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-rw-r--r--apps/codecs/libwmavoice/acelp_vectors.c270
1 files changed, 0 insertions, 270 deletions
diff --git a/apps/codecs/libwmavoice/acelp_vectors.c b/apps/codecs/libwmavoice/acelp_vectors.c
deleted file mode 100644
index e41e5facb6..0000000000
--- a/apps/codecs/libwmavoice/acelp_vectors.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/*
- * adaptive and fixed codebook vector operations for ACELP-based codecs
- *
- * 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 "avcodec.h"
-#include "acelp_vectors.h"
-#include "celp_math.h"
-
-const uint8_t ff_fc_2pulses_9bits_track1[16] =
-{
- 1, 3,
- 6, 8,
- 11, 13,
- 16, 18,
- 21, 23,
- 26, 28,
- 31, 33,
- 36, 38
-};
-const uint8_t ff_fc_2pulses_9bits_track1_gray[16] =
-{
- 1, 3,
- 8, 6,
- 18, 16,
- 11, 13,
- 38, 36,
- 31, 33,
- 21, 23,
- 28, 26,
-};
-
-const uint8_t ff_fc_2pulses_9bits_track2_gray[32] =
-{
- 0, 2,
- 5, 4,
- 12, 10,
- 7, 9,
- 25, 24,
- 20, 22,
- 14, 15,
- 19, 17,
- 36, 31,
- 21, 26,
- 1, 6,
- 16, 11,
- 27, 29,
- 32, 30,
- 39, 37,
- 34, 35,
-};
-
-const uint8_t ff_fc_4pulses_8bits_tracks_13[16] =
-{
- 0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75,
-};
-
-const uint8_t ff_fc_4pulses_8bits_track_4[32] =
-{
- 3, 4,
- 8, 9,
- 13, 14,
- 18, 19,
- 23, 24,
- 28, 29,
- 33, 34,
- 38, 39,
- 43, 44,
- 48, 49,
- 53, 54,
- 58, 59,
- 63, 64,
- 68, 69,
- 73, 74,
- 78, 79,
-};
-
-#if 0
-static uint8_t gray_decode[32] =
-{
- 0, 1, 3, 2, 7, 6, 4, 5,
- 15, 14, 12, 13, 8, 9, 11, 10,
- 31, 30, 28, 29, 24, 25, 27, 26,
- 16, 17, 19, 18, 23, 22, 20, 21
-};
-#endif
-
-const float ff_pow_0_7[10] = {
- 0.700000, 0.490000, 0.343000, 0.240100, 0.168070,
- 0.117649, 0.082354, 0.057648, 0.040354, 0.028248
-};
-
-const float ff_pow_0_75[10] = {
- 0.750000, 0.562500, 0.421875, 0.316406, 0.237305,
- 0.177979, 0.133484, 0.100113, 0.075085, 0.056314
-};
-
-const float ff_pow_0_55[10] = {
- 0.550000, 0.302500, 0.166375, 0.091506, 0.050328,
- 0.027681, 0.015224, 0.008373, 0.004605, 0.002533
-};
-
-const float ff_b60_sinc[61] = {
- 0.898529 , 0.865051 , 0.769257 , 0.624054 , 0.448639 , 0.265289 ,
- 0.0959167 , -0.0412598 , -0.134338 , -0.178986 , -0.178528 , -0.142609 ,
--0.0849304 , -0.0205078 , 0.0369568 , 0.0773926 , 0.0955200 , 0.0912781 ,
- 0.0689392 , 0.0357056 , 0. , -0.0305481 , -0.0504150 , -0.0570068 ,
--0.0508423 , -0.0350037 , -0.0141602 , 0.00665283, 0.0230713 , 0.0323486 ,
- 0.0335388 , 0.0275879 , 0.0167847 , 0.00411987, -0.00747681, -0.0156860 ,
--0.0193481 , -0.0183716 , -0.0137634 , -0.00704956, 0. , 0.00582886 ,
- 0.00939941, 0.0103760 , 0.00903320, 0.00604248, 0.00238037, -0.00109863 ,
--0.00366211, -0.00497437, -0.00503540, -0.00402832, -0.00241089, -0.000579834,
- 0.00103760, 0.00222778, 0.00277710, 0.00271606, 0.00213623, 0.00115967 ,
- 0.
