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/* |
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* MPEG-4 Parametric Stereo decoding functions |
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* Copyright (c) 2010 Alex Converse <alex.converse@gmail.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg 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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* FFmpeg 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 FFmpeg; 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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* Note: Rounding-to-nearest used unless otherwise stated |
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* |
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*/ |
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#include <stdint.h> |
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#include "libavutil/common.h" |
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#include "libavutil/mathematics.h" |
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#include "libavutil/mem_internal.h" |
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#include "avcodec.h" |
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#include "aacps.h" |
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#if USE_FIXED |
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#include "aacps_fixed_tablegen.h" |
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#else |
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#include "libavutil/internal.h" |
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#include "aacps_tablegen.h" |
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#endif /* USE_FIXED */ |
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static const INTFLOAT g1_Q2[] = { |
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Q31(0.0f), Q31(0.01899487526049f), Q31(0.0f), Q31(-0.07293139167538f), |
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Q31(0.0f), Q31(0.30596630545168f), Q31(0.5f) |
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}; |
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static void ipdopd_reset(int8_t *ipd_hist, int8_t *opd_hist) |
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{ |
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int i; |
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✓✓ |
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for (i = 0; i < PS_MAX_NR_IPDOPD; i++) { |
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opd_hist[i] = 0; |
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ipd_hist[i] = 0; |
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} |
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} |
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/** Split one subband into 2 subsubbands with a symmetric real filter. |
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* The filter must have its non-center even coefficients equal to zero. */ |
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3028 |
static void hybrid2_re(INTFLOAT (*in)[2], INTFLOAT (*out)[32][2], const INTFLOAT filter[8], int len, int reverse) |
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{ |
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int i, j; |
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✓✓ |
99924 |
for (i = 0; i < len; i++, in++) { |
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96896 |
INT64FLOAT re_in = AAC_MUL31(filter[6], in[6][0]); //real inphase |
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96896 |
INT64FLOAT re_op = 0.0f; //real out of phase |
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96896 |
INT64FLOAT im_in = AAC_MUL31(filter[6], in[6][1]); //imag inphase |
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96896 |
INT64FLOAT im_op = 0.0f; //imag out of phase |
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✓✓ |
387584 |
for (j = 0; j < 6; j += 2) { |
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re_op += (INT64FLOAT)filter[j+1] * (in[j+1][0] + in[12-j-1][0]); |
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290688 |
im_op += (INT64FLOAT)filter[j+1] * (in[j+1][1] + in[12-j-1][1]); |
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} |
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#if USE_FIXED |
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re_op = (re_op + 0x40000000) >> 31; |
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im_op = (im_op + 0x40000000) >> 31; |
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#endif /* USE_FIXED */ |
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96896 |
out[ reverse][i][0] = (INTFLOAT)(re_in + re_op); |
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out[ reverse][i][1] = (INTFLOAT)(im_in + im_op); |
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✓✓ |
96896 |
out[!reverse][i][0] = (INTFLOAT)(re_in - re_op); |
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✓✓ |
96896 |
out[!reverse][i][1] = (INTFLOAT)(im_in - im_op); |
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} |
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3028 |
} |
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/** Split one subband into 6 subsubbands with a complex filter */ |
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static void hybrid6_cx(PSDSPContext *dsp, INTFLOAT (*in)[2], INTFLOAT (*out)[32][2], |
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TABLE_CONST INTFLOAT (*filter)[8][2], int len) |
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{ |
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int i; |
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int N = 8; |
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LOCAL_ALIGNED_16(INTFLOAT, temp, [8], [2]); |
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✓✓ |
49962 |
for (i = 0; i < len; i++, in++) { |
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dsp->hybrid_analysis(temp, in, (const INTFLOAT (*)[8][2]) filter, 1, N); |
