mirror of
https://git.eden-emu.dev/eden-emu/eden
synced 2026-06-28 18:25:10 +02:00
377 lines
15 KiB
CMake
377 lines
15 KiB
CMake
# SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
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# SPDX-License-Identifier: GPL-3.0-or-later
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# SPDX-FileCopyrightText: 2021 yuzu Emulator Project
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# SPDX-License-Identifier: GPL-2.0-or-later
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# TODO(crueter, MaranBr): Externals FFmpeg 8.0
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set(FFmpeg_HWACCEL_LIBRARIES)
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set(FFmpeg_HWACCEL_FLAGS)
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set(FFmpeg_HWACCEL_INCLUDE_DIRS)
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set(FFmpeg_HWACCEL_LDFLAGS)
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if (NOT YUZU_USE_BUNDLED_FFMPEG)
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set(FFmpeg_CROSS_COMPILE_FLAGS "")
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if (ANDROID)
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# TODO: Maybe use CMAKE_SYSROOT? and probably provide a toolchain file for android
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# I mean isn't that the "proper" way anyways?
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string(TOLOWER "${CMAKE_HOST_SYSTEM_NAME}" FFmpeg_HOST_SYSTEM_NAME)
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set(TOOLCHAIN "${ANDROID_NDK}/toolchains/llvm/prebuilt/${FFmpeg_HOST_SYSTEM_NAME}-${CMAKE_HOST_SYSTEM_PROCESSOR}")
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set(SYSROOT "${TOOLCHAIN}/sysroot")
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set(FFmpeg_CPU "armv8-a")
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS
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--enable-cross-compile
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--arch=arm64
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#--cpu=${FFmpeg_CPU}
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--cross-prefix="${TOOLCHAIN}/bin/aarch64-linux-android-"
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--sysroot="${SYSROOT}"
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--target-os=android
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--extra-ldflags="--ld-path=${TOOLCHAIN}/bin/ld.lld"
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--extra-ldflags="-nostdlib"
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)
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set(FFmpeg_IS_CROSS_COMPILING TRUE)
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# User attempts to do a FFmpeg cross compilation because...
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# Here we just quickly test against host/system processors not matching
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# TODO: Test for versions not matching as well?
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elseif (NOT (CMAKE_HOST_SYSTEM_PROCESSOR MATCHES CMAKE_SYSTEM_PROCESSOR
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AND CMAKE_HOST_SYSTEM_NAME MATCHES CMAKE_SYSTEM_NAME))
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string(TOLOWER "${CMAKE_SYSTEM_NAME}" FFmpeg_SYSTEM_NAME)
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# All of these platforms are supported by ffmpeg as native build OSes
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# anything else (like Redox or Managarm or PS4) is NOT natively supported
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# hence, assume the "unix like" is just "none" for the sake of OUR sanity.
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# If YOUR OS/platform has actual native support:
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# 1. fucking congrats
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# 2. feel free to add it on the condition below
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if (NOT (PLATFORM_NETBSD OR PLATFORM_SUN OR PLATFORM_FREEBSD
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OR PLATFORM_OPENBSD OR PLATFORM_DRAGONFLYBSD OR PLATFORM_HAIKU
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OR PLATFORM_LINUX OR PLATFORM_MSYS OR WIN32 OR ANDROID OR APPLE))
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set(FFmpeg_SYSTEM_NAME "none")
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endif()
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# TODO: Can we really do better? Auto-detection? Something clever?
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS
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--enable-cross-compile
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--arch="${CMAKE_SYSTEM_PROCESSOR}"
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--target-os="${FFmpeg_SYSTEM_NAME}")
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if (PLATFORM_EMSCRIPTEN)
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# funniest trolling from emscripten, such a classic!
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# maybe I should PR so they use CMAKE_SYSROOT... y'know?
