obs-studio/plugins/obs-filters/cmake/speexdsp.cmake

option(ENABLE_SPEEXDSP "Enable building with SpeexDSP-based noise suppression filter" ON)

if(ENABLE_SPEEXDSP)
  find_package(Libspeexdsp REQUIRED)

  target_sources(obs-filters PRIVATE noise-suppress-filter.c)
  target_link_libraries(obs-filters PRIVATE SpeexDSP::Libspeexdsp)
  target_compile_definitions(obs-filters PRIVATE LIBSPEEXDSP_ENABLED)
  target_link_options(obs-filters PRIVATE $<$<PLATFORM_ID:Windows>:/LTCG> $<$<PLATFORM_ID:Windows>:/IGNORE:4098>
                      $<$<PLATFORM_ID:Windows>:/IGNORE:4099>)

  target_enable_feature(obs-filters "SpeexDSP noise suppression" HAS_NOISEREDUCTION)
else()
  target_disable_feature(obs-filters "SpeexDSP noise suppression")
endif()