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# This file is a part of media_kit (https://github.com/media-kit/media-kit).
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#
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# Copyright © 2021 & onwards, Hitesh Kumar Saini <saini123hitesh@gmail.com>.
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# All rights reserved.
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# Use of this source code is governed by MIT license that can be found in the LICENSE file.
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cmake_minimum_required(VERSION 3.14)
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# This option is read by the other packages which are part of package:media_kit.
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option(MEDIA_KIT_LIBS_AVAILABLE "package:media_kit libraries are available." ON)
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set(PROJECT_NAME "media_kit_libs_windows_video")
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project(${PROJECT_NAME} LANGUAGES CXX)
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# Deal with MSVC incompatiblity
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add_compile_definitions(_DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR)
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# ------------------------------------------------------------------------------
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function(download_and_verify url md5 locationForArchive)
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# Check if the archive exists.
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if(EXISTS "${locationForArchive}")
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file(MD5 "${locationForArchive}" ARCHIVE_MD5)
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# If MD5 doesn't match, delete the archive to download again.
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if(NOT md5 STREQUAL ARCHIVE_MD5)
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file(REMOVE "${locationForArchive}")
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message(STATUS "MD5 mismatch. File deleted.")
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endif()
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endif()
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# Download the archive if it doesn't exist.
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if(NOT EXISTS "${locationForArchive}")
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message(STATUS "Downloading archive from ${url}...")
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file(DOWNLOAD "${url}" "${locationForArchive}")
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message(STATUS "Downloaded archive to ${locationForArchive}.")
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# Verify MD5 of the newly downloaded file.
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file(MD5 "${locationForArchive}" ARCHIVE_MD5)
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if(md5 STREQUAL ARCHIVE_MD5)
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message(STATUS "${locationForArchive} Verification successful.")
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else()
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message(FATAL_ERROR "${locationForArchive} Integrity check failed, please try to re-build project again.")
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endif()
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endif()
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endfunction()
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function(check_directory_exists_and_not_empty dir result_var)
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# Check if the directory exists
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if(EXISTS "${dir}")
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# Check if the directory is not empty
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file(GLOB dir_contents "${dir}/*")
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if(dir_contents)
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set(${result_var} TRUE PARENT_SCOPE)
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else()
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set(${result_var} FALSE PARENT_SCOPE)
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message(STATUS "Directory ${dir} exists but is empty!")
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endif()
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else()
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set(${result_var} FALSE PARENT_SCOPE)
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message(STATUS "Directory ${dir} does not exist!")
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endif()
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endfunction()
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# libmpv archive containing the pre-built shared libraries & headers.
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#
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# Vendored fork: pinned to a zhongfly/mpv-winbuild full build so that libmpv's
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# bundled FFmpeg ships the truehd audio decoder and the hdmv_pgs_subtitle
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# bitmap decoder — both are missing from upstream media-kit's stripped
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# allow-listed build (media-kit/media-kit#1269 / #1371). See the vendored
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# plugin README for the rationale and follow-ups.
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set(LIBMPV "mpv-dev-x86_64-20260711-git-e5486b96d7.7z")
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# Download URL & MD5 hash of the libmpv archive.
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set(LIBMPV_URL "https://github.com/zhongfly/mpv-winbuild/releases/download/2026-07-11-e5486b96d7/${LIBMPV}")
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set(LIBMPV_MD5 "32c8d72df54259bcce914aeb620db261")
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# Download location of the libmpv archive.
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set(LIBMPV_ARCHIVE "${CMAKE_BINARY_DIR}/${LIBMPV}")
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set(LIBMPV_SRC "${CMAKE_BINARY_DIR}/libmpv")
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download_and_verify(
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${LIBMPV_URL}
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${LIBMPV_MD5}
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${LIBMPV_ARCHIVE}
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)
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check_directory_exists_and_not_empty(${LIBMPV_SRC} LIBMPV_SRC_VALID)
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# Extract the libmpv archive.
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if(NOT LIBMPV_SRC_VALID)
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message(STATUS "Extracting ${LIBMPV}...")
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make_directory("${LIBMPV_SRC}")
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add_custom_target("${PROJECT_NAME}_LIBMPV_EXTRACT" ALL)
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add_custom_command(
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TARGET "${PROJECT_NAME}_LIBMPV_EXTRACT"
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COMMAND "${CMAKE_COMMAND}" -E tar xzf "\"${LIBMPV_ARCHIVE}\""
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COMMAND xcopy "\"${LIBMPV_SRC}/include/mpv\"" "\"${LIBMPV_SRC}/mpv\"" /E /H /C /I
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COMMAND rmdir "\"${LIBMPV_SRC}/include\"" /S /Q
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COMMAND ren "\"${LIBMPV_SRC}/mpv\"" "\"include\""
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WORKING_DIRECTORY "${LIBMPV_SRC}"
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)
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endif()
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# ------------------------------------------------------------------------------
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# ANGLE archive containing the pre-built shared libraries & headers.
