From 55c3a4f617171ad1138df684cbafa570807bc6a9 Mon Sep 17 00:00:00 2001 From: Mohamed Naufal Basheer Date: Thu, 17 Mar 2011 23:56:50 +0100 Subject: G.723.1 demuxer and decoder Signed-off-by: Kostya Shishkov --- libavcodec/Makefile | 2 + libavcodec/allcodecs.c | 1 + libavcodec/g723_1.c | 1175 +++++++++++++++++++++++++++++++++++++++++++++ libavcodec/g723_1_data.h | 1194 ++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 2372 insertions(+) create mode 100644 libavcodec/g723_1.c create mode 100644 libavcodec/g723_1_data.h (limited to 'libavcodec') diff --git a/libavcodec/Makefile b/libavcodec/Makefile index c0a27567b5..b65e249c40 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -168,6 +168,8 @@ OBJS-$(CONFIG_FLIC_DECODER) += flicvideo.o OBJS-$(CONFIG_FOURXM_DECODER) += 4xm.o OBJS-$(CONFIG_FRAPS_DECODER) += fraps.o OBJS-$(CONFIG_FRWU_DECODER) += frwu.o +OBJS-$(CONFIG_G723_1_DECODER) += g723_1.o acelp_vectors.o \ + celp_filters.o celp_math.o OBJS-$(CONFIG_GIF_DECODER) += gifdec.o lzw.o OBJS-$(CONFIG_GIF_ENCODER) += gif.o lzwenc.o OBJS-$(CONFIG_GSM_DECODER) += gsmdec.o gsmdec_data.o msgsmdec.o diff --git a/libavcodec/allcodecs.c b/libavcodec/allcodecs.c index be67020f2b..7e7cee6ba2 100644 --- a/libavcodec/allcodecs.c +++ b/libavcodec/allcodecs.c @@ -262,6 +262,7 @@ void avcodec_register_all(void) REGISTER_DECODER (DSICINAUDIO, dsicinaudio); REGISTER_ENCDEC (EAC3, eac3); REGISTER_ENCDEC (FLAC, flac); + REGISTER_DECODER (G723_1, g723_1); REGISTER_DECODER (GSM, gsm); REGISTER_DECODER (GSM_MS, gsm_ms); REGISTER_DECODER (IAC, iac); diff --git a/libavcodec/g723_1.c b/libavcodec/g723_1.c new file mode 100644 index 0000000000..df14a46644 --- /dev/null +++ b/libavcodec/g723_1.c @@ -0,0 +1,1175 @@ +/* + * G.723.1 compatible decoder + * Copyright (c) 2006 Benjamin Larsson + * Copyright (c) 2010 Mohamed Naufal Basheer + * + * 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 + */ + +/** + * @file + * G.723.1 compatible decoder + */ + +#define BITSTREAM_READER_LE +#include "libavutil/audioconvert.h" +#include "libavutil/lzo.h" +#include "libavutil/opt.h" +#include "avcodec.h" +#include "get_bits.h" +#include "acelp_vectors.h" +#include "celp_filters.h" +#include "celp_math.h" +#include "lsp.h" +#include "g723_1_data.h" + +/** + * G723.1 frame types + */ +enum FrameType { + ACTIVE_FRAME, ///< Active speech + SID_FRAME, ///< Silence Insertion Descriptor frame + UNTRANSMITTED_FRAME +}; + +enum Rate { + RATE_6300, + RATE_5300 +}; + +/** + * G723.1 unpacked data subframe + */ +typedef struct { + int ad_cb_lag; ///< adaptive codebook lag + int ad_cb_gain; + int dirac_train; + int pulse_sign; + int grid_index; + int amp_index; + int pulse_pos; +} G723_1_Subframe; + +/** + * Pitch postfilter parameters + */ +typedef struct { + int index; ///< postfilter backward/forward lag + int16_t opt_gain; ///< optimal gain + int16_t sc_gain; ///< scaling gain +} PPFParam; + +typedef struct g723_1_context { + AVClass *class; + AVFrame frame; + + G723_1_Subframe subframe[4]; + enum FrameType cur_frame_type; + enum FrameType past_frame_type; + enum Rate cur_rate; + uint8_t lsp_index[LSP_BANDS]; + int pitch_lag[2]; + int erased_frames; + + int16_t prev_lsp[LPC_ORDER]; + int16_t prev_excitation[PITCH_MAX]; + int16_t excitation[PITCH_MAX + FRAME_LEN]; + int16_t synth_mem[LPC_ORDER]; + int16_t fir_mem[LPC_ORDER]; + int iir_mem[LPC_ORDER]; + + int random_seed; + int interp_index; + int interp_gain; + int sid_gain; + int cur_gain; + int reflection_coef; + int pf_gain; + int postfilter; + + int16_t audio[FRAME_LEN + LPC_ORDER]; +} G723_1_Context; + +static av_cold int g723_1_decode_init(AVCodecContext *avctx) +{ + G723_1_Context *p = avctx->priv_data; + + avctx->channel_layout = AV_CH_LAYOUT_MONO; + avctx->sample_fmt = AV_SAMPLE_FMT_S16; + avctx->channels = 1; + avctx->sample_rate = 8000; + p->pf_gain = 1 << 12; + + avcodec_get_frame_defaults(&p->frame); + avctx->coded_frame = &p->frame; + + memcpy(p->prev_lsp, dc_lsp, LPC_ORDER * sizeof(*p->prev_lsp)); + + return 0; +} + +/** + * Unpack the frame into parameters. + * + * @param p the context + * @param buf pointer to the input buffer + * @param buf_size size of the input buffer + */ +static int unpack_bitstream(G723_1_Context *p, const uint8_t *buf, + int buf_size) +{ + GetBitContext gb; + int ad_cb_len; + int temp, info_bits, i; + + init_get_bits(&gb, buf, buf_size * 8); + + /* Extract frame type and rate info */ + info_bits = get_bits(&gb, 2); + + if (info_bits == 3) { + p->cur_frame_type = UNTRANSMITTED_FRAME; + return 0; + } + + /* Extract 24 bit lsp indices, 8 bit for each band */ + p->lsp_index[2] = get_bits(&gb, 8); + p->lsp_index[1] = get_bits(&gb, 8); + p->lsp_index[0] = get_bits(&gb, 8); + + if (info_bits == 2) { + p->cur_frame_type = SID_FRAME; + p->subframe[0].amp_index = get_bits(&gb, 6); + return 0; + } + + /* Extract the info common to both rates */ + p->cur_rate = info_bits ? RATE_5300 : RATE_6300; + p->cur_frame_type = ACTIVE_FRAME; + + p->pitch_lag[0] = get_bits(&gb, 7); + if (p->pitch_lag[0] > 123) /* test if forbidden code */ + return -1; + p->pitch_lag[0] += PITCH_MIN; + p->subframe[1].ad_cb_lag = get_bits(&gb, 2); + + p->pitch_lag[1] = get_bits(&gb, 7); + if (p->pitch_lag[1] > 123) + return -1; + p->pitch_lag[1] += PITCH_MIN; + p->subframe[3].ad_cb_lag = get_bits(&gb, 2); + p->subframe[0].ad_cb_lag = 1; + p->subframe[2].ad_cb_lag = 1; + + for (i = 0; i < SUBFRAMES; i++) { + /* Extract combined gain */ + temp = get_bits(&gb, 12); + ad_cb_len = 170; + p->subframe[i].dirac_train = 0; + if (p->cur_rate == RATE_6300 && p->pitch_lag[i >> 1] < SUBFRAME_LEN - 2) { + p->subframe[i].dirac_train = temp >> 11; + temp &= 0x7FF; + ad_cb_len = 85; + } + p->subframe[i].ad_cb_gain = FASTDIV(temp, GAIN_LEVELS); + if (p->subframe[i].ad_cb_gain < ad_cb_len) { + p->subframe[i].amp_index = temp - p->subframe[i].ad_cb_gain * + GAIN_LEVELS; + } else { + return -1; + } + } + + p->subframe[0].grid_index = get_bits(&gb, 1); + p->subframe[1].grid_index = get_bits(&gb, 1); + p->subframe[2].grid_index = get_bits(&gb, 1); + p->subframe[3].grid_index = get_bits(&gb, 1); + + if (p->cur_rate == RATE_6300) { + skip_bits(&gb, 1); /* skip reserved bit */ + + /* Compute pulse_pos index using the 13-bit combined position index */ + temp = get_bits(&gb, 13); + p->subframe[0].pulse_pos = temp / 810; + + temp -= p->subframe[0].pulse_pos * 810; + p->subframe[1].pulse_pos = FASTDIV(temp, 90); + + temp -= p->subframe[1].pulse_pos * 90; + p->subframe[2].pulse_pos = FASTDIV(temp, 9); + p->subframe[3].pulse_pos = temp - p->subframe[2].pulse_pos * 9; + + p->subframe[0].pulse_pos = (p->subframe[0].pulse_pos << 16) + + get_bits(&gb, 16); + p->subframe[1].pulse_pos = (p->subframe[1].pulse_pos << 14) + + get_bits(&gb, 14); + p->subframe[2].pulse_pos = (p->subframe[2].pulse_pos << 16) + + get_bits(&gb, 16); + p->subframe[3].pulse_pos = (p->subframe[3].pulse_pos << 14) + + get_bits(&gb, 14); + + p->subframe[0].pulse_sign = get_bits(&gb, 6); + p->subframe[1].pulse_sign = get_bits(&gb, 5); + p->subframe[2].pulse_sign = get_bits(&gb, 6); + p->subframe[3].pulse_sign = get_bits(&gb, 5); + } else { /* 5300 bps */ + p->subframe[0].pulse_pos = get_bits(&gb, 12); + p->subframe[1].pulse_pos = get_bits(&gb, 12); + p->subframe[2].pulse_pos = get_bits(&gb, 12); + p->subframe[3].pulse_pos = get_bits(&gb, 12); + + p->subframe[0].pulse_sign = get_bits(&gb, 4); + p->subframe[1].pulse_sign = get_bits(&gb, 4); + p->subframe[2].pulse_sign = get_bits(&gb, 4); + p->subframe[3].pulse_sign = get_bits(&gb, 4); + } + + return 0; +} + +/** + * Bitexact implementation of sqrt(val/2). + */ +static int16_t square_root(int val) +{ + int16_t res = 0; + int16_t exp = 0x4000; + int i; + + for (i = 0; i < 14; i ++) { + int res_exp = res + exp; + if (val >= res_exp * res_exp << 1) + res += exp; + exp >>= 1; + } + return res; +} + +/** + * Calculate the number of left-shifts required for normalizing the input. + * + * @param num input number + * @param width width of the input, 16 bits(0) / 32 bits(1) + */ +static int normalize_bits(int num, int width) +{ + if (!num) + return 0; + if (num == -1) + return width; + if (num < 0) + num = ~num; + + return width - av_log2(num); +} + +/** + * Scale vector contents based on the largest of their absolutes. + */ +static int scale_vector(int16_t *vector, int length) +{ + int bits, scale, max = 0; + int i; + + + for (i = 0; i < length; i++) + max = FFMAX(max, FFABS(vector[i])); + + bits = normalize_bits(max, 15); + scale = (bits == 15) ? 0x7FFF : (1 << bits); + + for (i = 0; i < length; i++) + vector[i] = (vector[i] * scale) >> 4; + + return bits - 3; +} + +/** + * Perform inverse quantization of LSP frequencies. + * + * @param cur_lsp the current LSP vector + * @param prev_lsp the previous LSP vector + * @param lsp_index VQ indices + * @param bad_frame bad frame flag + */ +static void inverse_quant(int16_t *cur_lsp, int16_t *prev_lsp, + uint8_t *lsp_index, int bad_frame) +{ + int min_dist, pred; + int i, j, temp, stable; + + /* Check for frame erasure */ + if (!bad_frame) { + min_dist = 0x100; + pred = 12288; + } else { + min_dist = 0x200; + pred = 23552; + lsp_index[0] = lsp_index[1] = lsp_index[2] = 0; + } + + /* Get the VQ table entry corresponding to the transmitted index */ + cur_lsp[0] = lsp_band0[lsp_index[0]][0]; + cur_lsp[1] = lsp_band0[lsp_index[0]][1]; + cur_lsp[2] = lsp_band0[lsp_index[0]][2]; + cur_lsp[3] = lsp_band1[lsp_index[1]][0]; + cur_lsp[4] = lsp_band1[lsp_index[1]][1]; + cur_lsp[5] = lsp_band1[lsp_index[1]][2]; + cur_lsp[6] = lsp_band2[lsp_index[2]][0]; + cur_lsp[7] = lsp_band2[lsp_index[2]][1]; + cur_lsp[8] = lsp_band2[lsp_index[2]][2]; + cur_lsp[9] = lsp_band2[lsp_index[2]][3]; + + /* Add predicted vector & DC component to the previously quantized vector */ + for (i = 0; i < LPC_ORDER; i++) { + temp = ((prev_lsp[i] - dc_lsp[i]) * pred + (1 << 14)) >> 15; + cur_lsp[i] += dc_lsp[i] + temp; + } + + for (i = 0; i < LPC_ORDER; i++) { + cur_lsp[0] = FFMAX(cur_lsp[0], 0x180); + cur_lsp[LPC_ORDER - 1] = FFMIN(cur_lsp[LPC_ORDER - 1], 0x7e00); + + /* Stability check */ + for (j = 1; j < LPC_ORDER; j++) { + temp = min_dist + cur_lsp[j - 1] - cur_lsp[j]; + if (temp > 0) { + temp >>= 1; + cur_lsp[j - 1] -= temp; + cur_lsp[j] += temp; + } + } + stable = 1; + for (j = 1; j < LPC_ORDER; j++) { + temp = cur_lsp[j - 1] + min_dist - cur_lsp[j] - 4; + if (temp > 0) { + stable = 0; + break; + } + } + if (stable) + break; + } + if (!stable) + memcpy(cur_lsp, prev_lsp, LPC_ORDER * sizeof(*cur_lsp)); +} + +/** + * Bitexact implementation of 2ab scaled by 1/2^16. + * + * @param a 32 bit multiplicand + * @param b 16 bit multiplier + */ +#define MULL2(a, b) \ + ((((a) >> 16) * (b) << 1) + (((a) & 0xffff) * (b) >> 15)) + +/** + * Convert LSP frequencies to LPC coefficients. + * + * @param lpc buffer for LPC coefficients + */ +static void lsp2lpc(int16_t *lpc) +{ + int f1[LPC_ORDER / 2 + 1]; + int f2[LPC_ORDER / 2 + 1]; + int i, j; + + /* Calculate negative cosine */ + for (j = 0; j < LPC_ORDER; j++) { + int index = lpc[j] >> 7; + int offset = lpc[j] & 0x7f; + int64_t temp1 = cos_tab[index] << 16; + int temp2 = (cos_tab[index + 1] - cos_tab[index]) * + ((offset << 8) + 0x80) << 1; + + lpc[j] = -(av_clipl_int32(((temp1 + temp2) << 1) + (1 << 15)) >> 16); + } + + /* + * Compute