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libwebp/CMakeLists.txt
Pascal Massimino 03f40955a3 img2webp: convert a sequence of images to an animated webp 
Usage:

  img2webp [file-level options] [image files...] [per-frame options...]

File-level options (only used at the start of compression):
 -min_size ............ minimize size
 -loop <int> .......... loop count (default: 0, = infinite loop)
 -kmax <int> .......... maximum number of frame between key-frames
                        (0=only keyframes)
 -kmin <int> .......... minimum number of frame between key-frames
                        (0=disable key-frames altogether)
 -mixed ............... use mixed lossy/lossless automatic mode
 -v ................... verbose mode
 -h ................... this help

Per-frame options (only used for subsequent images input):
 -d <int> ............. frame duration in ms (default: 100)
 -lossless  ........... use lossless mode (default)
 -lossy ... ........... use lossy mode
 -q <float> ........... quality
 -m <int> ............. method to use

example: img2webp -loop 2 in0.png -lossy in1.jpg
                  -d 80 in2.tiff -o out.webp

Change-Id: I23771b90eaf0660f420d7ffd304e704155386286
2016-12-02 11:44:17 +01:00

190 lines
6.6 KiB
CMake
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cmake_minimum_required(VERSION 2.8.7)
project(libwebp C)
# Options for coder / decoder executables.
option(WEBP_BUILD_CWEBP "Build the cwebp command line tool." OFF)
option(WEBP_BUILD_DWEBP "Build the dwebp command line tool." OFF)
option(WEBP_BUILD_GIF2WEBP "Build the gif2webp conversion tool." OFF)
option(WEBP_BUILD_IMG2WEBP "Build the img2webp animation tool." OFF)
option(WEBP_EXPERIMENTAL_FEATURES "Build with experimental features." OFF)
option(WEBP_ENABLE_SWAP_16BIT_CSP "Enable byte swap for 16 bit colorspaces." OFF)
set(WEBP_DEP_LIBRARIES)
set(WEBP_DEP_INCLUDE_DIRS)
if(NOT CMAKE_BUILD_TYPE)
set(CMAKE_BUILD_TYPE "Release" CACHE
"Build type: Release, Debug or RelWithDebInfo" STRING FORCE
)
endif()
include(cmake/config.h.cmake)
################################################################################
# Options.
if(WEBP_ENABLE_SWAP_16BIT_CSP)
add_definitions(-DWEBP_SWAP_16BIT_CSP)
endif()
################################################################################
# Android only.
if(ANDROID)
include_directories(${ANDROID_NDK}/sources/android/cpufeatures)
add_library(cpufeatures STATIC
${ANDROID_NDK}/sources/android/cpufeatures/cpu-features.c
)
target_link_libraries(cpufeatures dl)
set(WEBP_DEP_LIBRARIES ${WEBP_DEP_LIBRARIES} cpufeatures)
set(WEBP_DEP_INCLUDE_DIRS ${WEBP_DEP_INCLUDE_DIRS}
${ANDROID_NDK}/sources/android/cpufeatures
)
endif()
################################################################################
# WebP source files.
# Read the Makefile.am to get the source files.
function(parse_Makefile_am FOLDER VAR)
file(READ ${FOLDER}/Makefile.am MAKEFILE_AM)
string(REGEX MATCHALL "_SOURCES \\+= [^\n]*"
FILES_PER_LINE ${MAKEFILE_AM}
)
set(SRCS ${${VAR}})
foreach(FILES ${FILES_PER_LINE})
string(SUBSTRING ${FILES} 12 -1 FILES)
string(REGEX MATCHALL "[0-9a-z\\._]+"
FILES ${FILES}
)
foreach(FILE ${FILES})
list(APPEND SRCS ${FOLDER}/${FILE})
endforeach()
endforeach()
set(${VAR} ${SRCS} PARENT_SCOPE)
endfunction()
set(WEBP_SRCS)
parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/src/dec "WEBP_SRCS")
parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/src/demux "WEBP_SRCS")
parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/src/dsp "WEBP_SRCS")
parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/src/enc "WEBP_SRCS")
parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/src/utils "WEBP_SRCS")
# Remove the files specific to SIMD we don't use.
foreach(FILE ${WEBP_SIMD_FILES_NOT_TO_INCLUDE})
list(REMOVE_ITEM WEBP_SRCS ${FILE})
endforeach()
# Build the library.
add_definitions(-Wall)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src/ ${WEBP_DEP_INCLUDE_DIRS})
add_library(webp ${WEBP_SRCS})
