comp: Add initial Google CTC component

Introduce a new component to perform crosstalk-cancellation on
the playback path.

Signed-off-by: Eddy Hsu <eddyhsu@google.com>

src/arch/host/configs/library_defconfig

@@ -4,6 +4,7 @@ CONFIG_COMP_DCBLOCK=y
 CONFIG_COMP_DRC=y
 CONFIG_COMP_FIR=y
 CONFIG_COMP_GOOGLE_RTC_AUDIO_PROCESSING=y
+CONFIG_COMP_GOOGLE_CTC_AUDIO_PROCESSING=y
 CONFIG_COMP_IIR=y
 CONFIG_COMP_IGO_NR=y
 CONFIG_COMP_MFCC=y

src/audio/google/CMakeLists.txt

@@ -29,6 +29,31 @@ if((NOT CONFIG_LIBRARY) OR CONFIG_LIBRARY_STATIC)
 		target_link_libraries(sof PRIVATE c)
 	  endif()
 	endif()
+
+	if(CONFIG_COMP_GOOGLE_CTC_AUDIO_PROCESSING)
+	  target_include_directories(sof PRIVATE ${CMAKE_SOURCE_DIR}/third_party/include)
+	  add_local_sources(sof
+		google_ctc_audio_processing.c
+		)
+	  if(CONFIG_IPC_MAJOR_3)
+	  	add_local_sources(sof google_ctc_audio_processing_ipc3.c)
+	  elseif(CONFIG_IPC_MAJOR_4)
+	  	add_local_sources(sof google_ctc_audio_processing_ipc4.c)
+	  endif()
+	  if(CONFIG_GOOGLE_CTC_AUDIO_PROCESSING_MOCK)
+		add_local_sources(sof
+		  google_ctc_audio_processing_mock.c
+		  )
+	  else()
+		message(INFO "Link with google_ctc_audio_processing")
+		target_link_directories(sof PRIVATE ${CMAKE_SOURCE_DIR}/third_party/lib)
+		target_link_libraries(sof PRIVATE google_ctc_audio_processing)
+		target_link_libraries(sof PRIVATE c++)
+		target_link_libraries(sof PRIVATE c++abi)
+		target_link_libraries(sof PRIVATE m)
+		target_link_libraries(sof PRIVATE c)
+	  endif()
+	endif()
 	return()
 endif()
 

src/audio/google/Kconfig

@@ -88,4 +88,24 @@ config GOOGLE_RTC_AUDIO_PROCESSING_MOCK
 
 endif # COMP_GOOGLE_RTC_AUDIO_PROCESSING
 
+config COMP_GOOGLE_CTC_AUDIO_PROCESSING
+	bool "Google Crosstalk Cancellation Audio processing"
+	select COMP_BLOB
+	select GOOGLE_CTC_AUDIO_PROCESSING_MOCK if COMP_STUBS
+	select STATIC_INIT_GNU if ZEPHYR_SOF_MODULE
+	default n
+	depends on ZEPHYR_SOF_MODULE
+	help
+	  Select for Google crosstalk cancellation audio processing. It
+	  uses the Google real-time audio processing library to perform
+	  crosstalk cancellation.
+
+config GOOGLE_CTC_AUDIO_PROCESSING_MOCK
+	bool "Google Crosstalk Cancellation Audio processing mock"
+	default y if COMP_STUBS
+	depends on COMP_GOOGLE_CTC_AUDIO_PROCESSING
+	help
+	  Mock Google crosstalk cancellation audio processing.
+	  It allows for compilation check and basic audio flow checking.
+
 endmenu