sum and difference polynomial coefficients + * (bitexact alternative to lsp2poly() in lsp.c) + */ + /* Initialize with values in Q28 */ + f1[0] = 1 << 28; + f1[1] = (lpc[0] << 14) + (lpc[2] << 14); + f1[2] = lpc[0] * lpc[2] + (2 << 28); + + f2[0] = 1 << 28; + f2[1] = (lpc[1] << 14) + (lpc[3] << 14); + f2[2] = lpc[1] * lpc[3] + (2 << 28); + + /* + * Calculate and scale the coefficients by 1/2 in + * each iteration for a final scaling factor of Q25 + */ + for (i = 2; i < LPC_ORDER / 2; i++) { + f1[i + 1] = f1[i - 1] + MULL2(f1[i], lpc[2 * i]); + f2[i + 1] = f2[i - 1] + MULL2(f2[i], lpc[2 * i + 1]); + + for (j = i; j >= 2; j--) { + f1[j] = MULL2(f1[j - 1], lpc[2 * i]) + + (f1[j] >> 1) + (f1[j - 2] >> 1); + f2[j] = MULL2(f2[j - 1], lpc[2 * i + 1]) + + (f2[j] >> 1) + (f2[j - 2] >> 1); + } + + f1[0] >>= 1; + f2[0] >>= 1; + f1[1] = ((lpc[2 * i] << 16 >> i) + f1[1]) >> 1; + f2[1] = ((lpc[2 * i + 1] << 16 >> i) + f2[1]) >> 1; + } + + /* Convert polynomial coefficients to LPC coefficients */ + for (i = 0; i < LPC_ORDER / 2; i++) { + int64_t ff1 = f1[i + 1] + f1[i]; + int64_t ff2 = f2[i + 1] - f2[i]; + + lpc[i] = av_clipl_int32(((ff1 + ff2) << 3) + (1 << 15)) >> 16; + lpc[LPC_ORDER - i - 1] = av_clipl_int32(((ff1 - ff2) << 3) + + (1 << 15)) >> 16; + } +} + +/** + * Quantize LSP frequencies by interpolation and convert them to + * the corresponding LPC coefficients. + * + * @param lpc buffer for LPC coefficients + * @param cur_lsp the current LSP vector + * @param prev_lsp the previous LSP vector + */ +static void lsp_interpolate(int16_t *lpc, int16_t *cur_lsp, int16_t *prev_lsp) +{ + int i; + int16_t *lpc_ptr = lpc; + + /* cur_lsp * 0.25 + prev_lsp * 0.75 */ + ff_acelp_weighted_vector_sum(lpc, cur_lsp, prev_lsp, + 4096, 12288, 1 << 13, 14, LPC_ORDER); + ff_acelp_weighted_vector_sum(lpc + LPC_ORDER, cur_lsp, prev_lsp, + 8192, 8192, 1 << 13, 14, LPC_ORDER); + ff_acelp_weighted_vector_sum(lpc + 2 * LPC_ORDER, cur_lsp, prev_lsp, + 12288, 4096, 1 << 13, 14, LPC_ORDER); + memcpy(lpc + 3 * LPC_ORDER, cur_lsp, LPC_ORDER * sizeof(*lpc)); + + for (i = 0; i < SUBFRAMES; i++) { + lsp2lpc(lpc_ptr); + lpc_ptr += LPC_ORDER; + } +} + +/** + * Generate a train of dirac functions with period as pitch lag. + */ +static void gen_dirac_train(int16_t *buf, int pitch_lag) +{ + int16_t vector[SUBFRAME_LEN]; + int i, j; + + memcpy(vector, buf, SUBFRAME_LEN * sizeof(*vector)); + for (i = pitch_lag; i < SUBFRAME_LEN; i += pitch_lag) { + for (j = 0; j < SUBFRAME_LEN - i; j++) + buf[i + j] += vector[j]; + } +} + +/** + * Generate fixed codebook excitation vector. + * + * @param vector decoded excitation vector + * @param subfrm current subframe + * @param cur_rate current bitrate + * @param pitch_lag closed loop pitch lag + * @param index current subframe index + */ +static void gen_fcb_excitation(int16_t *vector, G723_1_Subframe subfrm, + enum Rate cur_rate, int pitch_lag, int index) +{ + int temp, i, j; + + memset(vector, 0, SUBFRAME_LEN * sizeof(*vector)); + + if (cur_rate == RATE_6300) { + if (subfrm.pulse_pos >= max_pos[index]) + return; + + /* Decode amplitudes and positions */ + j = PULSE_MAX - pulses[index]; + temp = subfrm.pulse_pos; + for (i = 0; i < SUBFRAME_LEN / GRID_SIZE; i++) { + temp -= combinatorial_table[j][i]; + if (temp >= 0) + continue; + temp += combinatorial_table[j++][i]; + if (subfrm.pulse_sign & (1 << (PULSE_MAX - j))) { + vector[subfrm.grid_index + GRID_SIZE * i] = + -fixed_cb_gain[subfrm.amp_index]; + } else { + vector[subfrm.grid_index + GRID_SIZE * i] = + fixed_cb_gain[subfrm.amp_index]; + } + if (j == PULSE_MAX) + break; + } + if (subfrm.dirac_train == 1) + gen_dirac_train(vector, pitch_lag); + } else { /* 5300 bps */ + int cb_gain = fixed_cb_gain[subfrm.amp_index]; + int cb_shift = subfrm.grid_index; + int cb_sign = subfrm.pulse_sign; + int cb_pos = subfrm.pulse_pos; + int offset, beta, lag; + + for (i = 0; i < 8; i += 2) { + offset = ((cb_pos & 7) << 3) + cb_shift + i; + vector[offset] = (cb_sign & 1) ? cb_gain : -cb_gain; + cb_pos >>= 3; + cb_sign >>= 1; + } + + /* Enhance harmonic components */ + lag = pitch_contrib[subfrm.ad_cb_gain << 1] + pitch_lag + + subfrm.ad_cb_lag - 1; + beta = pitch_contrib[(subfrm.ad_cb_gain << 1) + 1]; + + if (lag < SUBFRAME_LEN - 2) { + for (i = lag; i < SUBFRAME_LEN; i++) + vector[i] += beta * vector[i - lag] >> 15; + } + } +} + +/** + * Get delayed contribution from the previous excitation vector. + */ +static void get_residual(int16_t *residual, int16_t *prev_excitation, int lag) +{ + int offset = PITCH_MAX - PITCH_ORDER / 2 - lag; + int i; + + residual[0] = prev_excitation[offset]; + residual[1] = prev_excitation[offset + 1]; + + offset += 2; + for (i = 2; i < SUBFRAME_LEN + PITCH_ORDER - 1; i++) + residual[i] = prev_excitation[offset + (i - 2) % lag]; +} + +static int dot_product(const int16_t *a, const int16_t *b, int length, + int shift) +{ + int i, sum = 0; + + for (i = 0; i < length; i++) { + int64_t prod = av_clipl_int32(MUL64(a[i], b[i]) << shift); + sum = av_clipl_int32(sum + prod); + } + return sum; +} + +/** + * Generate adaptive codebook excitation. + */ +static void gen_acb_excitation(int16_t *vector, int16_t *prev_excitation, + int pitch_lag, G723_1_Subframe subfrm, + enum Rate cur_rate) +{ + int16_t residual[SUBFRAME_LEN + PITCH_ORDER - 1]; + const int16_t *cb_ptr; + int lag = pitch_lag + subfrm.ad_cb_lag - 1; + + int i; + int64_t sum; + + get_residual(residual, prev_excitation, lag); + + /* Select quantization table */ + if (cur_rate == RATE_6300 && pitch_lag < SUBFRAME_LEN - 2) + cb_ptr = adaptive_cb_gain85; + else + cb_ptr = adaptive_cb_gain170; + + /* Calculate adaptive vector */ + cb_ptr += subfrm.ad_cb_gain * 20; + for (i = 0; i < SUBFRAME_LEN; i++) { + sum = dot_product(residual + i, cb_ptr, PITCH_ORDER, 1); + vector[i] = av_clipl_int32((sum << 1) + (1 << 15)) >> 16; + } +} + +/** + * Estimate maximum auto-correlation around pitch lag. + * + * @param p the context + * @param offset offset of the excitation vector + * @param ccr_max pointer to the maximum auto-correlation + * @param pitch_lag decoded pitch lag + * @param length length of autocorrelation + * @param dir forward lag(1) / backward lag(-1) + */ +static int autocorr_max(G723_1_Context *p, int offset, int *ccr_max, + int pitch_lag, int length, int dir) +{ + int limit, ccr, lag = 0; + int16_t *buf = p->excitation + offset; + int i; + + pitch_lag = FFMIN(PITCH_MAX - 3, pitch_lag); + limit = FFMIN(FRAME_LEN + PITCH_MAX - offset - length, pitch_lag + 3); + + for (i = pitch_lag - 3; i <= limit; i++) { + ccr = dot_product(buf, buf + dir * i, length, 1); + + if (ccr > *ccr_max) { + *ccr_max = ccr; + lag = i; + } + } + return lag; +} + +/** + * Calculate pitch postfilter optimal and scaling gains. + * + * @param lag pitch postfilter forward/backward lag + * @param ppf pitch postfilter parameters + * @param cur_rate current bitrate + * @param tgt_eng target energy + * @param ccr cross-correlation + * @param res_eng residual energy + */ +static void comp_ppf_gains(int lag, PPFParam *ppf, enum Rate cur_rate, + int tgt_eng, int ccr, int res_eng) +{ + int pf_residual; /* square of postfiltered residual */ + int64_t temp1, temp2; + + ppf->index = lag; + + temp1 = tgt_eng * res_eng >> 1; + temp2 = ccr * ccr << 1; + + if (temp2 > temp1) { + if (ccr >= res_eng) { + ppf->opt_gain = ppf_gain_weight[cur_rate]; + } else { + ppf->opt_gain = (ccr << 15) / res_eng * + ppf_gain_weight[cur_rate] >> 15; + } + /* pf_res^2 = tgt_eng + 2*ccr*gain + res_eng*gain^2 */ + temp1 = (tgt_eng << 15) + (ccr * ppf->opt_gain << 1); + temp2 = (ppf->opt_gain * ppf->opt_gain >> 15) * res_eng; + pf_residual = av_clipl_int32(temp1 + temp2 + (1 << 15)) >> 16; + + if (tgt_eng >= pf_residual << 1) { + temp1 = 0x7fff; + } else { + temp1 = (tgt_eng << 14) / pf_residual; + } + + /* scaling_gain = sqrt(tgt_eng/pf_res^2) */ + ppf->sc_gain = square_root(temp1 << 16); + } else { + ppf->opt_gain = 0; + ppf->sc_gain = 0x7fff; + } + + ppf->opt_gain = av_clip_int16(ppf->opt_gain * ppf->sc_gain >> 15); +} + +/** + * Calculate pitch postfilter parameters. + * + * @param p the context + * @param offset offset of the excitation vector + * @param pitch_lag decoded pitch lag + * @param ppf pitch postfilter parameters + * @param cur_rate current bitrate + */ +static void comp_ppf_coeff(G723_1_Context *p, int offset, int pitch_lag, + PPFParam *ppf, enum Rate cur_rate) +{ + + int16_t scale; + int i; + int64_t temp1, temp2; + + /* + * 0 - target energy + * 1 - forward cross-correlation + * 2 - forward residual energy + * 3 - backward cross-correlation + * 4 - backward residual energy + */ + int energy[5] = {0, 0, 0, 0, 0}; + int16_t *buf = p->excitation + offset; + int fwd_lag = autocorr_max(p, offset, &energy[1], pitch_lag, + SUBFRAME_LEN, 1); + int back_lag = autocorr_max(p, offset, &energy[3], pitch_lag, + SUBFRAME_LEN, -1); + + ppf->index = 0; + ppf->opt_gain = 0; + ppf->sc_gain = 0x7fff; + + /* Case 0, Section 3.6 */ + if (!back_lag && !fwd_lag) + return; + + /* Compute target energy */ + energy[0] = dot_product(buf, buf, SUBFRAME_LEN, 1); + + /* Compute forward residual energy */ + if (fwd_lag) + energy[2] = dot_product(buf + fwd_lag, buf + fwd_lag, + SUBFRAME_LEN, 1); + + /* Compute backward residual energy */ + if (back_lag) + energy[4] = dot_product(buf - back_lag, buf - back_lag, + SUBFRAME_LEN, 1); + + /* Normalize and shorten */ + temp1 = 0; + for (i = 0; i < 5; i++) + temp1 = FFMAX(energy[i], temp1); + + scale = normalize_bits(temp1, 31); + for (i = 0; i < 5; i++) + energy[i] = (energy[i] << scale) >> 16; + + if (fwd_lag && !back_lag) { /* Case 1 */ + comp_ppf_gains(fwd_lag, ppf, cur_rate, energy[0], energy[1], + energy[2]); + } else if (!fwd_lag) { /* Case 2 */ + comp_ppf_gains(-back_lag, ppf, cur_rate, energy[0], energy[3], + energy[4]); + } else { /* Case 3 */ + + /* + * Select the largest of energy[1]^2/energy[2] + * and energy[3]^2/energy[4] + */ + temp1 = energy[4] * ((energy[1] * energy[1] + (1 << 14)) >> 15); + temp2 = energy[2] * ((energy[3] * energy[3] + (1 << 14)) >> 15); + if (temp1 >= temp2) { + comp_ppf_gains(fwd_lag, ppf, cur_rate, energy[0], energy[1], + energy[2]); + } else { + comp_ppf_gains(-back_lag, ppf, cur_rate, energy[0], energy[3], + energy[4]); + } + } +} + +/** + * Classify frames as voiced/unvoiced. + * + * @param p the context + * @param pitch_lag decoded pitch_lag + * @param exc_eng excitation energy estimation + * @param scale scaling factor of exc_eng + * + * @return residual interpolation index if voiced, 0 otherwise + */ +static int comp_interp_index(G723_1_Context *p, int pitch_lag, + int *exc_eng, int *scale) +{ + int offset = PITCH_MAX + 2 * SUBFRAME_LEN; + int16_t *buf = p->excitation + offset; + + int index, ccr, tgt_eng, best_eng, temp; + + *scale = scale_vector(p->excitation, FRAME_LEN + PITCH_MAX); + + /* Compute maximum backward cross-correlation */ + ccr = 0; + index = autocorr_max(p, offset, &ccr, pitch_lag, SUBFRAME_LEN * 2, -1); + ccr = av_clipl_int32((int64_t)ccr + (1 << 15)) >> 16; + + /* Compute target energy */ + tgt_eng = dot_product(buf, buf, SUBFRAME_LEN * 2, 1); + *exc_eng = av_clipl_int32((int64_t)tgt_eng + (1 << 15)) >> 16; + + if (ccr <= 0) + return 0; + + /* Compute best energy */ + best_eng = dot_product(buf - index, buf - index, + SUBFRAME_LEN * 2, 1); + best_eng = av_clipl_int32((int64_t)best_eng + (1 << 15)) >> 16; + + temp = best_eng * *exc_eng >> 3; + + if (temp < ccr * ccr) + return index; + else + return 0; +} + +/** + * Peform residual interpolation based on frame classification. + * + * @param buf decoded excitation vector + * @param out output vector + * @param lag decoded pitch lag + * @param gain interpolated gain + * @param rseed seed for random number generator + */ +static void residual_interp(int16_t *buf, int16_t *out, int lag, + int gain, int *rseed) +{ + int i; + if (lag) { /* Voiced */ + int16_t *vector_ptr = buf + PITCH_MAX; + /* Attenuate */ + for (i = 0; i < lag; i++) + vector_ptr[i - lag] = vector_ptr[i - lag] * 3 >> 2; + av_memcpy_backptr((uint8_t*)vector_ptr, lag * sizeof(*vector_ptr), + FRAME_LEN * sizeof(*vector_ptr)); + memcpy(out, vector_ptr, FRAME_LEN * sizeof(*vector_ptr)); + } else { /* Unvoiced */ + for (i = 0; i < FRAME_LEN; i++) { + *rseed = *rseed * 521 + 259; + out[i] = gain * *rseed >> 15; + } + memset(buf, 0, (FRAME_LEN + PITCH_MAX) * sizeof(*buf)); + } +} + +/** + * Perform IIR filtering. + * + * @param fir_coef FIR coefficients + * @param iir_coef IIR coefficients + * @param src source vector + * @param dest destination vector + */ +static inline void iir_filter(int16_t *fir_coef, int16_t *iir_coef, + int16_t *src, int *dest) +{ + int m, n; + + for (m = 0; m < SUBFRAME_LEN; m++) { + int64_t filter = 0; + for (n = 1; n <= LPC_ORDER; n++) { + filter -= fir_coef[n - 1] * src[m - n] - + iir_coef[n - 1] * (dest[m - n] >> 16); + } + + dest[m] = av_clipl_int32((src[m] << 16) + (filter << 3) + (1 << 15)); + } +} + +/** + * Adjust gain of postfiltered signal. + * + * @param p the context + * @param buf postfiltered output vector + * @param energy input energy coefficient + */ +static void gain_scale(G723_1_Context *p, int16_t * buf, int energy) +{ + int num, denom, gain, bits1, bits2; + int i; + + num = energy; + denom = 0; + for (i = 0; i < SUBFRAME_LEN; i++) { + int64_t temp = buf[i] >> 2; + temp = av_clipl_int32(MUL64(temp, temp) << 1); + denom = av_clipl_int32(denom + temp); + } + + if (num && denom) { + bits1 = normalize_bits(num, 31); + bits2 = normalize_bits(denom, 31); + num = num << bits1 >> 1; + denom <<= bits2; + + bits2 = 5 + bits1 - bits2; + bits2 = FFMAX(0, bits2); + + gain = (num >> 1) / (denom >> 16); + gain = square_root(gain << 16 >> bits2); + } else { + gain = 1 << 12; + } + + for (i = 0; i < SUBFRAME_LEN; i++) { + p->pf_gain = ((p->pf_gain << 4) - p->pf_gain + gain + (1 << 3)) >> 4; + buf[i] = av_clip_int16((buf[i] * (p->pf_gain + (p->pf_gain >> 4)) + + (1 << 10)) >> 11); + } +} + +/** + * Perform formant filtering. + * + * @param p the context + * @param lpc quantized lpc coefficients + * @param buf output buffer + */ +static void formant_postfilter(G723_1_Context *p, int16_t *lpc, int16_t *buf) +{ + int16_t filter_coef[2][LPC_ORDER], *buf_ptr; + int filter_signal[LPC_ORDER + FRAME_LEN], *signal_ptr; + int i, j, k; + + memcpy(buf, p->fir_mem, LPC_ORDER * sizeof(*buf)); + memcpy(filter_signal, p->iir_mem, LPC_ORDER * sizeof(*filter_signal)); + + for (i = LPC_ORDER, j = 0; j < SUBFRAMES; i += SUBFRAME_LEN, j++) { + for (k = 0; k < LPC_ORDER; k++) { + filter_coef[0][k] = (-lpc[k] * postfilter_tbl[0][k] + + (1 << 14)) >> 15; + filter_coef[1][k] = (-lpc[k] * postfilter_tbl[1][k] + + (1 << 14)) >> 15; + } + iir_filter(filter_coef[0], filter_coef[1], buf + i, + filter_signal + i); + } + + memcpy(p->fir_mem, buf + FRAME_LEN, LPC_ORDER * sizeof(*p->fir_mem)); + memcpy(p->iir_mem, filter_signal + FRAME_LEN, + LPC_ORDER * sizeof(*p->iir_mem)); + + buf_ptr = buf + LPC_ORDER; + signal_ptr = filter_signal + LPC_ORDER; + for (i = 0; i < SUBFRAMES; i++) { + int16_t temp_vector[SUBFRAME_LEN]; + int16_t temp; + int auto_corr[2]; + int scale, energy; + + /* Normalize */ + memcpy(temp_vector, buf_ptr, SUBFRAME_LEN * sizeof(*temp_vector)); + scale = scale_vector(temp_vector, SUBFRAME_LEN); + + /* Compute auto correlation coefficients */ + auto_corr[0] = dot_product(temp_vector, temp_vector + 1, + SUBFRAME_LEN - 1, 1); + auto_corr[1] = dot_product(temp_vector, temp_vector, SUBFRAME_LEN, 1); + + /* Compute reflection coefficient */ + temp = auto_corr[1] >> 16; + if (temp) { + temp = (auto_corr[0] >> 2) / temp; + } + p->reflection_coef = ((p->reflection_coef << 2) - p->reflection_coef + + temp + 2) >> 2; + temp = (p->reflection_coef * 0xffffc >> 3) & 0xfffc; + + /* Compensation filter */ + for (j = 0; j < SUBFRAME_LEN; j++) { + buf_ptr[j] = av_clipl_int32(signal_ptr[j] + + ((signal_ptr[j - 1] >> 16) * + temp << 1)) >> 16; + } + + /* Compute normalized signal energy */ + temp = 2 * scale + 4; + if (temp < 0) { + energy = av_clipl_int32((int64_t)auto_corr[1] << -temp); + } else + energy = auto_corr[1] >> temp; + + gain_scale(p, buf_ptr, energy); + + buf_ptr += SUBFRAME_LEN; + signal_ptr += SUBFRAME_LEN; + } +} + +static int g723_1_decode_frame(AVCodecContext *avctx, void *data, + int *got_frame_ptr, AVPacket *avpkt) +{ + G723_1_Context *p = avctx->priv_data; + const uint8_t *buf = avpkt->data; + int buf_size = avpkt->size; + int dec_mode = buf[0] & 3; + + PPFParam ppf[SUBFRAMES]; + int16_t cur_lsp[LPC_ORDER]; + int16_t lpc[SUBFRAMES * LPC_ORDER]; + int16_t acb_vector[SUBFRAME_LEN]; + int16_t *vector_ptr; + int bad_frame = 0, i, j, ret; + + if (buf_size < frame_size[dec_mode]) { + if (buf_size) + av_log(avctx, AV_LOG_WARNING, + "Expected %d bytes, got %d - skipping packet\n", + frame_size[dec_mode], buf_size); + *got_frame_ptr = 0; + return buf_size; + } + + if (unpack_bitstream(p, buf, buf_size) < 0) { + bad_frame = 1; + if (p->past_frame_type == ACTIVE_FRAME) + p->cur_frame_type = ACTIVE_FRAME; + else + p->cur_frame_type = UNTRANSMITTED_FRAME; + } + + p->frame.nb_samples = FRAME_LEN; + if ((ret = avctx->get_buffer(avctx, &p->frame)) < 0) { + av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n"); + return ret; + } + + if (p->cur_frame_type == ACTIVE_FRAME) { + if (!bad_frame) + p->erased_frames = 0; + else if (p->erased_frames != 3) + p->erased_frames++; + + inverse_quant(cur_lsp, p->prev_lsp, p->lsp_index, bad_frame); + lsp_interpolate(lpc, cur_lsp, p->prev_lsp); + + /* Save the lsp_vector for the next frame */ + memcpy(p->prev_lsp, cur_lsp, LPC_ORDER * sizeof(*p->prev_lsp)); + + /* Generate the excitation for the frame */ + memcpy(p->excitation, p->prev_excitation, + PITCH_MAX * sizeof(*p->excitation)); + vector_ptr = p->excitation + PITCH_MAX; + if (!p->erased_frames) { + /* Update interpolation gain memory */ + p->interp_gain = fixed_cb_gain[(p->subframe[2].amp_index + + p->subframe[3].amp_index) >> 1]; + for (i = 0; i < SUBFRAMES; i++) { + gen_fcb_excitation(vector_ptr, p->subframe[i], p->cur_rate, + p->pitch_lag[i >> 1], i); + gen_acb_excitation(acb_vector, &p->excitation[SUBFRAME_LEN * i], + p->pitch_lag[i >> 1], p->subframe[i], + p->cur_rate); + /* Get the total excitation */ + for (j = 0; j < SUBFRAME_LEN; j++) { + vector_ptr[j] = av_clip_int16(vector_ptr[j] << 1); + vector_ptr[j] = av_clip_int16(vector_ptr[j] + + acb_vector[j]); + } + vector_ptr += SUBFRAME_LEN; + } + + vector_ptr = p->excitation + PITCH_MAX; + + /* Save the excitation */ + memcpy(p->audio, vector_ptr, FRAME_LEN * sizeof(*p->audio)); + + p->interp_index = comp_interp_index(p, p->pitch_lag[1], + &p->sid_gain, &p->cur_gain); + + if (p->postfilter) { + i = PITCH_MAX; + for (j = 0; j < SUBFRAMES; i += SUBFRAME_LEN, j++) + comp_ppf_coeff(p, i, p->pitch_lag[j >> 1], + ppf + j, p->cur_rate); + } + + /* Restore the original excitation */ + memcpy(p->excitation, p->prev_excitation, + PITCH_MAX * sizeof(*p->excitation)); + memcpy(vector_ptr, p->audio, FRAME_LEN * sizeof(*vector_ptr)); + + /* Peform pitch postfiltering */ + if (p->postfilter) + for (i = 0, j = 0; j < SUBFRAMES; i += SUBFRAME_LEN, j++) + ff_acelp_weighted_vector_sum(p->audio + LPC_ORDER + i, + vector_ptr + i, + vector_ptr + i + ppf[j].index, + ppf[j].sc_gain, + ppf[j].opt_gain, + 1 << 14, 15, SUBFRAME_LEN); + + } else { + p->interp_gain = (p->interp_gain * 3 + 2) >> 2; + if (p->erased_frames == 3) { + /* Mute output */ + memset(p->excitation, 0, + (FRAME_LEN + PITCH_MAX) * sizeof(*p->excitation)); + memset(p->frame.data[0], 0, + (FRAME_LEN + LPC_ORDER) * sizeof(int16_t)); + } else { + /* Regenerate frame */ + residual_interp(p->excitation, p->audio + LPC_ORDER, p->interp_index, + p->interp_gain, &p->random_seed); + } + } + /* Save the excitation for the next frame */ + memcpy(p->prev_excitation, p->excitation + FRAME_LEN, + PITCH_MAX * sizeof(*p->excitation)); + } else { + memset(p->frame.data[0], 0, FRAME_LEN * 2); + av_log(avctx, AV_LOG_WARNING, + "G.723.1: Comfort noise generation not supported yet\n"); + + *got_frame_ptr = 1; + *(AVFrame *)data = p->frame; + return frame_size[dec_mode]; + } + + p->past_frame_type = p->cur_frame_type; + + memcpy(p->audio, p->synth_mem, LPC_ORDER * sizeof(*p->audio)); + for (i = LPC_ORDER, j = 0; j < SUBFRAMES; i += SUBFRAME_LEN, j++) + ff_celp_lp_synthesis_filter(p->audio + i, &lpc[j * LPC_ORDER], + p->audio + i, SUBFRAME_LEN, LPC_ORDER, + 0, 1, 1 << 12); + memcpy(p->synth_mem, p->audio + FRAME_LEN, LPC_ORDER * sizeof(*p->audio)); + + if (p->postfilter) + formant_postfilter(p, lpc, p->audio); + + memcpy(p->frame.data[0], p->audio + LPC_ORDER, FRAME_LEN * 2); + + *got_frame_ptr = 1; + *(AVFrame *)data = p->frame; + + return frame_size[dec_mode]; +} + +#define OFFSET(x) offsetof(G723_1_Context, x) +#define AD AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM + +static const AVOption options[] = { + { "postfilter", "postfilter on/off", OFFSET(postfilter), AV_OPT_TYPE_INT, + { 1 }, 0, 1, AD }, + { NULL } +}; + + +static const AVClass g723_1dec_class = { + .class_name = "G.723.1 decoder", + .item_name = av_default_item_name, + .option = options, + .version = LIBAVUTIL_VERSION_INT, +}; + +AVCodec ff_g723_1_decoder = { + .name = "g723_1", + .type = AVMEDIA_TYPE_AUDIO, + .id = CODEC_ID_G723_1, + .priv_data_size = sizeof(G723_1_Context), + .init = g723_1_decode_init, + .decode = g723_1_decode_frame, + .long_name = NULL_IF_CONFIG_SMALL("G.723.1"), + .capabilities = CODEC_CAP_SUBFRAMES, + .priv_class = &g723_1dec_class, +}; diff --git a/libavcodec/g723_1_data.h b/libavcodec/g723_1_data.h new file mode 100644 index 0000000000..82446b3da0 --- /dev/null +++ b/libavcodec/g723_1_data.h @@ -0,0 +1,1194 @@ +/* + * G.723.1 compatible decoder data tables. + * Copyright (c) 2006 Benjamin Larsson + * Copyright (c) 2010 Mohamed Naufal Basheer + * + * 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 + */ + +/** + * @file + * G.723.1 compatible decoder data tables + */ + +#ifndef AVCODEC_G723_1_DATA_H +#define AVCODEC_G723_1_DATA_H + +#include + +#define SUBFRAMES 4 +#define SUBFRAME_LEN 60 +#define FRAME_LEN (SUBFRAME_LEN << 2) +#define LPC_ORDER 10 +#define LSP_BANDS 3 +#define LSP_CB_SIZE 256 +#define PITCH_MIN 18 +#define PITCH_MAX (PITCH_MIN + 127) +#define PITCH_ORDER 5 +#define GRID_SIZE 2 +#define PULSE_MAX 6 +#define GAIN_LEVELS 24 +#define COS_TBL_SIZE 512 + +static const uint8_t frame_size[4] = { 24, 20, 4, 1 }; + +/* Postfilter gain weighting factors scaled by 2^15 */ +static const int16_t ppf_gain_weight[2] = { 0x1800, 0x2000 }; + +/* LSP DC component */ +static const int16_t