making act segmenter

1 files changed, 0 insertions, 968 deletions

diff --git a/ffmpeg1/libavcodec/aacps.c b/ffmpeg1/libavcodec/aacps.c
deleted file mode 100644
index b82001e..0000000
--- a/ffmpeg1/libavcodec/aacps.c
+++ /dev/null
@@ -1,968 +0,0 @@
-/*
- * MPEG-4 Parametric Stereo decoding functions
- * Copyright (c) 2010 Alex Converse <alex.converse@gmail.com>
- *
- * 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 <stdint.h>
-#include "libavutil/common.h"
-#include "libavutil/internal.h"
-#include "libavutil/mathematics.h"
-#include "avcodec.h"
-#include "get_bits.h"
-#include "aacps.h"
-#include "aacps_tablegen.h"
-#include "aacpsdata.c"
-
-#define PS_BASELINE 0  ///< Operate in Baseline PS mode
-                       ///< Baseline implies 10 or 20 stereo bands,
-                       ///< mixing mode A, and no ipd/opd
-
-#define numQMFSlots 32 //numTimeSlots * RATE
-
-static const int8_t num_env_tab[2][4] = {
-    { 0, 1, 2, 4, },
-    { 1, 2, 3, 4, },
-};
-
-static const int8_t nr_iidicc_par_tab[] = {
-    10, 20, 34, 10, 20, 34,
-};
-
-static const int8_t nr_iidopd_par_tab[] = {
-     5, 11, 17,  5, 11, 17,
-};
-
-enum {
-    huff_iid_df1,
-    huff_iid_dt1,
-    huff_iid_df0,
-    huff_iid_dt0,
-    huff_icc_df,
-    huff_icc_dt,
-    huff_ipd_df,
-    huff_ipd_dt,
-    huff_opd_df,
-    huff_opd_dt,
-};
-
-static const int huff_iid[] = {
-    huff_iid_df0,
-    huff_iid_df1,
-    huff_iid_dt0,
-    huff_iid_dt1,
-};
-
-static VLC vlc_ps[10];
-
-#define READ_PAR_DATA(PAR, OFFSET, MASK, ERR_CONDITION) \
-/** \
- * Read Inter-channel Intensity Difference/Inter-Channel Coherence/ \
- * Inter-channel Phase Difference/Overall Phase Difference parameters from the \
- * bitstream. \
- * \
- * @param avctx contains the current codec context \
- * @param gb    pointer to the input bitstream \
- * @param ps    pointer to the Parametric Stereo context \
- * @param PAR   pointer to the parameter to be read \
- * @param e     envelope to decode \
- * @param dt    1: time delta-coded, 0: frequency delta-coded \
- */ \
-static int read_ ## PAR ## _data(AVCodecContext *avctx, GetBitContext *gb, PSContext *ps, \
-                        int8_t (*PAR)[PS_MAX_NR_IIDICC], int table_idx, int e, int dt) \
-{ \
-    int b, num = ps->nr_ ## PAR ## _par; \
-    VLC_TYPE (*vlc_table)[2] = vlc_ps[table_idx].table; \
-    if (dt) { \
-        int e_prev = e ? e - 1 : ps->num_env_old - 1; \
-        e_prev = FFMAX(e_prev, 0); \
-        for (b = 0; b < num; b++) { \
-            int val = PAR[e_prev][b] + get_vlc2(gb, vlc_table, 9, 3) - OFFSET; \
-            if (MASK) val &= MASK; \
-            PAR[e][b] = val; \
-            if (ERR_CONDITION) \
-                goto err; \
-        } \
-    } else { \
-        int val = 0; \
-        for (b = 0; b < num; b++) { \
-            val += get_vlc2(gb, vlc_table, 9, 3) - OFFSET; \
-            if (MASK) val &= MASK; \
-            PAR[e][b] = val; \
-            if (ERR_CONDITION) \
-                goto err; \
-        } \
-    } \
-    return 0; \
-err: \
-    av_log(avctx, AV_LOG_ERROR, "illegal "#PAR"\n"); \
-    return -1; \
-}
-
-READ_PAR_DATA(iid,    huff_offset[table_idx],    0, FFABS(ps->iid_par[e][b]) > 7 + 8 * ps->iid_quant)
-READ_PAR_DATA(icc,    huff_offset[table_idx],    0, ps->icc_par[e][b] > 7U)
-READ_PAR_DATA(ipdopd,                      0, 0x07, 0)
-
-static int ps_read_extension_data(GetBitContext *gb, PSContext *ps, int ps_extension_id)
-{
-    int e;
-    int count = get_bits_count(gb);
-
-    if (ps_extension_id)
-        return 0;
-
-    ps->enable_ipdopd = get_bits1(gb);
-    if (ps->enable_ipdopd) {
-        for (e = 0; e < ps->num_env; e++) {
-            int dt = get_bits1(gb);
-            read_ipdopd_data(NULL, gb, ps, ps->ipd_par, dt ? huff_ipd_dt : huff_ipd_df, e, dt);
-            dt = get_bits1(gb);
-            read_ipdopd_data(NULL, gb, ps, ps->opd_par, dt ? huff_opd_dt : huff_opd_df, e, dt);
-        }
-    }
-    skip_bits1(gb);      //reserved_ps
-    return get_bits_count(gb) - count;
-}
-
-static void ipdopd_reset(int8_t *ipd_hist, int8_t *opd_hist)
-{
-    int i;
-    for (i = 0; i < PS_MAX_NR_IPDOPD; i++) {
-        opd_hist[i] = 0;
-        ipd_hist[i] = 0;
-    }
-}
-
-int ff_ps_read_data(AVCodecContext *avctx, GetBitContext *gb_host, PSContext *ps, int bits_left)
-{
-    int e;
-    int bit_count_start = get_bits_count(gb_host);
-    int header;
-    int bits_consumed;
-    GetBitContext gbc = *gb_host, *gb = &gbc;
-
-    header = get_bits1(gb);
-    if (header) {     //enable_ps_header
-        ps->enable_iid = get_bits1(gb);
-        if (ps->enable_iid) {
-            int iid_mode = get_bits(gb, 3);
-            if (iid_mode > 5) {
-                av_log(avctx, AV_LOG_ERROR, "iid_mode %d is reserved.\n",
-                       iid_mode);
-                goto err;
-            }
