1 files changed, 0 insertions, 83 deletions
diff --git a/plugins/gme/game-music-emu-svn/gme/Spc_Filter.cpp b/plugins/gme/game-music-emu-svn/gme/Spc_Filter.cpp
deleted file mode 100644
index 9b7ace98..00000000
--- a/plugins/gme/game-music-emu-svn/gme/Spc_Filter.cpp
+++ /dev/null
@@ -1,83 +0,0 @@
-// Game_Music_Emu 0.5.5. http://www.slack.net/~ant/
-
-#include "Spc_Filter.h"
-
-#include <string.h>
-
-/* Copyright (C) 2007 Shay Green. This module is free software; you
-can redistribute it and/or modify it under the terms of the GNU Lesser
-General Public License as published by the Free Software Foundation; either
-version 2.1 of the License, or (at your option) any later version. This
-module is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
-details. You should have received a copy of the GNU Lesser General Public
-License along with this module; if not, write to the Free Software Foundation,
-Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
-
-#include "blargg_source.h"
-
-void SPC_Filter::clear() { memset( ch, 0, sizeof ch ); }
-
-SPC_Filter::SPC_Filter()
-{
-	enabled = true;
-	gain    = gain_unit;
-	bass    = bass_norm;
-	clear();
-}
-
-void SPC_Filter::run( short* io, int count )
-{
-	require( (count & 1) == 0 ); // must be even
-	
-	int const gain = this->gain;
-	if ( enabled )
-	{
-		int const bass = this->bass;
-		chan_t* c = &ch [2];
-		do
-		{
-			// cache in registers
-			int sum = (--c)->sum;
-			int pp1 = c->pp1;
-			int p1  = c->p1;
-			
-			for ( int i = 0; i < count; i += 2 )
-			{
-				// Low-pass filter (two point FIR with coeffs 0.25, 0.75)
-				int f = io [i] + p1;
-				p1 = io [i] * 3;
-				
-				// High-pass filter ("leaky integrator")
-				int delta = f - pp1;
-				pp1 = f;
-				int s = sum >> (gain_bits + 2);
-				sum += (delta * gain) - (sum >> bass);
-				
-				// Clamp to 16 bits
-				if ( (short) s != s )
-					s = (s >> 31) ^ 0x7FFF;
-				
-				io [i] = (short) s;
-			}
-			
-			c->p1  = p1;
-			c->pp1 = pp1;
-			c->sum = sum;
-			++io;
-		}
-		while ( c != ch );
-	}
-	else if ( gain != gain_unit )
-	{
-		short* const end = io + count;
-		while ( io < end )
-		{
-			int s = (*io * gain) >> gain_bits;
-			if ( (short) s != s )
-				s = (s >> 31) ^ 0x7FFF;
-			*io++ = (short) s;
-		}
-	}
-}