dc_lsp[LPC_ORDER] = { + 0x0c3b, 0x1271, 0x1e0a, 0x2a36, 0x3630, + 0x406f, 0x4d28, 0x56f4, 0x638c, 0x6c46 +}; + +/* Cosine table scaled by 2^14 */ +static const int16_t cos_tab[COS_TBL_SIZE] = { + 16384, 16383, 16379, 16373, 16364, 16353, 16340, 16324, + 16305, 16284, 16261, 16235, 16207, 16176, 16143, 16107, + 16069, 16029, 15986, 15941, 15893, 15843, 15791, 15736, + 15679, 15619, 15557, 15493, 15426, 15357, 15286, 15213, + 15137, 15059, 14978, 14896, 14811, 14724, 14635, 14543, + 14449, 14354, 14256, 14155, 14053, 13949, 13842, 13733, + 13623, 13510, 13395, 13279, 13160, 13039, 12916, 12792, + 12665, 12537, 12406, 12274, 12140, 12004, 11866, 11727, + 11585, 11442, 11297, 11151, 11003, 10853, 10702, 10549, + 10394, 10238, 10080, 9921, 9760, 9598, 9434, 9269, + 9102, 8935, 8765, 8595, 8423, 8250, 8076, 7900, + 7723, 7545, 7366, 7186, 7005, 6823, 6639, 6455, + 6270, 6084, 5897, 5708, 5520, 5330, 5139, 4948, + 4756, 4563, 4370, 4176, 3981, 3786, 3590, 3393, + 3196, 2999, 2801, 2603, 2404, 2205, 2006, 1806, + 1606, 1406, 1205, 1005, 804, 603, 402, 201, + 0, -201, -402, -603, -804, -1005, -1205, -1406, + -1606, -1806, -2006, -2205, -2404, -2603, -2801, -2999, + -3196, -3393, -3590, -3786, -3981, -4176, -4370, -4563, + -4756, -4948, -5139, -5330, -5520, -5708, -5897, -6084, + -6270, -6455, -6639, -6823, -7005, -7186, -7366, -7545, + -7723, -7900, -8076, -8250, -8423, -8595, -8765, -8935, + -9102, -9269, -9434, -9598, -9760, -9921, -10080, -10238, + -10394, -10549, -10702, -10853, -11003, -11151, -11297, -11442, + -11585, -11727, -11866, -12004, -12140, -12274, -12406, -12537, + -12665, -12792, -12916, -13039, -13160, -13279, -13395, -13510, + -13623, -13733, -13842, -13949, -14053, -14155, -14256, -14354, + -14449, -14543, -14635, -14724, -14811, -14896, -14978, -15059, + -15137, -15213, -15286, -15357, -15426, -15493, -15557, -15619, + -15679, -15736, -15791, -15843, -15893, -15941, -15986, -16029, + -16069, -16107, -16143, -16176, -16207, -16235, -16261, -16284, + -16305, -16324, -16340, -16353, -16364, -16373, -16379, -16383, + -16384, -16383, -16379, -16373, -16364, -16353, -16340, -16324, + -16305, -16284, -16261, -16235, -16207, -16176, -16143, -16107, + -16069, -16029, -15986, -15941, -15893, -15843, -15791, -15736, + -15679, -15619, -15557, -15493, -15426, -15357, -15286, -15213, + -15137, -15059, -14978, -14896, -14811, -14724, -14635, -14543, + -14449, -14354, -14256, -14155, -14053, -13949, -13842, -13733, + -13623, -13510, -13395, -13279, -13160, -13039, -12916, -12792, + -12665, -12537, -12406, -12274, -12140, -12004, -11866, -11727, + -11585, -11442, -11297, -11151, -11003, -10853, -10702, -10549, + -10394, -10238, -10080, -9921, -9760, -9598, -9434, -9269, + -9102, -8935, -8765, -8595, -8423, -8250, -8076, -7900, + -7723, -7545, -7366, -7186, -7005, -6823, -6639, -6455, + -6270, -6084, -5897, -5708, -5520, -5330, -5139, -4948, + -4756, -4563, -4370, -4176, -3981, -3786, -3590, -3393, + -3196, -2999, -2801, -2603, -2404, -2205, -2006, -1806, + -1606, -1406, -1205, -1005, -804, -603, -402, -201, + 0, 201, 402, 603, 804, 1005, 1205, 1406, + 1606, 1806, 2006, 2205, 2404, 2603, 2801, 2999, + 3196, 3393, 3590, 3786, 3981, 4176, 4370, 4563, + 4756, 4948, 5139, 5330, 5520, 5708, 5897, 6084, + 6270, 6455, 6639, 6823, 7005, 7186, 7366, 7545, + 7723, 7900, 8076, 8250, 8423, 8595, 8765, 8935, + 9102, 9269, 9434, 9598, 9760, 9921, 10080, 10238, + 10394, 10549, 10702, 10853, 11003, 11151, 11297, 11442, + 11585, 11727, 11866, 12004, 12140, 12274, 12406, 12537, + 12665, 12792, 12916, 13039, 13160, 13279, 13395, 13510, + 13623, 13733, 13842, 13949, 14053, 14155, 14256, 14354, + 14449, 14543, 14635, 14724, 14811, 14896, 14978, 15059, + 15137, 15213, 15286, 15357, 15426, 15493, 15557, 15619, + 15679, 15736, 15791, 15843, 15893, 15941, 15986, 16029, + 16069, 16107, 16143, 16176, 16207, 16235, 16261, 16284, + 16305, 16324, 16340, 16353, 16364, 16373, 16379, 16383, +}; + +/* LSP VQ tables */ +static const int16_t lsp_band0[LSP_CB_SIZE][3] = { + { 0, 0, 0}, { -270, -1372, -1032}, { -541, -1650, -1382}, + { -723, -2011, -2213}, { -941, -1122, -1942}, { -780, -1145, -2454}, + { -884, -1309, -1373}, {-1051, -1523, -1766}, {-1083, -1622, -2300}, + { -777, -1377, -2147}, { -935, -1467, -2763}, { -802, -1327, -3471}, + { -935, -1959, -3999}, { -240, -89, 222}, { -661, -257, -160}, + { -994, -466, -419}, { -188, -164, -278}, { -342, -512, -415}, + { -607, -511, -797}, { 16, 19, -716}, { 374, 425, -972}, + { -346, 245, -282}, { -265, 506, -754}, { -620, -147, 1955}, + { -742, -860, 2597}, { -150, -352, 2704}, { 305, 880, 1954}, + { 123, 731, 2766}, { -348, 765, 3327}, { 618, 221, 3258}, + { -178, -47, 4219}, { 393, 1304, 3842}, { 698, 1702, 4801}, + { 63, -584, 1229}, { -215, -732, 1704}, { 172, -335, 1909}, + { -2, 216, 1797}, { 353, 127, 2205}, {-1208, 188, 11}, + { -513, -75, -683}, { -973, 222, -646}, { -616, -843, -388}, + { -950, -1113, -359}, {-1431, -623, -705}, {-1398, -1063, -178}, + { -45, -461, 35}, { -9, -657, -216}, { 127, -1078, 95}, + { -950, -1156, 584}, {-1480, -1494, 449}, { -120, -705, 516}, + { -368, -961, 727}, { -378, -526, 973}, { -793, -614, 676}, + { -801, -755, 1287}, {-1476, -340, 1636}, { -505, -1254, 1543}, + {-1243, -1622, 1532}, { -776, -1477, -655}, {-1151, -1296, -823}, + {-1153, -1672, -1124}, {-1291, -2003, -1702}, { -622, -1283, 57}, + { -471, -1611, 509}, {-1060, -1570, -139}, { -873, -2156, -536}, + {-1716, -2021, -364}, {-2150, -3218, -1291}, {-1248, -1945, -2904}, + {-1215, -2633, -2855}, { 167, -244, 84}, { 349, -412, -217}, + { -40, -352, 632}, { 227, -529, 405}, { 68, -383, -443}, + { 167, -558, -706}, { -275, -854, -14}, { -351, -1089, -449}, + { 341, -72, -289}, { 603, -106, -474}, { 322, -219, -649}, + { 179, -317, -998}, { 450, -291, -996}, { 555, 195, -525}, + { 784, 272, -831}, { -148, -384, -849}, { 82, -536, -1357}, + { 238, -172, -1354}, { 422, -268, -1841}, { 297, -737, -2079}, + { -111, -801, -598}, { 1, -668, -984}, { -131, -818, -1299}, + { -329, -521, -1310}, { -151, -778, -1834}, { -93, -352, -1746}, + { -568, -640, -1821}, { -509, -941, -2183}, { 464, -815, -1250}, + { 79, -1133, -1597}, { -184, -1353, -2123}, { -196, -410, -2427}, + { -192, -833, -2810}, { -259, -1382, -3045}, { -217, 4, -1166}, + { -800, -325, -1219}, { -363, -830, -898}, { -661, -1134, -960}, + { -386, -980, -1501}, { -627, -1159, -1722}, { -903, -829, -855}, + { -685, -829, -1313}, {-1065, -959, -1405}, { 441, 25, -847}, + { 655, -27, -1181}, { 1159, -110, -705}, { 856, 253, -1671}, + { 415, 404, -1}, { 322, 903, -398}, { 670, 499, -292}, + { 803, 591, -610}, { 1144, 591, -814}, { 717, 183, 393}, + { 857, 381, 106}, { 609, 62, -27}, { 792, 198, -325}, + { 735, 805, 88}, { 1142, 812, 78}, { 1028, 366, -292}, + { 1309, 743, -237}, { 1615, 589, -79}, { 1010, 639, -243}, + { 999, 964, -311}, { 1500, 1137, -615}, { 988, 357, 646}, + { 1227, 667, 683}, { 1164, 1565, 894}, { 1392, 2015, 477}, + { 1138, 533, 250}, { 1437, 896, 391}, { 1765, 1118, 99}, + { 1112, 1090, 802}, { 1596, 846, 1134}, { 937, 1161, 279}, + { 1719, 1254, 683}, { 1338, 1086, 35}, { 1419, 1324, 428}, + { 1428, 1524, 40}, { 2108, 1594, 89}, { 1015, 544, 1222}, + { 1121, 925, 1263}, { 1030, 1318, 1485}, { 1295, 789, 1817}, + { 1323, 1272, 1909}, { 1724, 1237, 1803}, { 1797, 1689, 858}, + { 2149, 1367, 1301}, { 2302, 1867, 761}, { 2863, 2351, 1053}, + { 52, 163, -76}, { 230, 309, -492}, { -71, 619, 39}, + { -218, 856, 499}, { -654, 736, -207}, { -535, 1259, 155}, + { -480, 1476, 643}, { 262, 1081, 102}, { 309, 1592, -182}, + { 627, 1629, 534}, { 337, 643, 456}, { 758, 670, 713}, + { 202, 1126, 658}, { 612, 1131, 666}, { 686, 1223, 1136}, + { -131, 377, 525}, { 42, 708, 907}, { 87, 1488, 1035}, + { 432, 2117, 904}, { 137, 981, 1332}, { -447, 1014, 1136}, + { -839, 1793, 1246}, { -559, 297, 198}, { -850, 685, 446}, + {-1273, 632, 826}, { -401, -544, 173}, { -753, -793, 144}, + { -436, -9, 772}, { -115, -243, 1310}, { -670, -269, 374}, + {-1027, -13, 639}, { -887, -81, 1137}, {-1277, -455, 158}, + {-1411, -720, 736}, { 172, 88, 403}, { 386, 255, 756}, + { -500, 522, 910}, { -958, 659, 1388}, { -395, 301, 1344}, + { -356, 768, 1813}, { -613, 841, 2419}, { 445, -122, 252}, + { 629, -87, 723}, { 283, -253, 870}, { 456, -116, 1381}, + { 757, 180, 1059}, { 532, 408, 1509}, { 947, 288, 1806}, + { 1325, 994, 2524}, { 892, 1219, 3023}, { 1397, 1596, 3406}, + { 1143, 1552, 2546}, { 1850, 1433, 2710}, { -10, 134, 1002}, + { 154, 499, 1323}, { 508, 792, 1117}, { 509, 1340, 1616}, + { 762, 862, 1608}, { 787, 740, 2320}, { 794, 1727, 1283}, + { 465, 2108, 1660}, { -120, 1451, 1613}, { -386, 2016, 2169}, + { 891, 1225, 2050}, { 456, 1480, 2185}, { 1493, 1283, 1209}, + { 1397, 1636, 1518}, { 1776, 1738, 1552}, { 1572, 1698, 2141}, + { 1389, 2126, 1271}, { 1959, 2413, 1119}, { 1365, 2892, 1505}, + { 2206, 1971, 1623}, { 2076, 1950, 2280}, { 1717, 2291, 1867}, + { 2366, 2515, 1953}, { 2865, 2838, 2522}, { 2535, 3465, 2011}, + { 3381, 4127, 2638}, { 836, 2667, 2289}, { 1761, 2773, 2337}, + { 1415, 3325, 2911}, { 2354, 3138, 3126}, { 2659, 4192, 4010}, + { 1048, 1786, 1818}, { 1242, 2111, 2240}, { 1512, 2079, 2780}, + { 1573, 2491, 3138}, { 2230, 2377, 2782}, { 416, 1773, 2704}, + { 725, 2336, 3297}, { 1252, 2373, 3978}, { 2094, 2268, 3568}, + { 2011, 2712, 4528}, { 1341, 3507, 3876}, { 1216, 3919, 4922}, + { 1693, 4793, 6012} +}; + +static const int16_t lsp_band1[LSP_CB_SIZE][3] = { + { 0, 0, 0}, {-2114, -1302, 76}, {-2652, -1278, -1368}, + {-2847, -828, -349}, {-3812, -2190, -349}, {-3946, -364, -449}, + {-2725, -4492, -3607}, {-3495, -4764, -1744}, { -51, -756, 84}, + { -153, -1191, 504}, { 108, -1418, 1167}, { -835, -896, 390}, + { -569, -1702, 87}, {-1151, -1818, 933}, {-1826, -2547, 411}, + {-1842, -1818, 1451}, {-2438, -1611, 781}, {-2747, -2477, 1311}, + { -940, 1252, 477}, {-1629, 1688, 602}, {-1202, 617, 280}, + {-1737, 393, 580}, {-1528, 1077, 1199}, {-2165, -161, 1408}, + {-2504, -1087, 2371}, {-3458, -175, 1395}, {-1397, -98, -843}, + {-2252, -177, -1149}, {-1489, -726, -1283}, {-1558, -265, -1744}, + {-1867, -821, -1897}, {-2062, -1516, -2340}, {-2595, -1142, -2861}, + { 170, 46, -819}, { -193, -204, -1151}, { 326, -196, -1532}, + { 780, 329, -816}, { 201, 369, -1243}, { 650, -209, -1060}, + { 1144, -15, -1216}, { 1203, -259, -1867}, { -890, -564, -1430}, + { -638, -852, -1921}, { 177, -739, -1358}, { -261, -526, -1666}, + { 206, -407, -2255}, { 338, -526, -822}, { 421, -1095, -1009}, + { 765, -607, -1408}, { 825, -1295, -2004}, { 357, -905, -1815}, + { -58, -1248, -1588}, { -596, -1436, -2046}, { -73, -1159, -2116}, + { -115, -1382, -2581}, { -160, -1723, -1952}, { -6, -2196, -2954}, + { -649, -1705, -2603}, { -617, -1453, -3282}, { -949, -2019, -3102}, + { -812, 1544, 1937}, {-1854, 574, 2000}, {-1463, 1140, 2649}, + {-2683, 1748, 1452}, {-2486, 2241, 2523}, { 783, 1910, 1435}, + { 581, 2682, 1376}, { 236, 2197, 1885}, { -453, 2943, 2057}, + { -682, 2178, 2565}, {-1342, 3201, 3328}, { -288, -184, 262}, + { 121, -149, -183}, { 758, -412, 206}, { 1038, -204, 853}, + { 1577, -457, 700}, { 937, -640, -567}, { 1508, -528, -1024}, + { -225, -527, -427}, { -564, -1095, -332}, { -742, -353, -186}, + {-1288, -459, 84}, {-1853, -484, -274}, {-1554, -731, 825}, + {-2425, -234, 382}, {-1722, 293, -271}, {-2515, 