Delete libFLAC - it has't been used since October 2005

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11716 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 0 insertions, 244 deletions

diff --git a/apps/codecs/libFLAC/coldfire.S b/apps/codecs/libFLAC/coldfire.S
deleted file mode 100644
index ad4b417..0000000
--- a/apps/codecs/libFLAC/coldfire.S
+++ /dev/null
@@ -1,244 +0,0 @@
-/***************************************************************************
- *             __________               __   ___.
- *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
- *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
- *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
- *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
- *                     \/            \/     \/    \/            \/
- * $Id$
- *
- * Copyright (C) 2005 by Thom Johansen 
- *
- * All files in this archive are subject to the GNU General Public License.
- * See the file COPYING in the source tree root for full license agreement.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ****************************************************************************/
- 
-/* The following is a first attempt at an assembler optimized version of
-   FLAC__lpc_restore_signal programmed for MCF5249 or any other similar
-   ColdFire V2 core with the EMAC unit.
- */
-    .text
-    .global FLAC__lpc_restore_signal_mcf5249
-    .align 2
-FLAC__lpc_restore_signal_mcf5249:
-    lea.l (-44, %sp), %sp
-    movem.l %d2-%d7/%a2-%a6, (%sp)
-    move.l (44+4, %sp), %a0  /* residual */
-    move.l (44+8, %sp), %d0  /* data_len */
-    move.l (44+12, %sp), %a1 /* qlp_coef */
-    move.l (44+16, %sp), %d2 /* order */
-    move.l (44+20, %sp), %d1 /* lp_quantization */
-    move.l (44+24, %sp), %a2 /* data */
-    /* the data pointer always lags behind history pointer by 'order' samples.
-       since we have one loop for each order, we can hard code this and free
-       a register by not saving data pointer. 
-     */
-    move.l %d2, %d3 
-    neg.l %d3 
-    lea.l (%a2, %d3.l*4), %a2 /* history */
-    clr.l %d3
-    move.l %d3, %macsr /* we'll need integer mode for this */
-    tst.l %d0          
-    jeq .exit         /* zero samples to process */
-    moveq.l #8, %d3
-    cmp.l %d3, %d2
-    jgt .default      /* order is over 8, jump to default case */
-    lea.l .jumptable, %a4
-    move.l (%a4, %d2.l*4), %a4
-    jmp (%a4)
-    .align 4           /* avoid unaligned fetch */
-.jumptable:
-    .long .exit
-    .long .order1
-    .long .order2
-    .long .order3
-    .long .order4
-    .long .order5
-    .long .order6
-    .long .order7
-    .long .order8
-
-.order8:
-    movem.l (%a1), %d3-%d7/%a3-%a5 /* load lpc coefs */
-    move.l (%a2)+, %a6             /* load first history sample */
-.loop8:
-    mac.l %a6, %a5, (%a2)+, %a6, %acc0
-    mac.l %a6, %a4, (%a2)+, %a6, %acc0
-    mac.l %a6, %a3, (%a2)+, %a6, %acc0
-    mac.l %a6, %d7, (%a2)+, %a6, %acc0
-    mac.l %a6, %d6, (%a2)+, %a6, %acc0
-    mac.l %a6, %d5, (%a2)+, %a6, %acc0
-    mac.l %a6, %d4, (%a2)+, %a6, %acc0
-    mac.l %a6, %d3, (-7*4, %a2), %a6, %acc0 /* load for the next iteration */
-    movclr.l %acc0, %d2    /* get sum */
-    asr.l %d1, %d2         /* shift sum by lp_quantization bits */
-    add.l (%a0)+, %d2      /* add residual and increment residual pointer */
-    move.l %d2, (%a2)      /* save result to data */
-    lea.l (-6*4, %a2), %a2 /* history pointer points at second element */
-    subq.l #1, %d0         /* decrement counter */
-    jne .loop8             /* are we done? */
-    jra .exit
-
-.order7:
-    movem.l (%a1), %d3-%d7/%a3-%a4
-    move.l (%a2)+, %a6
-.loop7:
-    mac.l %a6, %a4, (%a2)+, %a6, %acc0
-    mac.l %a6, %a3, (%a2)+, %a6, %acc0
-    mac.l %a6, %d7, (%a2)+, %a6, %acc0
-    mac.l %a6, %d6, (%a2)+, %a6, %acc0
-    mac.l %a6, %d5, (%a2)+, %a6, %acc0
-    mac.l %a6, %d4, (%a2)+, %a6, %acc0
-    mac.l %a6, %d3, (-6*4, %a2), %a6, %acc0
-    movclr.l %acc0, %d2
-    asr.l %d1, %d2
-    add.l (%a0)+, %d2
-    move.l %d2, (%a2)
-    lea.l (-5*4, %a2), %a2
-    subq.l #1, %d0