-};
-
-void ff_acelp_fc_pulse_per_track(
- int16_t* fc_v,
- const uint8_t *tab1,
- const uint8_t *tab2,
- int pulse_indexes,
- int pulse_signs,
- int pulse_count,
- int bits)
-{
- int mask = (1 << bits) - 1;
- int i;
-
- for(i=0; i<pulse_count; i++)
- {
- fc_v[i + tab1[pulse_indexes & mask]] +=
- (pulse_signs & 1) ? 8191 : -8192; // +/-1 in (2.13)
-
- pulse_indexes >>= bits;
- pulse_signs >>= 1;
- }
-
- fc_v[tab2[pulse_indexes]] += (pulse_signs & 1) ? 8191 : -8192;
-}
-
-void ff_decode_10_pulses_35bits(const int16_t *fixed_index,
- AMRFixed *fixed_sparse,
- const uint8_t *gray_decode,
- int half_pulse_count, int bits)
-{
- int i;
- int mask = (1 << bits) - 1;
-
- fixed_sparse->no_repeat_mask = 0;
- fixed_sparse->n = 2 * half_pulse_count;
- for (i = 0; i < half_pulse_count; i++) {
- const int pos1 = gray_decode[fixed_index[2*i+1] & mask] + i;
- const int pos2 = gray_decode[fixed_index[2*i ] & mask] + i;
- const float sign = (fixed_index[2*i+1] & (1 << bits)) ? -1.0 : 1.0;
- fixed_sparse->x[2*i+1] = pos1;
- fixed_sparse->x[2*i ] = pos2;
- fixed_sparse->y[2*i+1] = sign;
- fixed_sparse->y[2*i ] = pos2 < pos1 ? -sign : sign;
- }
-}
-
-void ff_acelp_weighted_vector_sum(
- int16_t* out,
- const int16_t *in_a,
- const int16_t *in_b,
- int16_t weight_coeff_a,
- int16_t weight_coeff_b,
- int16_t rounder,
- int shift,
- int length)
-{
- int i;
-
- // Clipping required here; breaks OVERFLOW test.
- for(i=0; i<length; i++)
- out[i] = av_clip_int16((
- in_a[i] * weight_coeff_a +
- in_b[i] * weight_coeff_b +
- rounder) >> shift);
-}
-
-void ff_weighted_vector_sumf(float *out, const float *in_a, const float *in_b,
- float weight_coeff_a, float weight_coeff_b, int length)
-{
- int i;
-
- for(i=0; i<length; i++)
- out[i] = weight_coeff_a * in_a[i]
- + weight_coeff_b * in_b[i];
-}
-
-void ff_adaptive_gain_control(float *out, const float *in, float speech_energ,
- int size, float alpha, float *gain_mem)
-{
- int i;
- float postfilter_energ = ff_dot_productf(in, in, size);
- float gain_scale_factor = 1.0;
- float mem = *gain_mem;
-
- if (postfilter_energ)
- gain_scale_factor = sqrt(speech_energ / postfilter_energ);
-
- gain_scale_factor *= 1.0 - alpha;
-
- for (i = 0; i < size; i++) {
- mem = alpha * mem + gain_scale_factor;
- out[i] = in[i] * mem;
- }
-
- *gain_mem = mem;
-}
-
-void ff_scale_vector_to_given_sum_of_squares(float *out, const float *in,
- float sum_of_squares, const int n)
-{
- int i;
- float scalefactor = ff_dot_productf(in, in, n);
- if (scalefactor)
- scalefactor = sqrt(sum_of_squares / scalefactor);
- for (i = 0; i < n; i++)
- out[i] = in[i] * scalefactor;
-}
-
-void ff_set_fixed_vector(float *out, const AMRFixed *in, float scale, int size)
-{
- int i;
-
- for (i=0; i < in->n; i++) {
- int x = in->x[i], repeats = !((in->no_repeat_mask >> i) & 1);
- float y = in->y[i] * scale;
-
- do {
- out[x] += y;
- y *= in->pitch_fac;
- x += in->pitch_lag;
- } while (x < size && repeats);
- }
-}
-
-void ff_clear_fixed_vector(float *out, const AMRFixed *in, int size)
-{
- int i;
-
- for (i=0; i < in->n; i++) {
- int x = in->x[i], repeats = !((in->no_repeat_mask >> i) & 1);
-
- do {
- out[x] = 0.0;
- x += in->pitch_lag;
- } while (x < size && repeats);
- }
-}
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