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set(ANGLE "ANGLE.7z")
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# Download URL & MD5 hash of the ANGLE archive.
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set(ANGLE_URL "https://github.com/alexmercerind/flutter-windows-ANGLE-OpenGL-ES/releases/download/v1.0.1/ANGLE.7z")
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set(ANGLE_MD5 "e866f13e8d552348058afaafe869b1ed")
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# Download location of the ANGLE archive.
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set(ANGLE_ARCHIVE "${CMAKE_BINARY_DIR}/${ANGLE}")
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set(ANGLE_SRC "${CMAKE_BINARY_DIR}/ANGLE")
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download_and_verify(
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${ANGLE_URL}
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${ANGLE_MD5}
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${ANGLE_ARCHIVE}
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)
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check_directory_exists_and_not_empty(${ANGLE_SRC} ANGLE_SRC_VALID)
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# Extract the ANGLE archive.
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if(NOT ANGLE_SRC_VALID)
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message(STATUS "Extracting ${ANGLE}...")
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make_directory("${ANGLE_SRC}")
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add_custom_target("${PROJECT_NAME}_ANGLE_EXTRACT" ALL)
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add_custom_command(
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TARGET "${PROJECT_NAME}_ANGLE_EXTRACT"
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COMMAND "${CMAKE_COMMAND}" -E tar xzf "\"${ANGLE_ARCHIVE}\""
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WORKING_DIRECTORY "${ANGLE_SRC}"
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)
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endif()
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# ------------------------------------------------------------------------------
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set(PLUGIN_NAME "media_kit_libs_windows_video_plugin")
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add_library(
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${PLUGIN_NAME} SHARED
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"include/media_kit_libs_windows_video/media_kit_libs_windows_video_plugin_c_api.h"
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"media_kit_libs_windows_video_plugin_c_api.cpp"
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)
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apply_standard_settings(${PLUGIN_NAME})
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set_target_properties(
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${PLUGIN_NAME}
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PROPERTIES
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CXX_VISIBILITY_PRESET
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hidden
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)
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target_compile_definitions(
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${PLUGIN_NAME}
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PRIVATE
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FLUTTER_PLUGIN_IMPL
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)
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target_include_directories(
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${PLUGIN_NAME} INTERFACE
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"${CMAKE_CURRENT_SOURCE_DIR}/include"
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)
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target_link_libraries(
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${PLUGIN_NAME}
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PRIVATE
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flutter
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flutter_wrapper_plugin
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)
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set(
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media_kit_libs_windows_video_bundled_libraries
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"${LIBMPV_SRC}/libmpv-2.dll"
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"${ANGLE_SRC}/d3dcompiler_47.dll"
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"${ANGLE_SRC}/libEGL.dll"
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"${ANGLE_SRC}/libGLESv2.dll"
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"${ANGLE_SRC}/vk_swiftshader.dll"
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"${ANGLE_SRC}/vulkan-1.dll"
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"${ANGLE_SRC}/zlib.dll"
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PARENT_SCOPE
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)
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+24
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#ifndef FLUTTER_PLUGIN_MEDIA_KIT_LIBS_WINDOWS_VIDEO_PLUGIN_C_API_H_
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#define FLUTTER_PLUGIN_MEDIA_KIT_LIBS_WINDOWS_VIDEO_PLUGIN_C_API_H_
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#include <flutter_plugin_registrar.h>
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#ifdef FLUTTER_PLUGIN_IMPL
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#define FLUTTER_PLUGIN_EXPORT __declspec(dllexport)
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#else
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#define FLUTTER_PLUGIN_EXPORT __declspec(dllimport)
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#endif
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#if defined(__cplusplus)
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extern "C" {
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#endif
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FLUTTER_PLUGIN_EXPORT void
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MediaKitLibsWindowsVideoPluginCApiRegisterWithRegistrar(
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FlutterDesktopPluginRegistrarRef registrar);
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#if defined(__cplusplus)
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} // extern "C"
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#endif
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#endif // FLUTTER_PLUGIN_MEDIA_KIT_LIBS_WINDOWS_VIDEO_PLUGIN_C_API_H_
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+6
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#include "include/media_kit_libs_windows_video/media_kit_libs_windows_video_plugin_c_api.h"
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#include <flutter/plugin_registrar_windows.h>
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void MediaKitLibsWindowsVideoPluginCApiRegisterWithRegistrar(
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FlutterDesktopPluginRegistrarRef) {}
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