425, -564}, + {-2599, 818, 464}, { -358, 118, -375}, { -613, 198, -874}, + { -690, 683, -324}, {-1352, 1155, -168}, {-1093, 129, -324}, + {-1184, 611, -858}, { 433, 386, -372}, { -120, 486, -634}, + { 234, 851, -631}, { 602, 128, 46}, { 1099, 410, 159}, + { 715, -145, -424}, { 1198, -85, -593}, { 1390, 367, -358}, + { 1683, 362, -964}, { 1711, 622, 45}, { 2033, 833, -383}, + { 2890, 549, -506}, { 7, 401, 52}, { 72, 811, 415}, + { 566, 668, 41}, { 467, 1218, 130}, { 68, 957, -187}, + { -25, 1649, -103}, { -661, 260, 214}, { -925, -94, 612}, + { -321, -422, 965}, { -788, -672, 1783}, { 400, -673, 779}, + { 741, -595, 1635}, { -161, 307, 657}, { -382, 836, 871}, + { -814, 400, 1223}, { 364, 606, 1247}, { 57, 75, 1571}, + { 151, 471, 2287}, { -81, 1021, 1502}, { 227, 1470, 1097}, + { 658, 1275, 1653}, { 664, 1478, 2377}, { 263, -127, 444}, + { 264, 89, 969}, { 794, 171, 576}, { 821, 186, 1226}, + { 404, 462, 517}, { 339, 918, 794}, { 1280, 1423, 196}, + { 1453, 2019, 365}, { 1615, 1481, 672}, { 2394, 1708, 508}, + { 806, 1238, 573}, { 713, 1158, 1078}, { 1285, 1436, 1232}, + { 1790, 1188, 1141}, { 765, 643, 864}, { 1032, 797, 1279}, + { 900, 563, 1827}, { 1514, 673, 2312}, { 1544, 1129, 3240}, + { 1469, 1050, 1594}, { 1945, 1318, 1988}, { 2397, 2026, 2060}, + { 3538, 2057, 2620}, { 1249, -118, 74}, { 1727, 194, 421}, + { 2078, -50, -463}, { 970, 688, -432}, { 1149, 952, -110}, + { 1254, 1275, -651}, { 1386, 929, 401}, { 1960, 1167, 232}, + { 407, -752, -243}, { 859, -1118, 172}, { -227, -860, -992}, + { -796, -1175, -1380}, { 8, -1282, -388}, { 353, -1781, -1037}, + { -732, -397, -807}, { -853, -28, -1342}, {-1229, -1207, -1959}, + {-1015, -1125, -2543}, {-1452, -1791, -2725}, {-1891, -2416, -3269}, + { -918, -1629, -783}, { -580, -2155, -698}, {-1097, -2364, -96}, + {-1387, -1513, 7}, {-1588, -2076, -664}, {-1473, -2740, -784}, + {-2378, -3149, -56}, {-2856, -2092, -169}, {-3391, -3708, 316}, + {-1176, -890, -614}, {-1944, -1061, -800}, { -299, -1517, -1000}, + { -640, -1850, -1526}, {-1454, -1536, -1233}, {-1890, -1955, -1756}, + {-1086, -1921, -2122}, { -750, -2325, -2260}, {-1325, -2413, -2673}, + {-1114, -2542, -3459}, {-1341, -2901, -3963}, {-1160, -2226, -1393}, + {-1001, -2772, -1573}, {-1594, -2641, -1978}, {-1534, -3046, -2624}, + {-2224, -2196, -675}, {-2807, -3054, -1102}, {-2008, -2840, -1186}, + {-1980, -3332, -1695}, {-1715, -3562, -505}, {-2527, -4000, -1887}, + {-2333, -2734, -2296}, {-3440, -2401, -3211}, {-2008, -3528, -3337}, + {-2247, -3291, -4510}, { -475, 949, 155}, { -149, 1365, 545}, + { -757, 1644, 1083}, { -217, 2053, 1353}, {-1433, 2301, 1462}, + { 495, 1661, 529}, { 10, 2037, 740}, { 2082, 1898, 978}, + { 2831, 2294, 911}, { 842, 793, 420}, { 1223, 1023, 863}, + { 1237, 451, 780}, { 1744, 708, 822}, { 1533, 284, 1384}, + { 2135, 609, 1538}, { 2305, 626, 540}, { 2368, 1187, 955}, + { 2586, 1255, -7}, { 3116, 1131, 726}, { 3431, 1730, 428}, + { 2734, 1648, 1307}, { 2988, 1231, 2010}, { 3523, 2024, 1488}, + { 1034, 1657, 871}, { 1206, 2163, 1036}, { 1807, 2372, 1233}, + { 1808, 1769, 1493}, { 1573, 2332, 1779}, { 1216, 1609, 1866}, + { 1480, 1898, 2513}, { 465, 2708, 2776}, { 771, 3638, 3338}, + { 1869, 2599, 2623}, { 2825, 2745, 2468}, { 2638, 2439, 1585}, + { 2094, 2970, 1308}, { 2022, 3057, 1999}, { 3428, 2912, 1816}, + { 4536, 2974, 2129}, { 1046, 2563, 2086}, { 1363, 3562, 2318}, + { 2511, 1891, 2984}, { 1866, 2306, 3986}, { 3272, 2924, 3682}, + { 3146, 3564, 2272}, { 3592, 3968, 2822}, { 2431, 3369, 3069}, + { 1931, 4709, 3090}, { 2629, 4220, 3986}, { 4639, 4056, 3664}, + { 4035, 5334, 4912} +}; + +static const int16_t lsp_band2[LSP_CB_SIZE][4] = { + { 0, 0, 0, 0}, { 601, 512, -542, 334}, + { 428, 1087, -484, -132}, { 652, 622, -391, -572}, + { 378, 799, 141, -860}, { 1040, 409, 112, -554}, + { 1123, 670, -75, -847}, { 1421, 494, -315, -1095}, + { 787, 1001, 114, -460}, { 988, 1672, 216, -681}, + { 1007, 1241, -132, -1247}, { 1073, 399, 186, -5}, + { 1262, 193, -694, -129}, { 325, 196, 51, -641}, + { 861, -59, 350, -458}, { 1261, 567, 586, -346}, + { 1532, 885, 210, -517}, { 2027, 937, 113, -792}, + { 1383, 1064, 334, 38}, { 1964, 1468, 459, 133}, + { 2062, 1186, -98, -121}, { 2577, 1445, 506, -373}, + { 2310, 1682, -2, -960}, { 2876, 1939, 765, 138}, + { 3581, 2360, 649, -414}, { 219, 176, -398, -309}, + { 434, -78, -435, -880}, { -344, 301, 265, -552}, + { -915, 470, 657, -380}, { 419, -432, -163, -453}, + { 351, -953, 8, -562}, { 789, -43, 20, -958}, + { 302, -594, -352, -1159}, { 1040, 108, -668, -924}, + { 1333, 210, -1217, -1663}, { 483, 589, -350, -1140}, + { 1003, 824, -802, -1184}, { 745, 58, -589, -1443}, + { 346, 247, -915, -1683}, { 270, 796, -720, -2043}, + { 1208, 722, -222, -193}, { 1486, 1180, -412, -672}, + { 1722, 179, -69, -521}, { 2047, 860, -666, -1410}, + { -146, 222, -281, -805}, { -189, 90, -114, -1307}, + { -152, 1086, -241, -764}, { -439, 733, -601, -1302}, + { -833, -167, -351, -601}, { -856, -422, -411, -1059}, + { -747, -355, -582, -1644}, { -837, 210, -916, -1144}, + {-1800, 32, -878, -1687}, { -48, -23, -1146, 52}, + { -350, -409, -1656, -364}, { 265, -728, -858, -577}, + { 458, -247, -1141, -997}, { 691, -407, -1988, -1161}, + { -66, -104, -705, -1249}, { -431, -93, -1191, -1844}, + { 203, -732, -1000, -1693}, { 10, -832, -1846, -1819}, + { 493, -128, -1436, -1768}, { 488, -311, -1730, -2540}, + { -653, -532, -1150, -1172}, {-1086, -289, -1706, -1533}, + { -699, -1205, -1216, -1766}, {-1032, -1481, -2074, -1523}, + { -721, -1220, -2277, -2600}, { 12, -539, -1484, -1131}, + { -40, -911, -2106, -441}, { -471, -484, -2267, -1549}, + { -141, -988, -3006, -1721}, {-1545, -2102, -583, 342}, + {-1383, -2772, -386, -13}, {-2118, -2589, -1205, 72}, + {-2147, -3231, -965, 390}, {-2949, -3300, -621, 637}, + {-3907, -4138, -865, 803}, {-1287, -845, -375, -548}, + {-1416, -1169, -487, -1277}, {-1400, -1690, -1027, -418}, + {-2018, -1909, -1188, -1260}, {-1418, -2222, -2029, -128}, + {-2067, -2998, -2693, -310}, { -950, -1028, -1538, 185}, + {-1616, -915, -2205, -549}, { 19, -821, -1145, 352}, + { 184, -1175, -1356, -627}, { -547, -1088, -1661, -911}, + { -216, -1502, -2197, -948}, { -795, -1306, -2374, -451}, + { -924, -1889, -2796, -680}, { -600, -1614, -3609, -885}, + {-2392, -2528, 319, 303}, {-2908, -2095, -310, 573}, + {-3460, -2141, 49, -113}, {-2231, -448, 675, -146}, + {-2805, -532, 1231, 479}, {-2684, -486, -200, 611}, + {-3525, -971, -198, 704}, {-3707, 173, 349, 254}, + {-4734, -1447, -34, 880}, { 777, -512, 114, -10}, + { 1250, -66, 442, -5}, { 604, 613, 452, -352}, + { 1224, 777, 675, -1014}, {-1372, -79, -1208, -238}, + {-2389, -17, -1157, -818}, {-1504, -673, -1133, -1060}, + {-1984, -799, -2005, -1973}, {-2037, -798, -1068, -105}, + {-3190, -899, -1817, -194}, { -156, -886, 394, -318}, + { -258, -1283, 551, 202}, { -536, -1729, 910, 331}, + { -847, -1109, 795, -163}, {-1171, -1128, 715, 519}, + {-1080, -1319, 1685, 668}, {-1000, -1921, 96, 211}, + {-1487, -2148, 831, 174}, {-1139, -374, 414, -4}, + {-1517, -1383, 396, -352}, {-1012, 439, -59, -967}, + {-1812, 706, -440, -1030}, {-1971, -329, -34, -827}, + {-2472, -1588, -151, -606}, {-2161, 374, -281, 76}, + {-3012, 231, -15, -690}, { 1104, 566, 721, 209}, + { 1685, 564, 383, 98}, { 1898, 750, 792, -97}, + { 556, -64, 561, -93}, { 876, 162, 913, -22}, + { 961, 675, 1296, 140}, { 756, -396, 851, 544}, + { 360, -303, 1341, 396}, { 878, -22, 1464, 863}, + { -309, -273, 642, -129}, { -686, -82, 842, 454}, + { -5, -47, 1069, 998}, { -94, 967, 1277, 298}, + { -489, 385, 1473, 746}, { -369, -717, 1333, 242}, + { 281, -993, 1726, 924}, { 464, 601, 1575, 1376}, + { -250, 206, 2339, 1175}, { -438, 377, -597, -285}, + {-1020, 787, -790, -287}, { -458, -410, 215, 295}, + { -589, -860, -121, 797}, {-1175, 122, -437, 466}, + {-1480, -121, 367, 924}, { 234, 323, 770, -555}, + { 145, 30, 996, 26}, { 66, 849, 93, -145}, + { -117, 1261, 474, -399}, {-1495, 1051, 218, -506}, + {-1390, 694, 994, 88}, { 616, 7, 78, 304}, + { 1060, 52, -62, 835}, { 833, 454, 649, 1359}, + { -770, 464, 47, 93}, { -574, 1199, -39, 379}, + { 114, -98, 488, 485}, { 727, 244, 606, 696}, + { -76, 455, 671, 546}, { -565, -13, 145, 819}, + { -376, 569, 448, 1128}, { 218, 122, 265, 1167}, + { 230, 738, 932, 1003}, { 138, 477, 36, 450}, + { 404, 787, -73, 1000}, { 497, 1259, 387, 1231}, + { 17, 207, 195, -79}, { 562, 358, 53, -158}, + { 493, 387, 478, 189}, { 678, 831, 640, 558}, + { -197, 523, 613, 57}, { 429, 894, 769, 111}, + { 67, 1174, 568, 511}, { 1242, 824, 251, 840}, + { 1419, 1074, 864, 481}, { 924, 1474, 669, 724}, + { 1539, 1879, 654, 1590}, { 445, 337, 1111, 541}, + { 472, 1421, 1264, 1094}, { 794, 735, 1103, 668}, + { 1055, 863, 1192, 1020}, { 778, 1105, 806, 1798}, + { 1052, 1527, 1587, 2151}, { 881, 1552, 1265, 391}, + { 726, 872, 1812, 601}, { 1469, 280, 1008, 616}, + { 1403, 577, 1803, 1244}, { 1650, 1314, 1148, 1072}, + { 1297, 1669, 1911, 1026}, { 2093, 1044, 2115, 1189}, + { 1644, 1961, 2587, 1512}, { 25, -315, -9, -106}, + { 290, -339, 428, -444}, { -68, -783, 735, 772}, + { 245, -555, 468, 47}, { 334, -895, 814, 146}, + { 235, 368, -964, -959}, { -203, 315, -1566, -1217}, + { 801, 17, -276, -354}, { 894, -495, -789, -635}, + { 716, 291, -1189, -357}, { 560, -260, -733, -2}, + { 679, -508, -1429, 211}, { -51, -62, -428, 557}, + { 322, -638, -211, 614}, { -878, -1057, -84, -71}, + { -388, -1415, -167, -318}, { -754, -1574, 214, -539}, + {-1419, -2004, -92, -787}, { -47, -856, -347, -255}, + { 23, -1211, -173, 320}, { -658, -487, -893, 353}, + { -783, -1587, -584, 507}, {-1420, -859, -378, 441}, + {-2095, -1491, -137, 439}, { -321, -1450, -1288, -12}, + { -359, -2113, -553, -8}, { -831, -1918, -1561, 32}, + {-1014, -2487, -1359, -939}, { -475, -311, -169, -236}, + { -907, -426, 276, -611}, { -96, -400, 50, -710}, + { -426, -1022, -10, -985}, { -197, -258, -744, -575}, + { -611, -930, -771, -394}, { -267, -776, -612, -939}, + { -256, -1346, -802, -1122}, { -796, -1570, -825, -754}, + { 712, 876, 141, 227}, { 981, 1509, 85, 124}, + { 1462, 1228, 979, -39}, { 1734, 999, 1481, 440}, + { 2293, 1116, 769, 440}, { 2504, 1480, 1241, 356}, + { 2474, 1909, 1558, 810}, { 917, 1134, 607, -134}, + { 509, 1809, 781, -123}, { 1712, 1506, 559, -423}, + { 2037, 2317, 726, -155}, { 3031, 2676, 1203, 331}, + { 3664, 3274, 1768, 531}, { 1610, 1839, 867, 183}, + { 1774, 1972, 1538, 97}, { 1822, 2158, 1282, 659}, + { 2222, 2758, 1818, 900}, { 3251, 2124, 1723, 996}, + { 3633, 2336, 2408, 1453}, { 2923, 3517, 2567, 1318}, +}; + +/* + * Used for the coding/decoding of the pulses positions + * for the MP-MLQ codebook + */ +static const int32_t combinatorial_table[PULSE_MAX][SUBFRAME_LEN/GRID_SIZE] = { + {118755, 98280, 80730, 65780L, 53130, + 42504, 33649, 26334, 20349, 15504, + 11628, 8568, 6188, 4368, 3003, + 2002, 1287, 792, 462, 252, + 126, 56, 21, 6, 1, + 0, 0, 0, 0, 0}, + + { 23751, 20475, 17550, 14950, 12650, + 10626, 8855, 7315, 5985, 4845, + 3876, 3060, 2380, 1820, 1365, + 1001, 715, 495, 330, 210, + 126, 70, 35, 15, 5, + 1, 0, 0, 0, 0}, + + { 3654, 3276, 2925, 2600, 2300, + 2024, 1771, 1540, 1330, 1140, + 969, 816, 680, 560, 455, + 364, 286, 220, 165, 120, + 84, 56, 35, 20, 10, + 4, 1, 0, 0, 0}, + + { 406, 378, 351, 325, 300, + 276, 253, 231, 210, 190, + 171, 153, 136, 120, 105, + 