667 lines
28 KiB
C
667 lines
28 KiB
C
/*
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* Copyright (C) 2011-2012 Michael Niedermayer (michaelni@gmx.at)
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*
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* This file is part of libswresample
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*
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* libswresample is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* libswresample is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with libswresample; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "swresample_internal.h"
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#include "libavutil/avassert.h"
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#include "libavutil/channel_layout.h"
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#include "libavutil/mem.h"
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#include "mathematics.h"
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#define LOG_TAG "SoftOPUS"
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#ifdef ANDROID_BUILD
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#include <sys/time.h>
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#define aml_print(fmt, ...) \
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do { \
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struct timespec ts; \
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clock_gettime(CLOCK_MONOTONIC_RAW, &ts); \
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printf("[%lld.%09ld]" fmt "\n",(long long)ts.tv_sec, ts.tv_nsec, ##__VA_ARGS__); \
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} while(0)
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#define ALOGD(fmt, ...) aml_print(fmt, ##__VA_ARGS__)
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#define ALOGI(fmt, ...) aml_print(fmt, ##__VA_ARGS__)
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#define ALOGW(fmt, ...) aml_print(fmt, ##__VA_ARGS__)
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#define ALOGE(fmt, ...) aml_print(fmt, ##__VA_ARGS__)
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#define ALOGV(fmt, ...) aml_print(fmt, ##__VA_ARGS__)
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#else
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#include <cutils/log.h>
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#endif
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#define TEMPLATE_REMATRIX_FLT
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#include "rematrix_template.c"
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#undef TEMPLATE_REMATRIX_FLT
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#define TEMPLATE_REMATRIX_DBL
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#include "rematrix_template.c"
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#undef TEMPLATE_REMATRIX_DBL
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#define TEMPLATE_REMATRIX_S16
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#include "rematrix_template.c"
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#define TEMPLATE_CLIP
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#include "rematrix_template.c"
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#undef TEMPLATE_CLIP
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#undef TEMPLATE_REMATRIX_S16
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#define TEMPLATE_REMATRIX_S32
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#include "rematrix_template.c"
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#undef TEMPLATE_REMATRIX_S32
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#define FRONT_LEFT 0
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#define FRONT_RIGHT 1
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#define FRONT_CENTER 2
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#define LOW_FREQUENCY 3
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#define BACK_LEFT 4
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#define BACK_RIGHT 5
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#define FRONT_LEFT_OF_CENTER 6
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#define FRONT_RIGHT_OF_CENTER 7
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#define BACK_CENTER 8
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#define SIDE_LEFT 9
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#define SIDE_RIGHT 10
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#define TOP_CENTER 11
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#define TOP_FRONT_LEFT 12
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#define TOP_FRONT_CENTER 13
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#define TOP_FRONT_RIGHT 14
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#define TOP_BACK_LEFT 15
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#define TOP_BACK_CENTER 16
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#define TOP_BACK_RIGHT 17
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#define NUM_NAMED_CHANNELS 18
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#define HAVE_X86ASM 0
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#define HAVE_MMX 0
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int swr_set_matrix(struct SwrContext *s, const double *matrix, int stride)
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{
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int nb_in, nb_out, in, out;
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if (!s || s->in_convert) // s needs to be allocated but not initialized
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return -1;//AVERROR(EINVAL);
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memset(s->matrix, 0, sizeof(s->matrix));
