Remove comments and corrected code, which exists for correctness but will likely never be used. Fixes #20362

servers/audio/audio_rb_resampler.cpp

@@ -79,53 +79,27 @@ uint32_t AudioRBResampler::_resample(AudioFrame *p_dest, int p_todo, int32_t p_i
 			p_dest[i] = AudioFrame(v0, v1);
 		}
 
-		// For now, channels higher than stereo are almost ignored
+		// This will probably never be used, but added anyway
 		if (C == 4) {
 
-			// FIXME: v2 and v3 are not being used (thus were commented out to prevent
-			// compilation warnings, but they should likely be uncommented *and* used).
-			// See also C == 6 with similar issues.
 			float v0 = rb[(pos << 2) + 0];
 			float v1 = rb[(pos << 2) + 1];
-			/*
-			float v2 = rb[(pos << 2) + 2];
-			float v3 = rb[(pos << 2) + 3];
-			*/
 			float v0n = rb[(pos_next << 2) + 0];
 			float v1n = rb[(pos_next << 2) + 1];
-			/*
-			float v2n = rb[(pos_next << 2) + 2];
-			float v3n = rb[(pos_next << 2) + 3];
-			*/
-
 			v0 += (v0n - v0) * frac;
 			v1 += (v1n - v1) * frac;
-			/*
-			v2 += (v2n - v2) * frac;
-			v3 += (v3n - v3) * frac;
-			*/
 			p_dest[i] = AudioFrame(v0, v1);
 		}
 
 		if (C == 6) {
 
-			// FIXME: Lot of unused assignments here, but it seems like intermediate calculations
-			// should be done as for C == 2 (C == 4 also has some unused assignments).
 			float v0 = rb[(pos * 6) + 0];
 			float v1 = rb[(pos * 6) + 1];
-			/*
-			float v2 = rb[(pos * 6) + 2];
-			float v3 = rb[(pos * 6) + 3];
-			float v4 = rb[(pos * 6) + 4];
-			float v5 = rb[(pos * 6) + 5];
 			float v0n = rb[(pos_next * 6) + 0];
 			float v1n = rb[(pos_next * 6) + 1];
-			float v2n = rb[(pos_next * 6) + 2];
-			float v3n = rb[(pos_next * 6) + 3];
-			float v4n = rb[(pos_next * 6) + 4];
-			float v5n = rb[(pos_next * 6) + 5];
-			*/
 
+			v0 += (v0n - v0) * frac;
+			v1 += (v1n - v1) * frac;
 			p_dest[i] = AudioFrame(v0, v1);
 		}
 	}