Remove really broke MP3 stuff in favor of G.726 in the near future

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@1689 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 0 insertions, 712 deletions

diff --git a/codecs/mp3/src/iwinbQ.c b/codecs/mp3/src/iwinbQ.c
deleted file mode 100755
index 15c573a16..000000000
--- a/codecs/mp3/src/iwinbQ.c
+++ /dev/null
@@ -1,712 +0,0 @@
-/*____________________________________________________________________________
-	
-	FreeAmp - The Free MP3 Player
-
-        MP3 Decoder originally Copyright (C) 1995-1997 Xing Technology
-        Corp.  http://www.xingtech.com
-
-	Portions Copyright (C) 1998 EMusic.com
-
-	This program is free software; you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation; either version 2 of the License, or
-	(at your option) any later version.
-
-	This program 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 General Public License for more details.
-
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to the Free Software
-	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-	
-	$Id$
-____________________________________________________________________________*/
-
-/*----- iwinbq.c ---------------------------------------------------
-
-portable c
-mpeg1/2 Layer I/II audio decode
-
-conditional include to iwinm.c
-
-quick integer window - 8 bit output
-
-mods 1/8/97 warnings
-
---------------------------------------------------------------*/
-/*--------------------------------------------------------------------*/
-void i_windowB(WININT * vbuf, int vb_ptr, unsigned char *pcm)
-{
-   int i, j;
-   unsigned int si, bx;
-   WINCOEF *coef;
-   INT32 sum;
-
-/*-- first 16 --*/
-   si = (vb_ptr + (16 + 3 * 64)) & 511;
-   bx = (si + (32 + 512 - 3 * 64 + 2 * 64)) & 511;
-   coef = iwincoef;
-   for (i = 0; i < 16; i++)
-   {
-      sum = -WINMULT(vbuf[bx], (*coef++));
-      for (j = 0; j < 3; j++)
-      {
-	 bx = (bx + 64) & 511;
-	 sum += WINMULT(vbuf[si], (*coef++));
-	 si = (si + 64) & 511;
-	 sum -= WINMULT(vbuf[bx], (*coef++));
-      }
-      si = (si + (5 * 64 + 1)) & 511;
-      bx = (bx + (64 + 4 * 64 - 1)) & 511;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm++ = (unsigned char) ((sum >> 8) ^ 0x80);
-   }
-/*--  special case --*/
-   bx = (bx + (512 - 64)) & 511;
-   sum = WINMULT(vbuf[bx], (*coef++));
-   for (j = 0; j < 3; j++)
-   {
-      bx = (bx + 64) & 511;
-      sum += WINMULT(vbuf[bx], (*coef++));
-   }
-   sum >>= WINBITS;
-   if (sum > 32767)
-      sum = 32767;
-   else if (sum < -32768)
-      sum = -32768;
-   *pcm++ = (unsigned char) ((sum >> 8) ^ 0x80);
-
-/*-- last 15 --*/
-   coef = iwincoef + 111;	/* back pass through coefs */
-   si = (si + (512 - 3 * 64 + 2 * 64 - 1)) & 511;
-   bx = (bx + (64 + 3 * 64 + 2 * 64 + 1)) & 511;
-   for (i = 0; i < 15; i++)
-   {
-      sum = WINMULT(vbuf[si], (*coef--));
-      for (j = 0; j < 3; j++)
-      {
-	 si = (si + 64) & 511;