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memset(s->matrix_flt, 0, sizeof(s->matrix_flt));
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nb_in = s->user_in_chlayout.nb_channels;
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nb_out = s->user_out_chlayout.nb_channels;
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for (out = 0; out < nb_out; out++) {
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for (in = 0; in < nb_in; in++)
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s->matrix_flt[out][in] = s->matrix[out][in] = matrix[in];
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matrix += stride;
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}
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s->rematrix_custom = 1;
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return 0;
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}
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static int even(int64_t layout){
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if (!layout) return 1;
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if (layout&(layout-1)) return 1;
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return 0;
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}
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static int clean_layout(AVChannelLayout *out, const AVChannelLayout *in, void *s)
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{
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int ret = 0;
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if (av_channel_layout_index_from_channel(in, AV_CHAN_FRONT_CENTER) < 0 && in->nb_channels == 1) {
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char buf[128];
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av_channel_layout_describe(in, buf, sizeof(buf));
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ALOGV("Treating %s as mono\n", buf);
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*out = (AVChannelLayout)AV_CHANNEL_LAYOUT_MONO;
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} else
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ret = av_channel_layout_copy(out, in);
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return ret;
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}
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static int sane_layout(AVChannelLayout *ch_layout) {
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if (ch_layout->order != AV_CHANNEL_ORDER_NATIVE)
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return 0;
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if (!av_channel_layout_subset(ch_layout, AV_CH_LAYOUT_SURROUND)) // at least 1 front speaker
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return 0;
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if (!even(av_channel_layout_subset(ch_layout, (AV_CH_FRONT_LEFT | AV_CH_FRONT_RIGHT)))) // no asymmetric front
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return 0;
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if (!even(av_channel_layout_subset(ch_layout, (AV_CH_SIDE_LEFT | AV_CH_SIDE_RIGHT)))) // no asymmetric side
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return 0;
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if (!even(av_channel_layout_subset(ch_layout, (AV_CH_BACK_LEFT | AV_CH_BACK_RIGHT))))
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return 0;
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if (!even(av_channel_layout_subset(ch_layout, (AV_CH_FRONT_LEFT_OF_CENTER | AV_CH_FRONT_RIGHT_OF_CENTER))))
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return 0;
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if (!even(av_channel_layout_subset(ch_layout, (AV_CH_TOP_FRONT_LEFT | AV_CH_TOP_FRONT_RIGHT))))
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return 0;
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if (ch_layout->nb_channels >= SWR_CH_MAX)
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return 0;
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return 1;
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}
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av_cold int swr_build_matrix2(const AVChannelLayout *in_layout, const AVChannelLayout *out_layout,
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double center_mix_level, double surround_mix_level,
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double lfe_mix_level, double maxval,
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double rematrix_volume, double *matrix_param,
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ptrdiff_t stride, enum AVMatrixEncoding matrix_encoding, void *log_context)
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{
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int i, j, out_i, ret;
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AVChannelLayout in_ch_layout = { 0 }, out_ch_layout = { 0 };
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double matrix[NUM_NAMED_CHANNELS][NUM_NAMED_CHANNELS]={{0}};
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int64_t unaccounted;
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double maxcoef=0;
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char buf[128];
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ret = clean_layout(&in_ch_layout, in_layout, log_context);
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ret |= clean_layout(&out_ch_layout, out_layout, log_context);
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if (ret < 0)
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goto fail;
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if (!av_channel_layout_compare(&out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO_DOWNMIX)
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&& !av_channel_layout_subset(&in_ch_layout, AV_CH_LAYOUT_STEREO_DOWNMIX)
