making act segmenter

1 files changed, 0 insertions, 472 deletions

diff --git a/ffmpeg1/libswresample/rematrix.c b/ffmpeg1/libswresample/rematrix.c
deleted file mode 100644
index 51658ce..0000000
--- a/ffmpeg1/libswresample/rematrix.c
+++ /dev/null
@@ -1,472 +0,0 @@
-/*
- * Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at)
- *
- * This file is part of libswresample
- *
- * libswresample 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.
- *
- * libswresample 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 libswresample; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
-
-#include "swresample_internal.h"
-#include "libavutil/avassert.h"
-#include "libavutil/channel_layout.h"
-
-#define TEMPLATE_REMATRIX_FLT
-#include "rematrix_template.c"
-#undef TEMPLATE_REMATRIX_FLT
-
-#define TEMPLATE_REMATRIX_DBL
-#include "rematrix_template.c"
-#undef TEMPLATE_REMATRIX_DBL
-
-#define TEMPLATE_REMATRIX_S16
-#include "rematrix_template.c"
-#undef TEMPLATE_REMATRIX_S16
-
-#define FRONT_LEFT             0
-#define FRONT_RIGHT            1
-#define FRONT_CENTER           2
-#define LOW_FREQUENCY          3
-#define BACK_LEFT              4
-#define BACK_RIGHT             5
-#define FRONT_LEFT_OF_CENTER   6
-#define FRONT_RIGHT_OF_CENTER  7
-#define BACK_CENTER            8
-#define SIDE_LEFT              9
-#define SIDE_RIGHT             10
-#define TOP_CENTER             11
-#define TOP_FRONT_LEFT         12
-#define TOP_FRONT_CENTER       13
-#define TOP_FRONT_RIGHT        14
-#define TOP_BACK_LEFT          15
-#define TOP_BACK_CENTER        16
-#define TOP_BACK_RIGHT         17
-
-int swr_set_matrix(struct SwrContext *s, const double *matrix, int stride)
-{
-    int nb_in, nb_out, in, out;
-
-    if (!s || s->in_convert) // s needs to be allocated but not initialized
-        return AVERROR(EINVAL);
-    memset(s->matrix, 0, sizeof(s->matrix));
-    nb_in  = av_get_channel_layout_nb_channels(s->in_ch_layout);
-    nb_out = av_get_channel_layout_nb_channels(s->out_ch_layout);
-    for (out = 0; out < nb_out; out++) {
-        for (in = 0; in < nb_in; in++)
-            s->matrix[out][in] = matrix[in];
-        matrix += stride;
-    }
-    s->rematrix_custom = 1;
-    return 0;
-}
-
-static int even(int64_t layout){
-    if(!layout) return 1;
-    if(layout&(layout-1)) return 1;
-    return 0;
-}
-
-static int clean_layout(SwrContext *s, int64_t layout){
-    if((layout & AV_CH_LAYOUT_STEREO_DOWNMIX) == AV_CH_LAYOUT_STEREO_DOWNMIX)
-        return AV_CH_LAYOUT_STEREO;
-
-    if(layout && layout != AV_CH_FRONT_CENTER && !(layout&(layout-1))) {
-        char buf[128];
-        av_get_channel_layout_string(buf, sizeof(buf), -1, layout);
-        av_log(s, AV_LOG_VERBOSE, "Treating %s as mono\n", buf);
-        return AV_CH_FRONT_CENTER;
-    }
-
-    return layout;
-}
-
-static int sane_layout(int64_t layout){
-    if(!(layout & AV_CH_LAYOUT_SURROUND)) // at least 1 front speaker
-        return 0;
-    if(!even(layout & (AV_CH_FRONT_LEFT | AV_CH_FRONT_RIGHT))) // no asymetric front
-        return 0;
-    if(!even(layout & (AV_CH_SIDE_LEFT | AV_CH_SIDE_RIGHT)))   // no asymetric side
-        return 0;