target_link_libraries(webp ${WEBP_DEP_LIBRARIES})
# Change the compile flags for SIMD files we use.
list(LENGTH WEBP_SIMD_FILES_TO_INCLUDE WEBP_SIMD_FILES_TO_INCLUDE_LENGTH)
math(EXPR WEBP_SIMD_FILES_TO_INCLUDE_RANGE
"${WEBP_SIMD_FILES_TO_INCLUDE_LENGTH}-1"
)
foreach(I_FILE RANGE ${WEBP_SIMD_FILES_TO_INCLUDE_RANGE})
list(GET WEBP_SIMD_FILES_TO_INCLUDE ${I_FILE} FILE)
list(GET WEBP_SIMD_FLAGS_TO_INCLUDE ${I_FILE} SIMD_COMPILE_FLAG)
set_source_files_properties(${FILE} PROPERTIES
COMPILE_FLAGS ${SIMD_COMPILE_FLAG}
)
endforeach()
# Build the executables if asked for.
if(WEBP_BUILD_CWEBP OR WEBP_BUILD_DWEBP OR
WEBP_BUILD_GIF2WEBP OR WEBP_BUILD_IMG2WEBP)
# Example utility library.
set(exampleutil_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/examples/stopwatch.h
${CMAKE_CURRENT_SOURCE_DIR}/examples/example_util.c
${CMAKE_CURRENT_SOURCE_DIR}/examples/example_util.h)
add_library(exampleutil ${exampleutil_SRCS})
target_link_libraries(exampleutil webp ${WEBP_DEP_LIBRARIES})
set(imageioutil_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/imageio/imageio_util.c
${CMAKE_CURRENT_SOURCE_DIR}/imageio/imageio_util.h)
add_library(imageioutil ${imageioutil_SRCS})
target_link_libraries(imageioutil ${WEBP_DEP_LIBRARIES})
# Image-decoding utility library.
set(imagedec_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/examples/gifdec.c
${CMAKE_CURRENT_SOURCE_DIR}/examples/gifdec.h
${CMAKE_CURRENT_SOURCE_DIR}/imageio/image_dec.c
${CMAKE_CURRENT_SOURCE_DIR}/imageio/image_dec.h
${CMAKE_CURRENT_SOURCE_DIR}/imageio/jpegdec.c
${CMAKE_CURRENT_SOURCE_DIR}/imageio/jpegdec.h
${CMAKE_CURRENT_SOURCE_DIR}/imageio/metadata.c
${CMAKE_CURRENT_SOURCE_DIR}/imageio/metadata.h
${CMAKE_CURRENT_SOURCE_DIR}/imageio/pngdec.c
${CMAKE_CURRENT_SOURCE_DIR}/imageio/pngdec.h
${CMAKE_CURRENT_SOURCE_DIR}/imageio/tiffdec.c
${CMAKE_CURRENT_SOURCE_DIR}/imageio/tiffdec.h
${CMAKE_CURRENT_SOURCE_DIR}/imageio/webpdec.c
${CMAKE_CURRENT_SOURCE_DIR}/imageio/webpdec.h
${CMAKE_CURRENT_SOURCE_DIR}/imageio/wicdec.c
${CMAKE_CURRENT_SOURCE_DIR}/imageio/wicdec.h)
add_library(imagedec ${imagedec_SRCS})
target_link_libraries(imagedec webp ${WEBP_DEP_LIBRARIES}
${WEBP_DEP_IMG_LIBRARIES})
# Image-encoding utility library.
set(imageenc_SRCS
${CMAKE_CURRENT_SOURCE_DIR}/imageio/image_enc.c
${CMAKE_CURRENT_SOURCE_DIR}/imageio/image_enc.h)
add_library(imageenc ${imageenc_SRCS})
target_link_libraries(imageenc webp imageioutil
${WEBP_DEP_LIBRARIES} ${WEBP_DEP_IMG_LIBRARIES})
endif()
if(WEBP_BUILD_DWEBP)
# dwebp
include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS})
add_executable(dwebp
${CMAKE_CURRENT_SOURCE_DIR}/examples/dwebp.c
${CMAKE_CURRENT_SOURCE_DIR}/examples/stopwatch.h)
target_link_libraries(dwebp imagedec imageenc webp
exampleutil imageioutil
${WEBP_DEP_LIBRARIES} ${WEBP_DEP_IMG_LIBRARIES}
)
endif()
if(WEBP_BUILD_CWEBP)
# cwebp
include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS})
add_executable(cwebp
${CMAKE_CURRENT_SOURCE_DIR}/examples/cwebp.c
${CMAKE_CURRENT_SOURCE_DIR}/examples/stopwatch.h)
target_link_libraries(cwebp imagedec webp exampleutil imageioutil
${WEBP_DEP_LIBRARIES} ${WEBP_DEP_IMG_LIBRARIES}
)
endif()
if(WEBP_BUILD_GIF2WEBP)
# gif2webp
include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS})
set(GIF2WEBP_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/examples/gif2webp.c)
parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/src/mux "GIF2WEBP_SRCS")
add_executable(gif2webp ${GIF2WEBP_SRCS})
target_link_libraries(gif2webp imagedec webp exampleutil imageioutil
${WEBP_DEP_LIBRARIES} ${WEBP_DEP_IMG_LIBRARIES}
)
endif()
if(WEBP_BUILD_IMG2WEBP)
# img2webp
include_directories(${WEBP_DEP_IMG_INCLUDE_DIRS})
set(IMG2WEBP_SRCS ${CMAKE_CURRENT_SOURCE_DIR}/examples/img2webp.c)
parse_Makefile_am(${CMAKE_CURRENT_SOURCE_DIR}/src/mux "IMG2WEBP_SRCS")
add_executable(img2webp ${IMG2WEBP_SRCS})
target_link_libraries(img2webp imagedec webp exampleutil imageioutil
${WEBP_DEP_LIBRARIES} ${WEBP_DEP_IMG_LIBRARIES}
)
endif()
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