-	 sum += WINMULT(vbuf[bx], (*coef--));
-	 bx = (bx + 64) & 511;
-	 sum += WINMULT(vbuf[si], (*coef--));
-      }
-      si = (si + (64 - 1 + 4 * 64)) & 511;
-      bx = (bx + (5 * 64 + 1)) & 511;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm++ = (unsigned char) ((sum >> 8) ^ 0x80);
-   }
-}
-/*------------------------------------------------------------*/
-void i_windowB_dual(WININT * vbuf, int vb_ptr, unsigned char *pcm)
-{
-/* dual window interleaves output */
-   int i, j;
-   unsigned int si, bx;
-   WINCOEF *coef;
-   INT32 sum;
-
-/*-- first 16 --*/
-   si = (vb_ptr + (16 + 3 * 64)) & 511;
-   bx = (si + (32 + 512 - 3 * 64 + 2 * 64)) & 511;
-   coef = iwincoef;
-   for (i = 0; i < 16; i++)
-   {
-      sum = -WINMULT(vbuf[bx], (*coef++));
-      for (j = 0; j < 3; j++)
-      {
-	 bx = (bx + 64) & 511;
-	 sum += WINMULT(vbuf[si], (*coef++));
-	 si = (si + 64) & 511;
-	 sum -= WINMULT(vbuf[bx], (*coef++));
-      }
-      si = (si + (5 * 64 + 1)) & 511;
-      bx = (bx + (64 + 4 * 64 - 1)) & 511;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-/*--  special case --*/
-   bx = (bx + (512 - 64)) & 511;
-   sum = WINMULT(vbuf[bx], (*coef++));
-   for (j = 0; j < 3; j++)
-   {
-      bx = (bx + 64) & 511;
-      sum += WINMULT(vbuf[bx], (*coef++));
-   }
-   sum >>= WINBITS;
-   if (sum > 32767)
-      sum = 32767;
-   else if (sum < -32768)
-      sum = -32768;
-   *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-   pcm += 2;
-
-/*-- last 15 --*/
-   coef = iwincoef + 111;	/* back pass through coefs */
-   si = (si + (512 - 3 * 64 + 2 * 64 - 1)) & 511;
-   bx = (bx + (64 + 3 * 64 + 2 * 64 + 1)) & 511;
-   for (i = 0; i < 15; i++)
-   {
-      sum = WINMULT(vbuf[si], (*coef--));
-      for (j = 0; j < 3; j++)
-      {
-	 si = (si + 64) & 511;
-	 sum += WINMULT(vbuf[bx], (*coef--));
-	 bx = (bx + 64) & 511;
-	 sum += WINMULT(vbuf[si], (*coef--));
-      }
-      si = (si + (64 - 1 + 4 * 64)) & 511;
-      bx = (bx + (5 * 64 + 1)) & 511;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-}
-/*------------------------------------------------------------*/
-void i_windowB_dual_right(WININT * vbuf, int vb_ptr, unsigned char *pcm)
-{
-/* right identical to dual, for asm  */
-/* dual window interleaves output */
-   int i, j;
-   unsigned int si, bx;
-   WINCOEF *coef;
-   INT32 sum;
-
-/*-- first 16 --*/
-   si = (vb_ptr + (16 + 3 * 64)) & 511;
-   bx = (si + (32 + 512 - 3 * 64 + 2 * 64)) & 511;
-   coef = iwincoef;
-   for (i = 0; i < 16; i++)
-   {
-      sum = -WINMULT(vbuf[bx], (*coef++));
-      for (j = 0; j < 3; j++)
-      {
-	 bx = (bx + 64) & 511;
-	 sum += WINMULT(vbuf[si], (*coef++));
-	 si = (si + 64) & 511;
-	 sum -= WINMULT(vbuf[bx], (*coef++));
-      }
-      si = (si + (5 * 64 + 1)) & 511;
-      bx = (bx + (64 + 4 * 64 - 1)) & 511;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-/*--  special case --*/
-   bx = (bx + (512 - 64)) & 511;
-   sum = WINMULT(vbuf[bx], (*coef++));