-    if(!even(layout & (AV_CH_BACK_LEFT | AV_CH_BACK_RIGHT)))
-        return 0;
-    if(!even(layout & (AV_CH_FRONT_LEFT_OF_CENTER | AV_CH_FRONT_RIGHT_OF_CENTER)))
-        return 0;
-    if(av_get_channel_layout_nb_channels(layout) >= SWR_CH_MAX)
-        return 0;
-
-    return 1;
-}
-
-av_cold static int auto_matrix(SwrContext *s)
-{
-    int i, j, out_i;
-    double matrix[64][64]={{0}};
-    int64_t unaccounted, in_ch_layout, out_ch_layout;
-    double maxcoef=0;
-    char buf[128];
-    const int matrix_encoding = s->matrix_encoding;
-
-    in_ch_layout = clean_layout(s, s->in_ch_layout);
-    if(!sane_layout(in_ch_layout)){
-        av_get_channel_layout_string(buf, sizeof(buf), -1, s->in_ch_layout);
-        av_log(s, AV_LOG_ERROR, "Input channel layout '%s' is not supported\n", buf);
-        return AVERROR(EINVAL);
-    }
-
-    out_ch_layout = clean_layout(s, s->out_ch_layout);
-    if(!sane_layout(out_ch_layout)){
-        av_get_channel_layout_string(buf, sizeof(buf), -1, s->out_ch_layout);
-        av_log(s, AV_LOG_ERROR, "Output channel layout '%s' is not supported\n", buf);
-        return AVERROR(EINVAL);
-    }
-
-    memset(s->matrix, 0, sizeof(s->matrix));
-    for(i=0; i<64; i++){
-        if(in_ch_layout & out_ch_layout & (1ULL<<i))
-            matrix[i][i]= 1.0;
-    }
-
-    unaccounted= in_ch_layout & ~out_ch_layout;
-
-//FIXME implement dolby surround
-//FIXME implement full ac3
-
-
-    if(unaccounted & AV_CH_FRONT_CENTER){
-        if((out_ch_layout & AV_CH_LAYOUT_STEREO) == AV_CH_LAYOUT_STEREO){
-            if(in_ch_layout & AV_CH_LAYOUT_STEREO) {
-                matrix[ FRONT_LEFT][FRONT_CENTER]+= s->clev;
-                matrix[FRONT_RIGHT][FRONT_CENTER]+= s->clev;
-            } else {
-                matrix[ FRONT_LEFT][FRONT_CENTER]+= M_SQRT1_2;
-                matrix[FRONT_RIGHT][FRONT_CENTER]+= M_SQRT1_2;
-            }
-        }else
-            av_assert0(0);
-    }
-    if(unaccounted & AV_CH_LAYOUT_STEREO){
-        if(out_ch_layout & AV_CH_FRONT_CENTER){
-            matrix[FRONT_CENTER][ FRONT_LEFT]+= M_SQRT1_2;
-            matrix[FRONT_CENTER][FRONT_RIGHT]+= M_SQRT1_2;
-            if(in_ch_layout & AV_CH_FRONT_CENTER)
-                matrix[FRONT_CENTER][ FRONT_CENTER] = s->clev*sqrt(2);
-        }else
-            av_assert0(0);
-    }
-
-    if(unaccounted & AV_CH_BACK_CENTER){
-        if(out_ch_layout & AV_CH_BACK_LEFT){
-            matrix[ BACK_LEFT][BACK_CENTER]+= M_SQRT1_2;
-            matrix[BACK_RIGHT][BACK_CENTER]+= M_SQRT1_2;
-        }else if(out_ch_layout & AV_CH_SIDE_LEFT){
-            matrix[ SIDE_LEFT][BACK_CENTER]+= M_SQRT1_2;
-            matrix[SIDE_RIGHT][BACK_CENTER]+= M_SQRT1_2;
-        }else if(out_ch_layout & AV_CH_FRONT_LEFT){
-            if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY ||
-                matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
-                if (unaccounted & (AV_CH_BACK_LEFT | AV_CH_SIDE_LEFT)) {
-                    matrix[FRONT_LEFT ][BACK_CENTER] -= s->slev * M_SQRT1_2;
-                    matrix[FRONT_RIGHT][BACK_CENTER] += s->slev * M_SQRT1_2;
-                } else {