-            ps->nr_iid_par    = nr_iidicc_par_tab[iid_mode];
-            ps->iid_quant     = iid_mode > 2;
-            ps->nr_ipdopd_par = nr_iidopd_par_tab[iid_mode];
-        }
-        ps->enable_icc = get_bits1(gb);
-        if (ps->enable_icc) {
-            ps->icc_mode = get_bits(gb, 3);
-            if (ps->icc_mode > 5) {
-                av_log(avctx, AV_LOG_ERROR, "icc_mode %d is reserved.\n",
-                       ps->icc_mode);
-                goto err;
-            }
-            ps->nr_icc_par = nr_iidicc_par_tab[ps->icc_mode];
-        }
-        ps->enable_ext = get_bits1(gb);
-    }
-
-    ps->frame_class = get_bits1(gb);
-    ps->num_env_old = ps->num_env;
-    ps->num_env     = num_env_tab[ps->frame_class][get_bits(gb, 2)];
-
-    ps->border_position[0] = -1;
-    if (ps->frame_class) {
-        for (e = 1; e <= ps->num_env; e++)
-            ps->border_position[e] = get_bits(gb, 5);
-    } else
-        for (e = 1; e <= ps->num_env; e++)
-            ps->border_position[e] = (e * numQMFSlots >> ff_log2_tab[ps->num_env]) - 1;
-
-    if (ps->enable_iid) {
-        for (e = 0; e < ps->num_env; e++) {
-            int dt = get_bits1(gb);
-            if (read_iid_data(avctx, gb, ps, ps->iid_par, huff_iid[2*dt+ps->iid_quant], e, dt))
-                goto err;
-        }
-    } else
-        memset(ps->iid_par, 0, sizeof(ps->iid_par));
-
-    if (ps->enable_icc)
-        for (e = 0; e < ps->num_env; e++) {
-            int dt = get_bits1(gb);
-            if (read_icc_data(avctx, gb, ps, ps->icc_par, dt ? huff_icc_dt : huff_icc_df, e, dt))
-                goto err;
-        }
-    else
-        memset(ps->icc_par, 0, sizeof(ps->icc_par));
-
-    if (ps->enable_ext) {
-        int cnt = get_bits(gb, 4);
-        if (cnt == 15) {
-            cnt += get_bits(gb, 8);
-        }
-        cnt *= 8;
-        while (cnt > 7) {
-            int ps_extension_id = get_bits(gb, 2);
-            cnt -= 2 + ps_read_extension_data(gb, ps, ps_extension_id);
-        }
-        if (cnt < 0) {
-            av_log(avctx, AV_LOG_ERROR, "ps extension overflow %d\n", cnt);
-            goto err;
-        }
-        skip_bits(gb, cnt);
-    }
-
-    ps->enable_ipdopd &= !PS_BASELINE;
-
-    //Fix up envelopes
-    if (!ps->num_env || ps->border_position[ps->num_env] < numQMFSlots - 1) {
-        //Create a fake envelope
-        int source = ps->num_env ? ps->num_env - 1 : ps->num_env_old - 1;
-        int b;
-        if (source >= 0 && source != ps->num_env) {
-            if (ps->enable_iid) {
-                memcpy(ps->iid_par+ps->num_env, ps->iid_par+source, sizeof(ps->iid_par[0]));
-            }
-            if (ps->enable_icc) {
-                memcpy(ps->icc_par+ps->num_env, ps->icc_par+source, sizeof(ps->icc_par[0]));
-            }
-            if (ps->enable_ipdopd) {
-                memcpy(ps->ipd_par+ps->num_env, ps->ipd_par+source, sizeof(ps->ipd_par[0]));
-                memcpy(ps->opd_par+ps->num_env, ps->opd_par+source, sizeof(ps->opd_par[0]));
-            }
-        }
-        if (ps->enable_iid){
-            for (b = 0; b < ps->nr_iid_par; b++) {
-                if (FFABS(ps->iid_par[ps->num_env][b]) > 7 + 8 * ps->iid_quant) {
-                    av_log(avctx, AV_LOG_ERROR, "iid_par invalid\n");
-                    goto err;
-                }
-            }
-        }
-        if (ps->enable_icc){
-            for (b = 0; b < ps->nr_iid_par; b++) {
-                if (ps->icc_par[ps->num_env][b] > 7U) {
-                    av_log(avctx, AV_LOG_ERROR, "icc_par invalid\n");
-                    goto err;
-                }
-            }
-        }
-        ps->num_env++;
-        ps->border_position[ps->num_env] = numQMFSlots - 1;
-    }
-
-
-    ps->is34bands_old = ps->is34bands;
-    if (!PS_BASELINE && (ps->enable_iid || ps->enable_icc))
-        ps->is34bands = (ps->enable_iid && ps->nr_iid_par == 34) ||
-                        (ps->enable_icc && ps->nr_icc_par == 34);
-
-    //Baseline
-    if (!ps->enable_ipdopd) {
-        memset(ps->ipd_par, 0, sizeof(ps->ipd_par));
-        memset(ps->opd_par, 0, sizeof(ps->opd_par));
-    }
-
-    if (header)
-        ps->start = 1;
-
-    bits_consumed = get_bits_count(gb) - bit_count_start;
-    if (bits_consumed <= bits_left) {
-        skip_bits_long(gb_host, bits_consumed);
-        return bits_consumed;
-    }
-    av_log(avctx, AV_LOG_ERROR, "Expected to read %d PS bits actually read %d.\n", bits_left, bits_consumed);
-err:
-    ps->start = 0;
-    skip_bits_long(gb_host, bits_left);
-    memset(ps->iid_par, 0, sizeof(ps->iid_par));
-    memset(ps->icc_par, 0, sizeof(ps->icc_par));
-    memset(ps->ipd_par, 0, sizeof(ps->ipd_par));
-    memset(ps->opd_par, 0, sizeof(ps->opd_par));
-    return bits_left;
-}
-
-/** Split one subband into 2 subsubbands with a symmetric real filter.
