | ((b >> (8 - self.mapping['b'][1])) << self.mapping['b'][0])
+			output.append(struct.pack('<I', pixel)[0:3])
+		return ''.join(output)
+
+	def generate_32(self, width, height, rgb, alpha):
+		output = []
+		for i in xrange(width * height):
+			r, g, b = rgb[i]
+			pixel = ((r >> (8 - self.mapping['r'][1])) << self.mapping['r'][0]) \
+			      | ((g >> (8 - self.mapping['g'][1])) << self.mapping['g'][0]) \
+			      | ((b >> (8 - self.mapping['b'][1])) << self.mapping['b'][0]) \
+			      | self.alpha(alpha)
+			output.append(struct.pack('<I', pixel))
+		return ''.join(output)
+
+	def convert(self, width, height, rgb, alpha):
+		if self.depth == 8:
+			return self.generate_8(width, height, rgb)
+		elif self.depth == 16:
+			return self.generate_16(width, height, rgb, alpha)
+		elif self.depth == 24:
+			return self.generate_24(width, height, rgb)
+		elif self.depth == 32:
+			return self.generate_32(width, height, rgb, alpha)
+		else:
+			raise RuntimeError, 'Invalid depth %s' % self.depth
+
+	def bin(self, bins, val):
+		bins[val >> 2] += 1
+
+	def histogram(self, width, height, rgb):
+		rgb_min = [255, 255, 255]
+		rgb_max = [0, 0, 0]
+		rgb_sum = [0, 0, 0]
+		rgb_bins = [[0] * 64, [0] * 64, [0] * 64]
+
+		for i in xrange(width * height):
+			pixel = rgb[i]
+
+			rgb_min = map(min, pixel, rgb_min)
+			rgb_max = map(max, pixel, rgb_max)
+			rgb_sum = map(operator.add, pixel, rgb_sum)
+
+			map(self.bin, rgb_bins, pixel)
+
+		output = []
+		for i in xrange(len(rgb_min)):
+			output.append(struct.pack('BBBB', rgb_min[i], 0, rgb_max[i], 0))
+		output.append(struct.pack('<3I', *rgb_sum))
+		for i in xrange(len(rgb_bins)):
+			output.append(struct.pack('<64I', *rgb_bins[i]))
+
+		return ''.join(output)
+
+	def compose(self, ninputs, width, height, rgb):
+		output = [(0, 0, 0)] * (width * height)
+		offset = 50
+
+		for input in xrange(ninputs):
+			length = width - offset
+			for y in xrange(height - offset):
+				dst_offset = (y + offset) * width + offset
+				src_offset = y * width
+				output[dst_offset:dst_offset+length] = rgb[src_offset:src_offset+length]
+			offset += 50
+
+		return ''.join(chr(d) for d in list(itertools.chain.from_iterable(output)))
+
+
+class FormatYUVPacked:
+	def __init__(self, name, mapping):
+		self.name = name
+		self.mapping = copy.copy(mapping)
+
+	def convert(self, width, height, yuv):
+		output = []
+		for i in xrange(width * height / 2):
+			pixel = yuv[i*4:(i+1)*4]
+			pixel = (pixel[self.mapping[0]], pixel[self.mapping[1]],
+				 pixel[self.mapping[2]], pixel[self.mapping[3]])
+			output.extend(pixel)
+		return ''.join(output)
+
+	def bin(self, bins, val):
+		bins[val >> 2] += 1
+
+	def histogram(self, width, height, yuv):
+		vyu_min = [255, 255, 255]
+		vyu_max = [0, 0, 0]
+		vyu_sum = [0, 0, 0]
+		vyu_bins = [[0] * 64, [0] * 64, [0] * 64]
+
+		for y in xrange(height):
+			for x in xrange(width / 2):
+				offset = y * width * 2 + x * 4
+				u0 = ord(yuv[offset])
+				y0 = ord(yuv[offset+1])
+				v0 = ord(yuv[offset+2])
+				y1 = ord(yuv[offset+3])
+
+				if x != width / 2 - 1:
+					u2 = ord(yuv[offset+4])
+					v2 = ord(yuv[offset+6])
