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Introduce a test tool anim_diff.

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It can be used to test if given pair of animated images (GIF and/or
WebP) are identical in terms of pixel match and other animation
properties.

Change-Id: I84adea145e9d062be6ad06a0d4fcdc9658cf52d4
This commit is contained in:
Urvang Joshi
2015-05-01 16:11:49 -07:00
parent 9e00a499a6
commit acd7b5af0f
7 changed files with 1183 additions and 37 deletions
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48
makefile.unix
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@ -62,14 +62,19 @@ EXTRA_FLAGS += -DWEBP_USE_THREAD
EXTRA_LIBS += -lpthread
# Extra flags to emulate C89 strictness with the full ANSI
EXTRA_FLAGS += -Wextra -Wold-style-definition
EXTRA_FLAGS += -Wmissing-prototypes
EXTRA_FLAGS += -Wmissing-declarations
EXTRA_FLAGS += -Wdeclaration-after-statement
EXTRA_FLAGS += -Wshadow
EXTRA_FLAGS += -Wformat-security -Wformat-nonliteral
EXTRA_C89_FLAGS = -Wextra -Wold-style-definition
EXTRA_C89_FLAGS += -Wmissing-prototypes
EXTRA_C89_FLAGS += -Wmissing-declarations
EXTRA_C89_FLAGS += -Wdeclaration-after-statement
EXTRA_C89_FLAGS += -Wshadow
EXTRA_C89_FLAGS += -Wformat-security -Wformat-nonliteral
# EXTRA_C89_FLAGS += -Wvla
# EXTRA_FLAGS += -Wvla
EXTRA_CXX_FLAGS = -Wextra
EXTRA_CXX_FLAGS += -Wmissing-declarations
EXTRA_CXX_FLAGS += -Wshadow
EXTRA_CXX_FLAGS += -Wformat-security -Wformat-nonliteral
# EXTRA_CXX_FLAGS += -Wvla
# SSE4.1-specific flags:
ifeq ($(HAVE_SSE41), 1)
@ -91,14 +96,20 @@ endif
AR = ar
ARFLAGS = r
CC = gcc
CPPFLAGS = -Isrc/ -Wall
CFLAGS = -O3 -DNDEBUG $(EXTRA_FLAGS)
COMMONFLAGS = -O3 -DNDEBUG $(EXTRA_FLAGS)
CC = gcc
CFLAGS = $(COMMONFLAGS) $(EXTRA_C89_FLAGS)
CXX = g++
CXXFLAGS = $(COMMONFLAGS) $(EXTRA_CXX_FLAGS)
INSTALL = install
GROFF = /usr/bin/groff
COL = /usr/bin/col
LDFLAGS = $(EXTRA_LIBS) $(EXTRA_FLAGS) -lm
ANIM_UTIL_OBJS = \
examples/anim_util.o \
DEC_OBJS = \
src/dec/alpha.o \
src/dec/buffer.o \
@ -282,16 +293,17 @@ OUT_LIBS = examples/libexample_util.a src/libwebpdecoder.a src/libwebp.a
EXTRA_LIB = src/libwebpextras.a
OUT_EXAMPLES = examples/cwebp examples/dwebp
EXTRA_EXAMPLES = examples/gif2webp examples/vwebp examples/webpmux
EXTRA_CXX_EXAMPLES = examples/anim_diff
OUTPUT = $(OUT_LIBS) $(OUT_EXAMPLES)
ifeq ($(MAKECMDGOALS),clean)
OUTPUT += $(EXTRA_EXAMPLES)
OUTPUT += $(EXTRA_EXAMPLES) $(EXTRA_CXX_EXAMPLES)
OUTPUT += src/demux/libwebpdemux.a src/mux/libwebpmux.a $(EXTRA_LIB)
OUTPUT += examples/libgifdec.a
OUTPUT += examples/libgifdec.a examples/libanim_util.a
endif
ex: $(OUT_EXAMPLES)
all: ex $(EXTRA_EXAMPLES)
all: ex $(EXTRA_EXAMPLES) $(EXTRA_CXX_EXAMPLES)
extras: $(EXTRA_LIB)
$(EX_FORMAT_DEC_OBJS): %.o: %.h
@ -307,6 +319,10 @@ src/utils/bit_writer.o: src/utils/endian_inl.h
%.o: %.c $(HDRS)
$(CC) $(CFLAGS) $(CPPFLAGS) -c $< -o $@
%.o: %.cc $(HDRS)
$(CXX) $(CXXFLAGS) $(CPPFLAGS) -c $< -o $@
examples/libanim_util.a: $(ANIM_UTIL_OBJS)
examples/libexample_util.a: $(EX_UTIL_OBJS)
examples/libgifdec.a: $(GIFDEC_OBJS)
src/libwebpdecoder.a: $(LIBWEBPDECODER_OBJS)
@ -318,12 +334,17 @@ src/libwebpextras.a: $(LIBWEBPEXTRA_OBJS)
%.a:
$(AR) $(ARFLAGS) $@ $^
examples/anim_diff: examples/anim_diff.o $(ANIM_UTIL_OBJS) $(GIFDEC_OBJS)
examples/cwebp: examples/cwebp.o $(EX_FORMAT_DEC_OBJS)
examples/dwebp: examples/dwebp.o
examples/gif2webp: examples/gif2webp.o $(GIFDEC_OBJS)
examples/vwebp: examples/vwebp.o
examples/webpmux: examples/webpmux.o
examples/anim_diff: examples/libanim_util.a examples/libgifdec.a
examples/anim_diff: src/demux/libwebpdemux.a src/libwebp.a
examples/anim_diff: EXTRA_LIBS += $(GIF_LIBS)
examples/anim_diff: EXTRA_FLAGS += -DWEBP_HAVE_GIF
examples/cwebp: examples/libexample_util.a src/libwebp.a
examples/cwebp: EXTRA_LIBS += $(CWEBP_LIBS)
examples/dwebp: examples/libexample_util.a src/libwebpdecoder.a
@ -342,6 +363,9 @@ examples/webpmux: src/libwebpdecoder.a
$(OUT_EXAMPLES) $(EXTRA_EXAMPLES):
$(CC) -o $@ $^ $(LDFLAGS)
$(EXTRA_CXX_EXAMPLES):
$(CXX) -o $@ $^ $(LDFLAGS)
dist: DESTDIR := dist
dist: OUT_EXAMPLES += $(EXTRA_EXAMPLES)
dist: all