91, 78, 66, 55, 45, + 36, 28, 21, 15, 10, + 6, 3, 1, 0, 0}, + + { 29, 28, 27, 26, 25, + 24, 23, 22, 21, 20, + 19, 18, 17, 16, 15, + 14, 13, 12, 11, 10, + 9, 8, 7, 6, 5, + 4, 3, 2, 1, 0}, + + { 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1}, +}; + +static const int16_t pitch_contrib[340] = { + 60, 0, 0, 2489, 60, 0, 0, 5217, + 1, 6171, 0, 3953, 0, 10364, 1, 9357, + -1, 8843, 1, 9396, 0, 5794, -1, 10816, + 2, 11606, -2, 12072, 0, 8616, 1, 12170, + 0, 14440, 0, 7787, -1, 13721, 0, 18205, + 0, 14471, 0, 15807, 1, 15275, 0, 13480, + -1, 18375, -1, 0, 1, 11194, -1, 13010, + 1, 18836, -2, 20354, 1, 16233, -1, 0, + 60, 0, 0, 12130, 0, 13385, 1, 17834, + 1, 20875, 0, 21996, 1, 0, 1, 18277, + -1, 21321, 1, 13738, -1, 19094, -1, 20387, + -1, 0, 0, 21008, 60, 0, -2, 22807, + 0, 15900, 1, 0, 0, 17989, -1, 22259, + 1, 24395, 1, 23138, 0, 23948, 1, 22997, + 2, 22604, -1, 25942, 0, 26246, 1, 25321, + 0, 26423, 0, 24061, 0, 27247, 60, 0, + -1, 25572, 1, 23918, 1, 25930, 2, 26408, + -1, 19049, 1, 27357, -1, 24538, 60, 0, + -1, 25093, 0, 28549, 1, 0, 0, 22793, + -1, 25659, 0, 29377, 0, 30276, 0, 26198, + 1, 22521, -1, 28919, 0, 27384, 1, 30162, + -1, 0, 0, 24237, -1, 30062, 0, 21763, + 1, 30917, 60, 0, 0, 31284, 0, 29433, + 1, 26821, 1, 28655, 0, 31327, 2, 30799, + 1, 31389, 0, 32322, 1, 31760, -2, 31830, + 0, 26936, -1, 31180, 1, 30875, 0, 27873, + -1, 30429, 1, 31050, 0, 0, 0, 31912, + 1, 31611, 0, 31565, 0, 25557, 0, 31357, + 60, 0, 1, 29536, 1, 28985, -1, 26984, + -1, 31587, 2, 30836, -2, 31133, 0, 30243, + -1, 30742, -1, 32090, 60, 0, 2, 30902, + 60, 0, 0, 30027, 0, 29042, 60, 0, + 0, 31756, 0, 24553, 0, 25636, -2, 30501, + 60, 0, -1, 29617, 0, 30649, 60, 0, + 0, 29274, 2, 30415, 0, 27480, 0, 31213, + -1, 28147, 0, 30600, 1, 31652, 2, 29068, + 60, 0, 1, 28571, 1, 28730, 1, 31422, + 0, 28257, 0, 24797, 60, 0, 0, 0, + 60, 0, 0, 22105, 0, 27852, 60, 0, + 60, 0, -1, 24214, 0, 24642, 0, 23305, + 60, 0, 60, 0, 1, 22883, 0, 21601, + 60, 0, 2, 25650, 60, 0, -2, 31253, + -2, 25144, 0, 17998 +}; + +/* Number of non-zero pulses in the MP-MLQ excitation */ +static const int8_t pulses[4] = {6, 5, 6, 5}; + +/* Size of the MP-MLQ fixed excitation codebooks */ +static const int32_t max_pos[4] = {593775, 142506, 593775, 142506}; + +static const int16_t fixed_cb_gain[GAIN_LEVELS] = { + 1, 2, 3, 4, 6, 9, 13, 18, + 26, 38, 55, 80, 115, 166, 240, 348, + 502, 726, 1050, 1517, 2193, 3170, 4582, 6623, +}; + +static const int16_t adaptive_cb_gain85[85 * 20] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 800, 1496, 167, -256, + -338, -39, -136, -1, -4, -6, -73, -8, + -15, 12, 23, 2, 16, 30, 3, -5, + -462, -686, 493, 2575, 311, -13, -28, -14, + -404, -5, -19, 13, 20, 72, 107, -77, + 8, 13, -9, -48, 1483, 144, 784, 928, + 1243, -134, -1, -37, -52, -94, -13, -71, + -6, -84, -8, -44, -112, -10, -59, -70, + -77, 275, 3522, 1056, -1254, 0, -4, -757, + -68, -95, 1, 16, -59, 4, -17, -227, + -5, 21, 269, 80, -125, -40, -264, 381, + 5027, 0, 0, -4, -8, -1542, 0, -2, + 0, 2, 0, 6, 38, 12, 81, -117, + 138, 332, 2215, 2574, 1339, -1, -6, -299, + -404, -109, -2, -18, -44, -21, -52, -348, + -11, -27, -181, -210, 3685, 2883, -887, 866, + -1639, -828, -507, -48, -45, -164, -648, 199, + 156, -194, -152, 46, 368, 288, -88, 86, + 1396, 2146, 2235, 345, 942, -118, -281, -305, + -7, -54, -182, -190, -292, -29, -45, -47, + -80, -123, -128, -19, 13, 4475, 3549, -804, + -655, 0, -1222, -768, -39, -26, -3, -2, + -969, 0, 219, 174, 0, 179, 141, -32, + -724, 254, 242, 6049, 2462, -32, -3, -3, + -2233, -370, 11, 10, -3, 267, -94, -89, + 108, -38, -36, -909, 626, -1713, 6121, 4561, + -1061, -23, -179, -2287, -1270, -68, 65, -233, + 640, -174, 477, -1704, 40, -111, 396, 295, + -350, 1391, 7985, 511, -405, -7, -118, -3892, + -15, -10, 29, 170, -678, 10, -43, -249, + -8, 34, 197, 12, 3144, -529, 608, 2530, + 3878, -603, -17, -22, -390, -918, 101, -116, + 19, -485, 81, -93, -744, 125, -144, -599, + 2589, -689, 3045, 5603, -404, -409, -29, -566, + -1916, -10, 108, -481, 128, -885, 235, -1041, + 63, -17, 75, 138, 3107, 513, 1374, -3594, + -4922, -589, -16, -115, -788, -1478, -97, -260, + -43, 681, 112, 301, 933, 154, 413, -1079, + 2468, 6010, 1107, -390, 1961, -372, -2204, -74, + -9, -234, -905, -166, -406, 58, 143, 26, + -295, -719, -132, 46, 4773, 2766, 2368, 4862, + -4044, -1390, -467, -342, -1443, -998, -806, -690, + -399, -1416, -821, -702, 1178, 682, 584, 1200, + 1665, -1879, 1443, 1701, 8562, -169, -215, -127, + -176, -4475, 190, -146, 165, -172, 195, -149, + -870, 982, -754, -889, 2716, 9011, -1007, 755, + -1785, -450, -4956, -61, -34, -194, -1493, 167, + 554, -125, -415, 46, 296, 982, -109, 82, + -2727, 7548, 1285, 938, 3420, -453, -3478, -100, + -53, -714, 1256, 213, -592, 156, -432, -73, + 569, -1576, -268, -196, 3677, 882, 4050, 1202, + 2323, -825, -47, -1001, -88, -329, -198, -909, + -218, -269, -64, -297, -521, -125, -574, -170, + 2046, -753, 122, 10102, 603, -255, -34, 0, + -6229, -22, 94, -15, 5, -1261, 464, -75, + -75, 27, -4, -372, 449, -1815, 10690, 3870, + -527, -12, -201, -6976, -914, -16, 49, -293, + 1184, -106, 428, -2525, 14, -58, 344, 124, + -941, 2352, 5049, 3650, 2637, -54, -337, -1556, + -813, -424, 135, 290, -725, 209, -524, -1125, + 151, -378, -812, -587, -1879, 796, 3117, 9569, + -404, -215, -38, -593, -5589, -9, 91, 357, + -151, 1097, -464, -1821, -46, 19, 76, 236, + -1715, 2043, -2096, 9946, 4001, -179, -254, -268, + -6038, -977, 213, -219, 261, 1041, -1240, 1272, + 418, -498, 511, -2429, -5772, -618, -3921, 284, + -3155, -2033, -23, -938, -4, -607, -218, -1381, + -148, 100, 10, 68, -1111, -119, -755, 54, + 382, 4748, 8003, -2064, 2198, -8, -1376, -3909, + -260, -294, -110, -186, -2319, 48, 598, 1008, + -51, -637, -1073, 277, -867, 3015, 11926, -1675, + 947, -45, -555, -8681, -171, -54, 159, 631, + -2195, -88, 308, 1219, 50, -174, -690, 96, + -4933, -432, 6757, 3771, 1352, -1485, -11, -2786, + -867, -111, -130, 2034, 178, 1135, 99, -1555, + 407, 35, -557, -311, 152, 9726, 4231, -1928, + 1490, -1, -5774, -1092, -226, -135, -90, -39, + -2511, 17, 1144, 498, -13, -884, -384, 175, + 2512, 193, 9033, 5361, -3148, -385, -2, -4980, + -1754, -605, -29, -1385, -106, -822, -63, -2956, + 482, 37, 1735, 1030, 8464, 2844, 12, 549, + 2132, -4373, -493, 0, -18, -277, -1469, -6, + -2, -284, -95, 0, -1101, -370, -1, -71, + 2141, -2602, 7166, 9046, -1350, -279, -413, -3134, + -4994, -111, 340, -936, 1138, -1182, 1436, -3957, + 176, -214, 590, 745, -244, 278, 13307, 1227, + -161, -3, -4, -10808, -91, -1, 4, 198, + -226, 18, -20, -997, -2, 2, 131, 12, + -1947, 8217, 6269, 917, -2559, -231, -4121, -2399, + -51, -399, 976, 745, -3144, 108, -460, -350, + -304, 1283, 979, 143, -1810, 2061, -2781, 6056, + 10058, -200, -259, -472, -2238, -6174, 227, -307, + 349, 669, -761, 1028, 1111, -1265, 1707, -3717, + 7827, 9161, -3409, 2473, -1510, -3739, -5122, -709, + -373, -139, -4376, 1628, 1906, -1181, -1382, 514, + 721, 844, -314, 228, -1430, 8313, 9541, -2955, + 1626, -124, -4218, -5556, -533, -161, 725, 832, + -4841, -257, 1499, 1721, 142, -825, -947, 293, + 2819, -4247, 5391, 8673, 2756, -485, -1101, -1774, + -4591, -463, 730, -927, 1397, -1492, 2248, -2854, + -474, 714, -907, -1459, 141, 14552, 690, 257, + -112, -1, -12926, -29, -4, 0, -125, -5, + -613, -2, -228, -10, 0, 99, 4, 1, + 11938, -1859, 1806, -962, -884, -8699, -211, -199, + -56, -47, 1355, -1316, 205, 701, -109, 106, + 644, -100, 97, -51, 3728, 1982, 2264, 4584, + 3131, -848, -239, -312, -1282, -598, -451, -515, + -273, -1043, -554, -633, -712, -378, -432, -876, + -1181, 766, 720, 14303, -216, -85, -35, -31, + -12486, -2, 55, 51, -33, 1031, -668, -628, + -15, 10, 9, 189, -4385, 4826, 10112, 1569, + 3388, -1173, -1421, -6242, -150, -700, 1291, 2706, + -2979, 420, -462, -969, 906, -998, -2091, -324, + -448, 1932, 15591, -1842, 657, -12, -227, -14837, + -207, -26, 52, 427, -1838, -50, 217, 1753, + 18, -77, -626, 74, -4141, 1844, 3962, 5517, + 6220, -1046, -207, -958, -1858, -2361, 466, 1001, + -446, 1394, -621, -1334, 1572, -700, -1504, -2094, + 729, -2299, 14755, 3657, -952, -32, -322, -13288, + -816, -55, 102, -656, 2071, -162, 513, -3294, + 42, -133, 857, 212, -1385, 5801, 13339, -3137, + 1344, -117, -2054, -10861, -600, -110, 490, 1127, + -4723, -265, 1111, 2554, 113, -476, -1094, 257, + 4710, 9661, 1073, -2467, 3274, -1354, -5697, -70, + -371, -654, -2777, -308, -633, 709, 1455, 161, + -941, -1930, -214, 493, 1843, -3624, 12422, 6898, + -1559, -207, -802, -9419, -2904, -148, 407, -1397, + 2748, -775, 1526, -5230, 175, -344, 1182, 656, + 1433, 2394, 2507, 1380, 8780, -125, -349, -383, + -116, -4705, -209, -219, -366, -120, -201, -211, + -768, -1283, -1343, -740, -1712, 12915, 5883, -2197, + 991, -179, -10181, -2112, -294, -60, 1350, 615, + -4638, -229, 1732, 789, 103, -781, -356, 133, + 15072, 2158, -1245, 910, -496, -13865, -284, -94, + -50, -15, -1986, 1145, 164, -837, -119, 69, + 456, 65, -37, 27, 4655, 7319, 4916, 586, + -3381, -1322, -3270, -1475, -20, -697, -2079, -1396, + -2196, -166, -261, -175, 960, 1510, 1014, 120, + 1191, -2140, 5120, 13498, -1418, -86, -279, -1600, + -11121, -122, 155, -372, 669, -981, 1763, -4218, + 103, -185, 443, 1168, -1530, -817, 8191, 9632, + -1452, -143, -40, -4095, -5663, -128, -76, 765, + 408, 900, 480, -4815, -135, -72, 726, 854, + -3236, 607, 1696, -2106, 11485, -639, -22, -175, + -270, -8051, 119, 335, -62, -416, 78, 218, + 2268, -425, -1189, 1476, 3203, -1903, -837, 9679, + 7057, -626, -221, -42, -5718, -3039, 372, 163, + -97, -1892, 1124, 494, -1380, 819, 360, -4169, + 213, -655, 17015, 620, -384, -2, -26, -17671, + -23, -9, 8, -221, 681, -8, 24, -644, + 5, -15, 399, 14, 5088, 35, -3339, 3726, + 8488, -1580, 0, -680, -847, -4397, -10, 1037, + 7, -1157, -8, 759, -2636, -18, 1730, -1930, + -988, 1454, -2688, 15039, 2682, -59, -129, -441, + -13805, -439, 87, -162, 238, 907, -1335, 2467, + 161, -238, 440, -2462, -4865, -2842, -53, 5495, + 6523, -1445, -493, 0, -1843, -2597, -844, -16, + -9, 1632, 953, 18, 1937, 1131, 21, -2188, + 3076, 15069, -2914, 1810, -971, -577, -13860, -518, + -200, -57, -2829, 547, 2680, -339, -1665, 322, + 182, 893, -172, 107, 1311, 5355, 11054, 2299, + -3654, -105, -1750, -7458, -322, -814, -428, -885, + -3613, -184, -751, -1551, 292, 1194, 2465, 512, + 4035, 5619, 4618, 1815, 1912, -994, -1927, -1301, + -201, -223, -1384, -1137, -1583, -447, -622, -511, + -471, -656, -539, -211, -2131, 2754, -4501, 12879, + 7432, -277, -463, -1236, -10124, -3371, 358, -585, + 756, 1675, -2165, 3538, 967, -1249, 2042, -5842, + 5618, -515, 3219, -4149, 4857, -1926, -16, -632, + -1050, -1440, 176, -1104, 101, 1422, -130, 815, + -1666, 152, -954, 1230, 1838, -1709, 1139, 16867, + 716, -206, -178, -79, -17366, -31, 191, -127, + 118, -1892, 1759, -1173, -80, 74, -49, -737, + 1978, -3845, 10050, 11854, -2492, -238, -902, -6164, + -8576, -379, 464, -1213, 2358, -1431, 2782, -7271, + 301, -585, 1529, 1803, -2600, 11246, 11289, -3647, + 1463, -412, -7720, -7778, -812, -130, 1784, 1791, + -7749, -578, 2504, 2513, 232, -1004, -1008, 325, + 3442, 907, 2725, 8970, 3638, -723, -50, -453, + -4911, -808, -190, -572, -150, -1884, -496, -1492, + -764, -201, -605, -1992, -126, 17498, 3481, -2003, + 1090, 0, -18689, -739, -244, -72, 135, 26, + -3717, -15, 2139, 425, 8, -1165, -231, 133, + -1814, 1048, -2164, 4070, 