-   for (j = 0; j < 3; j++)
-   {
-      bx = (bx + 64) & 511;
-      sum += WINMULT(vbuf[bx], (*coef++));
-   }
-   sum >>= WINBITS;
-   if (sum > 32767)
-      sum = 32767;
-   else if (sum < -32768)
-      sum = -32768;
-   *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-   pcm += 2;
-
-/*-- last 15 --*/
-   coef = iwincoef + 111;	/* back pass through coefs */
-   si = (si + (512 - 3 * 64 + 2 * 64 - 1)) & 511;
-   bx = (bx + (64 + 3 * 64 + 2 * 64 + 1)) & 511;
-   for (i = 0; i < 15; i++)
-   {
-      sum = WINMULT(vbuf[si], (*coef--));
-      for (j = 0; j < 3; j++)
-      {
-	 si = (si + 64) & 511;
-	 sum += WINMULT(vbuf[bx], (*coef--));
-	 bx = (bx + 64) & 511;
-	 sum += WINMULT(vbuf[si], (*coef--));
-      }
-      si = (si + (64 - 1 + 4 * 64)) & 511;
-      bx = (bx + (5 * 64 + 1)) & 511;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-}
-/*------------------------------------------------------------*/
-/*------------------------------------------------------------*/
-/*------------------- 16 pt window ------------------------------*/
-void i_windowB16(WININT * vbuf, int vb_ptr, unsigned char *pcm)
-{
-   int i, j;
-   unsigned char si, bx;
-   WINCOEF *coef;
-   INT32 sum;
-
-
-/*-- first 8 --*/
-   si = (unsigned char) (vb_ptr + 8 + 3 * 32);
-   bx = (unsigned char) (si + (16 + 256 - 3 * 32 + 2 * 32));
-   coef = iwincoef;
-   for (i = 0; i < 8; i++)
-   {
-      sum = -WINMULT(vbuf[bx], (*coef++));
-      for (j = 0; j < 3; j++)
-      {
-	 bx += 32;
-	 sum += WINMULT(vbuf[si], (*coef++));
-	 si += 32;
-	 sum -= WINMULT(vbuf[bx], (*coef++));
-      }
-      si += (5 * 32 + 1);
-      bx += (32 + 4 * 32 - 1);
-      coef += 7;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm++ = (unsigned char) ((sum >> 8) ^ 0x80);
-   }
-/*--  special case --*/
-   bx += (256 - 32);
-   sum = WINMULT(vbuf[bx], (*coef++));
-   for (j = 0; j < 3; j++)
-   {
-      bx += 32;
-      sum += WINMULT(vbuf[bx], (*coef++));
-   }
-   sum >>= WINBITS;
-   if (sum > 32767)
-      sum = 32767;
-   else if (sum < -32768)
-      sum = -32768;
-   *pcm++ = (unsigned char) ((sum >> 8) ^ 0x80);
-
-/*-- last 7 --*/
-   coef = iwincoef + (111 - 7);	/* back pass through coefs */
-   si += (256 + -3 * 32 + 2 * 32 - 1);
-   bx += (32 + 3 * 32 + 2 * 32 + 1);
-   for (i = 0; i < 7; i++)
-   {
-      sum = WINMULT(vbuf[si], (*coef--));
-      for (j = 0; j < 3; j++)
-      {
-	 si += 32;
-	 sum += WINMULT(vbuf[bx], (*coef--));
-	 bx += 32;
-	 sum += WINMULT(vbuf[si], (*coef--));
-      }
-      si += (32 - 1 + 4 * 32);
-      bx += (5 * 32 + 1);
-      coef -= 7;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm++ = (unsigned char) ((sum >> 8) ^ 0x80);
-   }
-}
-/*--------------- 16 pt dual window (interleaved output) -----------------*/
-void i_windowB16_dual(WININT * vbuf, int vb_ptr, unsigned char *pcm)
-{
-   int i, j;
-   unsigned char si, bx;
-   WINCOEF *coef;
-   INT32 sum;
-
-