-                    matrix[FRONT_LEFT ][BACK_CENTER] -= s->slev;
-                    matrix[FRONT_RIGHT][BACK_CENTER] += s->slev;
-                }
-            } else {
-                matrix[ FRONT_LEFT][BACK_CENTER]+= s->slev*M_SQRT1_2;
-                matrix[FRONT_RIGHT][BACK_CENTER]+= s->slev*M_SQRT1_2;
-            }
-        }else if(out_ch_layout & AV_CH_FRONT_CENTER){
-            matrix[ FRONT_CENTER][BACK_CENTER]+= s->slev*M_SQRT1_2;
-        }else
-            av_assert0(0);
-    }
-    if(unaccounted & AV_CH_BACK_LEFT){
-        if(out_ch_layout & AV_CH_BACK_CENTER){
-            matrix[BACK_CENTER][ BACK_LEFT]+= M_SQRT1_2;
-            matrix[BACK_CENTER][BACK_RIGHT]+= M_SQRT1_2;
-        }else if(out_ch_layout & AV_CH_SIDE_LEFT){
-            if(in_ch_layout & AV_CH_SIDE_LEFT){
-                matrix[ SIDE_LEFT][ BACK_LEFT]+= M_SQRT1_2;
-                matrix[SIDE_RIGHT][BACK_RIGHT]+= M_SQRT1_2;
-            }else{
-            matrix[ SIDE_LEFT][ BACK_LEFT]+= 1.0;
-            matrix[SIDE_RIGHT][BACK_RIGHT]+= 1.0;
-            }
-        }else if(out_ch_layout & AV_CH_FRONT_LEFT){
-            if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
-                matrix[FRONT_LEFT ][BACK_LEFT ] -= s->slev * M_SQRT1_2;
-                matrix[FRONT_LEFT ][BACK_RIGHT] -= s->slev * M_SQRT1_2;
-                matrix[FRONT_RIGHT][BACK_LEFT ] += s->slev * M_SQRT1_2;
-                matrix[FRONT_RIGHT][BACK_RIGHT] += s->slev * M_SQRT1_2;
-            } else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
-                matrix[FRONT_LEFT ][BACK_LEFT ] -= s->slev * SQRT3_2;
-                matrix[FRONT_LEFT ][BACK_RIGHT] -= s->slev * M_SQRT1_2;
-                matrix[FRONT_RIGHT][BACK_LEFT ] += s->slev * M_SQRT1_2;
-                matrix[FRONT_RIGHT][BACK_RIGHT] += s->slev * SQRT3_2;
-            } else {
-                matrix[ FRONT_LEFT][ BACK_LEFT] += s->slev;
-                matrix[FRONT_RIGHT][BACK_RIGHT] += s->slev;
-            }
-        }else if(out_ch_layout & AV_CH_FRONT_CENTER){
-            matrix[ FRONT_CENTER][BACK_LEFT ]+= s->slev*M_SQRT1_2;
-            matrix[ FRONT_CENTER][BACK_RIGHT]+= s->slev*M_SQRT1_2;
-        }else
-            av_assert0(0);
-    }
-
-    if(unaccounted & AV_CH_SIDE_LEFT){
-        if(out_ch_layout & AV_CH_BACK_LEFT){
-            /* if back channels do not exist in the input, just copy side
-               channels to back channels, otherwise mix side into back */
-            if (in_ch_layout & AV_CH_BACK_LEFT) {
-                matrix[BACK_LEFT ][SIDE_LEFT ] += M_SQRT1_2;
-                matrix[BACK_RIGHT][SIDE_RIGHT] += M_SQRT1_2;
-            } else {
-                matrix[BACK_LEFT ][SIDE_LEFT ] += 1.0;
-                matrix[BACK_RIGHT][SIDE_RIGHT] += 1.0;
-            }
-        }else if(out_ch_layout & AV_CH_BACK_CENTER){
-            matrix[BACK_CENTER][ SIDE_LEFT]+= M_SQRT1_2;
-            matrix[BACK_CENTER][SIDE_RIGHT]+= M_SQRT1_2;
-        }else if(out_ch_layout & AV_CH_FRONT_LEFT){
-            if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
-                matrix[FRONT_LEFT ][SIDE_LEFT ] -= s->slev * M_SQRT1_2;
