engine: server: added support for variable voice chat quality

engine/server/sv_init.c

@@ -395,7 +395,7 @@ void SV_WriteVoiceCodec( sizebuf_t *msg )
 {
 	MSG_BeginServerCmd( msg, svc_voiceinit );
 	MSG_WriteString( msg, "opus" );
-	MSG_WriteByte( msg, 0 );
+	MSG_WriteByte( msg, Cvar_VariableInteger( "sv_voicequality" ));
 }
 
 /*

engine/server/sv_main.c

@@ -114,6 +114,7 @@ CVAR_DEFINE_AUTO( violence_agibs, "1", 0, "show alien gib entities" );
 
 // voice chat
 CVAR_DEFINE_AUTO( sv_voiceenable, "1", FCVAR_ARCHIVE|FCVAR_SERVER, "enable voice support" );
+CVAR_DEFINE_AUTO( sv_voicequality, "3", FCVAR_ARCHIVE|FCVAR_SERVER, "voice chat quality level, from 0 to 5, higher is better" );
 
 convar_t	*sv_novis;			// disable server culling entities by vis
 convar_t	*sv_pausable;
@@ -978,6 +979,7 @@ void SV_Init( void )
 	Cvar_RegisterVariable( &mapchangecfgfile );
 
 	Cvar_RegisterVariable( &sv_voiceenable );
+	Cvar_RegisterVariable( &sv_voicequality );
 	Cvar_RegisterVariable( &sv_trace_messages );
 
 	sv_allow_joystick = Cvar_Get( "sv_allow_joystick", "1", FCVAR_ARCHIVE, "allow connect with joystick enabled" );