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cmake: fix hardware decoders, probably

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itsmattkc committed 2026-01-16 10:19:33 -08:00
1 parent cca4c50e8f
commit 07e04a8791
1 file changed
+46 -18
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gui/CMakeLists.txt
+46 -18
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@@ -7,6 +7,9 @@ set(_ffmpeg_components avformat avcodec avutil swscale)
function(compile_ffmpeg _target_name _system_name _system_processor)
set(FFMPEG_PREFIX_DIR "${CMAKE_CURRENT_BINARY_DIR}/FFmpeg-${_system_name}-${_system_processor}")
set(FFMPEG_INSTALL_DIR "${FFMPEG_PREFIX_DIR}/install")
set(FFMPEG_CFLAGS "${CMAKE_C_FLAGS}")
set(FFMPEG_LDFLAGS "${CMAKE_C_FLAGS} ${CMAKE_SHARED_LINKER_FLAGS}")
set(FFMPEG_ENV "")
set(FFMPEG_CONFIGURE_ARGS
--enable-gpl
--disable-all
@@ -20,11 +23,43 @@ function(compile_ffmpeg _target_name _system_name _system_processor)
--enable-avcodec
--enable-avutil
--enable-swscale
--enable-parser=h264
--enable-bsf=h264_mp4toannexb
--enable-bsf=h264_redundant_pps
--enable-bsf=h264_metadata
--disable-vdpau # We have no pathway to display for VDPAU at this time
)
# Add hardware accelerators
if(LINUX)
ExternalProject_Add(nvcodec_headers
GIT_REPOSITORY https://github.com/FFmpeg/nv-codec-headers.git
GIT_TAG master
UPDATE_DISCONNECTED 1
CONFIGURE_COMMAND ""
BUILD_COMMAND $(MAKE)
INSTALL_COMMAND $(MAKE) PREFIX=${FFMPEG_INSTALL_DIR} install
BUILD_IN_SOURCE 1
)
list(APPEND FFMPEG_ENV "PKG_CONFIG_PATH=${FFMPEG_INSTALL_DIR}/lib/pkgconfig")
list(APPEND FFMPEG_CONFIGURE_ARGS
# Enable VAAPI
--enable-hwaccel=h264_vaapi
# Enable NVDEC
--enable-nvdec
--enable-hwaccel=h264_nvdec
# Enable v4l2m2m
--enable-decoder=h264_v4l2m2m
)
endif()
if (NOT "${CMAKE_HOST_SYSTEM_PROCESSOR}" STREQUAL "${_system_processor}"
OR NOT "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "${_system_name}")
set(FFMPEG_TARGET_OS ${_system_name})
set(FFMPEG_ENV "")
if (MINGW)
set(FFMPEG_TARGET_OS "mingw32")
list(APPEND FFMPEG_CONFIGURE_ARGS
@@ -35,8 +70,8 @@ function(compile_ffmpeg _target_name _system_name _system_processor)
set(FFMPEG_TARGET_OS "win32")
elseif(APPLE)
set(FFMPEG_TARGET_OS "darwin")
set(FFMPEG_LDFLAGS "${CMAKE_C_FLAGS} -arch ${_system_processor} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET} -L${CMAKE_OSX_SYSROOT}/usr/lib -lSystem")
set(FFMPEG_CFLAGS "${CMAKE_C_FLAGS} -arch ${_system_processor} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET} -w -I${CMAKE_OSX_SYSROOT}/usr/include")
set(FFMPEG_LDFLAGS "${FFMPEG_LDFLAGS} -arch ${_system_processor} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET} -L${CMAKE_OSX_SYSROOT}/usr/lib -lSystem")