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) {
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av_channel_layout_uninit(&out_ch_layout);
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out_ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
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}
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if (!av_channel_layout_compare(&in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO_DOWNMIX)
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&& !av_channel_layout_subset(&out_ch_layout, AV_CH_LAYOUT_STEREO_DOWNMIX)
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) {
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av_channel_layout_uninit(&in_ch_layout);
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in_ch_layout = (AVChannelLayout)AV_CHANNEL_LAYOUT_STEREO;
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}
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if (!av_channel_layout_compare(&in_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_22POINT2) &&
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av_channel_layout_compare(&out_ch_layout, &(AVChannelLayout)AV_CHANNEL_LAYOUT_22POINT2)) {
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av_channel_layout_from_mask(&in_ch_layout, (AV_CH_LAYOUT_7POINT1_WIDE_BACK|AV_CH_BACK_CENTER));
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av_channel_layout_describe(&in_ch_layout, buf, sizeof(buf));
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av_log(log_context, AV_LOG_WARNING,
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"Full-on remixing from 22.2 has not yet been implemented! "
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"Processing the input as '%s'\n",
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buf);
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}
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if (!av_channel_layout_check(&in_ch_layout)) {
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av_log(log_context, AV_LOG_ERROR, "Input channel layout is invalid\n");
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return -1;//ret = AVERROR(EINVAL);
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goto fail;
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}
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if (!sane_layout(&in_ch_layout)) {
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av_channel_layout_describe(&in_ch_layout, buf, sizeof(buf));
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ALOGE("Input channel layout '%s' is not supported\n", buf);
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return -1;//ret = AVERROR(EINVAL);
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goto fail;
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}
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if (!av_channel_layout_check(&out_ch_layout)) {
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av_log(log_context, AV_LOG_ERROR, "Output channel layout is invalid\n");
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return -1;//ret = AVERROR(EINVAL);
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goto fail;
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}
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if (!sane_layout(&out_ch_layout)) {
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av_channel_layout_describe(&out_ch_layout, buf, sizeof(buf));
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ALOGE("Output channel layout '%s' is not supported\n", buf);
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return -1;//AVERROR(EINVAL);
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goto fail;
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}
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for (i = 0; i < FF_ARRAY_ELEMS(matrix); i++) {
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if (av_channel_layout_index_from_channel(&in_ch_layout, i) >= 0
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&& av_channel_layout_index_from_channel(&out_ch_layout, i) >= 0)
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matrix[i][i]= 1.0;
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}
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unaccounted = in_ch_layout.u.mask & ~out_ch_layout.u.mask;
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//FIXME implement dolby surround
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//FIXME implement full ac3
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if (unaccounted & AV_CH_FRONT_CENTER) {
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if (av_channel_layout_subset(&out_ch_layout, AV_CH_LAYOUT_STEREO) == AV_CH_LAYOUT_STEREO) {
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if (av_channel_layout_subset(&in_ch_layout, AV_CH_LAYOUT_STEREO)) {
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matrix[ FRONT_LEFT][FRONT_CENTER]+= center_mix_level;
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matrix[FRONT_RIGHT][FRONT_CENTER]+= center_mix_level;
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} else {
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matrix[ FRONT_LEFT][FRONT_CENTER]+= M_SQRT1_2;
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matrix[FRONT_RIGHT][FRONT_CENTER]+= M_SQRT1_2;
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}
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} else
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av_assert0(0);
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}
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if (unaccounted & AV_CH_LAYOUT_STEREO) {
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if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
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matrix[FRONT_CENTER][ FRONT_LEFT]+= M_SQRT1_2;