- * The filter must have its non-center even coefficients equal to zero. */
-static void hybrid2_re(float (*in)[2], float (*out)[32][2], const float filter[8], int len, int reverse)
-{
-    int i, j;
-    for (i = 0; i < len; i++, in++) {
-        float re_in = filter[6] * in[6][0];          //real inphase
-        float re_op = 0.0f;                          //real out of phase
-        float im_in = filter[6] * in[6][1];          //imag inphase
-        float im_op = 0.0f;                          //imag out of phase
-        for (j = 0; j < 6; j += 2) {
-            re_op += filter[j+1] * (in[j+1][0] + in[12-j-1][0]);
-            im_op += filter[j+1] * (in[j+1][1] + in[12-j-1][1]);
-        }
-        out[ reverse][i][0] = re_in + re_op;
-        out[ reverse][i][1] = im_in + im_op;
-        out[!reverse][i][0] = re_in - re_op;
-        out[!reverse][i][1] = im_in - im_op;
-    }
-}
-
-/** Split one subband into 6 subsubbands with a complex filter */
-static void hybrid6_cx(PSDSPContext *dsp, float (*in)[2], float (*out)[32][2], const float (*filter)[8][2], int len)
-{
-    int i;
-    int N = 8;
-    LOCAL_ALIGNED_16(float, temp, [8], [2]);
-
-    for (i = 0; i < len; i++, in++) {
-        dsp->hybrid_analysis(temp, in, filter, 1, N);
-        out[0][i][0] = temp[6][0];
-        out[0][i][1] = temp[6][1];
-        out[1][i][0] = temp[7][0];
-        out[1][i][1] = temp[7][1];
-        out[2][i][0] = temp[0][0];
-        out[2][i][1] = temp[0][1];
-        out[3][i][0] = temp[1][0];
-        out[3][i][1] = temp[1][1];
-        out[4][i][0] = temp[2][0] + temp[5][0];
-        out[4][i][1] = temp[2][1] + temp[5][1];
-        out[5][i][0] = temp[3][0] + temp[4][0];
-        out[5][i][1] = temp[3][1] + temp[4][1];
-    }
-}
-
-static void hybrid4_8_12_cx(PSDSPContext *dsp, float (*in)[2], float (*out)[32][2], const float (*filter)[8][2], int N, int len)
-{
-    int i;
-
-    for (i = 0; i < len; i++, in++) {
-        dsp->hybrid_analysis(out[0] + i, in, filter, 32, N);
-    }
-}
-
-static void hybrid_analysis(PSDSPContext *dsp, float out[91][32][2],
-                            float in[5][44][2], float L[2][38][64],
-                            int is34, int len)
-{
-    int i, j;
-    for (i = 0; i < 5; i++) {
-        for (j = 0; j < 38; j++) {
-            in[i][j+6][0] = L[0][j][i];
-            in[i][j+6][1] = L[1][j][i];
-        }
-    }
-    if (is34) {
-        hybrid4_8_12_cx(dsp, in[0], out,    f34_0_12, 12, len);
-        hybrid4_8_12_cx(dsp, in[1], out+12, f34_1_8,   8, len);
-        hybrid4_8_12_cx(dsp, in[2], out+20, f34_2_4,   4, len);
-        hybrid4_8_12_cx(dsp, in[3], out+24, f34_2_4,   4, len);
-        hybrid4_8_12_cx(dsp, in[4], out+28, f34_2_4,   4, len);
-        dsp->hybrid_analysis_ileave(out + 27, L, 5, len);
-    } else {
-        hybrid6_cx(dsp, in[0], out, f20_0_8, len);
-        hybrid2_re(in[1], out+6, g1_Q2, len, 1);
-        hybrid2_re(in[2], out+8, g1_Q2, len, 0);
-        dsp->hybrid_analysis_ileave(out + 7, L, 3, len);
-    }
-    //update in_buf
-    for (i = 0; i < 5; i++) {
-        memcpy(in[i], in[i]+32, 6 * sizeof(in[i][0]));
-    }
-}
-
-static void hybrid_synthesis(PSDSPContext *dsp, float out[2][38][64],
-                             float in[91][32][2], int is34, int len)
-{
-    int i, n;
-    if (is34) {
-        for (n = 0; n < len; n++) {
-            memset(out[0][n], 0, 5*sizeof(out[0][n][0]));
-            memset(out[1][n], 0, 5*sizeof(out[1][n][0]));
-            for (i = 0; i < 12; i++) {
-                out[0][n][0] += in[   i][n][0];
-                out[1][n][0] += in[   i][n][1];
-            }
-            for (i = 0; i < 8; i++) {
-                out[0][n][1] += in[12+i][n][0];
-                out[1][n][1] += in[12+i][n][1];
-            }
-            for (i = 0; i < 4; i++) {
-                out[0][n][2] += in[20+i][n][0];
-                out[1][n][2] += in[20+i][n][1];
-                out[0][n][3] += in[24+i][n][0];
-                out[1][n][3] += in[24+i][n][1];
-                out[0][n][4] += in[28+i][n][0];
-                out[1][n][4] += in[28+i][n][1];
-            }
-        }
-        dsp->hybrid_synthesis_deint(out, in + 27, 5, len);
-    } else {
-        for (n = 0; n < len; n++) {
-            out[0][n][0] = in[0][n][0] + in[1][n][0] + in[2][n][0] +
-                           in[3][n][0] + in[4][n][0] + in[5][n][0];
-            out[1][n][0] = in[0][n][1] + in[1][n][1] + in[2][n][1] +