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS --sysroot="${EMSCRIPTEN_SYSROOT}")
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else()
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS --sysroot="${CMAKE_SYSROOT}")
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endif()
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if (DEFINED FFmpeg_CROSS_PREFIX)
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS --cross-prefix="${FFmpeg_CROSS_PREFIX}")
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else()
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message(WARNING "Please set FFmpeg_CROSS_PREFIX to your cross toolchain prefix, for example: ${CMAKE_STAGING_PREFIX}/bin/${CMAKE_SYSTEM_PROCESSOR}-${CMAKE_SYSTEM_NAME}")
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endif()
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set(FFmpeg_IS_CROSS_COMPILING TRUE)
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endif()
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endif()
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if (PLATFORM_PS4 OR PLATFORM_MANAGARM OR PLATFORM_EMSCRIPTEN)
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# Doesn't support VA-API, don't go thru the embarrassment of trying to enable it
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list(APPEND FFmpeg_HWACCEL_FLAGS --disable-vaapi)
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elseif (UNIX AND NOT DEFINED FFmpeg_IS_CROSS_COMPILING AND NOT ANDROID)
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find_package(PkgConfig REQUIRED)
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pkg_check_modules(LIBVA libva)
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pkg_check_modules(CUDA cuda)
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pkg_check_modules(FFNVCODEC ffnvcodec)
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pkg_check_modules(VDPAU vdpau)
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find_package(X11)
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if(X11_FOUND)
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if (NOT APPLE)
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# In Solaris needs explicit linking for ffmpeg which links to /lib/amd64/libX11.so
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if(PLATFORM_SUN)
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list(APPEND FFmpeg_HWACCEL_LIBRARIES
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X11
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"${CMAKE_SYSROOT}/usr/lib/xorg/amd64/libdrm.so")
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else()
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pkg_check_modules(LIBDRM libdrm REQUIRED)
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list(APPEND FFmpeg_HWACCEL_LIBRARIES
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${LIBDRM_LIBRARIES})
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list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS
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${LIBDRM_INCLUDE_DIRS})
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endif()
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list(APPEND FFmpeg_HWACCEL_FLAGS
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--enable-libdrm)
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endif()
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if(LIBVA_FOUND)
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pkg_check_modules(LIBVA-DRM libva-drm REQUIRED)
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pkg_check_modules(LIBVA-X11 libva-x11 REQUIRED)
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list(APPEND FFmpeg_HWACCEL_LIBRARIES
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${X11_LIBRARIES}
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${LIBVA-DRM_LIBRARIES}
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${LIBVA-X11_LIBRARIES}
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${LIBVA_LIBRARIES})
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list(APPEND FFmpeg_HWACCEL_FLAGS
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--enable-hwaccel=h264_vaapi
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--enable-hwaccel=vp8_vaapi
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--enable-hwaccel=vp9_vaapi)
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list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS
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${X11_INCLUDE_DIRS}
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${LIBVA-DRM_INCLUDE_DIRS}
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${LIBVA-X11_INCLUDE_DIRS}
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${LIBVA_INCLUDE_DIRS}
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)
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message(STATUS "ffmpeg: va-api libraries version ${LIBVA_VERSION} found")
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else()
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list(APPEND FFmpeg_HWACCEL_FLAGS --disable-vaapi)
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message(WARNING "ffmpeg: libva-dev not found, disabling Video Acceleration API (VA-API)...")
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endif()
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else()
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list(APPEND FFmpeg_HWACCEL_FLAGS --disable-vaapi)
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message(WARNING "ffmpeg: X11 libraries not found, disabling VA-API...")