set(FFMPEG_CFLAGS "${FFMPEG_CFLAGS} -arch ${_system_processor} -mmacosx-version-min=${CMAKE_OSX_DEPLOYMENT_TARGET} -w -I${CMAKE_OSX_SYSROOT}/usr/include")
list(APPEND FFMPEG_CONFIGURE_ARGS
--disable-asm
--nm=${CMAKE_NM}
@@ -48,9 +83,6 @@ function(compile_ffmpeg _target_name _system_name _system_processor)
--strip=${CMAKE_STRIP}
--host-cc=${CMAKE_C_COMPILER}
--host-ld=${CMAKE_C_COMPILER}
--extra-cflags=${FFMPEG_CFLAGS}
--extra-cxxflags=${FFMPEG_CFLAGS}
--extra-ldflags=${FFMPEG_LDFLAGS}
)
elseif(ANDROID)
set(FFMPEG_TARGET_OS "android")
@@ -77,8 +109,6 @@ function(compile_ffmpeg _target_name _system_name _system_processor)
--cross-prefix=${_android_ffmpeg_cross_prefix}
--host-cc=${_android_ffmpeg_cross_prefix}clang
--host-ld=${_android_ffmpeg_cross_prefix}clang
--extra-cflags=${CMAKE_C_FLAGS}
--extra-ldflags=${CMAKE_SHARED_LINKER_FLAGS} # CMAKE_STATIC_LINKER_FLAGS is technically more appropriate but it's empty for some reason
--sysroot=${CMAKE_ANDROID_NDK}/toolchains/llvm/prebuilt/linux-${CMAKE_HOST_SYSTEM_PROCESSOR}/sysroot
--ar=${CMAKE_ANDROID_NDK}/toolchains/llvm/prebuilt/linux-${CMAKE_HOST_SYSTEM_PROCESSOR}/bin/llvm-ar
--ranlib=${CMAKE_ANDROID_NDK}/toolchains/llvm/prebuilt/linux-${CMAKE_HOST_SYSTEM_PROCESSOR}/bin/llvm-ranlib
@@ -96,16 +126,7 @@ function(compile_ffmpeg _target_name _system_name _system_processor)
--ranlib=${CMAKE_RANLIB}
--cross-prefix=${_system_processor}-linux-gnu-
--host-cc=${CMAKE_C_COMPILER}
--extra-cflags=${CMAKE_C_FLAGS}
--extra-ldflags=${CMAKE_SHARED_LINKER_FLAGS}
)
if (NOT "${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "arm")
list(APPEND FFMPEG_CONFIGURE_ARGS
--enable-vaapi
--enable-nvdec
--enable-v4l2-m2m
)
endif()
endif()
list(APPEND FFMPEG_CONFIGURE_ARGS
--enable-cross-compile
@@ -134,11 +155,18 @@ function(compile_ffmpeg _target_name _system_name _system_processor)
list(APPEND FFMPEG_FILES ${FFMPEG_INCLUDE_DIR})
include_directories(${FFMPEG_INCLUDE_DIR})
list(APPEND FFMPEG_CONFIGURE_ARGS
--extra-cflags=${FFMPEG_CFLAGS}
--extra-cxxflags=${FFMPEG_CFLAGS}
--extra-ldflags=${FFMPEG_LDFLAGS}
)
ExternalProject_Add(${_target_name}
DOWNLOAD_DIR ${CMAKE_CURRENT_BINARY_DIR}
PREFIX ${FFMPEG_PREFIX_DIR}
GIT_REPOSITORY https://git.ffmpeg.org/ffmpeg.git
GIT_TAG n7.1
DEPENDS nvcodec_headers
CONFIGURE_COMMAND ${CMAKE_COMMAND} -E env ${FFMPEG_ENV} "../${_target_name}/configure" ${FFMPEG_CONFIGURE_ARGS}
BUILD_COMMAND ${CMAKE_COMMAND} -E env ${FFMPEG_ENV} make -j${CMAKE_BUILD_PARALLEL_LEVEL}
UPDATE_COMMAND ""
@@ -381,7 +409,7 @@ if (DRM_FOUND)
endif()
if (CUDAToolkit_FOUND)
target_link_libraries(vanilla PRIVATE CUDA::cudart_static vdpau)
target_link_libraries(vanilla PRIVATE CUDA::cudart_static)
target_compile_definitions(vanilla PRIVATE VANILLA_CUDA_AVAILABLE)
endif()