16272, -200, -67, -285, + -1011, -16160, 116, -239, 138, 450, -260, 537, + 1801, -1041, 2149, -4042, 9354, 12580, -1883, 962, + -617, -5341, -9660, -216, -56, -23, -7183, 1075, + 1446, -549, -738, 110, 352, 474, -71, 36, + 1708, 4199, 7387, 6335, 1003, -178, -1076, -3330, + -2449, -61, -437, -770, -1893, -660, -1623, -2856, + -104, -257, -452, -388, -2624, 5623, 17310, -2353, + 592, -420, -1930, -18288, -338, -21, 900, 2772, + -5941, -376, 807, 2486, 94, -203, -625, 85, + 1211, -850, 1193, -1926, 15992, -89, -44, -86, + -226, -15609, 62, -88, 61, 142, -100, 140, + -1182, 830, -1165, 1880, 3983, -2054, 11506, -19, + 3622, -968, -257, -8080, 0, -801, 499, -2797, + 1442, 4, -2, 13, -880, 454, -2544, 4, + -786, -1354, 16092, 7246, -1665, -37, -111, -15805, + -3205, -169, -65, 772, 1330, 348, 599, -7117, + -80, -137, 1636, 736, -4316, -511, 6674, 11665, + 4633, -1137, -15, -2719, -8305, -1310, -134, 1758, + 208, 3073, 364, -4752, 1220, 144, -1887, -3299, + 7912, 4557, 1937, 1885, 7037, -3821, -1267, -229, + -216, -3022, -2200, -935, -538, -910, -524, -222, + -3398, -1957, -832, -809, 3434, 2967, 5867, 8196, + 8766, -720, -537, -2101, -4100, -4690, -622, -1230, + -1062, -1718, -1484, -2935, -1837, -1588, -3139, -4385, + 5881, 9176, 8119, 3934, 3355, -2111, -5139, -4023, + -944, -687, -3294, -2914, -4547, -1412, -2203, -1949, + -1204, -1879, -1662, -805 +}; + +static const int16_t adaptive_cb_gain170[170 * 20] = { + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 776, 212, 715, 670, + 809, -36, -2, -31, -27, -39, -10, -33, + -9, -31, -8, -29, -38, -10, -35, -33, + 1296, 1316, -168, -320, -815, -102, -105, -1, + -6, -40, -104, 13, 13, 25, 25, -3, + 64, 65, -8, -15, -589, 680, 2478, 308, + -596, -21, -28, -375, -5, -21, 24, 89, + -102, 11, -12, -46, -21, 24, 90, 11, + -735, -487, -5, 2948, 468, -33, -14, 0, + -530, -13, -21, 0, 0, 132, 87, 0, + 21, 13, 0, -84, 1042, 1730, 1068, 333, + 626, -66, -182, -69, -6, -23, -110, -67, + -112, -21, -35, -21, -39, -66, -40, -12, + 486, -769, 4074, 2825, -1107, -14, -36, -1013, + -487, -74, 22, -120, 191, -83, 132, -702, + 32, -52, 275, 191, 1521, -767, -124, 4320, + 1026, -141, -35, 0, -1139, -64, 71, 11, + -5, -401, 202, 32, -95, 48, 7, -270, + 2425, 1267, 3439, -91, -1166, -359, -98, -722, + 0, -83, -187, -509, -266, 13, 7, 19, + 172, 90, 244, -6, -1251, 975, 173, 4039, + 2005, -95, -58, -1, -996, -245, 74, 13, + -10, 308, -240, -42, 153, -119, -21, -494, + 1820, 632, 1322, 2062, 1031, -202, -24, -106, + -259, -64, -70, -146, -51, -229, -79, -166, + -114, -39, -83, -129, -447, 4904, 244, -315, + -2038, -12, -1467, -3, -6, -253, 134, 6, + -73, -8, 94, 4, -55, 610, 30, -39, + -208, -1102, 463, -448, 5653, -2, -74, -13, + -12, -1950, -14, 5, 31, -5, -30, 12, + 71, 380, -159, 154, 4739, 2600, -1864, 856, + -1554, -1371, -412, -212, -44, -147, -752, 539, + 295, -247, -135, 97, 449, 246, -176, 81, + 1894, 3533, 35, -26, 2145, -219, -762, 0, + 0, -280, -408, -4, -7, 3, 5, 0, + -248, -462, -4, 3, -2699, 1841, 4072, 2443, + 1582, -444, -207, -1012, -364, -152, 303, 670, + -457, 402, -274, -607, 260, -177, -393, -236, + -844, 3358, 6106, -1059, -537, -43, -688, -2275, + -68, -17, 173, 314, -1251, -54, 217, 395, + -27, 110, 200, -34, 1251, 1016, 3020, 2210, + 1445, -95, -63, -556, -298, -127, -77, -230, + -187, -168, -137, -407, -110, -89, -266, -194, + 2099, 2277, 4038, 3533, -2870, -269, -316, -995, + -762, -503, -291, -517, -561, -452, -491, -871, + 367, 399, 707, 619, 400, -1114, 8516, 2422, + -1117, -9, -75, -4426, -358, -76, 27, -208, + 579, -59, 164, -1259, 27, -75, 580, 165, + -4398, -2011, 3912, -2407, 2258, -1180, -247, -934, + -353, -311, -540, 1050, 480, -646, -295, 575, + 606, 277, -539, 331, 1767, -1447, 4240, 6160, + -757, -190, -127, -1097, -2316, -35, 156, -457, + 374, -664, 544, -1594, 81, -66, 195, 284, + 1594, -1463, 1035, 6938, 1920, -155, -130, -65, + -2938, -225, 142, -100, 92, -675, 619, -438, + -186, 171, -121, -813, -562, 4716, 4085, -591, + 2421, -19, -1357, -1018, -21, -357, 162, 140, + -1175, -20, 170, 147, 83, -696, -603, 87, + 1552, 8778, -935, 354, -1424, -147, -4703, -53, + -7, -123, -831, 88, 501, -33, -189, 20, + 134, 763, -81, 30, 4831, -4431, 41, -1479, + -2976, -1424, -1198, 0, -133, -540, 1306, -12, + 11, 436, -400, 3, 877, -804, 7, -268, + 2090, 1192, 1006, 1645, 4853, -266, -86, -61, + -165, -1437, -152, -128, -73, -210, -119, -101, + -619, -353, -298, -487, 2386, 5712, 1426, -94, + 1350, -347, -1991, -124, 0, -111, -832, -207, + -497, 13, 32, 8, -196, -470, -117, 7, + -1349, 1091, 1659, 8891, 313, -111, -72, -168, + -4825, -5, 89, 136, -110, 732, -592, -900, + 25, -20, -31, -170, 9980, 916, -381, -808, + 88, -6080, -51, -8, -39, 0, -558, 232, + 21, 492, 45, -18, -53, -4, 2, 4, + 2338, -1031, -248, 3928, 6484, -333, -64, -3, + -942, -2566, 147, 35, -15, -560, 247, 59, + -925, 408, 98, -1555, 6166, -1240, -337, 3672, + -1277, -2320, -93, -6, -823, -99, 466, 126, + -25, -1382, 278, 75, 480, -96, -26, 286, + 4377, -132, -2588, 1701, 4865, -1169, -1, -409, + -176, -1444, 35, 691, -20, -454, 13, 268, + -1299, 39, 768, -505, 2594, 3295, 3944, 1481, + 682, -410, -662, -949, -133, -28, -521, -624, + -793, -234, -297, -356, -108, -137, -164, -61, + 4151, 624, 815, 4485, 2229, -1052, -23, -40, + -1228, -303, -158, -206, -31, -1136, -170, -223, + -565, -84, -111, -610, -3575, -361, 4924, 2791, + 4698, -780, -7, -1480, -475, -1347, -78, 1074, + 108, 609, 61, -839, 1025, 103, -1412, -800, + -2518, 3791, 8623, 315, 2465, -387, -877, -4538, + -6, -370, 582, 1325, -1995, 48, -73, -166, + 378, -570, -1297, -47, -691, 2989, 9957, -421, + -1142, -29, -545, -6051, -10, -79, 126, 420, + -1817, -17, 76, 256, -48, 208, 694, -29, + -1918, 104, -3190, -3410, -4440, -224, 0, -621, + -709, -1203, 12, -373, 20, -399, 21, -664, + -519, 28, -864, -924, -3359, -1668, 1854, 6939, + 1430, -688, -169, -209, -2939, -124, -341, 380, + 188, 1422, 706, -785, 293, 145, -161, -606, + 42, 9706, 3164, -952, 907, 0, -5750, -611, + -55, -50, -25, -8, -1874, 2, 564, 183, + -2, -537, -175, 52, 1607, 785, 2862, 4327, + 3307, -157, -37, -500, -1143, -667, -77, -280, + -137, -424, -207, -756, -324, -158, -577, -873, + 6801, 3416, 2227, 1682, -3217, -2823, -712, -302, + -172, -631, -1418, -924, -464, -698, -350, -228, + 1335, 670, 437, 330, 3459, 3898, 364, 7841, + -2640, -730, -927, -8, -3753, -425, -823, -76, + -86, -1655, -1865, -174, 557, 628, 58, 1263, + -5902, -3458, -2465, -1886, 4334, -2126, -730, -371, + -217, -1146, -1245, -888, -520, -679, -398, -283, + 1561, 915, 652, 499, -3710, 1133, 7849, 3443, + -215, -840, -78, -3760, -723, -2, 256, 1777, + -543, 779, -238, -1649, -48, 14, 103, 45, + 4132, 2828, 2, -4212, -4116, -1042, -488, 0, + -1083, -1034, -713, 0, 0, 1062, 727, 0, + 1038, 710, 0, -1058, 5875, 8496, -1796, 1376, + -1786, -2107, -4406, -197, -115, -194, -3047, 644, + 931, -493, -713, 150, 640, 926, -195, 150, + 3143, 3483, 3546, -793, 4489, -603, -740, -767, + -38, -1230, -668, -680, -754, 152, 168, 171, + -861, -954, -971, 217, 2845, 7965, 3695, -5432, + 3978, -494, -3873, -833, -1801, -966, -1383, -641, + -1796, 943, 2641, 1225, -691, -1934, -897, 1319, + 1538, 150, 7139, 2049, 3097, -144, -1, -3110, + -256, -585, -14, -670, -65, -192, -18, -892, + -290, -28, -1349, -387, 618, 7520, 4729, -238, + -3373, -23, -3452, -1365, -3, -694, -283, -178, + -2170, 8, 109, 68, 127, 1548, 973, -49, + 2965, -3013, 7912, 7076, -1997, -536, -554, -3821, + -3056, -243, 545, -1431, 1455, -1280, 1301, -3417, + 361, -367, 964, 862, 2443, -929, -1113, 9677, + 4138, -364, -52, -75, -5716, -1045, 138, 166, + -63, -1443, 549, 657, -617, 234, 281, -2444, + 1966, 3309, 10085, -3399, 2105, -236, -668, -6207, + -705, -270, -397, -1210, -2037, 408, 686, 2092, + -252, -425, -1295, 436, -112, -1368, 8868, 4822, + 2048, 0, -114, -4800, -1419, -256, -9, 61, + 740, 33, 402, -2610, 14, 171, -1108, -602, + -2597, 438, -1839, 6229, 7266, -411, -11, -206, + -2368, -3223, 69, -291, 49, 987, -166, 699, + 1152, -194, 816, -2763, 3454, 553, 9127, 4946, + -5596, -728, -18, -5084, -1493, -1911, -116, -1924, + -308, -1042, -166, -2755, 1179, 188, 3117, 1689, + -532, -663, 12262, 2495, -1004, -17, -26, -9177, + -380, -61, -21, 398, 496, 81, 101, -1867, + -32, -40, 751, 152, -2100, 1317, -1509, 11425, + 2997, -269, -105, -139, -7967, -548, 168, -193, + 121, 1464, -918, 1052, 384, -240, 276, -2090, + 1193, -2697, 11259, 5373, -763, -86, -444, -7737, + -1762, -35, 196, -819, 1853, -391, 884, -3692, + 55, -125, 525, 250, 2405, -471, 11079, 203, + 782, -353, -13, -7491, -2, -37, 69, -1626, + 318, -29, 5, -137, -114, 22, -529, -9, + -1871, 5685, 11290, -2662, 1353, -213, -1972, -7780, + -432, -111, 649, 1289, -3917, -304, 923, 1834, + 154, -469, -932, 220, -3768, 5927, -3093, 5041, + 5212, -866, -2144, -584, -1551, -1658, 1363, -711, + 1119, 1159, -1824, 951, 1198, -1885, 984, -1603, + -2546, 9502, 5969, -2440, 1928, -395, -5511, -2175, + -363, -226, 1477, 927, -3462, -379, 1415, 889, + 299, -1118, -702, 287, -4963, 3568, 4592, 5508, + 3451, -1503, -777, -1287, -1851, -727, 1080, 1391, + -1000, 1668, -1199, -1543, 1045, -751, -967, -1160, + 1745, -2586, 3983, 10899, -1551, -186, -408, -968, + -7250, -146, 275, -424, 628, -1161, 1720, -2649, + 165, -244, 377, 1032, 867, -456, -727, 3369, + 11822, -45, -12, -32, -692, -8531, 24, 38, + -20, -178, 93, 149, -625, 329, 525, -2431, + 7535, 2422, 1926, 1405, 1599, -3466, -358, -226, + -120, -156, -1114, -886, -284, -646, -207, -165, + -735, -236, -188, -137, 1041, -735, -142, 13209, + 1515, -66, -33, -1, -10649, -140, 46, 9, + -6, -839, 593, 114, -96, 68, 13, -1222, + 7950, 6745, -1444, -1008, 2721, -3857, -2777, -127, + -62, -452, -3273, 700, 594, 489, 415, -88, + -1320, -1120, 239, 167, -4754, -1379, 4522, -578, + -5733, -1379, -116, -1248, -20, -2006, -400, 1312, + 380, -167, -48, 159, -1663, -482, 1582, -202, + 3220, 5978, 5923, 2430, -2689, -633, -2181, -2141, + -360, -441, -1175, -1164, -2161, -477, -886, -878, + 528, 981, 972, 398, 377, 1312, 13978, -1470, + 677, -8, -105, -11925, -132, -28, -30, -321, + -1119, 33, 117, 1254, -15, -54, -577, 60, + -3435, 6770, 314, -885, 5686, -720, -2797, -6, + -47, -1973, 1419, 65, -129, -185, 366, 16, + 1192, -2349, -109, 307, 3171, 8774, -2260, 2679, + 3069, -613, -4699, -312, -438, -575, -1698, 437, + 1210, -518, -1435, 369, -594, -1643, 423, -501, + 5557, 1509, 5407, -125, -7386, -1884, -139, -1784, + 0, -3330, -511, -1834, -498, 42, 11, 41, + 2505, 680, 2438, -56, -2838, 2595, 13228, 271, + 1793, -491, -411, -10680, -4, -196, 449, 2291, + -2095, 47, -42, -219, 310, -284, -1447, -29, + 664, -278, 14966, 951, -711, -26, -4, -13672, + -55, -30, 11, -606, 253, -38, 16, -869, + 28, -12, 650, 41, 808, 1770, 8658, 5863, + -1486, -39, -191, -4576, -2098, -134, -87, -427, + -935, -289, -633, -3098, 73, 160, 785, 531, + 3063, 1539, 2000, -542, 9576, -572, -144, -244, + -17, -5597, -287, -374, -188, 101, 51, 66, + -1790, -900, -1169, 317, 514, 14083, -323, 896, + -891, -16, -12106, -6, -49, -48, -442, 10, + 277, -28, -770, 17, 27, 766, -17, 48, + 892, 158, 5237, 11057, -1603, -48, -1, -1674, + -7462, -156, -8, -285, -50, -602, -106, -3534, + 87, 15, 512, 1082, -1612, 2564, -4296, 12526, + 5710, -158, -401, -1126, -9576, -1990, 252, -422, + 672, 1232, -1960, 3284, 561, -893, 1497, -4365, + 