-                           in[3][n][1] + in[4][n][1] + in[5][n][1];
-            out[0][n][1] = in[6][n][0] + in[7][n][0];
-            out[1][n][1] = in[6][n][1] + in[7][n][1];
-            out[0][n][2] = in[8][n][0] + in[9][n][0];
-            out[1][n][2] = in[8][n][1] + in[9][n][1];
-        }
-        dsp->hybrid_synthesis_deint(out, in + 7, 3, len);
-    }
-}
-
-/// All-pass filter decay slope
-#define DECAY_SLOPE      0.05f
-/// Number of frequency bands that can be addressed by the parameter index, b(k)
-static const int   NR_PAR_BANDS[]      = { 20, 34 };
-/// Number of frequency bands that can be addressed by the sub subband index, k
-static const int   NR_BANDS[]          = { 71, 91 };
-/// Start frequency band for the all-pass filter decay slope
-static const int   DECAY_CUTOFF[]      = { 10, 32 };
-/// Number of all-pass filer bands
-static const int   NR_ALLPASS_BANDS[]  = { 30, 50 };
-/// First stereo band using the short one sample delay
-static const int   SHORT_DELAY_BAND[]  = { 42, 62 };
-
-/** Table 8.46 */
-static void map_idx_10_to_20(int8_t *par_mapped, const int8_t *par, int full)
-{
-    int b;
-    if (full)
-        b = 9;
-    else {
-        b = 4;
-        par_mapped[10] = 0;
-    }
-    for (; b >= 0; b--) {
-        par_mapped[2*b+1] = par_mapped[2*b] = par[b];
-    }
-}
-
-static void map_idx_34_to_20(int8_t *par_mapped, const int8_t *par, int full)
-{
-    par_mapped[ 0] = (2*par[ 0] +   par[ 1]) / 3;
-    par_mapped[ 1] = (  par[ 1] + 2*par[ 2]) / 3;
-    par_mapped[ 2] = (2*par[ 3] +   par[ 4]) / 3;
-    par_mapped[ 3] = (  par[ 4] + 2*par[ 5]) / 3;
-    par_mapped[ 4] = (  par[ 6] +   par[ 7]) / 2;
-    par_mapped[ 5] = (  par[ 8] +   par[ 9]) / 2;
-    par_mapped[ 6] =    par[10];
-    par_mapped[ 7] =    par[11];
-    par_mapped[ 8] = (  par[12] +   par[13]) / 2;
-    par_mapped[ 9] = (  par[14] +   par[15]) / 2;
-    par_mapped[10] =    par[16];
-    if (full) {
-        par_mapped[11] =    par[17];
-        par_mapped[12] =    par[18];
-        par_mapped[13] =    par[19];
-        par_mapped[14] = (  par[20] +   par[21]) / 2;
-        par_mapped[15] = (  par[22] +   par[23]) / 2;
-        par_mapped[16] = (  par[24] +   par[25]) / 2;
-        par_mapped[17] = (  par[26] +   par[27]) / 2;
-        par_mapped[18] = (  par[28] +   par[29] +   par[30] +   par[31]) / 4;
-        par_mapped[19] = (  par[32] +   par[33]) / 2;
-    }
-}
-
-static void map_val_34_to_20(float par[PS_MAX_NR_IIDICC])
-{
-    par[ 0] = (2*par[ 0] +   par[ 1]) * 0.33333333f;
-    par[ 1] = (  par[ 1] + 2*par[ 2]) * 0.33333333f;
-    par[ 2] = (2*par[ 3] +   par[ 4]) * 0.33333333f;
-    par[ 3] = (  par[ 4] + 2*par[ 5]) * 0.33333333f;
-    par[ 4] = (  par[ 6] +   par[ 7]) * 0.5f;
-    par[ 5] = (  par[ 8] +   par[ 9]) * 0.5f;
-    par[ 6] =    par[10];
-    par[ 7] =    par[11];
-    par[ 8] = (  par[12] +   par[13]) * 0.5f;
-    par[ 9] = (  par[14] +   par[15]) * 0.5f;
-    par[10] =    par[16];
-    par[11] =    par[17];
-    par[12] =    par[18];
-    par[13] =    par[19];
-    par[14] = (  par[20] +   par[21]) * 0.5f;
-    par[15] = (  par[22] +   par[23]) * 0.5f;
-    par[16] = (  par[24] +   par[25]) * 0.5f;
-    par[17] = (  par[26] +   par[27]) * 0.5f;
-    par[18] = (  par[28] +   par[29] +   par[30] +   par[31]) * 0.25f;
-    par[19] = (  par[32] +   par[33]) * 0.5f;
-}
-
-static void map_idx_10_to_34(int8_t *par_mapped, const int8_t *par, int full)
-{
-    if (full) {
-        par_mapped[33] = par[9];
-        par_mapped[32] = par[9];
-        par_mapped[31] = par[9];
-        par_mapped[30] = par[9];
-        par_mapped[29] = par[9];
-        par_mapped[28] = par[9];
-        par_mapped[27] = par[8];
-        par_mapped[26] = par[8];
-        par_mapped[25] = par[8];
-        par_mapped[24] = par[8];
-        par_mapped[23] = par[7];
-        par_mapped[22] = par[7];
-        par_mapped[21] = par[7];
-        par_mapped[20] = par[7];
-        par_mapped[19] = par[6];
-        par_mapped[18] = par[6];
-        par_mapped[17] = par[5];
-        par_mapped[16] = par[5];
-    } else {
-        par_mapped[16] =      0;
-    }
-    par_mapped[15] = par[4];
-    par_mapped[14] = par[4];
-    par_mapped[13] = par[4];
-    par_mapped[12] = par[4];
-    par_mapped[11] = par[3];
-    par_mapped[10] = par[3];
-    par_mapped[ 9] = par[2];
-    par_mapped[ 8] = par[2];
-    par_mapped[ 7] = par[2];
-    par_mapped[ 6] = par[2];
