Add optional RNNoise support to AudioBridge (#3185)

conf/janus.plugin.audiobridge.jcfg.sample

@@ -12,6 +12,7 @@
 # audio_level_average = 25 (average value of audio level, 127=muted, 0='too loud', default=25)
 # default_expectedloss = percent of packets we expect participants may miss, to help with FEC (default=0, max=20; automatically used for forwarders too)
 # default_bitrate = default bitrate in bps to use for the all participants (default=0, which means libopus decides; automatically used for forwarders too)
+# denoise = true|false (whether denoising via RNNoise should be performed for each participant by default)
 # record = true|false (whether this room should be recorded, default=false)
 # record_file = "/path/to/recording.wav" (where to save the recording)
 # record_dir = "/path/to/" (path to save the recording to, makes record_file a relative path if provided)

configure.ac

@@ -819,6 +819,16 @@ PKG_CHECK_MODULES([OGG],
 AC_SUBST([OGG_CFLAGS])
 AC_SUBST([OGG_LIBS])
 
+PKG_CHECK_MODULES([RNNOISE],
+                  [rnnoise],
+                  [
+                    AC_DEFINE(HAVE_RNNOISE)
+                  ],
+                  [
+                  ])
+AC_SUBST([RNNOISE_CFLAGS])
+AC_SUBST([RNNOISE_LIBS])
+
 PKG_CHECK_MODULES([LUA],
                   [lua],
                   [

src/Makefile.am

@@ -396,13 +396,14 @@ plugins_libadd = \
 
 if ENABLE_PLUGIN_AUDIOBRIDGE
 plugin_LTLIBRARIES += plugins/libjanus_audiobridge.la
+plugins_libjanus_audiobridge_la_SOURCES = plugins/janus_audiobridge.c
 plugins_libjanus_audiobridge_la_SOURCES = plugins/janus_audiobridge.c \
-	plugins/audiobridge-deps/jitter.c plugins/audiobridge-deps/arch.h \
-	plugins/audiobridge-deps/os_support.h plugins/audiobridge-deps/speex/speex_jitter.h \
+	plugins/audiobridge-deps/jitter.c plugins/audiobridge-deps/resample.c plugins/audiobridge-deps/arch.h \
+	plugins/audiobridge-deps/os_support.h plugins/audiobridge-deps/speex/speex_jitter.h plugins/audiobridge-deps/speex/speex_resampler.h \
 	plugins/audiobridge-deps/speex/speexdsp_types.h plugins/audiobridge-deps/speex/speexdsp_config_types.h
-plugins_libjanus_audiobridge_la_CFLAGS = $(plugins_cflags) $(OPUS_CFLAGS) $(OGG_CFLAGS) $(LIBSRTP_CFLAGS)
-plugins_libjanus_audiobridge_la_LDFLAGS = $(plugins_ldflags) $(OPUS_LDFLAGS) $(OPUS_LIBS) $(OGG_LDFLAGS) $(OGG_LIBS)
-plugins_libjanus_audiobridge_la_LIBADD = $(plugins_libadd) $(OPUS_LIBADD) $(OGG_LIBADD)
+plugins_libjanus_audiobridge_la_CFLAGS = $(plugins_cflags) $(OPUS_CFLAGS) $(OGG_CFLAGS) $(RNNOISE_CFLAGS) $(LIBSRTP_CFLAGS)
+plugins_libjanus_audiobridge_la_LDFLAGS = $(plugins_ldflags) $(OPUS_LDFLAGS) $(OPUS_LIBS) $(OGG_LDFLAGS) $(OGG_LIBS) $(RNNOISE_LDFLAGS) $(RNNOISE_LIBS)
+plugins_libjanus_audiobridge_la_LIBADD = $(plugins_libadd) $(OPUS_LIBADD) $(OGG_LIBADD) $(RNNOISE_LIBADD)
 conf_DATA += ../conf/janus.plugin.audiobridge.jcfg.sample
 EXTRA_DIST += ../conf/janus.plugin.audiobridge.jcfg.sample
 endif