vsp-lib: Use gen-image to generate frames at runtime

Replace the build time reference frames generation system by runtime
generation of the frames. This saves a lot of disk space and allows
tests to easily use new reference frames.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

15 files changed, 112 insertions, 394 deletions

diff --git a/README b/README
index f551b4d..fb6abb9 100644
--- a/README
+++ b/README
@@ -14,10 +14,10 @@ Building
 --------
 
 The vsp-tests suite requires the following tools to be installed on the host
-to generate the test script and test data.
+to generate the test scripts and applications
 
+* gcc
 * make
-* python
 
 After installing the needed packages, you can build the test suite by running
 
@@ -27,9 +27,8 @@ in the vsp-tests root directory. Then, to install the test suite, run
 
 	make install INSTALL_DIR=/path/to/target/directory
 
-This will copy the test scripts and data to the target directory to be copied
-or exported to the host. As test data take more than 200MB of disk space usage
-of nfsroot is recommended to run the tests.
+This will copy the test scripts and applications to the target directory to be
+copied or exported to the host.
 
 
 --------------------
diff --git a/data/frames/.gitignore b/data/frames/.gitignore
deleted file mode 100644
index a8a0dce..0000000
--- a/data/frames/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*.bin
diff --git a/data/frames/Makefile b/data/frames/Makefile
index 326e447..04ea2b2 100644
--- a/data/frames/Makefile
+++ b/data/frames/Makefile
@@ -1,9 +1,10 @@
 all:
-	@./gen-frames.py
 
 clean:
-	@rm *.bin
 
 install:
 	mkdir -p $(INSTALL_DIR)/frames/
-	cp frame-reference-*.bin $(INSTALL_DIR)/frames/
+	for frame in *.pnm.gz ; do
+		gzip -dk $(frame)
+		mv ${frame/.gz/} $(INSTALL_DIR)/frames/
+	done
diff --git a/data/frames/frame-reference-1024x768.pnm.gz b/data/frames/frame-reference-1024x768.pnm.gz
new file mode 100644
index 0000000..7c1a975
--- /dev/null
+++ b/data/frames/frame-reference-1024x768.pnm.gz
diff --git a/data/frames/frame-reference-1024x768.rgb.gz b/data/frames/frame-reference-1024x768.rgb.gz
deleted file mode 100644
index 480239c..0000000
--- a/data/frames/frame-reference-1024x768.rgb.gz
+++ /dev/null
diff --git a/data/frames/frame-reference-1024x768.yuv.gz b/data/frames/frame-reference-1024x768.yuv.gz
deleted file mode 100644
index 55d3e7a..0000000
--- a/data/frames/frame-reference-1024x768.yuv.gz
+++ /dev/null
diff --git a/data/frames/frame-reference-640x480.rgb.gz b/data/frames/frame-reference-640x480.rgb.gz
deleted file mode 100644
index 7c5bd16..0000000
--- a/data/frames/frame-reference-640x480.rgb.gz
+++ /dev/null
diff --git a/data/frames/frame-reference-640x480.yuv.gz b/data/frames/frame-reference-640x480.yuv.gz
deleted file mode 100644
index 3f27be3..0000000
--- a/data/frames/frame-reference-640x480.yuv.gz
+++ /dev/null
diff --git a/data/frames/frame-scaled-1024x768.rgb.gz b/data/frames/frame-scaled-1024x768.rgb.gz
deleted file mode 100644
index fba101d..0000000
--- a/data/frames/frame-scaled-1024x768.rgb.gz
+++ /dev/null
diff --git a/data/frames/frame-scaled-1024x768.yuv.gz b/data/frames/frame-scaled-1024x768.yuv.gz
deleted file mode 100644
index d3c3aae..0000000
--- a/data/frames/frame-scaled-1024x768.yuv.gz
+++ /dev/null
diff --git a/data/frames/frame-scaled-640x480.rgb.gz b/data/frames/frame-scaled-640x480.rgb.gz
deleted file mode 100644
index 08c1be8..0000000
--- a/data/frames/frame-scaled-640x480.rgb.gz
+++ /dev/null
diff --git a/data/frames/frame-scaled-640x480.yuv.gz b/data/frames/frame-scaled-640x480.yuv.gz
deleted file mode 100644
index 821919f..0000000
--- a/data/frames/frame-scaled-640x480.yuv.gz
+++ /dev/null
diff --git a/data/frames/gen-frames.py b/data/frames/gen-frames.py
deleted file mode 100755
index 4742793..0000000
--- a/data/frames/gen-frames.py
+++ /dev/null
@@ -1,350 +0,0 @@
-#!/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))
diff --git a/scripts/vsp-lib.sh b/scripts/vsp-lib.sh
index 6a59505..2c9e729 100755
--- a/scripts/vsp-lib.sh
+++ b/scripts/vsp-lib.sh
@@ -1,5 +1,6 @@
 #!/bin/sh
 