+					u1 = (u0 + u2) / 2
+					v1 = (v0 + v2) / 2
+				else:
+					u1 = u0
+					v1 = v1
+
+				for vyu in ((v0, y0, u0), (v1, y1, u1)):
+					vyu_min = map(min, vyu, vyu_min)
+					vyu_max = map(max, vyu, vyu_max)
+					vyu_sum = map(operator.add, vyu, vyu_sum)
+
+					map(self.bin, vyu_bins, vyu)
+
+		output = []
+		for i in xrange(len(vyu_min)):
+			output.append(struct.pack('BBBB', vyu_min[i], 0, vyu_max[i], 0))
+		output.append(struct.pack('<3I', *vyu_sum))
+		for i in xrange(len(vyu_bins)):
+			output.append(struct.pack('<64I', *vyu_bins[i]))
+
+		return ''.join(output)
+
+	def compose(self, ninputs, width, height, yuv):
+		output = ['\0'] * (width * height * 2)
+		offset = 50
+
+		for input in xrange(ninputs):
+			length = (width - offset) * 2
+			for y in xrange(height - offset):
+				dst_offset = ((y + offset) * width + offset) * 2
+				src_offset = y * width * 2
+				output[dst_offset:dst_offset+length] = yuv[src_offset:src_offset+length]
+			offset += 50
+
+		return ''.join(output)
+
+
+class FormatNV:
+	def __init__(self, name, hsub, vsub, mapping):
+		self.name = name
+		self.hsub = hsub
+		self.vsub = vsub
+		self.mapping = copy.copy(mapping)
+
+	def convert(self, width, height, yuv):
+		output = []
+
+		for i in xrange(width * height):
+			output.append(yuv[2*i+1])
+
+		for y in xrange(height / self.vsub):
+			for x in xrange(width / 2):
+				offset = (y * self.vsub * width * 2) + x * 4
+				uv = (yuv[offset], yuv[offset+2])
+				uv = (uv[self.mapping[0]], uv[self.mapping[1]])
+				output.extend(uv)
+
+		return ''.join(output)
+
+
+class FormatYUVPlanar:
+	def __init__(self, name, hsub, vsub, mapping):
+		self.name = name
+		self.hsub = hsub
+		self.vsub = vsub
+		self.mapping = copy.copy(mapping)
+
+	def convert(self, width, height, yuv):
+		output = []
+
+		for i in xrange(width * height):
+			output.append(yuv[2*i+1])
+
+		for y in xrange(height / self.vsub):
+			for x in xrange(width / 2):
+				offset = (y * self.vsub * width * 2) + x * 4
+				u = yuv[offset + self.mapping[0] * 2]
+				output.append(u)
+
+		for y in xrange(height / self.vsub):
+			for x in xrange(width / 2):
+				offset = (y * self.vsub * width * 2) + x * 4
+				v = yuv[offset + self.mapping[1] * 2]
+				output.append(v)
+
+		return ''.join(output)
+
+
+formats_rgb = {
+	'rgb332': FormatRGB('rgb332',  {'r': (5, 3), 'g': (2, 3), 'b': (0, 2)}),
+	'rgb565': FormatRGB('rgb565',  {'r': (11, 5), 'g': (5, 6), 'b': (0, 5)}),
+	'bgr24':  FormatRGB('bgr24',   {'r': (16, 8), 'g': (8, 8),  'b': (0, 8)}),
+	'rgb24':  FormatRGB('rgb24',   {'r': (0, 8),  'g': (8, 8),  'b': (16, 8)}),
+}
+
+formats_argb = {
+	'argb555': FormatRGB('argb555', {'a': (15, 1), 'r': (10, 5), 'g': (5, 5), 'b': (0, 5)}),
+	'xrgb555': FormatRGB('xrgb555', {'x': (15, 1), 'r': (10, 5), 'g': (5, 5), 'b': (0, 5)}),
+	'abgr32':  FormatRGB('abgr32',  {'a': (24, 8), 'r': (16, 8), 'g': (8, 8),  'b': (0, 8)}),
+	'argb32':  FormatRGB('argb32',  {'a': (0, 8),  'r': (8, 8),  'g': (16, 8), 'b': (24, 8)}),
+	'xbgr32':  FormatRGB('xbgr32',  {'x': (24, 8), 'r': (16, 8), 'g': (8, 8),  'b': (0, 8)}),
