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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,81 @@ | ||
| cmake_minimum_required(VERSION 3.12) | ||
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| project(pynvbufsurfacegenerator VERSION "0.0.1" LANGUAGES CXX CUDA) | ||
|
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| set(python_module_name pynvbufsurfacegenerator) | ||
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| set(CMAKE_CXX_STANDARD 14) | ||
| set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined" ) | ||
| set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined" ) | ||
|
|
||
| if(NOT CMAKE_BUILD_TYPE) | ||
| set(CMAKE_BUILD_TYPE Release) | ||
| endif() | ||
|
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| set(CMAKE_CXX_FLAGS "-O3") | ||
| set(CMAKE_CXX_FLAGS_RELEASE "-O3") | ||
|
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| find_package(PkgConfig REQUIRED) | ||
| find_package(CUDA REQUIRED) | ||
| find_package(Python3 COMPONENTS Interpreter Development REQUIRED) | ||
| find_package(pybind11 CONFIG REQUIRED) | ||
|
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||
| if(NOT DEFINED DeepStream_DIR) | ||
| set(DeepStream_DIR /opt/nvidia/deepstream/deepstream) | ||
| endif() | ||
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| pkg_check_modules(GLIB REQUIRED glib-2.0) | ||
| pkg_check_modules(GSTREAMER REQUIRED gstreamer-1.0) | ||
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| include_directories( | ||
| ${Python3_INCLUDE_DIRS} | ||
| ${GLIB_INCLUDE_DIRS} | ||
| ${GSTREAMER_INCLUDE_DIRS} | ||
| ${CUDA_INCLUDE_DIRS} | ||
| ${DeepStream_DIR}/sources/includes | ||
| ${CMAKE_SOURCE_DIR}/nvbufsurfacegenerator/include | ||
| ${CMAKE_SOURCE_DIR}/pynvbufsurfacegenerator | ||
| ) | ||
|
|
||
| link_directories( | ||
| ${Python3_LIBRARY_DIRS} | ||
| ${GLIB_LIBRARY_DIRS} | ||
| ${GSTREAMER_LIBRARY_DIRS} | ||
| ${CUDA_LIBRARY_DIRS} | ||
| ${DeepStream_DIR}/lib | ||
| ) | ||
|
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| add_subdirectory(nvbufsurfacegenerator ../build/nvbufsurfacegenerator) | ||
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| set(SOURCE_FILES | ||
| "nvbufsurfacegenerator/src/nvbufsurface_generator.cpp" | ||
| ) | ||
| set(HEADER_FILES | ||
| "nvbufsurfacegenerator/include/nvbufsurface_generator.h" | ||
| ) | ||
|
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| file (GLOB PYTHON_FILES "pynvbufsurfacegenerator/*.cpp" "pynvbufsurfacegenerator/*.h") | ||
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| source_group(TREE ${CMAKE_CURRENT_SOURCE_DIR} FILES ${SOURCE_FILES} ${HEADER_FILES} ${PYTHON_FILES} ) | ||
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| pybind11_add_module(${python_module_name} SHARED | ||
| ${SOURCE_FILES} | ||
| ${HEADER_FILES} | ||
| ${PYTHON_FILES} | ||
| ) | ||
|
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||
| target_link_libraries(${python_module_name} PRIVATE | ||
| ${Python3_LIBRARIES} | ||
| ${GLIB_LIBRARIES} | ||
| ${GSTREAMER_LIBRARIES} | ||
| ${CUDA_LIBRARIES} | ||
| nvdsbufferpool | ||
| nvbufsurfacegenerator | ||
| pybind11::module | ||
| pybind11::lto | ||
| ) | ||
|
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| pybind11_extension(${python_module_name}) | ||
| pybind11_strip(${python_module_name}) | ||
|
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| install(TARGETS ${python_module_name} DESTINATION .) |
57 changes: 57 additions & 0 deletions
57
libs/nvbufsurfacegenerator/nvbufsurfacegenerator/CMakeLists.txt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| cmake_minimum_required(VERSION 3.12) | ||
|