-    par_mapped[ 5] = par[1];
-    par_mapped[ 4] = par[1];
-    par_mapped[ 3] = par[1];
-    par_mapped[ 2] = par[0];
-    par_mapped[ 1] = par[0];
-    par_mapped[ 0] = par[0];
-}
-
-static void map_idx_20_to_34(int8_t *par_mapped, const int8_t *par, int full)
-{
-    if (full) {
-        par_mapped[33] =  par[19];
-        par_mapped[32] =  par[19];
-        par_mapped[31] =  par[18];
-        par_mapped[30] =  par[18];
-        par_mapped[29] =  par[18];
-        par_mapped[28] =  par[18];
-        par_mapped[27] =  par[17];
-        par_mapped[26] =  par[17];
-        par_mapped[25] =  par[16];
-        par_mapped[24] =  par[16];
-        par_mapped[23] =  par[15];
-        par_mapped[22] =  par[15];
-        par_mapped[21] =  par[14];
-        par_mapped[20] =  par[14];
-        par_mapped[19] =  par[13];
-        par_mapped[18] =  par[12];
-        par_mapped[17] =  par[11];
-    }
-    par_mapped[16] =  par[10];
-    par_mapped[15] =  par[ 9];
-    par_mapped[14] =  par[ 9];
-    par_mapped[13] =  par[ 8];
-    par_mapped[12] =  par[ 8];
-    par_mapped[11] =  par[ 7];
-    par_mapped[10] =  par[ 6];
-    par_mapped[ 9] =  par[ 5];
-    par_mapped[ 8] =  par[ 5];
-    par_mapped[ 7] =  par[ 4];
-    par_mapped[ 6] =  par[ 4];
-    par_mapped[ 5] =  par[ 3];
-    par_mapped[ 4] = (par[ 2] + par[ 3]) / 2;
-    par_mapped[ 3] =  par[ 2];
-    par_mapped[ 2] =  par[ 1];
-    par_mapped[ 1] = (par[ 0] + par[ 1]) / 2;
-    par_mapped[ 0] =  par[ 0];
-}
-
-static void map_val_20_to_34(float par[PS_MAX_NR_IIDICC])
-{
-    par[33] =  par[19];
-    par[32] =  par[19];
-    par[31] =  par[18];
-    par[30] =  par[18];
-    par[29] =  par[18];
-    par[28] =  par[18];
-    par[27] =  par[17];
-    par[26] =  par[17];
-    par[25] =  par[16];
-    par[24] =  par[16];
-    par[23] =  par[15];
-    par[22] =  par[15];
-    par[21] =  par[14];
-    par[20] =  par[14];
-    par[19] =  par[13];
-    par[18] =  par[12];
-    par[17] =  par[11];
-    par[16] =  par[10];
-    par[15] =  par[ 9];
-    par[14] =  par[ 9];
-    par[13] =  par[ 8];
-    par[12] =  par[ 8];
-    par[11] =  par[ 7];
-    par[10] =  par[ 6];
-    par[ 9] =  par[ 5];
-    par[ 8] =  par[ 5];
-    par[ 7] =  par[ 4];
-    par[ 6] =  par[ 4];
-    par[ 5] =  par[ 3];
-    par[ 4] = (par[ 2] + par[ 3]) * 0.5f;
-    par[ 3] =  par[ 2];
-    par[ 2] =  par[ 1];
-    par[ 1] = (par[ 0] + par[ 1]) * 0.5f;
-}
-
-static void decorrelation(PSContext *ps, float (*out)[32][2], const float (*s)[32][2], int is34)
-{
-    LOCAL_ALIGNED_16(float, power, [34], [PS_QMF_TIME_SLOTS]);
-    LOCAL_ALIGNED_16(float, transient_gain, [34], [PS_QMF_TIME_SLOTS]);
-    float *peak_decay_nrg = ps->peak_decay_nrg;
-    float *power_smooth = ps->power_smooth;
-    float *peak_decay_diff_smooth = ps->peak_decay_diff_smooth;
-    float (*delay)[PS_QMF_TIME_SLOTS + PS_MAX_DELAY][2] = ps->delay;
-    float (*ap_delay)[PS_AP_LINKS][PS_QMF_TIME_SLOTS + PS_MAX_AP_DELAY][2] = ps->ap_delay;
-    const int8_t *k_to_i = is34 ? k_to_i_34 : k_to_i_20;
-    const float peak_decay_factor = 0.76592833836465f;
-    const float transient_impact  = 1.5f;
-    const float a_smooth          = 0.25f; ///< Smoothing coefficient
-    int i, k, m, n;
-    int n0 = 0, nL = 32;
-
-    memset(power, 0, 34 * sizeof(*power));
-
-    if (is34 != ps->is34bands_old) {
-        memset(ps->peak_decay_nrg,         0, sizeof(ps->peak_decay_nrg));
-        memset(ps->power_smooth,           0, sizeof(ps->power_smooth));
-        memset(ps->peak_decay_diff_smooth, 0, sizeof(ps->peak_decay_diff_smooth));
-        memset(ps->delay,                  0, sizeof(ps->delay));
-        memset(ps->ap_delay,               0, sizeof(ps->ap_delay));
-    }
-
-    for (k = 0; k < NR_BANDS[is34]; k++) {
-        int i = k_to_i[k];
-        ps->dsp.add_squares(power[i], s[k], nL - n0);
-    }
-
-    //Transient detection
-    for (i = 0; i < NR_PAR_BANDS[is34]; i++) {
-        for (n = n0; n < nL; n++) {
-            float decayed_peak = peak_decay_factor * peak_decay_nrg[i];
-            float denom;
-            peak_decay_nrg[i] = FFMAX(decayed_peak, power[i][n]);
-            power_smooth[i] += a_smooth * (power[i][n] - power_smooth[i]);
-            peak_decay_diff_smooth[i] += a_smooth * (peak_decay_nrg[i] - power[i][n] - peak_decay_diff_smooth[i]);
-            denom = transient_impact * peak_decay_diff_smooth[i];
-            transient_gain[i][n]   = (denom > power_smooth[i]) ?
