Files
archived-ext-ffmpeg-core/CMakeLists.txt
2025-12-12 17:40:14 +02:00

84 lines
3.1 KiB
CMake

if (NOT DEFINED FFMPEG_CORE_NAME)
set(FFMPEG_CORE_NAME ffmpeg)
endif()
add_library(${FFMPEG_CORE_NAME} INTERFACE)
target_include_directories(${FFMPEG_CORE_NAME} INTERFACE "${CMAKE_CURRENT_SOURCE_DIR}/include")
# Detect OS
if (WIN32 AND NOT MINGW)
set(FFMPEG_PREBUILTS_NAME "ffmpeg-windows")
elseif (APPLE)
set(FFMPEG_PREBUILTS_NAME "ffmpeg-macos")
elseif (UNIX)
set(FFMPEG_PREBUILTS_NAME "ffmpeg-linux")
elseif (MINGW)
set(FFMPEG_PREBUILTS_NAME "ffmpeg-mingw")
else ()
message(FATAL_ERROR "Unsupported OS.")
endif ()
# Detect Architecture
if(NOT DEFINED ARCHITECTURE)
message(FATAL_ERROR "ARCHITECTURE variable is not set up")
elseif (ARCHITECTURE STREQUAL "x86_64")
set(FFMPEG_PREBUILTS_NAME "${FFMPEG_PREBUILTS_NAME}-x64.zip")
elseif(ARCHITECTURE STREQUAL "arm64")
set(FFMPEG_PREBUILTS_NAME "${FFMPEG_PREBUILTS_NAME}-arm64.zip")
elseif(APPLE AND "x86_64" IN_LIST ARCHITECTURE AND "arm64" IN_LIST ARCHITECTURE) # macOS universal
set(FFMPEG_PREBUILTS_NAME "${FFMPEG_PREBUILTS_NAME}-universal.zip")
else ()
message(FATAL_ERROR "Unsupported architecture.")
endif()
# Compute current short git commit SHA
execute_process(
COMMAND git rev-parse --short HEAD
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
OUTPUT_VARIABLE FFMPEG_GIT_SHA
OUTPUT_STRIP_TRAILING_WHITESPACE)
# Download prebuilt ffmpeg
set(FFMPEG_ZIP_PATH "${CMAKE_BINARY_DIR}/externals/ffmpeg-${FFMPEG_GIT_SHA}.zip")
if(NOT EXISTS "${FFMPEG_ZIP_PATH}")
message(STATUS "Downloading FFMPEG prebuilts...")
file(DOWNLOAD https://github.com/shadps4-emu/ext-ffmpeg-core/releases/download/${FFMPEG_GIT_SHA}/${FFMPEG_PREBUILTS_NAME}
"${FFMPEG_ZIP_PATH}" SHOW_PROGRESS
STATUS FILE_STATUS)
list(GET FILE_STATUS 0 STATUS_CODE)
if (NOT STATUS_CODE EQUAL 0)
file(REMOVE "${FFMPEG_ZIP_PATH}") # CMake create 0 byte file even if URL is invalid. So need to delete it.
message(FATAL_ERROR "No FFMPEG prebuilt found with corresponding commit SHA (${FFMPEG_GIT_SHA})")
endif()
endif()
set(FFMPEG_LIB_PATH "${CMAKE_BINARY_DIR}/externals/ffmpeg-${FFMPEG_GIT_SHA}/lib")
if(NOT EXISTS "${FFMPEG_LIB_PATH}")
file(MAKE_DIRECTORY "${FFMPEG_LIB_PATH}")
execute_process(COMMAND ${CMAKE_COMMAND} -E tar xzf "${FFMPEG_ZIP_PATH}"
WORKING_DIRECTORY "${FFMPEG_LIB_PATH}")
endif()
set(LIB_PREFIX "lib")
set(LIB_EXT "a")
if (WIN32 AND NOT MINGW)
set(LIB_PREFIX "")
set(LIB_EXT "lib")
target_link_libraries(${FFMPEG_CORE_NAME} INTERFACE
"psapi;strmiids;uuid;oleaut32;shlwapi;ws2_32;ole32;user32;bcrypt")
elseif (APPLE)
target_link_libraries(${FFMPEG_CORE_NAME} INTERFACE
"-framework CoreServices" "-framework CoreFoundation" "-framework AudioUnit"
"-framework AudioToolbox" "-framework CoreAudio" "-framework CoreMedia"
"-framework VideoToolbox" "-framework CoreVideo" "-framework Security")
endif ()
target_link_libraries(${FFMPEG_CORE_NAME} INTERFACE
"${FFMPEG_LIB_PATH}/${LIB_PREFIX}avformat.${LIB_EXT}"
"${FFMPEG_LIB_PATH}/${LIB_PREFIX}avcodec.${LIB_EXT}"
"${FFMPEG_LIB_PATH}/${LIB_PREFIX}swscale.${LIB_EXT}"
"${FFMPEG_LIB_PATH}/${LIB_PREFIX}avutil.${LIB_EXT}"
"${FFMPEG_LIB_PATH}/${LIB_PREFIX}avfilter.${LIB_EXT}"
"${FFMPEG_LIB_PATH}/${LIB_PREFIX}swresample.${LIB_EXT}")