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endif()
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if (FFNVCODEC_FOUND)
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list(APPEND FFmpeg_HWACCEL_FLAGS
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--enable-cuvid
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--enable-ffnvcodec
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--enable-nvdec
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--enable-hwaccel=h264_nvdec
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--enable-hwaccel=vp8_nvdec
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--enable-hwaccel=vp9_nvdec
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)
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list(APPEND FFmpeg_HWACCEL_LIBRARIES ${FFNVCODEC_LIBRARIES})
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list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${FFNVCODEC_INCLUDE_DIRS})
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list(APPEND FFmpeg_HWACCEL_LDFLAGS ${FFNVCODEC_LDFLAGS})
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message(STATUS "ffmpeg: ffnvcodec libraries version ${FFNVCODEC_VERSION} found")
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# ffnvenc could load CUDA libraries at the runtime using dlopen/dlsym or LoadLibrary/GetProcAddress
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# here we handle the hard-linking scenario where CUDA is linked during compilation
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if (CUDA_FOUND)
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# This line causes build error if CUDA_INCLUDE_DIRS is anything but a single non-empty value
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#list(APPEND FFmpeg_HWACCEL_FLAGS --extra-cflags=-I${CUDA_INCLUDE_DIRS})
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list(APPEND FFmpeg_HWACCEL_LIBRARIES ${CUDA_LIBRARIES})
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list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${CUDA_INCLUDE_DIRS})
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list(APPEND FFmpeg_HWACCEL_LDFLAGS ${CUDA_LDFLAGS})
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message(STATUS "ffmpeg: CUDA libraries version ${CUDA_VERSION} found, hard-linking will be performed")
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endif(CUDA_FOUND)
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endif()
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if (VDPAU_FOUND AND NOT APPLE)
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list(APPEND FFmpeg_HWACCEL_FLAGS
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--enable-vdpau
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--enable-hwaccel=h264_vdpau
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--enable-hwaccel=vp9_vdpau
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)
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list(APPEND FFmpeg_HWACCEL_LIBRARIES ${VDPAU_LIBRARIES})
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list(APPEND FFmpeg_HWACCEL_INCLUDE_DIRS ${VDPAU_INCLUDE_DIRS})
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list(APPEND FFmpeg_HWACCEL_LDFLAGS ${VDPAU_LDFLAGS})
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message(STATUS "ffmpeg: vdpau libraries version ${VDPAU_VERSION} found")
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else()
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list(APPEND FFmpeg_HWACCEL_FLAGS --disable-vdpau)
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message(WARNING "ffmpeg: libvdpau-dev not found, disabling Video Decode and Presentation API for Unix (VDPAU)...")
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endif()
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endif()
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if (PLATFORM_PS4)
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list(APPEND FFmpeg_CROSS_COMPILE_LIBS
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-lkernel
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-lSceUserService
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-lSceSysmodule
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-lSceNet
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-lSceLibcInternal)
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS
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--disable-pthreads
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--extra-cflags=${CMAKE_SYSROOT}/usr/include
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--extra-cxxflags=${CMAKE_SYSROOT}/usr/include
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--extra-libs="${FFmpeg_CROSS_COMPILE_LIBS}")
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elseif (PLATFORM_MANAGARM)
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# Required for proper stuff
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS
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--disable-pthreads
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--extra-libs="${FFmpeg_CROSS_COMPILE_LIBS}")
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endif()
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# Usually used by Emscripten
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if (DEFINED CMAKE_AR)
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS --ar=${CMAKE_AR})
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endif()
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if (DEFINED CMAKE_NM)
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS --nm=${CMAKE_NM})
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endif()
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if (DEFINED CMAKE_RANLIB)
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list(APPEND FFmpeg_CROSS_COMPILE_FLAGS --ranlib=${CMAKE_RANLIB})
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endif()
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if (YUZU_USE_BUNDLED_FFMPEG)
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AddJsonPackage(ffmpeg-ci)
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set(FFmpeg_INCLUDE_DIR
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"${FFmpeg_SOURCE_DIR}/include;${FFmpeg_HWACCEL_INCLUDE_DIRS}"
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PARENT_SCOPE
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)
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set(FFmpeg_PATH
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"${FFmpeg_SOURCE_DIR}"
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PARENT_SCOPE
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)
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set(FFmpeg_LIBRARY_DIR
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"${FFmpeg_SOURCE_DIR}/bin"
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PARENT_SCOPE
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)
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set(FFmpeg_LIBRARIES
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FFmpeg::FFmpeg
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${FFmpeg_HWACCEL_LIBRARIES}
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PARENT_SCOPE
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)
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else()
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# Build FFmpeg from externals
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message(STATUS "Using FFmpeg from externals")
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set(FFmpeg_LD ${CMAKE_LINKER})
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if (CMAKE_SYSTEM_PROCESSOR MATCHES "(x86_64|amd64)")
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# FFmpeg has source that requires one of nasm or yasm to assemble it.