-/*-- first 8 --*/
-   si = (unsigned char) (vb_ptr + 8 + 3 * 32);
-   bx = (unsigned char) (si + (16 + 256 - 3 * 32 + 2 * 32));
-   coef = iwincoef;
-   for (i = 0; i < 8; i++)
-   {
-      sum = -WINMULT(vbuf[bx], (*coef++));
-      for (j = 0; j < 3; j++)
-      {
-	 bx += 32;
-	 sum += WINMULT(vbuf[si], (*coef++));
-	 si += 32;
-	 sum -= WINMULT(vbuf[bx], (*coef++));
-      }
-      si += (5 * 32 + 1);
-      bx += (32 + 4 * 32 - 1);
-      coef += 7;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-/*--  special case --*/
-   bx += (256 - 32);
-   sum = WINMULT(vbuf[bx], (*coef++));
-   for (j = 0; j < 3; j++)
-   {
-      bx += 32;
-      sum += WINMULT(vbuf[bx], (*coef++));
-   }
-   sum >>= WINBITS;
-   if (sum > 32767)
-      sum = 32767;
-   else if (sum < -32768)
-      sum = -32768;
-   *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-   pcm += 2;
-
-/*-- last 7 --*/
-   coef = iwincoef + (111 - 7);	/* back pass through coefs */
-   si += (256 + -3 * 32 + 2 * 32 - 1);
-   bx += (32 + 3 * 32 + 2 * 32 + 1);
-   for (i = 0; i < 7; i++)
-   {
-      sum = WINMULT(vbuf[si], (*coef--));
-      for (j = 0; j < 3; j++)
-      {
-	 si += 32;
-	 sum += WINMULT(vbuf[bx], (*coef--));
-	 bx += 32;
-	 sum += WINMULT(vbuf[si], (*coef--));
-      }
-      si += (32 - 1 + 4 * 32);
-      bx += (5 * 32 + 1);
-      coef -= 7;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-}
-/*--------------- 16 pt dual window (interleaved output) -----------------*/
-void i_windowB16_dual_right(WININT * vbuf, int vb_ptr, unsigned char *pcm)
-{
-/* right identical to dual, for asm */
-   int i, j;
-   unsigned char si, bx;
-   WINCOEF *coef;
-   INT32 sum;
-
-
-/*-- first 8 --*/
-   si = (unsigned char) (vb_ptr + 8 + 3 * 32);
-   bx = (unsigned char) (si + (16 + 256 - 3 * 32 + 2 * 32));
-   coef = iwincoef;
-   for (i = 0; i < 8; i++)
-   {
-      sum = -WINMULT(vbuf[bx], (*coef++));
-      for (j = 0; j < 3; j++)
-      {
-	 bx += 32;
-	 sum += WINMULT(vbuf[si], (*coef++));
-	 si += 32;
-	 sum -= WINMULT(vbuf[bx], (*coef++));
-      }
-      si += (5 * 32 + 1);
-      bx += (32 + 4 * 32 - 1);
-      coef += 7;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-/*--  special case --*/
-   bx += (256 - 32);
-   sum = WINMULT(vbuf[bx], (*coef++));
-   for (j = 0; j < 3; j++)
-   {
-      bx += 32;
-      sum += WINMULT(vbuf[bx], (*coef++));
-   }
-   sum >>= WINBITS;
-   if (sum > 32767)
-      sum = 32767;
-   else if (sum < -32768)
-      sum = -32768;
-   *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-   pcm += 2;
-
-/*-- last 7 --*/
-   coef = iwincoef + (111 - 7);	/* back pass through coefs */
-   si += (256 + -3 * 32 + 2 * 32 - 1);
-   bx += (32 + 3 * 32 + 2 * 32 + 1);
-   for (i = 0; i < 7; i++)
-   {
-      sum = WINMULT(vbuf[si], (*coef--));
-      for (j = 0; j < 3; j++)
-      {
-	 si += 32;
-	 sum += WINMULT(vbuf[bx], (*coef--));
-	 bx += 32;
-	 sum += WINMULT(vbuf[si], (*coef--));
