Enable Opus ML improvements

Related to: https://github.com/orgs/jamulussoftware/discussions/3244

Author: ann0see

Jamulus.pro

@@ -696,7 +696,7 @@ contains(QT_ARCH, armeabi-v7a) | contains(QT_ARCH, arm64-v8a) {
     contains(QT_ARCH, x86_64):DEFINES_OPUS += OPUS_X86_PRESUME_SSE=1 OPUS_X86_PRESUME_SSE2=1
     DEFINES_OPUS += CPU_INFO_BY_C
 }
-DEFINES_OPUS += OPUS_BUILD=1 USE_ALLOCA=1 OPUS_HAVE_RTCD=1 HAVE_LRINTF=1 HAVE_LRINT=1
+DEFINES_OPUS += OPUS_BUILD=1 USE_ALLOCA=1 OPUS_HAVE_RTCD=1 HAVE_LRINTF=1 HAVE_LRINT=1 OPUS_DRED=1
 
 DISTFILES += ChangeLog \
     COMPILING.md \

src/client.cpp

@@ -106,6 +106,10 @@ CClient::CClient ( const quint16  iPortNumber,
     opus_custom_encoder_ctl ( OpusEncoderMono, OPUS_SET_COMPLEXITY ( 1 ) );
     opus_custom_encoder_ctl ( OpusEncoderStereo, OPUS_SET_COMPLEXITY ( 1 ) );
 
+    // enable lowest decoder complexity for Opus64 decoders to enable DRED
+    opus_custom_decoder_ctl ( Opus64DecoderMono, OPUS_SET_COMPLEXITY ( 5 ) );
+    opus_custom_decoder_ctl ( Opus64DecoderStereo, OPUS_SET_COMPLEXITY ( 5 ) );
+
     // Connections -------------------------------------------------------------
     // connections for the protocol mechanism
     QObject::connect ( &Channel, &CChannel::MessReadyForSending, this, &CClient::OnSendProtMessage );

src/server.cpp

@@ -116,6 +116,10 @@ CServer::CServer ( const int          iNewMaxNumChan,
         opus_custom_encoder_ctl ( OpusEncoderMono[i], OPUS_SET_COMPLEXITY ( 1 ) );
         opus_custom_encoder_ctl ( OpusEncoderStereo[i], OPUS_SET_COMPLEXITY ( 1 ) );
 
+        // enable lowest decoder complexity for Opus64 decoders to enable DRED
+        opus_custom_decoder_ctl ( Opus64DecoderMono[i], OPUS_SET_COMPLEXITY ( 5 ) );
+        opus_custom_decoder_ctl ( Opus64DecoderStereo[i], OPUS_SET_COMPLEXITY ( 5 ) );
+
         // init double-to-normal frame size conversion buffers -----------------
         // use worst case memory initialization to avoid allocating memory in
         // the time-critical thread