Added rnnoise to the project & build instructions + Rename openh264 internal submodule name

Author: vkryl

.gitmodules

@@ -82,8 +82,11 @@
 	path = app/jni/third_party/libsrtp
 	url = https://github.com/cisco/libsrtp
 	shallow = true
-[submodule "app/jni/third_party/openh264"]
+[submodule "openh264"]
 	path = app/jni/third_party/openh264
 	url = https://github.com/cisco/openh264
 	shallow = true
-
+[submodule "rnnoise"]
+	path = app/jni/third_party/rnnoise
+	url = https://github.com/xiph/rnnoise
+	shallow = true

app/jni/BuildRNNoise.cmake

@@ -0,0 +1,17 @@
+# rnnoise
+
+set(RNNOISE_DIR "${THIRDPARTY_DIR}/rnnoise")
+
+add_library(rnnoise STATIC
+  "${RNNOISE_DIR}/src/celt_lpc.c"
+  "${RNNOISE_DIR}/src/denoise.c"
+  "${RNNOISE_DIR}/src/kiss_fft.c"
+  "${RNNOISE_DIR}/src/pitch.c"
+  "${RNNOISE_DIR}/src/rnn_data.c"
+  "${RNNOISE_DIR}/src/rnn_reader.c"
+  "${RNNOISE_DIR}/src/rnn_reader.c"
+  "${RNNOISE_DIR}/src/rnn.c"
+)
+target_include_directories(rnnoise PUBLIC
+  "${RNNOISE_DIR}/include"
+)

app/jni/CMakeLists.txt

@@ -105,6 +105,7 @@ set(EXCLUDE_LIBS
   libusrsctp.a
   libsrtp.a
   libopenh264.a
+  librnnoise.a
 )
 if (${USE_WEBP})
   list(APPEND EXCLUDE_LIBS
@@ -166,6 +167,9 @@ include("${CMAKE_HOME_DIRECTORY}/BuildLibSRTP.cmake")
 # openh264
 include("${CMAKE_HOME_DIRECTORY}/BuildOpenH264.cmake")
 
+# rnnoise
+include("${CMAKE_HOME_DIRECTORY}/BuildRNNoise.cmake")
+
 # yuv
 include("${CMAKE_HOME_DIRECTORY}/BuildYuv.cmake")
 
@@ -277,6 +281,7 @@ target_link_libraries(${NATIVE_LIB}
   usrsctp
   srtp
   openh264
+  rnnoise
 )
 if (${USE_WEBP})
   target_link_libraries(${NATIVE_LIB} webpdecoder_static)