-                                         power_smooth[i] / denom : 1.0f;
-        }
-    }
-
-    //Decorrelation and transient reduction
-    //                         PS_AP_LINKS - 1
-    //                               -----
-    //                                | |  Q_fract_allpass[k][m]*z^-link_delay[m] - a[m]*g_decay_slope[k]
-    //H[k][z] = z^-2 * phi_fract[k] * | | ----------------------------------------------------------------
-    //                                | | 1 - a[m]*g_decay_slope[k]*Q_fract_allpass[k][m]*z^-link_delay[m]
-    //                               m = 0
-    //d[k][z] (out) = transient_gain_mapped[k][z] * H[k][z] * s[k][z]
-    for (k = 0; k < NR_ALLPASS_BANDS[is34]; k++) {
-        int b = k_to_i[k];
-        float g_decay_slope = 1.f - DECAY_SLOPE * (k - DECAY_CUTOFF[is34]);
-        g_decay_slope = av_clipf(g_decay_slope, 0.f, 1.f);
-        memcpy(delay[k], delay[k]+nL, PS_MAX_DELAY*sizeof(delay[k][0]));
-        memcpy(delay[k]+PS_MAX_DELAY, s[k], numQMFSlots*sizeof(delay[k][0]));
-        for (m = 0; m < PS_AP_LINKS; m++) {
-            memcpy(ap_delay[k][m],   ap_delay[k][m]+numQMFSlots,           5*sizeof(ap_delay[k][m][0]));
-        }
-        ps->dsp.decorrelate(out[k], delay[k] + PS_MAX_DELAY - 2, ap_delay[k],
-                            phi_fract[is34][k], Q_fract_allpass[is34][k],
-                            transient_gain[b], g_decay_slope, nL - n0);
-    }
-    for (; k < SHORT_DELAY_BAND[is34]; k++) {
-        int i = k_to_i[k];
-        memcpy(delay[k], delay[k]+nL, PS_MAX_DELAY*sizeof(delay[k][0]));
-        memcpy(delay[k]+PS_MAX_DELAY, s[k], numQMFSlots*sizeof(delay[k][0]));
-        //H = delay 14
-        ps->dsp.mul_pair_single(out[k], delay[k] + PS_MAX_DELAY - 14,
-                                transient_gain[i], nL - n0);
-    }
-    for (; k < NR_BANDS[is34]; k++) {
-        int i = k_to_i[k];
-        memcpy(delay[k], delay[k]+nL, PS_MAX_DELAY*sizeof(delay[k][0]));
-        memcpy(delay[k]+PS_MAX_DELAY, s[k], numQMFSlots*sizeof(delay[k][0]));
-        //H = delay 1
-        ps->dsp.mul_pair_single(out[k], delay[k] + PS_MAX_DELAY - 1,
-                                transient_gain[i], nL - n0);
-    }
-}
-
-static void remap34(int8_t (**p_par_mapped)[PS_MAX_NR_IIDICC],
-                    int8_t           (*par)[PS_MAX_NR_IIDICC],
-                    int num_par, int num_env, int full)
-{
-    int8_t (*par_mapped)[PS_MAX_NR_IIDICC] = *p_par_mapped;
-    int e;
-    if (num_par == 20 || num_par == 11) {
-        for (e = 0; e < num_env; e++) {
-            map_idx_20_to_34(par_mapped[e], par[e], full);
-        }
-    } else if (num_par == 10 || num_par == 5) {
-        for (e = 0; e < num_env; e++) {
-            map_idx_10_to_34(par_mapped[e], par[e], full);
-        }
-    } else {
-        *p_par_mapped = par;
-    }
-}
-
-static void remap20(int8_t (**p_par_mapped)[PS_MAX_NR_IIDICC],
-                    int8_t           (*par)[PS_MAX_NR_IIDICC],
-                    int num_par, int num_env, int full)
-{
-    int8_t (*par_mapped)[PS_MAX_NR_IIDICC] = *p_par_mapped;
-    int e;
-    if (num_par == 34 || num_par == 17) {
-        for (e = 0; e < num_env; e++) {
-            map_idx_34_to_20(par_mapped[e], par[e], full);
-        }
-    } else if (num_par == 10 || num_par == 5) {
-        for (e = 0; e < num_env; e++) {
-            map_idx_10_to_20(par_mapped[e], par[e], full);
-        }
-    } else {
-        *p_par_mapped = par;
-    }
-}
-
-static void stereo_processing(PSContext *ps, float (*l)[32][2], float (*r)[32][2], int is34)
-{
-    int e, b, k;
-
-    float (*H11)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H11;
-    float (*H12)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H12;
-    float (*H21)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H21;
-    float (*H22)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H22;
-    int8_t *opd_hist = ps->opd_hist;
-    int8_t *ipd_hist = ps->ipd_hist;
-    int8_t iid_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC];
-    int8_t icc_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC];
-    int8_t ipd_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC];
-    int8_t opd_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC];
-    int8_t (*iid_mapped)[PS_MAX_NR_IIDICC] = iid_mapped_buf;
-    int8_t (*icc_mapped)[PS_MAX_NR_IIDICC] = icc_mapped_buf;