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matrix[FRONT_CENTER][FRONT_RIGHT]+= M_SQRT1_2;
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if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_FRONT_CENTER) >= 0)
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matrix[FRONT_CENTER][ FRONT_CENTER] = center_mix_level*sqrt(2);
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} else
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av_assert0(0);
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}
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if (unaccounted & AV_CH_BACK_CENTER) {
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if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_BACK_LEFT) >= 0) {
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matrix[ BACK_LEFT][BACK_CENTER]+= M_SQRT1_2;
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matrix[BACK_RIGHT][BACK_CENTER]+= M_SQRT1_2;
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_SIDE_LEFT) >= 0) {
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matrix[ SIDE_LEFT][BACK_CENTER]+= M_SQRT1_2;
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matrix[SIDE_RIGHT][BACK_CENTER]+= M_SQRT1_2;
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
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if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY ||
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matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
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if (unaccounted & (AV_CH_BACK_LEFT | AV_CH_SIDE_LEFT)) {
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matrix[FRONT_LEFT ][BACK_CENTER] -= surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][BACK_CENTER] += surround_mix_level * M_SQRT1_2;
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} else {
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matrix[FRONT_LEFT ][BACK_CENTER] -= surround_mix_level;
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matrix[FRONT_RIGHT][BACK_CENTER] += surround_mix_level;
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}
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} else {
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matrix[ FRONT_LEFT][BACK_CENTER]+= surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][BACK_CENTER]+= surround_mix_level * M_SQRT1_2;
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}
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
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matrix[ FRONT_CENTER][BACK_CENTER]+= surround_mix_level * M_SQRT1_2;
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} else
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av_assert0(0);
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}
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if (unaccounted & AV_CH_BACK_LEFT) {
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if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_BACK_CENTER) >= 0) {
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matrix[BACK_CENTER][ BACK_LEFT]+= M_SQRT1_2;
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matrix[BACK_CENTER][BACK_RIGHT]+= M_SQRT1_2;
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_SIDE_LEFT) >= 0) {
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if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_SIDE_LEFT) >= 0) {
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matrix[ SIDE_LEFT][ BACK_LEFT]+= M_SQRT1_2;
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matrix[SIDE_RIGHT][BACK_RIGHT]+= M_SQRT1_2;
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} else {
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matrix[ SIDE_LEFT][ BACK_LEFT]+= 1.0;
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matrix[SIDE_RIGHT][BACK_RIGHT]+= 1.0;
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}
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
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if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
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matrix[FRONT_LEFT ][BACK_LEFT ] -= surround_mix_level * M_SQRT1_2;
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matrix[FRONT_LEFT ][BACK_RIGHT] -= surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][BACK_LEFT ] += surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][BACK_RIGHT] += surround_mix_level * M_SQRT1_2;
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} else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
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matrix[FRONT_LEFT ][BACK_LEFT ] -= surround_mix_level * SQRT3_2;
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matrix[FRONT_LEFT ][BACK_RIGHT] -= surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][BACK_LEFT ] += surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][BACK_RIGHT] += surround_mix_level * SQRT3_2;
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} else {
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matrix[ FRONT_LEFT][ BACK_LEFT] += surround_mix_level;
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matrix[FRONT_RIGHT][BACK_RIGHT] += surround_mix_level;
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}
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
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matrix[ FRONT_CENTER][BACK_LEFT ]+= surround_mix_level*M_SQRT1_2;
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matrix[ FRONT_CENTER][BACK_RIGHT]+= surround_mix_level*M_SQRT1_2;
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} else
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av_assert0(0);
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}
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if (unaccounted & AV_CH_SIDE_LEFT) {