-      }
-      si += (32 - 1 + 4 * 32);
-      bx += (5 * 32 + 1);
-      coef -= 7;
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-}
-/*------------------------------------------------------------*/
-/*------------------- 8 pt window ------------------------------*/
-void i_windowB8(WININT * vbuf, int vb_ptr, unsigned char *pcm)
-{
-   int i, j;
-   unsigned int si, bx;
-   WINCOEF *coef;
-   INT32 sum;
-
-/*-- first 4 --*/
-   si = (vb_ptr + (4 + 3 * 16)) & 127;
-   bx = (si + (8 + 128 - 3 * 16 + 2 * 16)) & 127;
-   coef = iwincoef;
-   for (i = 0; i < 4; i++)
-   {
-      sum = -WINMULT(vbuf[bx], (*coef++));
-      for (j = 0; j < 3; j++)
-      {
-	 bx = (bx + 16) & 127;
-	 sum += WINMULT(vbuf[si], (*coef++));
-	 si = (si + 16) & 127;
-	 sum -= WINMULT(vbuf[bx], (*coef++));
-      }
-      si = (si + (5 * 16 + 1)) & 127;
-      bx = (bx + (16 + 4 * 16 - 1)) & 127;
-      coef += (3 * 7);
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm++ = (unsigned char) ((sum >> 8) ^ 0x80);
-   }
-/*--  special case --*/
-   bx = (bx + (128 - 16)) & 127;
-   sum = WINMULT(vbuf[bx], (*coef++));
-   for (j = 0; j < 3; j++)
-   {
-      bx = (bx + 16) & 127;
-      sum += WINMULT(vbuf[bx], (*coef++));
-   }
-   sum >>= WINBITS;
-   if (sum > 32767)
-      sum = 32767;
-   else if (sum < -32768)
-      sum = -32768;
-   *pcm++ = (unsigned char) ((sum >> 8) ^ 0x80);
-
-/*-- last 3 --*/
-   coef = iwincoef + (111 - 3 * 7);	/* back pass through coefs */
-   si = (si + (128 - 3 * 16 + 2 * 16 - 1)) & 127;
-   bx = (bx + (16 + 3 * 16 + 2 * 16 + 1)) & 127;
-   for (i = 0; i < 3; i++)
-   {
-      sum = WINMULT(vbuf[si], (*coef--));
-      for (j = 0; j < 3; j++)
-      {
-	 si = (si + 16) & 127;
-	 sum += WINMULT(vbuf[bx], (*coef--));
-	 bx = (bx + 16) & 127;
-	 sum += WINMULT(vbuf[si], (*coef--));
-      }
-      si = (si + (16 - 1 + 4 * 16)) & 127;
-      bx = (bx + (5 * 16 + 1)) & 127;
-      coef -= (3 * 7);
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm++ = (unsigned char) ((sum >> 8) ^ 0x80);
-   }
-}
-/*--------------- 8 pt dual window (interleaved output) --------------*/
-void i_windowB8_dual(WININT * vbuf, int vb_ptr, unsigned char *pcm)
-{
-   int i, j;
-   unsigned int si, bx;
-   WINCOEF *coef;
-   INT32 sum;
-
-/*-- first 4 --*/
-   si = (vb_ptr + (4 + 3 * 16)) & 127;
-   bx = (si + (8 + 128 - 3 * 16 + 2 * 16)) & 127;
-   coef = iwincoef;
-   for (i = 0; i < 4; i++)
-   {
-      sum = -WINMULT(vbuf[bx], (*coef++));
-      for (j = 0; j < 3; j++)
-      {
-	 bx = (bx + 16) & 127;
-	 sum += WINMULT(vbuf[si], (*coef++));
-	 si = (si + 16) & 127;
-	 sum -= WINMULT(vbuf[bx], (*coef++));
-      }
-      si = (si + (5 * 16 + 1)) & 127;
-      bx = (bx + (16 + 4 * 16 - 1)) & 127;
-      coef += (3 * 7);
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-/*--  special case --*/
-   bx = (bx + (128 - 16)) & 127;
-   sum = WINMULT(vbuf[bx], (*coef++));
-   for (j = 0; j < 3; j++)
-   {