-    int8_t (*ipd_mapped)[PS_MAX_NR_IIDICC] = ipd_mapped_buf;
-    int8_t (*opd_mapped)[PS_MAX_NR_IIDICC] = opd_mapped_buf;
-    const int8_t *k_to_i = is34 ? k_to_i_34 : k_to_i_20;
-    const float (*H_LUT)[8][4] = (PS_BASELINE || ps->icc_mode < 3) ? HA : HB;
-
-    //Remapping
-    if (ps->num_env_old) {
-        memcpy(H11[0][0], H11[0][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H11[0][0][0]));
-        memcpy(H11[1][0], H11[1][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H11[1][0][0]));
-        memcpy(H12[0][0], H12[0][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H12[0][0][0]));
-        memcpy(H12[1][0], H12[1][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H12[1][0][0]));
-        memcpy(H21[0][0], H21[0][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H21[0][0][0]));
-        memcpy(H21[1][0], H21[1][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H21[1][0][0]));
-        memcpy(H22[0][0], H22[0][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H22[0][0][0]));
-        memcpy(H22[1][0], H22[1][ps->num_env_old], PS_MAX_NR_IIDICC*sizeof(H22[1][0][0]));
-    }
-
-    if (is34) {
-        remap34(&iid_mapped, ps->iid_par, ps->nr_iid_par, ps->num_env, 1);
-        remap34(&icc_mapped, ps->icc_par, ps->nr_icc_par, ps->num_env, 1);
-        if (ps->enable_ipdopd) {
-            remap34(&ipd_mapped, ps->ipd_par, ps->nr_ipdopd_par, ps->num_env, 0);
-            remap34(&opd_mapped, ps->opd_par, ps->nr_ipdopd_par, ps->num_env, 0);
-        }
-        if (!ps->is34bands_old) {
-            map_val_20_to_34(H11[0][0]);
-            map_val_20_to_34(H11[1][0]);
-            map_val_20_to_34(H12[0][0]);
-            map_val_20_to_34(H12[1][0]);
-            map_val_20_to_34(H21[0][0]);
-            map_val_20_to_34(H21[1][0]);
-            map_val_20_to_34(H22[0][0]);
-            map_val_20_to_34(H22[1][0]);
-            ipdopd_reset(ipd_hist, opd_hist);
-        }
-    } else {
-        remap20(&iid_mapped, ps->iid_par, ps->nr_iid_par, ps->num_env, 1);
-        remap20(&icc_mapped, ps->icc_par, ps->nr_icc_par, ps->num_env, 1);
-        if (ps->enable_ipdopd) {
-            remap20(&ipd_mapped, ps->ipd_par, ps->nr_ipdopd_par, ps->num_env, 0);
-            remap20(&opd_mapped, ps->opd_par, ps->nr_ipdopd_par, ps->num_env, 0);
-        }
-        if (ps->is34bands_old) {
-            map_val_34_to_20(H11[0][0]);
-            map_val_34_to_20(H11[1][0]);
-            map_val_34_to_20(H12[0][0]);
-            map_val_34_to_20(H12[1][0]);
-            map_val_34_to_20(H21[0][0]);
-            map_val_34_to_20(H21[1][0]);
-            map_val_34_to_20(H22[0][0]);
-            map_val_34_to_20(H22[1][0]);
-            ipdopd_reset(ipd_hist, opd_hist);
-        }
-    }
-
-    //Mixing
-    for (e = 0; e < ps->num_env; e++) {
-        for (b = 0; b < NR_PAR_BANDS[is34]; b++) {
-            float h11, h12, h21, h22;
-            h11 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][0];
-            h12 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][1];
-            h21 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][2];
-            h22 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps->iid_quant][icc_mapped[e][b]][3];
-            if (!PS_BASELINE && ps->enable_ipdopd && b < ps->nr_ipdopd_par) {
-                //The spec say says to only run this smoother when enable_ipdopd
-                //is set but the reference decoder appears to run it constantly
-                float h11i, h12i, h21i, h22i;
-                float ipd_adj_re, ipd_adj_im;
-                int opd_idx = opd_hist[b] * 8 + opd_mapped[e][b];
-                int ipd_idx = ipd_hist[b] * 8 + ipd_mapped[e][b];
-                float opd_re = pd_re_smooth[opd_idx];
-                float opd_im = pd_im_smooth[opd_idx];
-                float ipd_re = pd_re_smooth[ipd_idx];
-                float ipd_im = pd_im_smooth[ipd_idx];
-                opd_hist[b] = opd_idx & 0x3F;
-                ipd_hist[b] = ipd_idx & 0x3F;
-
-                ipd_adj_re = opd_re*ipd_re + opd_im*ipd_im;
-                ipd_adj_im = opd_im*ipd_re - opd_re*ipd_im;
-                h11i = h11 * opd_im;
-                h11  = h11 * opd_re;
-                h12i = h12 * ipd_adj_im;
-                h12  = h12 * ipd_adj_re;
-                h21i = h21 * opd_im;
-                h21  = h21 * opd_re;
-                h22i = h22 * ipd_adj_im;
-                h22  = h22 * ipd_adj_re;