-                matrix[FRONT_LEFT ][SIDE_RIGHT] -= s->slev * M_SQRT1_2;
-                matrix[FRONT_RIGHT][SIDE_LEFT ] += s->slev * M_SQRT1_2;
-                matrix[FRONT_RIGHT][SIDE_RIGHT] += s->slev * M_SQRT1_2;
-            } else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
-                matrix[FRONT_LEFT ][SIDE_LEFT ] -= s->slev * SQRT3_2;
-                matrix[FRONT_LEFT ][SIDE_RIGHT] -= s->slev * M_SQRT1_2;
-                matrix[FRONT_RIGHT][SIDE_LEFT ] += s->slev * M_SQRT1_2;
-                matrix[FRONT_RIGHT][SIDE_RIGHT] += s->slev * SQRT3_2;
-            } else {
-                matrix[ FRONT_LEFT][ SIDE_LEFT] += s->slev;
-                matrix[FRONT_RIGHT][SIDE_RIGHT] += s->slev;
-            }
-        }else if(out_ch_layout & AV_CH_FRONT_CENTER){
-            matrix[ FRONT_CENTER][SIDE_LEFT ]+= s->slev*M_SQRT1_2;
-            matrix[ FRONT_CENTER][SIDE_RIGHT]+= s->slev*M_SQRT1_2;
-        }else
-            av_assert0(0);
-    }
-
-    if(unaccounted & AV_CH_FRONT_LEFT_OF_CENTER){
-        if(out_ch_layout & AV_CH_FRONT_LEFT){
-            matrix[ FRONT_LEFT][ FRONT_LEFT_OF_CENTER]+= 1.0;
-            matrix[FRONT_RIGHT][FRONT_RIGHT_OF_CENTER]+= 1.0;
-        }else if(out_ch_layout & AV_CH_FRONT_CENTER){
-            matrix[ FRONT_CENTER][ FRONT_LEFT_OF_CENTER]+= M_SQRT1_2;
-            matrix[ FRONT_CENTER][FRONT_RIGHT_OF_CENTER]+= M_SQRT1_2;
-        }else
-            av_assert0(0);
-    }
-    /* mix LFE into front left/right or center */
-    if (unaccounted & AV_CH_LOW_FREQUENCY) {
-        if (out_ch_layout & AV_CH_FRONT_CENTER) {
-            matrix[FRONT_CENTER][LOW_FREQUENCY] += s->lfe_mix_level;
-        } else if (out_ch_layout & AV_CH_FRONT_LEFT) {
-            matrix[FRONT_LEFT ][LOW_FREQUENCY] += s->lfe_mix_level * M_SQRT1_2;
-            matrix[FRONT_RIGHT][LOW_FREQUENCY] += s->lfe_mix_level * M_SQRT1_2;
-        } else
-            av_assert0(0);
-    }
-
-    for(out_i=i=0; i<64; i++){
-        double sum=0;
-        int in_i=0;
-        for(j=0; j<64; j++){
-            s->matrix[out_i][in_i]= matrix[i][j];
-            if(matrix[i][j]){
-                sum += fabs(matrix[i][j]);
-            }
-            if(in_ch_layout & (1ULL<<j))
-                in_i++;
-        }
-        maxcoef= FFMAX(maxcoef, sum);
-        if(out_ch_layout & (1ULL<<i))
-            out_i++;
-    }
-    if(s->rematrix_volume  < 0)
-        maxcoef = -s->rematrix_volume;
-
-    if((   av_get_packed_sample_fmt(s->out_sample_fmt) < AV_SAMPLE_FMT_FLT
-        || av_get_packed_sample_fmt(s->int_sample_fmt) < AV_SAMPLE_FMT_FLT) && maxcoef > 1.0){
-        for(i=0; i<SWR_CH_MAX; i++)
-            for(j=0; j<SWR_CH_MAX; j++){
-                s->matrix[i][j] /= maxcoef;
-            }
-    }
-
-    if(s->rematrix_volume > 0){
-        for(i=0; i<SWR_CH_MAX; i++)
-            for(j=0; j<SWR_CH_MAX; j++){
-                s->matrix[i][j] *= s->rematrix_volume;
-            }
-    }
-
-    for(i=0; i<av_get_channel_layout_nb_channels(out_ch_layout); i++){
-        for(j=0; j<av_get_channel_layout_nb_channels(in_ch_layout); j++){
-            av_log(NULL, AV_LOG_DEBUG, "%f ", s->matrix[i][j]);
