avcodec: Remove broken MMI optimizations

The code fails to compile and is broken beyond repair.

1 files changed, 0 insertions, 87 deletions

diff --git a/libavcodec/mips/mpegvideo_mmi.c b/libavcodec/mips/mpegvideo_mmi.c
deleted file mode 100644
index 46239f7ba5..0000000000
--- a/libavcodec/mips/mpegvideo_mmi.c
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (c) 2000,2001 Fabrice Bellard
- *
- * MMI optimization by Leon van Stuivenberg
- *
- * This file is part of Libav.
- *
- * Libav 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.
- *
- * Libav 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 Libav; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "libavcodec/avcodec.h"
-#include "libavcodec/dsputil.h"
-#include "libavcodec/mpegvideo.h"
-
-static void dct_unquantize_h263_mmi(MpegEncContext *s,
-                                  DCTELEM *block, int n, int qscale)
-{
-    int level=0, qmul, qadd;
-    int nCoeffs;
-
-    assert(s->block_last_index[n]>=0);
-
-    qadd = (qscale - 1) | 1;
-    qmul = qscale << 1;
-
-    if (s->mb_intra) {
-        if (!s->h263_aic) {
-            if (n < 4)
-                level = block[0] * s->y_dc_scale;
-            else
-                level = block[0] * s->c_dc_scale;
-        }else {
-            qadd = 0;
-            level = block[0];
-        }
-        nCoeffs= 63; //does not always use zigzag table
-    } else {
-        nCoeffs= s->intra_scantable.raster_end[ s->block_last_index[n] ];
-    }
-
-    __asm__ volatile(
-        "add    $14, $0, %3     \n\t"
-        "pcpyld $8, %0, %0      \n\t"
-        "pcpyh  $8, $8          \n\t"   //r8 = qmul
-        "pcpyld $9, %1, %1      \n\t"
-        "pcpyh  $9, $9          \n\t"   //r9 = qadd
-        ".p2align 2             \n\t"
-        "1:                     \n\t"
-        "lq     $10, 0($14)     \n\t"   //r10 = level
-        "addi   $14, $14, 16    \n\t"   //block+=8
-        "addi   %2, %2, -8      \n\t"
-        "pcgth  $11, $0, $10    \n\t"   //r11 = level < 0 ? -1 : 0
-        "pcgth  $12, $10, $0    \n\t"   //r12 = level > 0 ? -1 : 0
-        "por    $12, $11, $12   \n\t"
-        "pmulth $10, $10, $8    \n\t"
-        "paddh  $13, $9, $11    \n\t"
-        "pxor   $13, $13, $11   \n\t"   //r13 = level < 0 ? -qadd : qadd
-        "pmfhl.uw $11           \n\t"
-        "pinteh $10, $11, $10   \n\t"   //r10 = level * qmul
-        "paddh  $10, $10, $13   \n\t"
-        "pand   $10, $10, $12   \n\t"
-        "sq     $10, -16($14)   \n\t"
-        "bgez   %2, 1b          \n\t"
-        :: "r"(qmul), "r" (qadd), "r" (nCoeffs), "r" (block) : "$8", "$9", "$10", "$11", "$12", "$13", "$14", "memory" );
-
-    if(s->mb_intra)
-        block[0]= level;
-}
-
-
-void ff_MPV_common_init_mmi(MpegEncContext *s)
-{
-    s->dct_unquantize_h263_intra =
-    s->dct_unquantize_h263_inter = dct_unquantize_h263_mmi;
-}