+genimage='./gen-image'
 mediactl='media-ctl'
 yavta='yavta'
 
@@ -38,6 +39,65 @@ vsp1_entity_get_size() {
 	      sed 's/.*\/\([0-9x]*\).*/\1/'
 }
 
+# -----------------------------------------------------------------------------
+# Referance frame generation
+#
+
+reference_frame() {
+	local file=$1
+	local reftype=$2
+	local format=$3
+	local size=$4
+
+	local alpha=
+	local options=
+
+	case $reftype in
+	reference | scaled)
+		;;
+	composed-*)
+		options="$options -c ${reftype/composed-/}"
+		;;
+	esac
+
+	case $format in
+	ARGB555)
+		alpha=255
+		;;
+	ABGR32 | ARGB32)
+		alpha=200
+		;;
+	XRGB555)
+		# XRGB555 has the X bit hardcoded to 0
+		alpha=0
+		;;
+	XBGR32 | XRGB32)
+		# The X bits are configurable with a default value of 255
+		alpha=255
+		;;
+	*)
+		alpha=255
+		;;
+	esac
+
+	$(format_v4l2_is_yuv $format) && options="$options -y"
+
+	$genimage -f $format -s $size -a $alpha $options -o $file \
+		frames/frame-reference-1024x768.pnm
+}
+
+reference_histogram() {
+	local file=$1
+	local format=$2
+	local size=$3
+
+	local yuv=
+	$(format_v4l2_is_yuv $format) && yuv="-y"
+
+	$genimage -f $format $yuv -s $size -H $file \
+		frames/frame-reference-1024x768.pnm
+}
+
 # ------------------------------------------------------------------------------
 # Image and histogram comparison
 #
@@ -108,35 +168,21 @@ compare_frames() {
 	fmt=$(echo $format | tr '[:upper:]' '[:lower:]')
 	size=$(vsp1_entity_get_size wpf.$wpf 1)
 
-	case $format in
-	ARGB555)
-		reference="frame-$reftype-$fmt-$size-alpha255.bin"
-		;;
-	ABGR32 | ARGB32)
-		reference="frame-$reftype-$fmt-$size-alpha200.bin"
-		;;
-	XRGB555)
-		# XRGB555 has the X bit hardcoded to 0
-		reference="frame-$reftype-$fmt-$size-alpha0.bin"
-		;;
-	XBGR32 | XRGB32)
-		# The X bits are configurable with a default value of 255
-		reference="frame-$reftype-$fmt-$size-alpha255.bin"
-		;;
-	*)
-		reference="frame-$reftype-$fmt-$size.bin"
-		;;
-	esac
+	reference_frame ref-frame.bin $reftype $format $size
 
 	result="pass"
 	for frame in frame-*.bin ; do
-		(compare_frame_$method $format $size $frame frames/$reference) || {
-			mv $frame ${0/.sh/}-${frame/.bin/-$reftype-$fmt-$size.bin} ;
+		(compare_frame_$method $format $size $frame ref-frame.bin) || {
+			mv $frame ${0/.sh/}-${frame/.bin/-$fmt-$size.bin} ;
 			result="fail"
 		}
 	done
 
