making act segmenter

1 files changed, 0 insertions, 126 deletions

diff --git a/ffmpeg1/libavcodec/celp_math.c b/ffmpeg1/libavcodec/celp_math.c
deleted file mode 100644
index a96b1ae..0000000
--- a/ffmpeg1/libavcodec/celp_math.c
+++ /dev/null
@@ -1,126 +0,0 @@
-/*
- * Various fixed-point math operations
- *
- * Copyright (c) 2008 Vladimir Voroshilov
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg 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.
- *
- * FFmpeg 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 FFmpeg; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include <inttypes.h>
-#include <limits.h>
-
-#include "libavutil/avassert.h"
-#include "avcodec.h"
-#include "mathops.h"
-#include "celp_math.h"
-#include "libavutil/common.h"
-
-static const uint16_t exp2a[]=
-{
-     0,  1435,  2901,  4400,  5931,  7496,  9096, 10730,
- 12400, 14106, 15850, 17632, 19454, 21315, 23216, 25160,
- 27146, 29175, 31249, 33368, 35534, 37747, 40009, 42320,
- 44682, 47095, 49562, 52082, 54657, 57289, 59979, 62727,
-};
-
-static const uint16_t exp2b[]=
-{
-     3,   712,  1424,  2134,  2845,  3557,  4270,  4982,
-  5696,  6409,  7124,  7839,  8554,  9270,  9986, 10704,
- 11421, 12138, 12857, 13576, 14295, 15014, 15734, 16455,
- 17176, 17898, 18620, 19343, 20066, 20790, 21514, 22238,
-};
-
-int ff_exp2(uint16_t power)
-{
-    unsigned int result= exp2a[power>>10] + 0x10000;
-
-    av_assert2(power <= 0x7fff);
-
-    result= (result<<3) + ((result*exp2b[(power>>5)&31])>>17);
-    return result + ((result*(power&31)*89)>>22);
-}
-
-/**
- * Table used to compute log2(x)
- *
- * tab_log2[i] = (1<<15) * log2(1 + i/32), i=0..32
- */
-static const uint16_t tab_log2[33] =
-{
-#ifdef G729_BITEXACT
-      0,   1455,   2866,   4236,   5568,   6863,   8124,   9352,
-  10549,  11716,  12855,  13967,  15054,  16117,  17156,  18172,
-  19167,  20142,  21097,  22033,  22951,  23852,  24735,  25603,
-  26455,  27291,  28113,  28922,  29716,  30497,  31266,  32023,  32767,
-#else
-      4,   1459,   2870,   4240,   5572,   6867,   8127,   9355,
-  10552,  11719,  12858,  13971,  15057,  16120,  17158,  18175,
-  19170,  20145,  21100,  22036,  22954,  23854,  24738,  25605,
-  26457,  27294,  28116,  28924,  29719,  30500,  31269,  32025,  32769,
-#endif
-};
-
-int ff_log2_q15(uint32_t value)
-{
-    uint8_t  power_int;
-    uint8_t  frac_x0;
-    uint16_t frac_dx;
-
-    // Stripping zeros from beginning
-    power_int = av_log2(value);
-    value <<= (31 - power_int);
-
-    // b31 is always non-zero now
-    frac_x0 = (value & 0x7c000000) >> 26; // b26-b31 and [32..63] -> [0..31]
-    frac_dx = (value & 0x03fff800) >> 11;
-
-    value = tab_log2[frac_x0];
-    value += (frac_dx * (tab_log2[frac_x0+1] - tab_log2[frac_x0])) >> 15;
-
-    return (power_int << 15) + value;
-}
-
-int64_t ff_dot_product(const int16_t *a, const int16_t *b, int length)
-{
-    int i;
-    int64_t sum = 0;
-
-    for (i = 0; i < length; i++)
-        sum += MUL16(a[i], b[i]);
-
-    return sum;
-}
-
-float ff_dot_productf(const float* a, const float* b, int length)
-{
-    float sum = 0;
-    int i;
-
-    for(i=0; i<length; i++)
-        sum += a[i] * b[i];
-
-    return sum;
-}
-
-void ff_celp_math_init(CELPMContext *c)
-{
-    c->dot_productf   = ff_dot_productf;
-
-    if(HAVE_MIPSFPU)
-        ff_celp_math_init_mips(c);
-}