+	'xrgb32':  FormatRGB('xrgb32',  {'x': (0, 8),  'r': (8, 8),  'g': (16, 8), 'b': (24, 8)}),
+}
+
+formats_yuv = {
+	'uyvy':    FormatYUVPacked('uyvy', (0, 1, 2, 3)),
+	'vyuy':    FormatYUVPacked('vyuy', (2, 1, 0, 3)),
+	'yuyv':    FormatYUVPacked('yuyv', (1, 0, 3, 2)),
+	'yvyu':    FormatYUVPacked('yvyu', (1, 2, 3, 0)),
+	'nv12m':   FormatNV('nv12m', 2, 2, (0, 1)),
+	'nv21m':   FormatNV('nv21m', 2, 2, (1, 0)),
+	'nv16m':   FormatNV('nv16m', 2, 1, (0, 1)),
+	'nv61m':   FormatNV('nv61m', 2, 1, (1, 0)),
+	'yuv420m': FormatYUVPlanar('yuv420m', 2, 2, (0, 1)),
+}
+
+resolutions = ((640, 480), (1024, 768))
+
+def main(argv):
+	re_fname = re.compile('frame-([a-z]*)-([0-9]*)x([0-9]*).([a-z]*).gz')
+
+	for fname in glob.glob('*.gz'):
+		match = re_fname.match(fname)
+		if not match:
+			continue
+
+		typ = match.group(1)
+		res = (int(match.group(2)), int(match.group(3)))
+		fmt = match.group(4)
+
+		if fmt == 'rgb':
+			rgb = gzip.open(fname, 'rb').read()
+			rgb = [struct.unpack('BBB', rgb[i*3:(i+1)*3]) for i in xrange(len(rgb) / 3)]
+
+			for format in formats_rgb.values():
+				bin_fname = 'frame-%s-%s-%ux%u.bin' % (typ, format.name, res[0], res[1])
+				print 'Generating %s' % bin_fname
+				bin = format.convert(res[0], res[1], rgb, 0)
+				file(bin_fname, 'wb').write(bin)
+
+			for format in formats_argb.values():
+				for alpha in (0, 100, 200, 255):
+					if format.alpha_bits == 1 and alpha not in (0, 255):
+						continue
+					bin_fname = 'frame-%s-%s-%ux%u-alpha%u.bin' % (typ, format.name, res[0], res[1], alpha)
+					print 'Generating %s' % bin_fname
+					bin = format.convert(res[0], res[1], rgb, alpha)
+					file(bin_fname, 'wb').write(bin)
+
+			format = formats_rgb['rgb24']
+
+			bin_fname = 'histo-%s-%s-%ux%u.bin' % (typ, format.name, res[0], res[1])
+			print 'Generating %s' % bin_fname
+			bin = format.histogram(res[0], res[1], rgb)
+			file(bin_fname, 'wb').write(bin)
+
+			if typ == 'reference' and res[0] == 1024 and res[1] == 768:
+				for ninputs in xrange(1, 6):
+					bin_fname = 'frame-composed-%u-%s-%ux%u.bin' % (ninputs, format.name, res[0], res[1])
+					print 'Generating %s' % bin_fname
+					bin = format.compose(ninputs, res[0], res[1], rgb)
+					file(bin_fname, 'wb').write(bin)
+
+		elif fmt == 'yuv':
+			yuv = gzip.open(fname, 'rb').read()
+
+			for format in formats_yuv.values():
+				bin_fname = 'frame-%s-%s-%ux%u.bin' % (typ, format.name, res[0], res[1])
+				print 'Generating %s' % bin_fname
+				bin = format.convert(res[0], res[1], yuv)
+				file(bin_fname, 'wb').write(bin)
+
+			format = formats_yuv['uyvy']
+			bin_fname = 'histo-%s-%s-%ux%u.bin' % (typ, format.name, res[0], res[1])
+			print 'Generating %s' % bin_fname
+			bin = format.histogram(res[0], res[1], yuv)
+			file(bin_fname, 'wb').write(bin)
+
+			if typ == 'reference' and res[0] == 1024 and res[1] == 768:
+				for ninputs in xrange(1, 6):
+					bin_fname = 'frame-composed-%u-%s-%ux%u.bin' % (ninputs, format.name, res[0], res[1])
+					print 'Generating %s' % bin_fname
+					bin = format.compose(ninputs, res[0], res[1], yuv)
+					file(bin_fname, 'wb').write(bin)
+
+
+if __name__ == '__main__':
+	sys.exit(main(sys.argv))