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| project(nvbufsurfacegenerator VERSION "0.0.1" LANGUAGES CXX CUDA) | ||
|
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| set(CMAKE_CXX_STANDARD 14) | ||
| set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--no-undefined" ) | ||
| set(CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -Wl,--no-undefined" ) | ||
|
|
||
| find_package(PkgConfig REQUIRED) | ||
| find_package(CUDA REQUIRED) | ||
| find_package(Python3 COMPONENTS Interpreter Development REQUIRED) | ||
|
|
||
| if (NOT DEFINED DeepStream_DIR) | ||
| set(DeepStream_DIR /opt/nvidia/deepstream/deepstream) | ||
| endif() | ||
|
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||
| pkg_check_modules(GLIB REQUIRED glib-2.0) | ||
| pkg_check_modules(GSTREAMER REQUIRED gstreamer-1.0) | ||
|
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| include_directories( | ||
| ${GLIB_INCLUDE_DIRS} | ||
| ${GSTREAMER_INCLUDE_DIRS} | ||
| ${CUDA_INCLUDE_DIRS} | ||
| ${DeepStream_DIR}/sources/includes | ||
| ) | ||
|
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||
| link_directories( | ||
| ${GLIB_LIBRARY_DIRS} | ||
| ${GSTREAMER_LIBRARY_DIRS} | ||
| ${CUDA_LIBRARY_DIRS} | ||
| ${DeepStream_DIR}/lib | ||
| ) | ||
|
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| AUX_SOURCE_DIRECTORY(src SRC_FILES) | ||
|
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| set(PROJECT_SOURCE_DIR "src") | ||
| set(PROJECT_INCLUDE_DIR "include") | ||
|
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| set(SOURCE_FILES | ||
| ${PROJECT_INCLUDE_DIR}/nvbufsurface_generator.h | ||
| ${PROJECT_SOURCE_DIR}/nvbufsurface_generator.cpp | ||
| ) | ||
|
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| source_group(TREE ${CMAKE_CURRENT_SOURCE_DIR} FILES ${SOURCE_FILES}) | ||
|
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| add_library(nvbufsurfacegenerator SHARED ${SOURCE_FILES}) | ||
| target_link_libraries( | ||
| nvbufsurfacegenerator | ||
| ${GLIB_LIBRARIES} | ||
| ${GSTREAMER_LIBRARIES} | ||
| ${CUDA_LIBRARIES} | ||
| nvdsbufferpool | ||
| ) | ||
|
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| target_include_directories(nvbufsurfacegenerator PUBLIC include) | ||
|
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| install(TARGETS nvbufsurfacegenerator LIBRARY PUBLIC_HEADER) |
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27
libs/nvbufsurfacegenerator/pynvbufsurfacegenerator/__init__.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| import gi | ||
|
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| from . import pynvbufsurfacegenerator | ||
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| gi.require_version('Gst', '1.0') | ||
| from gi.repository import Gst | ||
|
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|
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| class NvBufSurfaceGenerator: | ||
| """Generates GStreamer buffers with NvBufSurface memory allocated. | ||
| :param caps: Caps for the generated buffers. | ||
| :param gpu_id: ID of the GPU to allocate NvBufSurface. | ||
| :param mem_type: Memory type for the NvBufSurface. | ||
| """ | ||
|
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| def __init__(self, caps: Gst.Caps, gpu_id: int, mem_type: int): | ||
| self._nested = pynvbufsurfacegenerator.NvBufSurfaceGenerator( | ||
| hash(caps), gpu_id, mem_type | ||
| ) | ||
|
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| def create_surface(self, buffer: Gst.Buffer): | ||
| """Create a new NvBufSurface and attach it to the given buffer. | ||
| :param buffer: Buffer to attach the NvBufSurface to. | ||
| """ | ||
| return self._nested.create_surface(hash(buffer)) |
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