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# REQUIRED throws an error if not found here during configuration rather than during compilation.
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find_program(ASSEMBLER NAMES nasm yasm)
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if ("${ASSEMBLER}" STREQUAL "ASSEMBLER-NOTFOUND")
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message(FATAL_ERROR "One of either `nasm` or `yasm` not found but is required.")
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endif()
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endif()
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if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten")
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# TODO: this is 100% redundant but we need it because CMAKE_LINKER can resolve to ld.lld
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# which is NOT compatible
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find_program(EMCC NAMES emcc REQUIRED)
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set(FFmpeg_LD ${EMCC})
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endif()
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find_program(AUTOCONF autoconf)
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if ("${AUTOCONF}" STREQUAL "AUTOCONF-NOTFOUND")
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message(FATAL_ERROR "Required program `autoconf` not found.")
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endif()
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AddJsonPackage(ffmpeg)
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set(FFmpeg_PREFIX ${ffmpeg_SOURCE_DIR})
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set(FFmpeg_BUILD_DIR ${ffmpeg_BINARY_DIR})
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set(FFmpeg_MAKEFILE ${FFmpeg_BUILD_DIR}/Makefile)
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make_directory(${FFmpeg_BUILD_DIR})
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# Read version string from external
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file(READ ${FFmpeg_PREFIX}/RELEASE FFmpeg_VERSION)
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set(FFmpeg_FOUND NO)
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if (NOT FFmpeg_VERSION STREQUAL "")
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set(FFmpeg_FOUND YES)
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endif()
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unset(FFmpeg_LIBRARIES CACHE)
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foreach(COMPONENT ${FFmpeg_COMPONENTS})
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set(FFmpeg_${COMPONENT}_PREFIX "${FFmpeg_BUILD_DIR}/lib${COMPONENT}")
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set(FFmpeg_${COMPONENT}_LIB_NAME "lib${COMPONENT}.a")
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set(FFmpeg_${COMPONENT}_LIBRARY "${FFmpeg_${COMPONENT}_PREFIX}/${FFmpeg_${COMPONENT}_LIB_NAME}")
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set(FFmpeg_LIBRARIES
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${FFmpeg_LIBRARIES}
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${FFmpeg_${COMPONENT}_LIBRARY}
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CACHE PATH "Paths to FFmpeg libraries" FORCE)
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endforeach()
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# Some SDKs (especially wasm) require us, actually, WANT us to use their "emconfigure"
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# otherwise they will cry a billion tears
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if (PLATFORM_EMSCRIPTEN)
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find_program(FFmpeg_CONFIGURE_WRAPPER emconfigure REQUIRED)
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else()
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find_program(FFmpeg_CONFIGURE_WRAPPER bash REQUIRED)
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endif()
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# `configure` parameters builds only exactly what yuzu needs from FFmpeg
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# `--disable-vdpau` is needed to avoid linking issues
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set(FFmpeg_CC ${CMAKE_C_COMPILER_LAUNCHER} ${CMAKE_C_COMPILER})
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set(FFmpeg_CXX ${CMAKE_CXX_COMPILER_LAUNCHER} ${CMAKE_CXX_COMPILER})
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add_custom_command(
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OUTPUT
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${FFmpeg_MAKEFILE}
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COMMAND
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${FFmpeg_CONFIGURE_WRAPPER} ${FFmpeg_PREFIX}/configure
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--disable-avdevice
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--disable-avformat
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--disable-doc
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--disable-everything
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--disable-ffmpeg
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--disable-ffprobe
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--disable-network
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--disable-swresample
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--disable-autodetect
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--disable-runtime-cpudetect
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--disable-debug
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--disable-programs