-        }
-        av_log(NULL, AV_LOG_DEBUG, "\n");
-    }
-    return 0;
-}
-
-av_cold int swri_rematrix_init(SwrContext *s){
-    int i, j;
-    int nb_in  = av_get_channel_layout_nb_channels(s->in_ch_layout);
-    int nb_out = av_get_channel_layout_nb_channels(s->out_ch_layout);
-
-    s->mix_any_f = NULL;
-
-    if (!s->rematrix_custom) {
-        int r = auto_matrix(s);
-        if (r)
-            return r;
-    }
-    if (s->midbuf.fmt == AV_SAMPLE_FMT_S16P){
-        s->native_matrix = av_mallocz(nb_in * nb_out * sizeof(int));
-        s->native_one    = av_mallocz(sizeof(int));
-        for (i = 0; i < nb_out; i++)
-            for (j = 0; j < nb_in; j++)
-                ((int*)s->native_matrix)[i * nb_in + j] = lrintf(s->matrix[i][j] * 32768);
-        *((int*)s->native_one) = 32768;
-        s->mix_1_1_f = (mix_1_1_func_type*)copy_s16;
-        s->mix_2_1_f = (mix_2_1_func_type*)sum2_s16;
-        s->mix_any_f = (mix_any_func_type*)get_mix_any_func_s16(s);
-    }else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP){
-        s->native_matrix = av_mallocz(nb_in * nb_out * sizeof(float));
-        s->native_one    = av_mallocz(sizeof(float));
-        for (i = 0; i < nb_out; i++)
-            for (j = 0; j < nb_in; j++)
-                ((float*)s->native_matrix)[i * nb_in + j] = s->matrix[i][j];
-        *((float*)s->native_one) = 1.0;
-        s->mix_1_1_f = (mix_1_1_func_type*)copy_float;
-        s->mix_2_1_f = (mix_2_1_func_type*)sum2_float;
-        s->mix_any_f = (mix_any_func_type*)get_mix_any_func_float(s);
-    }else if(s->midbuf.fmt == AV_SAMPLE_FMT_DBLP){
-        s->native_matrix = av_mallocz(nb_in * nb_out * sizeof(double));
-        s->native_one    = av_mallocz(sizeof(double));
-        for (i = 0; i < nb_out; i++)
-            for (j = 0; j < nb_in; j++)
-                ((double*)s->native_matrix)[i * nb_in + j] = s->matrix[i][j];
-        *((double*)s->native_one) = 1.0;
-        s->mix_1_1_f = (mix_1_1_func_type*)copy_double;
-        s->mix_2_1_f = (mix_2_1_func_type*)sum2_double;
-        s->mix_any_f = (mix_any_func_type*)get_mix_any_func_double(s);
-    }else
-        av_assert0(0);
-    //FIXME quantize for integeres
-    for (i = 0; i < SWR_CH_MAX; i++) {
-        int ch_in=0;
-        for (j = 0; j < SWR_CH_MAX; j++) {
-            s->matrix32[i][j]= lrintf(s->matrix[i][j] * 32768);
-            if(s->matrix[i][j])
-                s->matrix_ch[i][++ch_in]= j;
-        }
-        s->matrix_ch[i][0]= ch_in;
-    }
-
-    if(HAVE_YASM && HAVE_MMX) swri_rematrix_init_x86(s);
-
-    return 0;
-}
-
-av_cold void swri_rematrix_free(SwrContext *s){
-    av_freep(&s->native_matrix);
-    av_freep(&s->native_one);
-    av_freep(&s->native_simd_matrix);
-}
-
-int swri_rematrix(SwrContext *s, AudioData *out, AudioData *in, int len, int mustcopy){
-    int out_i, in_i, i, j;
-    int len1 = 0;
-    int off = 0;
-
-    if(s->mix_any_f) {
-        s->mix_any_f(out->ch, (const uint8_t **)in->ch, s->native_matrix, len);
-        return 0;
-    }
-
-    if(s->mix_2_1_simd || s->mix_1_1_simd){
-        len1= len&~15;
-        off = len1 * out->bps;