-    jne .loop7
-    jra .exit
-
-.order6:
-    movem.l (%a1), %d3-%d7/%a3
-    move.l (%a2)+, %a6
-.loop6:
-    mac.l %a6, %a3, (%a2)+, %a6, %acc0
-    mac.l %a6, %d7, (%a2)+, %a6, %acc0
-    mac.l %a6, %d6, (%a2)+, %a6, %acc0
-    mac.l %a6, %d5, (%a2)+, %a6, %acc0
-    mac.l %a6, %d4, (%a2)+, %a6, %acc0
-    mac.l %a6, %d3, (-5*4, %a2), %a6, %acc0
-    movclr.l %acc0, %d2
-    asr.l %d1, %d2
-    add.l (%a0)+, %d2
-    move.l %d2, (%a2)
-    lea.l (-4*4, %a2), %a2
-    subq.l #1, %d0
-    jne .loop6
-    jra .exit
-
-.order5:
-    movem.l (%a1), %d3-%d7
-    move.l (%a2)+, %a6
-.loop5:
-    mac.l %a6, %d7, (%a2)+, %a6, %acc0
-    mac.l %a6, %d6, (%a2)+, %a6, %acc0
-    mac.l %a6, %d5, (%a2)+, %a6, %acc0
-    mac.l %a6, %d4, (%a2)+, %a6, %acc0
-    mac.l %a6, %d3, (-4*4, %a2), %a6, %acc0
-    movclr.l %acc0, %d2
-    asr.l %d1, %d2
-    add.l (%a0)+, %d2
-    move.l %d2, (%a2)
-    lea.l (-3*4, %a2), %a2
-    subq.l #1, %d0
-    jne .loop5
-    jra .exit
-
-.order4:
-    movem.l (%a1), %d3-%d6
-    move.l (%a2)+, %a6
-.loop4:
-    mac.l %a6, %d6, (%a2)+, %a6, %acc0
-    mac.l %a6, %d5, (%a2)+, %a6, %acc0
-    mac.l %a6, %d4, (%a2)+, %a6, %acc0
-    mac.l %a6, %d3, (-3*4, %a2), %a6, %acc0
-    movclr.l %acc0, %d2
-    asr.l %d1, %d2
-    add.l (%a0)+, %d2
-    move.l %d2, (%a2)
-    subq.l #8, %a2
-    subq.l #1, %d0
-    jne .loop4
-    jra .exit
-
-.order3:
-    movem.l (%a1), %d3-%d5
-    move.l (%a2)+, %a6
-.loop3:
-    mac.l %a6, %d5, (%a2)+, %a6, %acc0
-    mac.l %a6, %d4, (%a2)+, %a6, %acc0
-    mac.l %a6, %d3, (-2*4, %a2), %a6, %acc0
-    movclr.l %acc0, %d2
-    asr.l %d1, %d2
-    add.l (%a0)+, %d2
-    move.l %d2, (%a2)
-    subq.l #4, %a2
-    subq.l #1, %d0
-    jne .loop3
-    jra .exit
-
-.order2:
-    movem.l (%a1), %d3-%d4
-    move.l (%a2)+, %a6
-.loop2:
-    mac.l %a6, %d4, (%a2)+, %a6, %acc0
-    mac.l %a6, %d3, %acc0 /* data for next iteration is already loaded */
-    movclr.l %acc0, %d2
-    asr.l %d1, %d2
-    add.l (%a0)+, %d2
-    move.l %d2, (%a2)
-    subq.l #1, %d0
-    jne .loop2
-    jra .exit
-
-.order1:
-    /* no point in using mac here */
-    move.l (%a1), %d3
-.loop1:
-    move.l %d3, %d2
-    muls.l (%a2)+, %d2
-    asr.l %d1, %d2
-    add.l (%a0)+, %d2
-    move.l %d2, (%a2)
-    subq.l #1, %d0
-    jne .loop1
-    jra .exit
-    
-.default:
-    /* we do the filtering in an unrolled by 4 loop as far as we can, and then
-       do the rest in an ordinary one by one sample loop.
-     */
-    lea.l (%a1, %d2.l*4), %a3 /* need to start in the other end of coefs */
-    move.l %a2, %a4     /* working copy of history pointer */
-    move.l %d2, %d3
-    lsr.l #2, %d3       /* coefs/4, number of iterations needed in next loop */
-    move.l (%a4)+, %a6  /* preload lpc coef for loop */
-.dloop1:
-    lea.l (-16, %a3), %a3  /* move lpc coef pointer four samples backwards */
-    movem.l (%a3), %d4-%d7 /* load four coefs */
-    mac.l %a6, %d7, (%a4)+, %a6, %acc0
-    mac.l %a6, %d6, (%a4)+, %a6, %acc0
-    mac.l %a6, %d5, (%a4)+, %a6, %acc0
-    mac.l %a6, %d4, (%a4)+, %a6, %acc0
-    subq.l #1, %d3         /* any more unrolled loop operations left? */
-    jne .dloop1
-    
-    move.l %d2, %d3
-    moveq.l #3, %d4        /* mask 0x00000003 */
-    and.l %d4, %d3         /* get the remaining samples to be filtered */
-    jeq .dsave             /* no remaining samples */
-.dloop2:
-    move.l -(%a3), %d4     /* get lpc coef */
-    mac.l %a6, %d4, (%a4)+, %a6, %acc0
-    subq.l #1, %d3         /* any more iterations left? */
-    jne .dloop2
-.dsave:
-    movclr.l %acc0, %d3    /* get result */
-    asr.l %d1, %d3         /* shift lp_quantization bits right */
-    add.l (%a0)+, %d3      /* add residual */
-    move.l %d3, (-4, %a4)  /* history pointer is one sample past data pointer */
-    addq.l #4, %a2         /* increment history pointer */
-    subq.l #1, %d0         /* decrement data_len */
-    jne .default           /* are we done? */
-                           /* if so, fall through to exit */
-
-.exit:
-    movem.l (%sp), %d2-%d7/%a2-%a6
-    lea.l (44, %sp), %sp
-    rts