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--enable-decoder=h264
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--enable-decoder=vp8
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--enable-decoder=vp9
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--enable-filter=yadif,scale
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--enable-pic
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--cc=${FFmpeg_CC}
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--cxx=${FFmpeg_CXX}
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--ld=${FFmpeg_LD}
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--extra-cflags=${CMAKE_C_FLAGS}
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--extra-cxxflags=${CMAKE_CXX_FLAGS}
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--extra-ldflags=${CMAKE_C_LINK_FLAGS}
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${FFmpeg_HWACCEL_FLAGS}
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${FFmpeg_CROSS_COMPILE_FLAGS}
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WORKING_DIRECTORY
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${FFmpeg_BUILD_DIR}
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)
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unset(FFmpeg_CC)
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unset(FFmpeg_CXX)
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unset(FFmpeg_HWACCEL_FLAGS)
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unset(FFmpeg_CROSS_COMPILE_FLAGS)
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# Workaround for Ubuntu 18.04's older version of make not being able to call make as a child
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# with context of the jobserver. Also helps ninja users.
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cmake_host_system_information(RESULT SYSTEM_THREADS QUERY NUMBER_OF_LOGICAL_CORES)
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set(FFmpeg_BUILD_LIBRARIES ${FFmpeg_LIBRARIES})
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find_program(MAKE_PROGRAM NAMES gmake gnumake GNUmake)
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if (MAKE_PROGRAM_FOUND AND SYSTEM_THREADS GREATER 1)
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# This version of make (GNU's make) supports subprocess threading jobs
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set(FFmpeg_MAKE_ARGS -j${SYSTEM_THREADS})
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else()
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# No GNU make implies that this system may be highly non-GNU
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find_program(MAKE make required)
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set(FFmpeg_MAKE_ARGS "")
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endif()
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add_custom_command(
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OUTPUT
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${FFmpeg_BUILD_LIBRARIES}
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COMMAND
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${MAKE_PROGRAM} ${FFmpeg_MAKE_ARGS}
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WORKING_DIRECTORY
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${FFmpeg_BUILD_DIR}
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)
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set(FFmpeg_INCLUDE_DIR
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"${FFmpeg_PREFIX};${FFmpeg_BUILD_DIR};${FFmpeg_HWACCEL_INCLUDE_DIRS}"
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CACHE PATH "Path to FFmpeg headers" FORCE)
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set(FFmpeg_LDFLAGS
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"${FFmpeg_HWACCEL_LDFLAGS}"
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CACHE STRING "FFmpeg linker flags" FORCE)
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# ALL makes this custom target build every time
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# but it won't actually build if the DEPENDS parameter is up to date
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add_custom_target(ffmpeg-configure ALL DEPENDS ${FFmpeg_MAKEFILE})
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add_custom_target(ffmpeg-build ALL DEPENDS ${FFmpeg_BUILD_LIBRARIES} ffmpeg-configure)
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link_libraries(${FFmpeg_LIBVA_LIBRARIES})
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set(FFmpeg_LIBRARIES ${FFmpeg_BUILD_LIBRARIES} ${FFmpeg_HWACCEL_LIBRARIES}
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CACHE PATH "Paths to FFmpeg libraries" FORCE)
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unset(FFmpeg_BUILD_LIBRARIES)
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unset(FFmpeg_HWACCEL_FLAGS)
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unset(FFmpeg_HWACCEL_INCLUDE_DIRS)
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unset(FFmpeg_HWACCEL_LDFLAGS)
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unset(FFmpeg_HWACCEL_LIBRARIES)
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if (FFmpeg_FOUND)
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message(STATUS "Found FFmpeg version ${FFmpeg_VERSION}")
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else()
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message(FATAL_ERROR "FFmpeg not found")
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endif()
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endif()
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unset(FFmpeg_COMPONENTS)
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