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out[0][i][0] = temp[6][0]; |
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out[0][i][1] = temp[6][1]; |
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out[1][i][0] = temp[7][0]; |
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out[1][i][1] = temp[7][1]; |
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out[2][i][0] = temp[0][0]; |
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out[2][i][1] = temp[0][1]; |
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out[3][i][0] = temp[1][0]; |
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out[3][i][1] = temp[1][1]; |
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out[4][i][0] = temp[2][0] + temp[5][0]; |
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out[4][i][1] = temp[2][1] + temp[5][1]; |
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out[5][i][0] = temp[3][0] + temp[4][0]; |
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out[5][i][1] = temp[3][1] + temp[4][1]; |
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} |
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} |
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static void hybrid4_8_12_cx(PSDSPContext *dsp, |
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INTFLOAT (*in)[2], INTFLOAT (*out)[32][2], |
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TABLE_CONST INTFLOAT (*filter)[8][2], int N, int len) |
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{ |
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int i; |
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✓✓ |
16830 |
for (i = 0; i < len; i++, in++) { |
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dsp->hybrid_analysis(out[0] + i, in, (const INTFLOAT (*)[8][2]) filter, 32, N); |
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} |
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} |
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1616 |
static void hybrid_analysis(PSDSPContext *dsp, INTFLOAT out[91][32][2], |
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INTFLOAT in[5][44][2], INTFLOAT L[2][38][64], |
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int is34, int len) |
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{ |
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int i, j; |
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✓✓ |
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for (i = 0; i < 5; i++) { |
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✓✓ |
315120 |
for (j = 0; j < 38; j++) { |
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in[i][j+6][0] = L[0][j][i]; |
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in[i][j+6][1] = L[1][j][i]; |
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} |
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} |
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✓✓ |
1616 |
if (is34) { |
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hybrid4_8_12_cx(dsp, in[0], out, f34_0_12, 12, len); |
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hybrid4_8_12_cx(dsp, in[1], out+12, f34_1_8, 8, len); |
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hybrid4_8_12_cx(dsp, in[2], out+20, f34_2_4, 4, len); |
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hybrid4_8_12_cx(dsp, in[3], out+24, f34_2_4, 4, len); |
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hybrid4_8_12_cx(dsp, in[4], out+28, f34_2_4, 4, len); |
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dsp->hybrid_analysis_ileave(out + 27, L, 5, len); |
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} else { |
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hybrid6_cx(dsp, in[0], out, f20_0_8, len); |
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hybrid2_re(in[1], out+6, g1_Q2, len, 1); |
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hybrid2_re(in[2], out+8, g1_Q2, len, 0); |
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dsp->hybrid_analysis_ileave(out + 7, L, 3, len); |
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} |
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//update in_buf |
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✓✓ |
9696 |
for (i = 0; i < 5; i++) { |
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8080 |
memcpy(in[i], in[i]+32, 6 * sizeof(in[i][0])); |
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} |
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1616 |
} |
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3232 |
static void hybrid_synthesis(PSDSPContext *dsp, INTFLOAT out[2][38][64], |
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INTFLOAT in[91][32][2], int is34, int len) |
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{ |
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int i, n; |
149 |
✓✓ |
3232 |
if (is34) { |
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✓✓ |
6732 |
for (n = 0; n < len; n++) { |
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6528 |
memset(out[0][n], 0, 5*sizeof(out[0][n][0])); |
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6528 |
memset(out[1][n], 0, 5*sizeof(out[1][n][0])); |
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✓✓ |
84864 |
for (i = 0; i < 12; i++) { |
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78336 |
out[0][n][0] += (UINTFLOAT)in[ i][n][0]; |
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78336 |
out[1][n][0] += (UINTFLOAT)in[ i][n][1]; |
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} |
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✓✓ |
58752 |
for (i = 0; i < 8; i++) { |
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52224 |
out[0][n][1] += (UINTFLOAT)in[12+i][n][0]; |
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52224 |
out[1][n][1] += (UINTFLOAT)in[12+i][n][1]; |
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} |
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✓✓ |
32640 |
for (i = 0; i < 4; i++) { |