-	rm -f frames/$reference
+	if [ $result = "fail" ] ; then
+		mv ref-frame.bin ${0/.sh/}-ref-frame-$fmt-$size.bin
+	else
+		rm -f ref-frame.bin
+	fi
 
 	echo $result
 }
@@ -163,16 +209,23 @@ compare_histograms() {
 
 	fmt=$(echo $format | tr '[:upper:]' '[:lower:]')
 	size=$(vsp1_entity_get_size wpf.$wpf 1)
-	reference="histo-reference-$fmt-$size.bin"
+
+	reference_histogram ref-histogram.bin $format $size
 
 	result="pass"
 	for histo in histo-*.bin ; do
-		(compare_histogram $histo frames/$reference) || {
+		(compare_histogram $histo ref-histogram.bin) || {
 			mv $histo ${0/.sh/}-${histo/.bin/-$fmt.bin} ;
 			result="fail"
 		}
 	done
 
+	if [ $result = "fail" ] ; then
+		mv ref-histogram.bin ${0/.sh/}-ref-histogram-$fmt.bin
+	else
+		rm -f ref-histogram.bin
+	fi
+
 	echo $result
 }
 
@@ -271,6 +324,11 @@ format_v4l2_to_mbus() {
 	esac
 }
 
+format_v4l2_is_yuv() {
+	local format=$(format_v4l2_to_mbus $1)
+	[ $format = 'AYUV32' ]
+}
+
 format_rpf() {
 	format=$(format_v4l2_to_mbus $1)
 	size=$2
diff --git a/scripts/vsp-runner.sh b/scripts/vsp-runner.sh
index e92eda1..6aa72a2 100755
--- a/scripts/vsp-runner.sh
+++ b/scripts/vsp-runner.sh
@@ -4,33 +4,41 @@ set -e
 
 source vsp-lib.sh
 
+genimage='./gen-image'
 mediactl='media-ctl'
 yavta='yavta'
 
-# ------------------------------------------------------------------------------
-# Format retrieval
+# -----------------------------------------------------------------------------
+# Input frame generation
 #
 
-frame_reference() {
-	format=$1
-	size=$2
+generate_input_frame() {
+	local file=$1
+	local format=$2
+	local size=$3
 
-	lcfmt=`echo $infmt | tr '[:upper:]' '[:lower:]'`
+	local alpha=
+	local options=
 
 	case $format in
 	ARGB555)
-		echo "frames/frame-reference-$lcfmt-$size-alpha255.bin"
+		alpha=255
 		;;
 	ABGR32 | ARGB32)
-		echo "frames/frame-reference-$lcfmt-$size-alpha200.bin"
+		alpha=200
 		;;
 	XRGB555 | XBGR32 | XRGB32)
-		echo "frames/frame-reference-$lcfmt-$size-alpha0.bin"
+		alpha=0
 		;;
 	*)
-		echo "frames/frame-reference-$lcfmt-$size.bin"
+		alpha=255
 		;;
 	esac
+
+	$(format_v4l2_is_yuv $format) && options="$options -y"
+
+	$genimage -f $format -s $size -a $alpha $options -o $file \
+		frames/frame-reference-1024x768.pnm
 }
 
 # ------------------------------------------------------------------------------
@@ -105,8 +113,9 @@ execute() {
 	input)
 		rpf=rpf.$index
 		size=$(vsp1_entity_get_size $rpf 0)
+		file=${rpf}.bin
 
-		file=$(frame_reference $infmt $size)
+		generate_input_frame $file $infmt $size
 
 		if [ "x$options" = xinfinite ] ; then
 			$yavta -c -n 4 -f $infmt -s $size --file=$file $options \
@@ -115,6 +124,8 @@ execute() {
 			$yavta -c10 -n 4 -f $infmt -s $size --file=$file $options \
 				`$mediactl -d $mdev -e "$dev $rpf input"`
 		fi
+
+		rm -f $file
 		;;
 
 	output)