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if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_BACK_LEFT) >= 0) {
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/* if back channels do not exist in the input, just copy side
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channels to back channels, otherwise mix side into back */
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if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_BACK_LEFT) >= 0) {
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matrix[BACK_LEFT ][SIDE_LEFT ] += M_SQRT1_2;
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matrix[BACK_RIGHT][SIDE_RIGHT] += M_SQRT1_2;
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} else {
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matrix[BACK_LEFT ][SIDE_LEFT ] += 1.0;
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matrix[BACK_RIGHT][SIDE_RIGHT] += 1.0;
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}
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_BACK_CENTER) >= 0) {
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matrix[BACK_CENTER][ SIDE_LEFT]+= M_SQRT1_2;
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matrix[BACK_CENTER][SIDE_RIGHT]+= M_SQRT1_2;
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
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if (matrix_encoding == AV_MATRIX_ENCODING_DOLBY) {
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matrix[FRONT_LEFT ][SIDE_LEFT ] -= surround_mix_level * M_SQRT1_2;
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matrix[FRONT_LEFT ][SIDE_RIGHT] -= surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][SIDE_LEFT ] += surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][SIDE_RIGHT] += surround_mix_level * M_SQRT1_2;
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} else if (matrix_encoding == AV_MATRIX_ENCODING_DPLII) {
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matrix[FRONT_LEFT ][SIDE_LEFT ] -= surround_mix_level * SQRT3_2;
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matrix[FRONT_LEFT ][SIDE_RIGHT] -= surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][SIDE_LEFT ] += surround_mix_level * M_SQRT1_2;
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matrix[FRONT_RIGHT][SIDE_RIGHT] += surround_mix_level * SQRT3_2;
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} else {
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matrix[ FRONT_LEFT][ SIDE_LEFT] += surround_mix_level;
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matrix[FRONT_RIGHT][SIDE_RIGHT] += surround_mix_level;
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}
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
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matrix[ FRONT_CENTER][SIDE_LEFT ]+= surround_mix_level * M_SQRT1_2;
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matrix[ FRONT_CENTER][SIDE_RIGHT]+= surround_mix_level * M_SQRT1_2;
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} else
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av_assert0(0);
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}
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if (unaccounted & AV_CH_FRONT_LEFT_OF_CENTER) {
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if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
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matrix[ FRONT_LEFT][ FRONT_LEFT_OF_CENTER]+= 1.0;
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matrix[FRONT_RIGHT][FRONT_RIGHT_OF_CENTER]+= 1.0;
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
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matrix[ FRONT_CENTER][ FRONT_LEFT_OF_CENTER]+= M_SQRT1_2;
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matrix[ FRONT_CENTER][FRONT_RIGHT_OF_CENTER]+= M_SQRT1_2;
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}else
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av_assert0(0);
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}
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if (unaccounted & AV_CH_TOP_FRONT_LEFT) {
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if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_TOP_FRONT_CENTER) >= 0) {
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matrix[TOP_FRONT_CENTER][TOP_FRONT_LEFT ] += M_SQRT1_2;
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matrix[TOP_FRONT_CENTER][TOP_FRONT_RIGHT] += M_SQRT1_2;
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if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_TOP_FRONT_CENTER) >= 0)
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matrix[TOP_FRONT_CENTER][TOP_FRONT_CENTER] = center_mix_level * sqrt(2);
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
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if (av_channel_layout_index_from_channel(&in_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
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matrix[FRONT_LEFT ][TOP_FRONT_LEFT ] += M_SQRT1_2;
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matrix[FRONT_RIGHT][TOP_FRONT_RIGHT] += M_SQRT1_2;
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} else {
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matrix[FRONT_LEFT ][TOP_FRONT_LEFT ] += 1.0;
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matrix[FRONT_RIGHT][TOP_FRONT_RIGHT] += 1.0;
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}
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} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
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matrix[FRONT_CENTER][TOP_FRONT_LEFT ] += M_SQRT1_2;
|
|
matrix[FRONT_CENTER][TOP_FRONT_RIGHT] += M_SQRT1_2;
|
|
} else
|
|
av_assert0(0);
|
|
}
|
|
/* mix LFE into front left/right or center */
|
|
if (unaccounted & AV_CH_LOW_FREQUENCY) {
|
|
if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_CENTER) >= 0) {
|
|