-                H11[1][e+1][b] = h11i;
-                H12[1][e+1][b] = h12i;
-                H21[1][e+1][b] = h21i;
-                H22[1][e+1][b] = h22i;
-            }
-            H11[0][e+1][b] = h11;
-            H12[0][e+1][b] = h12;
-            H21[0][e+1][b] = h21;
-            H22[0][e+1][b] = h22;
-        }
-        for (k = 0; k < NR_BANDS[is34]; k++) {
-            float h[2][4];
-            float h_step[2][4];
-            int start = ps->border_position[e];
-            int stop  = ps->border_position[e+1];
-            float width = 1.f / (stop - start);
-            b = k_to_i[k];
-            h[0][0] = H11[0][e][b];
-            h[0][1] = H12[0][e][b];
-            h[0][2] = H21[0][e][b];
-            h[0][3] = H22[0][e][b];
-            if (!PS_BASELINE && ps->enable_ipdopd) {
-            //Is this necessary? ps_04_new seems unchanged
-            if ((is34 && k <= 13 && k >= 9) || (!is34 && k <= 1)) {
-                h[1][0] = -H11[1][e][b];
-                h[1][1] = -H12[1][e][b];
-                h[1][2] = -H21[1][e][b];
-                h[1][3] = -H22[1][e][b];
-            } else {
-                h[1][0] = H11[1][e][b];
-                h[1][1] = H12[1][e][b];
-                h[1][2] = H21[1][e][b];
-                h[1][3] = H22[1][e][b];
-            }
-            }
-            //Interpolation
-            h_step[0][0] = (H11[0][e+1][b] - h[0][0]) * width;
-            h_step[0][1] = (H12[0][e+1][b] - h[0][1]) * width;
-            h_step[0][2] = (H21[0][e+1][b] - h[0][2]) * width;
-            h_step[0][3] = (H22[0][e+1][b] - h[0][3]) * width;
-            if (!PS_BASELINE && ps->enable_ipdopd) {
-                h_step[1][0] = (H11[1][e+1][b] - h[1][0]) * width;
-                h_step[1][1] = (H12[1][e+1][b] - h[1][1]) * width;
-                h_step[1][2] = (H21[1][e+1][b] - h[1][2]) * width;
-                h_step[1][3] = (H22[1][e+1][b] - h[1][3]) * width;
-            }
-            ps->dsp.stereo_interpolate[!PS_BASELINE && ps->enable_ipdopd](
-                l[k] + start + 1, r[k] + start + 1,
-                h, h_step, stop - start);
-        }
-    }
-}
-
-int ff_ps_apply(AVCodecContext *avctx, PSContext *ps, float L[2][38][64], float R[2][38][64], int top)
-{
-    LOCAL_ALIGNED_16(float, Lbuf, [91], [32][2]);
-    LOCAL_ALIGNED_16(float, Rbuf, [91], [32][2]);
-    const int len = 32;
-    int is34 = ps->is34bands;
-
-    top += NR_BANDS[is34] - 64;
-    memset(ps->delay+top, 0, (NR_BANDS[is34] - top)*sizeof(ps->delay[0]));
-    if (top < NR_ALLPASS_BANDS[is34])
-        memset(ps->ap_delay + top, 0, (NR_ALLPASS_BANDS[is34] - top)*sizeof(ps->ap_delay[0]));
-
-    hybrid_analysis(&ps->dsp, Lbuf, ps->in_buf, L, is34, len);
-    decorrelation(ps, Rbuf, Lbuf, is34);
-    stereo_processing(ps, Lbuf, Rbuf, is34);
-    hybrid_synthesis(&ps->dsp, L, Lbuf, is34, len);
-    hybrid_synthesis(&ps->dsp, R, Rbuf, is34, len);
-
-    return 0;
-}
-
-#define PS_INIT_VLC_STATIC(num, size) \
-    INIT_VLC_STATIC(&vlc_ps[num], 9, ps_tmp[num].table_size / ps_tmp[num].elem_size,    \
-                    ps_tmp[num].ps_bits, 1, 1,                                          \
-                    ps_tmp[num].ps_codes, ps_tmp[num].elem_size, ps_tmp[num].elem_size, \
-                    size);
-
-#define PS_VLC_ROW(name) \
-    { name ## _codes, name ## _bits, sizeof(name ## _codes), sizeof(name ## _codes[0]) }
-
-av_cold void ff_ps_init(void) {
-    // Syntax initialization
-    static const struct {
-        const void *ps_codes, *ps_bits;
-        const unsigned int table_size, elem_size;
-    } ps_tmp[] = {
-        PS_VLC_ROW(huff_iid_df1),
-        PS_VLC_ROW(huff_iid_dt1),
-        PS_VLC_ROW(huff_iid_df0),
-        PS_VLC_ROW(huff_iid_dt0),
-        PS_VLC_ROW(huff_icc_df),
-        PS_VLC_ROW(huff_icc_dt),
-        PS_VLC_ROW(huff_ipd_df),
-        PS_VLC_ROW(huff_ipd_dt),
-        PS_VLC_ROW(huff_opd_df),
-        PS_VLC_ROW(huff_opd_dt),
-    };
-
-    PS_INIT_VLC_STATIC(0, 1544);
-    PS_INIT_VLC_STATIC(1,  832);
-    PS_INIT_VLC_STATIC(2, 1024);
-    PS_INIT_VLC_STATIC(3, 1036);
-    PS_INIT_VLC_STATIC(4,  544);
-    PS_INIT_VLC_STATIC(5,  544);
-    PS_INIT_VLC_STATIC(6,  512);
-    PS_INIT_VLC_STATIC(7,  512);
-    PS_INIT_VLC_STATIC(8,  512);
-    PS_INIT_VLC_STATIC(9,  512);
-
-    ps_tableinit();
-}
-
-av_cold void ff_ps_ctx_init(PSContext *ps)
-{
-    ff_psdsp_init(&ps->dsp);
-}