-    }
-
-    av_assert0(out->ch_count == av_get_channel_layout_nb_channels(s->out_ch_layout));
-    av_assert0(in ->ch_count == av_get_channel_layout_nb_channels(s-> in_ch_layout));
-
-    for(out_i=0; out_i<out->ch_count; out_i++){
-        switch(s->matrix_ch[out_i][0]){
-        case 0:
-            if(mustcopy)
-                memset(out->ch[out_i], 0, len * av_get_bytes_per_sample(s->int_sample_fmt));
-            break;
-        case 1:
-            in_i= s->matrix_ch[out_i][1];
-            if(s->matrix[out_i][in_i]!=1.0){
-                if(s->mix_1_1_simd && len1)
-                    s->mix_1_1_simd(out->ch[out_i]    , in->ch[in_i]    , s->native_simd_matrix, in->ch_count*out_i + in_i, len1);
-                if(len != len1)
-                    s->mix_1_1_f   (out->ch[out_i]+off, in->ch[in_i]+off, s->native_matrix, in->ch_count*out_i + in_i, len-len1);
-            }else if(mustcopy){
-                memcpy(out->ch[out_i], in->ch[in_i], len*out->bps);
-            }else{
-                out->ch[out_i]= in->ch[in_i];
-            }
-            break;
-        case 2: {
-            int in_i1 = s->matrix_ch[out_i][1];
-            int in_i2 = s->matrix_ch[out_i][2];
-            if(s->mix_2_1_simd && len1)
-                s->mix_2_1_simd(out->ch[out_i]    , in->ch[in_i1]    , in->ch[in_i2]    , s->native_simd_matrix, in->ch_count*out_i + in_i1, in->ch_count*out_i + in_i2, len1);
-            else
-                s->mix_2_1_f   (out->ch[out_i]    , in->ch[in_i1]    , in->ch[in_i2]    , s->native_matrix, in->ch_count*out_i + in_i1, in->ch_count*out_i + in_i2, len1);
-            if(len != len1)
-                s->mix_2_1_f   (out->ch[out_i]+off, in->ch[in_i1]+off, in->ch[in_i2]+off, s->native_matrix, in->ch_count*out_i + in_i1, in->ch_count*out_i + in_i2, len-len1);
-            break;}
-        default:
-            if(s->int_sample_fmt == AV_SAMPLE_FMT_FLTP){
-                for(i=0; i<len; i++){
-                    float v=0;
-                    for(j=0; j<s->matrix_ch[out_i][0]; j++){
-                        in_i= s->matrix_ch[out_i][1+j];
-                        v+= ((float*)in->ch[in_i])[i] * s->matrix[out_i][in_i];
-                    }
-                    ((float*)out->ch[out_i])[i]= v;
-                }
-            }else if(s->int_sample_fmt == AV_SAMPLE_FMT_DBLP){
-                for(i=0; i<len; i++){
-                    double v=0;
-                    for(j=0; j<s->matrix_ch[out_i][0]; j++){
-                        in_i= s->matrix_ch[out_i][1+j];
-                        v+= ((double*)in->ch[in_i])[i] * s->matrix[out_i][in_i];
-                    }
-                    ((double*)out->ch[out_i])[i]= v;
-                }
-            }else{
-                for(i=0; i<len; i++){
-                    int v=0;
-                    for(j=0; j<s->matrix_ch[out_i][0]; j++){
-                        in_i= s->matrix_ch[out_i][1+j];
-                        v+= ((int16_t*)in->ch[in_i])[i] * s->matrix32[out_i][in_i];
-                    }
-                    ((int16_t*)out->ch[out_i])[i]= (v + 16384)>>15;
-                }
-            }
-        }
-    }
-    return 0;
-}