matrix[FRONT_CENTER][LOW_FREQUENCY] += lfe_mix_level;
|
|
} else if (av_channel_layout_index_from_channel(&out_ch_layout, AV_CHAN_FRONT_LEFT) >= 0) {
|
|
matrix[FRONT_LEFT ][LOW_FREQUENCY] += lfe_mix_level * M_SQRT1_2;
|
|
matrix[FRONT_RIGHT][LOW_FREQUENCY] += 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;
|
|
if (av_channel_layout_index_from_channel(&out_ch_layout, i) < 0)
|
|
continue;
|
|
for (j=0; j<64; j++) {
|
|
if (av_channel_layout_index_from_channel(&in_ch_layout, j) < 0)
|
|
continue;
|
|
if (i < FF_ARRAY_ELEMS(matrix) && j < FF_ARRAY_ELEMS(matrix[0]))
|
|
matrix_param[stride*out_i + in_i] = matrix[i][j];
|
|
else
|
|
matrix_param[stride*out_i + in_i] = i == j &&
|
|
( av_channel_layout_index_from_channel(&in_ch_layout, i) >= 0
|
|
&& av_channel_layout_index_from_channel(&out_ch_layout, i) >= 0);
|
|
sum += fabs(matrix_param[stride*out_i + in_i]);
|
|
in_i++;
|
|
}
|
|
maxcoef= FFMAX(maxcoef, sum);
|
|
out_i++;
|
|
}
|
|
if (rematrix_volume < 0)
|
|
maxcoef = -rematrix_volume;
|
|
|
|
if (maxcoef > maxval || rematrix_volume < 0) {
|
|
maxcoef /= maxval;
|
|
for (i = 0; i < SWR_CH_MAX; i++)
|
|
for (j = 0; j < SWR_CH_MAX; j++) {
|
|
matrix_param[stride*i + j] /= maxcoef;
|
|
}
|
|
}
|
|
|
|
if (rematrix_volume > 0) {
|
|
for (i = 0; i < SWR_CH_MAX; i++)
|
|
for (j = 0; j < SWR_CH_MAX; j++) {
|
|
matrix_param[stride*i + j] *= rematrix_volume;
|
|
}
|
|
}
|
|
|
|
ALOGD("Matrix coefficients:\n");
|
|
for (i = 0; i < out_ch_layout.nb_channels; i++) {
|
|
const char *c =
|
|
av_channel_name(buf, sizeof(buf), av_channel_layout_channel_from_index(&out_ch_layout, i));
|
|
ALOGD("%s: ", c ? c : "?");
|
|
for (j = 0; j < in_ch_layout.nb_channels; j++) {
|
|
av_channel_name(buf, sizeof(buf), av_channel_layout_channel_from_index(&in_ch_layout, j));
|
|
av_log(log_context, AV_LOG_DEBUG, "%s:%f ", buf, matrix_param[stride*i + j]);
|
|
}
|
|
ALOGD("\n");
|
|
}
|
|
|
|
ret = 0;
|
|
fail:
|
|
av_channel_layout_uninit(&in_ch_layout);
|
|
av_channel_layout_uninit(&out_ch_layout);
|
|
|
|
return ret;
|
|
}
|
|
|
|
av_cold static int auto_matrix(SwrContext *s)
|
|
{
|
|
double maxval;
|
|
int ret;
|
|
|
|
if (s->rematrix_maxval > 0) {
|
|
maxval = s->rematrix_maxval;
|
|
} else 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) {
|
|
maxval = 1.0;
|
|
} else
|
|
maxval = INT_MAX;
|
|
|
|
memset(s->matrix, 0, sizeof(s->matrix));
|
|
ret = swr_build_matrix2(&s->in_ch_layout, &s->out_ch_layout,
|
|
s->clev, s->slev, s->lfe_mix_level,
|
|
maxval, s->rematrix_volume, (double*)s->matrix,
|
|
s->matrix[1] - s->matrix[0], s->matrix_encoding, s);
|
|
|
|
if (ret >= 0 && s->int_sample_fmt == AV_SAMPLE_FMT_FLTP) {
|
|
int i, j;
|
|
for (i = 0; i < FF_ARRAY_ELEMS(s->matrix[0]); i++)
|
|
for (j = 0; j < FF_ARRAY_ELEMS(s->matrix[0]); j++)
|
|
s->matrix_flt[i][j] = s->matrix[i][j];
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
av_cold int swri_rematrix_init(SwrContext *s){
|
|
int i, j;
|
|
int nb_in = s->used_ch_layout.nb_channels;
|
|
int nb_out = s->out.ch_count;
|
|
|
|
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) {
|
|
int maxsum = 0;
|
|
s->native_matrix = av_calloc(nb_in * nb_out, sizeof(int));
|
|
s->native_one = av_mallocz(sizeof(int));
|
|
if (!s->native_matrix || !s->native_one)
|
|
return -1;//AVERROR(ENOMEM);
|
|
for (i = 0; i < nb_out; i++) {
|
|
double rem = 0;
|
|
int sum = 0;
|
|
|
|
for (j = 0; j < nb_in; j++) {
|
|
double target = s->matrix[i][j] * 32768 + rem;
|
|
((int*)s->native_matrix)[i * nb_in + j] = lrintf(target);
|
|
rem += target - ((int*)s->native_matrix)[i * nb_in + j];
|
|
sum += FFABS(((int*)s->native_matrix)[i * nb_in + j]);
|
|
}
|
|
maxsum = FFMAX(maxsum, sum);
|
|
}
|
|
*((int*)s->native_one) = 32768;
|
|
if (maxsum <= 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 {
|
|
s->mix_1_1_f = (mix_1_1_func_type*)copy_clip_s16;
|
|
s->mix_2_1_f = (mix_2_1_func_type*)sum2_clip_s16;
|
|
s->mix_any_f = (mix_any_func_type*)get_mix_any_func_clip_s16(s);
|
|
}
|
|
}else if(s->midbuf.fmt == AV_SAMPLE_FMT_FLTP) {
|
|
s->native_matrix = av_calloc(nb_in * nb_out, sizeof(float));
|
|
s->native_one = av_mallocz(sizeof(float));
|
|
if (!s->native_matrix || !s->native_one)
|
|
return -1;//AVERROR(ENOMEM);
|
|
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_calloc(nb_in * nb_out, sizeof(double));
|
|
s->native_one = av_mallocz(sizeof(double));
|
|
if (!s->native_matrix || !s->native_one)
|
|
return -1;//AVERROR(ENOMEM);
|
|
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 if(s->midbuf.fmt == AV_SAMPLE_FMT_S32P) {
|
|
s->native_one = av_mallocz(sizeof(int));
|
|
if (!s->native_one)
|
|
return -1;//AVERROR(ENOMEM);
|
|
s->native_matrix = av_calloc(nb_in * nb_out, sizeof(int));
|
|
if (!s->native_matrix) {
|
|
av_freep(&s->native_one);
|
|
return -1;//AVERROR(ENOMEM);
|
|
}
|
|
for (i = 0; i < nb_out; i++) {
|
|
double rem = 0;
|
|
|
|
for (j = 0; j < nb_in; j++) {
|
|
double target = s->matrix[i][j] * 32768 + rem;
|
|
((int*)s->native_matrix)[i * nb_in + j] = lrintf(target);
|
|
rem += target - ((int*)s->native_matrix)[i * nb_in + j];
|
|
}
|
|
}
|
|
*((int*)s->native_one) = 32768;
|
|
s->mix_1_1_f = (mix_1_1_func_type*)copy_s32;
|
|
s->mix_2_1_f = (mix_2_1_func_type*)sum2_s32;
|
|
s->mix_any_f = (mix_any_func_type*)get_mix_any_func_s32(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 ARCH_X86 && HAVE_X86ASM && HAVE_MMX
|
|
return swri_rematrix_init_x86(s);
|
|
#endif
|
|
|
|
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);
|
|
av_freep(&s->native_simd_one);
|
|
}
|
|
|
|
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(s->out_ch_layout.order == AV_CHANNEL_ORDER_UNSPEC || out->ch_count == s->out_ch_layout.nb_channels);
|
|
av_assert0(s-> in_ch_layout.order == AV_CHANNEL_ORDER_UNSPEC || in ->ch_count == s->in_ch_layout.nb_channels);
|
|
|
|
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_flt[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;
|
|
}
|