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cmake: refactor ffmpeg searching and handling logic on Linux

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This commit is contained in:
liushuyu 2021-12-10 21:04:18 -07:00
parent 7276aaf907
commit ccc0a1e621
1 changed files with 15 additions and 16 deletions
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31
CMakeLists.txt
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@ -514,7 +514,7 @@ if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
endif()
if (NOT YUZU_USE_BUNDLED_FFMPEG)
# Use system installed FFmpeg
find_package(FFmpeg QUIET COMPONENTS ${FFmpeg_COMPONENTS})
find_package(FFmpeg 4.3 QUIET COMPONENTS ${FFmpeg_COMPONENTS})
if (FFmpeg_FOUND)
# Overwrite aggregate defines from FFmpeg module to avoid over-linking libraries.
@ -527,7 +527,7 @@ if (NOT YUZU_USE_BUNDLED_FFMPEG)
set(FFmpeg_INCLUDE_DIR ${FFmpeg_INCLUDE_DIR} ${FFmpeg_INCLUDE_${COMPONENT}} CACHE PATH "Path to FFmpeg headers" FORCE)
endforeach()
else()
message(WARNING "FFmpeg not found, falling back to externals")
message(WARNING "FFmpeg not found or too old, falling back to externals")
set(YUZU_USE_BUNDLED_FFMPEG ON)
endif()
endif()
@ -615,7 +615,7 @@ if (YUZU_USE_BUNDLED_FFMPEG)
set(FFmpeg_HWACCEL_FLAGS --disable-vaapi)
endif()
if (FFNVCODEC_FOUND AND CUDA_FOUND)
if (FFNVCODEC_FOUND)
list(APPEND FFmpeg_HWACCEL_FLAGS
--enable-cuvid
--enable-ffnvcodec
@ -623,21 +623,20 @@ if (YUZU_USE_BUNDLED_FFMPEG)
--enable-hwaccel=h264_nvdec
--enable-hwaccel=vp8_nvdec
--enable-hwaccel=vp9_nvdec
--extra-cflags=-I${CUDA_INCLUDE_DIRS}
)
list(APPEND FFmpeg_HWACCEL_LIBRARIES
${FFNVCODEC_LIBRARIES}
${CUDA_LIBRARIES}
)
list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS
${FFNVCODEC_INCLUDE_DIRS}
${CUDA_INCLUDE_DIRS}
)
list(APPEND FFmpeg_HWACCEL_LDFLAGS
${FFNVCODEC_LDFLAGS}
${CUDA_LDFLAGS}
)
list(APPEND FFmpeg_HWACCEL_LIBRARIES ${FFNVCODEC_LIBRARIES})
list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${FFNVCODEC_INCLUDE_DIRS})
list(APPEND FFmpeg_HWACCEL_LDFLAGS ${FFNVCODEC_LDFLAGS})
message(STATUS "ffnvcodec libraries version ${FFNVCODEC_VERSION} found")
# ffnvenc could load CUDA libraries at the runtime using dlopen/dlsym or LoadLibrary/GetProcAddress
# here we handle the hard-linking senario where CUDA is linked during compilation
if (CUDA_FOUND)
list(APPEND FFmpeg_HWACCEL_FLAGS --extra-cflags=-I${CUDA_INCLUDE_DIRS})
list(APPEND FFmpeg_HWACCEL_LIBRARIES ${CUDA_LIBRARIES})
list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${CUDA_INCLUDE_DIRS})
list(APPEND FFmpeg_HWACCEL_LDFLAGS ${CUDA_LDFLAGS})
message(STATUS "CUDA libraries found, hard-linking will be performed")
endif(CUDA_FOUND)
endif()
if (VDPAU_FOUND)