4889, -6878, 612, 6109, 4753, -1459, -2887, -22, + -2277, -1379, 2052, -182, 257, -1823, 2564, -228, + -1418, 1995, -177, -1772, 3053, -506, 2403, 9625, + 1322, -569, -15, -352, -5655, -106, 94, -448, + 74, -1794, 297, -1412, -246, 40, -194, -777, + -754, 12904, 4480, -2113, 1471, -34, -10163, -1225, + -272, -132, 594, 206, -3529, -97, 1664, 577, + 67, -1159, -402, 189, 4255, 1476, 5055, 2393, + 2912, -1105, -132, -1559, -349, -517, -383, -1313, + -455, -621, -215, -738, -756, -262, -898, -425, + -1371, 535, 1417, 14604, -997, -114, -17, -122, + -13017, -60, 44, 118, -46, 1222, -477, -1263, + -83, 32, 86, 888, 5368, -1744, 4083, -1236, + 3753, -1758, -185, -1017, -93, -860, 571, -1338, + 434, 405, -131, 308, -1229, 399, -935, 283, + 1588, -3097, 14415, 3699, -1171, -154, -585, -12683, + -835, -83, 300, -1397, 2725, -358, 699, -3255, + 113, -221, 1030, 264, 212, 7989, 9471, -3344, + 2009, -2, -3895, -5475, -682, -246, -103, -123, + -4618, 43, 1630, 1933, -26, -979, -1161, 410, + 856, 2294, -627, 6930, 6929, -44, -321, -24, + -2931, -2930, -119, 32, 87, -362, -970, 265, + -362, -970, 265, -2931, 2357, -4187, 7162, 7683, + 3371, -339, -1070, -3131, -3603, -693, 602, -1030, + 1830, -1105, 1963, -3359, -485, 861, -1474, -1581, + 350, 4585, 14053, -3819, 1218, -7, -1283, -12054, + -890, -90, -97, -300, -3933, 81, 1068, 3275, + -26, -341, -1045, 284, -3248, 3531, 475, 2137, + 11711, -644, -761, -13, -278, -8372, 700, 94, + -102, 423, -460, -62, 2322, -2524, -340, -1528, + -3017, 3852, 1725, 8440, 5257, -555, -905, -181, + -4348, -1686, 709, 317, -405, 1554, -1984, -889, + 968, -1236, -553, -2708, -909, 3196, 15512, -2528, + 1066, -50, -623, -14686, -390, -69, 177, 861, + -3026, -140, 493, 2393, 59, -208, -1009, 164, + 959, -3370, 9617, 9545, -1761, -56, -693, -5645, + -5561, -189, 197, -563, 1978, -558, 1963, -5603, + 103, -362, 1034, 1026, 7575, 11796, -4845, 3252, + -1703, -3502, -8493, -1433, -645, -177, -5454, 2240, + 3488, -1503, -2341, 961, 787, 1226, -503, 338, + 6409, 1722, 1764, -4191, 6015, -2507, -181, -189, + -1072, -2208, -673, -690, -185, 1639, 440, 451, + -2353, -632, -647, 1538, -2420, 12161, 5038, 1286, + -2098, -357, -9027, -1549, -100, -268, 1796, 744, + -3740, 190, -954, -395, -310, 1557, 645, 164, + -2232, -1341, 7246, 9470, -1977, -304, -109, -3204, + -5474, -238, -182, 987, 593, 1290, 775, -4188, + -269, -161, 874, 1143, 1030, 7034, 4231, 1551, + 3077, -64, -3019, -1093, -146, -577, -442, -266, + -1816, -97, -666, -400, -193, -1321, -794, -291, + 5121, 11835, -477, -1749, 2298, -1601, -8549, -13, + -186, -322, -3699, 149, 344, 546, 1264, -50, + -718, -1660, 66, 245, -3328, 3827, 5921, 9976, + -1045, -676, -894, -2140, -6075, -66, 777, 1203, + -1383, 2027, -2330, -3605, -212, 244, 377, 636, + 3813, 5718, -4666, -3412, 5674, -887, -1995, -1329, + -710, -1965, -1331, 1086, 1628, 794, 1191, -972, + -1320, -1980, 1616, 1181, 1348, -3672, 13154, 6938, + -1690, -110, -823, -10561, -2938, -174, 302, -1082, + 2948, -570, 1555, -5570, 139, -379, 1357, 716, + 2151, -3586, 6949, 12131, -1224, -282, -785, -2947, + -8982, -91, 470, -912, 1521, -1592, 2655, -5145, + 160, -268, 519, 906, -2889, 9647, 10276, -2728, + 995, -509, -5680, -6445, -454, -60, 1701, 1812, + -6051, -481, 1606, 1711, 175, -586, -624, 165, + 6177, 2184, 555, 1985, 6589, -2329, -291, -18, + -240, -2650, -823, -209, -74, -748, -264, -67, + -2484, -878, -223, -798, -492, 391, 17166, -681, + 240, -14, -9, -17987, -28, -3, 11, 515, + -410, -20, 16, 713, 7, -5, -252, 10, + 12628, 5448, -2630, 3011, -2695, -9733, -1811, -422, + -553, -443, -4199, 2027, 874, -2321, -1001, 483, + 2077, 896, -432, 495, -3628, -534, 3447, 7002, + 6751, -803, -17, -725, -2992, -2782, -118, 763, + 112, 1550, 228, -1473, 1495, 220, -1420, -2885, + -5239, 5901, 8107, 3650, 4846, -1675, -2125, -4012, + -813, -1433, 1887, 2592, -2920, 1167, -1315, -1806, + 1550, -1745, -2398, -1080, 6157, 6678, 4099, -1074, + 2348, -2314, -2722, -1025, -70, -336, -2509, -1540, + -1670, 403, 437, 268, -882, -957, -587, 153, + 1079, 16099, 242, -881, 1690, -71, -15820, -3, + -47, -174, -1060, -16, -238, 58, 865, 13, + -111, -1661, -25, 90, -278, 227, -1039, 1636, + 16945, -4, -3, -65, -163, -17526, 3, -17, + 14, 27, -22, 103, 287, -234, 1074, -1693, + 15778, -1454, 574, -603, -107, -15195, -129, -20, + -22, 0, 1400, -553, 51, 581, -53, 21, + 103, -9, 3, -3, 2406, -836, 13224, 7993, + -4266, -353, -42, -10673, -3899, -1111, 122, -1942, + 674, -1174, 407, -6451, 626, -217, 3443, 2081, + 3184, 14368, -3336, 2255, -1801, -619, -12600, -679, + -310, -198, -2793, 648, 2926, -438, -1977, 459, + 350, 1580, -366, 247, -1698, 17076, 2504, -539, + -646, -176, -17798, -382, -17, -25, 1770, 259, + -2610, -55, 561, 82, -67, 673, 98, -21, + 2375, -797, -2696, 14483, 5383, -344, -38, -443, + -12803, -1769, 115, 391, -131, -2100, 705, 2384, + -780, 262, 886, -4759, -2691, 2554, -4520, 9573, + 10655, -442, -398, -1247, -5594, -6930, 419, -742, + 704, 1572, -1492, 2641, 1750, -1661, 2939, -6226, + -4332, -4399, -1657, 4880, 7375, -1145, -1181, -167, + -1453, -3319, -1163, -438, -444, 1290, 1310, 493, + 1950, 1980, 745, -2196, -3498, 7405, 9955, 2693, + -2971, -746, -3347, -6049, -442, -538, 1581, 2125, + -4499, 575, -1217, -1636, -634, 1342, 1805, 488, + 6717, -3792, 7739, 2798, 3489, -2754, -877, -3655, + -477, -743, 1554, -3173, 1791, -1147, 647, -1321, + -1430, 807, -1648, -595, 5263, 9770, 3463, 1069, + -3971, -1690, -5826, -732, -69, -962, -3138, -1112, + -2065, -343, -637, -226, 1275, 2368, 839, 259, + 1243, -2634, 16772, 1871, 332, -94, -423, -17169, + -213, -6, 199, -1273, 2696, -142, 300, -1915, + -25, 53, -339, -37, 2691, 2836, 3105, 5711, + 4817, -442, -491, -588, -1991, -1416, -465, -510, + -537, -938, -988, -1082, -791, -834, -913, -1679, + 4366, 2944, 7210, 3627, 1161, -1163, -529, -3172, + -803, -82, -784, -1921, -1295, -966, -651, -1596, + -309, -208, -511, -257, 13888, 3951, -671, -2305, + 3354, -11773, -953, -27, -324, -686, -3349, 569, + 161, 1954, 556, -94, -2843, -809, 137, 472, + 7053, 5847, 2929, 8378, -4794, -3036, -2086, -523, + -4284, -1403, -2517, -1261, -1045, -3607, -2990, -1498, + 2064, 1711, 857, 2451, -2191, 12838, 9182, -3915, + 1617, -293, -10059, -5146, -935, -159, 1717, 1228, + -7195, -523, 3068, 2194, 216, -1267, -906, 386, + -4881, 13114, 5767, -435, 4155, -1454, -10498, -2030, + -11, -1054, 3907, 1718, -4616, -129, 348, 153, + 1238, -3326, -1462, 110, 7843, -1250, 210, 7106, + -5203, -3754, -95, -2, -3082, -1652, 598, -100, + 16, -3402, 542, -91, 2491, -397, 66, 2257, + -2463, 8168, 14551, -3908, 1828, -370, -4072, -12923, + -932, -204, 1228, 2188, -7254, -587, 1948, 3471, + 274, -911, -1623, 436, -1579, 347, -272, -2735, + 16031, -152, -7, -4, -456, -15686, 33, -26, + 5, -263, 58, -45, 1545, -340, 266, 2676, + -6327, 1328, 5093, -5079, 7617, -2443, -107, -1583, + -1574, -3541, 513, 1967, -413, -1961, 411, 1578, + 2941, -617, -2367, 2361, 3286, -4509, 11306, 11025, + -2623, -659, -1241, -7802, -7419, -420, 904, -2267, + 3112, -2211, 3034, -7608, 526, -722, 1810, 1765, + 5567, 17853, -3754, 1166, -519, -1892, -19455, -860, + -83, -16, -6067, 1275, 4090, -396, -1271, 267, + 176, 566, -119, 37, -2136, -424, 15292, 5108, + -1648, -278, -10, -14273, -1593, -165, -55, 1993, + 396, 666, 132, -4768, -214, -42, 1538, 514, + 2267, -3297, 2549, 16563, -791, -313, -663, -396, + -16745, -38, 456, -352, 513, -2291, 3333, -2576, + 109, -159, 123, 799, 3655, 1899, -3364, 6279, + 12510, -815, -220, -690, -2406, -9552, -423, 750, + 390, -1400, -728, 1289, -2791, -1450, 2568, -4794, + 8052, 2285, -6193, 5138, 6003, -3957, -318, -2341, + -1611, -2199, -1123, 3044, 864, -2525, -716, 1942, + -2950, -837, 2269, -1882, -386, -2291, 7679, 15387, + -2723, -9, -320, -3599, -14452, -452, -54, 181, + 1074, 362, 2152, -7212, -64, -380, 1276, 2557, + 2777, -1173, 3984, 13079, 2508, -470, -84, -969, + -10440, -384, 198, -675, 285, -2217, 936, -3180, + -425, 179, -610, -2002, -1879, 1771, -2684, 16705, + 1833, -215, -191, -439, -17032, -205, 203, -308, + 290, 1916, -1805, 2736, 210, -198, 300, -1869, + 1052, 4495, 15519, 1467, -4032, -67, -1233, -14700, + -131, -992, -288, -997, -4257, -94, -402, -1389, + 259, 1106, 3819, 361, 3010, 2544, 6969, 7559, + 1996, -553, -395, -2964, -3487, -243, -467, -1280, + -1082, -1388, -1174, -3215, -366, -310, -849, -921, + -5209, -1867, 8713, 10351, 1549, -1656, -212, -4634, + -6540, -146, -593, 2770, 993, 3291, 1180, -5505, + 492, 176, -824, -979, -4314, 8513, 913, 7547, + -2723, -1135, -4423, -50, -3476, -452, 2241, 240, + -474, 1987, -3921, -420, -717, 1415, 151, 1254, + 12929, -1219, 2448, 1757, 6303, -10204, -90, -365, + -188, -2425, 962, -1932, 182, -1386, 130, -262, + -4974, 469, -941, -676, 6465, 4132, 3167, 3160, + 5697, -2551, -1042, -612, -609, -1981, -1630, -1249, + -798, -1247, -797, -611, -2248, -1437, -1101, -1099, + -3636, 4859, 18914, -1335, 810, -807, -1441, -21836, + -108, -40, 1078, 4198, -5609, -296, 396, 1541, + 179, -240, -936, 66, 8844, 7864, 654, -4063, + -5680, -4774, -3774, -26, -1007, -1969, -4245, -353, + -314, 2193, 1950, 162, 3066, 2726, 226, -1408, + 1859, 2634, 9228, 996, 9464, -211, -423, -5197, + -60, -5467, -299, -1047, -1483, -113, -160, -561, + -1074, -1521, -5330, -575, 2949, 12260, 10290, -497, + -3943, -530, -9174, -6463, -15, -949, -2206, -1852, + -7700, 89, 372, 312, 709, 2950, 2476, -119, + -2903, 1552, 14867, 9970, -496, -514, -147, -13491, + -6068, -15, 275, 2634, -1408, 1766, -944, -9047, + -87, 47, 450, 302, 3243, 8234, 7586, 3373, + 2151, -642, -4138, -3512, -694, -282, -1630, -1501, + -3812, -667, -1695, -1561, -425, -1081, -996, -442, + -9631, 60, 3501, 5359, 10150, -5662, 0, -748, + -1752, -6288, 35, 2058, -12, 3150, -19, -1145, + 5967, -37, -2169, -3320, -6874, -2553, -5446, -2195, + -7841, -2884, -397, -1810, -294, -3753, -1071, -2285, + -848, -921, -342, -729, -3290, -1221, -2606, -1050, + -3413, -1141, 4630, 13612, 7897, -711, -79, -1308, + -11310, -3806, -237, 964, 322, 2836, 948, -3847, + 1645, 550, -2231, -6561, 4410, -5678, 8006, -3992, + 3811, -1187, -1968, -3912, -973, -886, 1528, -2155, + 2775, 1074, -1383, 1951, -1025, 1321, -1862, 928, + 5659, 11535, 2203, -452, 7169, -1954, -8121, -296, + -12, -3137, -3984, -761, -1551, 156, 318, 60, + -2476, -5048, -964, 197, 2914, -2914, 3485, -3965, + 13675, -518, -518, -741, -959, -11414, 518, -620, + 620, 705, -705, 843, -2433, 2432, -2909, 3310, + 7843, 1907, 1022, 8882, 7972, -3755, -222, -63, + -4815, -3879, -913, -489, -119, -4252, -1034, -554, + -3816, -928, -497, -4322, 13807, 9531, 1436, 1612, + 1779, -11636, -5544, -125, -158, -193, -8032, -1210, + -835, -1358, -938, -141, -1499, -1035, -156, -175, + 13620, -5337, 5450, -2263, 1723, -11322, -1738, -1813, + -312, -181, 4436, -4531, 1775, 1881, -737, 752, + -1432, 561, -573, 238, 5297, 8374, 8872, 7694, + 6538, -1712, -4280, -4804, -3613, -2609, -2707, -2868, + -4534, -2487, -3932, -4166, -2113, -3341, -3540, -3070 +}; + +/* 0.65^i (Zero part) and 0.75^i (Pole part) scaled by 2^15 */ +static const int16_t postfilter_tbl[2][LPC_ORDER] = { + /* Zero */ + { 21299, 13844, 8999, 5849, 3802, 2471, 1606, 1044, 679, 441 }, + /* Pole */ + { 24576, 18432, 13824, 10368, 7776, 5832, 4374, 3281, 2460, 1845 } +}; + +#endif /* AVCODEC_G723_1_DATA_H */ -- cgit v1.2.3