-      bx = (bx + 16) & 127;
-      sum += WINMULT(vbuf[bx], (*coef++));
-   }
-   sum >>= WINBITS;
-   if (sum > 32767)
-      sum = 32767;
-   else if (sum < -32768)
-      sum = -32768;
-   *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-   pcm += 2;
-
-/*-- last 3 --*/
-   coef = iwincoef + (111 - 3 * 7);	/* back pass through coefs */
-   si = (si + (128 - 3 * 16 + 2 * 16 - 1)) & 127;
-   bx = (bx + (16 + 3 * 16 + 2 * 16 + 1)) & 127;
-   for (i = 0; i < 3; i++)
-   {
-      sum = WINMULT(vbuf[si], (*coef--));
-      for (j = 0; j < 3; j++)
-      {
-	 si = (si + 16) & 127;
-	 sum += WINMULT(vbuf[bx], (*coef--));
-	 bx = (bx + 16) & 127;
-	 sum += WINMULT(vbuf[si], (*coef--));
-      }
-      si = (si + (16 - 1 + 4 * 16)) & 127;
-      bx = (bx + (5 * 16 + 1)) & 127;
-      coef -= (3 * 7);
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-}
-/*------------------------------------------------------------*/
-/*--------------- 8 pt dual window (interleaved output) --------------*/
-void i_windowB8_dual_right(WININT * vbuf, int vb_ptr, unsigned char *pcm)
-{
-   int i, j;
-   unsigned int si, bx;
-   WINCOEF *coef;
-   INT32 sum;
-
-/* right identical to dual, for asm */
-
-/*-- first 4 --*/
-   si = (vb_ptr + (4 + 3 * 16)) & 127;
-   bx = (si + (8 + 128 - 3 * 16 + 2 * 16)) & 127;
-   coef = iwincoef;
-   for (i = 0; i < 4; i++)
-   {
-      sum = -WINMULT(vbuf[bx], (*coef++));
-      for (j = 0; j < 3; j++)
-      {
-	 bx = (bx + 16) & 127;
-	 sum += WINMULT(vbuf[si], (*coef++));
-	 si = (si + 16) & 127;
-	 sum -= WINMULT(vbuf[bx], (*coef++));
-      }
-      si = (si + (5 * 16 + 1)) & 127;
-      bx = (bx + (16 + 4 * 16 - 1)) & 127;
-      coef += (3 * 7);
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-/*--  special case --*/
-   bx = (bx + (128 - 16)) & 127;
-   sum = WINMULT(vbuf[bx], (*coef++));
-   for (j = 0; j < 3; j++)
-   {
-      bx = (bx + 16) & 127;
-      sum += WINMULT(vbuf[bx], (*coef++));
-   }
-   sum >>= WINBITS;
-   if (sum > 32767)
-      sum = 32767;
-   else if (sum < -32768)
-      sum = -32768;
-   *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-   pcm += 2;
-
-/*-- last 3 --*/
-   coef = iwincoef + (111 - 3 * 7);	/* back pass through coefs */
-   si = (si + (128 - 3 * 16 + 2 * 16 - 1)) & 127;
-   bx = (bx + (16 + 3 * 16 + 2 * 16 + 1)) & 127;
-   for (i = 0; i < 3; i++)
-   {
-      sum = WINMULT(vbuf[si], (*coef--));
-      for (j = 0; j < 3; j++)
-      {
-	 si = (si + 16) & 127;
-	 sum += WINMULT(vbuf[bx], (*coef--));
-	 bx = (bx + 16) & 127;
-	 sum += WINMULT(vbuf[si], (*coef--));
-      }
-      si = (si + (16 - 1 + 4 * 16)) & 127;
-      bx = (bx + (5 * 16 + 1)) & 127;
-      coef -= (3 * 7);
-      sum >>= WINBITS;
-      if (sum > 32767)
-	 sum = 32767;
-      else if (sum < -32768)
-	 sum = -32768;
-      *pcm = (unsigned char) ((sum >> 8) ^ 0x80);
-      pcm += 2;
-   }
-}
-/*--------------------------------------------------------*/