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out[0][n][2] += (UINTFLOAT)in[20+i][n][0]; |
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out[1][n][2] += (UINTFLOAT)in[20+i][n][1]; |
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out[0][n][3] += (UINTFLOAT)in[24+i][n][0]; |
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out[1][n][3] += (UINTFLOAT)in[24+i][n][1]; |
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out[0][n][4] += (UINTFLOAT)in[28+i][n][0]; |
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26112 |
out[1][n][4] += (UINTFLOAT)in[28+i][n][1]; |
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} |
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} |
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dsp->hybrid_synthesis_deint(out, in + 27, 5, len); |
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} else { |
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✓✓ |
99924 |
for (n = 0; n < len; n++) { |
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96896 |
out[0][n][0] = (UINTFLOAT)in[0][n][0] + in[1][n][0] + in[2][n][0] + |
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96896 |
(UINTFLOAT)in[3][n][0] + in[4][n][0] + in[5][n][0]; |
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96896 |
out[1][n][0] = (UINTFLOAT)in[0][n][1] + in[1][n][1] + in[2][n][1] + |
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96896 |
(UINTFLOAT)in[3][n][1] + in[4][n][1] + in[5][n][1]; |
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96896 |
out[0][n][1] = (UINTFLOAT)in[6][n][0] + in[7][n][0]; |
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96896 |
out[1][n][1] = (UINTFLOAT)in[6][n][1] + in[7][n][1]; |
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96896 |
out[0][n][2] = (UINTFLOAT)in[8][n][0] + in[9][n][0]; |
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96896 |
out[1][n][2] = (UINTFLOAT)in[8][n][1] + in[9][n][1]; |
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} |
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3028 |
dsp->hybrid_synthesis_deint(out, in + 7, 3, len); |
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} |
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3232 |
} |
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/// All-pass filter decay slope |
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#define DECAY_SLOPE Q30(0.05f) |
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/// Number of frequency bands that can be addressed by the parameter index, b(k) |
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static const int NR_PAR_BANDS[] = { 20, 34 }; |
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static const int NR_IPDOPD_BANDS[] = { 11, 17 }; |
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/// Number of frequency bands that can be addressed by the sub subband index, k |
192 |
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static const int NR_BANDS[] = { 71, 91 }; |
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/// Start frequency band for the all-pass filter decay slope |
194 |
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static const int DECAY_CUTOFF[] = { 10, 32 }; |
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/// Number of all-pass filer bands |
196 |
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static const int NR_ALLPASS_BANDS[] = { 30, 50 }; |
197 |
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/// First stereo band using the short one sample delay |
198 |
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static const int SHORT_DELAY_BAND[] = { 42, 62 }; |
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200 |
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/** Table 8.46 */ |
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1 |
static void map_idx_10_to_20(int8_t *par_mapped, const int8_t *par, int full) |
202 |
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{ |
203 |
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int b; |
204 |
✓✗ |
1 |
if (full) |
205 |
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1 |
b = 9; |
206 |
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else { |
207 |
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b = 4; |
208 |
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par_mapped[10] = 0; |
209 |
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} |
210 |
✓✓ |
11 |
for (; b >= 0; b--) { |
211 |
|
10 |
par_mapped[2*b+1] = par_mapped[2*b] = par[b]; |
212 |
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} |
213 |
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1 |
} |
214 |
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215 |
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1 |
static void map_idx_34_to_20(int8_t *par_mapped, const int8_t *par, int full) |
216 |
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{ |
217 |
|
1 |
par_mapped[ 0] = (2*par[ 0] + par[ 1]) / 3; |
218 |
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1 |
par_mapped[ 1] = ( par[ 1] + 2*par[ 2]) / 3; |
219 |
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1 |
par_mapped[ 2] = (2*par[ 3] + par[ 4]) / 3; |
220 |
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1 |
par_mapped[ 3] = ( par[ 4] + 2*par[ 5]) / 3; |
221 |
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1 |
par_mapped[ 4] = ( par[ 6] + par[ 7]) / 2; |
222 |
|
1 |
par_mapped[ 5] = ( par[ 8] + par[ 9]) / 2; |
223 |
|
1 |
par_mapped[ 6] = par[10]; |
224 |
|
1 |
par_mapped[ 7] = par[11]; |
225 |
|
1 |
par_mapped[ 8] = ( par[12] + par[13]) / 2; |
226 |
|
1 |
par_mapped[ 9] = ( par[14] + par[15]) / 2; |
227 |
|
1 |
par_mapped[10] = par[16]; |
228 |
✓✗ |
1 |
if (full) { |
229 |
|
1 |
par_mapped[11] = par[17]; |
230 |
|
1 |
par_mapped[12] = par[18]; |
231 |
|
1 |
par_mapped[13] = par[19]; |
232 |
|
1 |
par_mapped[14] = ( par[20] + par[21]) / 2; |
233 |
|
1 |
par_mapped[15] = ( par[22] + par[23]) / 2; |
234 |
|
1 |
par_mapped[16] = ( par[24] + par[25]) / 2; |
235 |
|
1 |
par_mapped[17] = ( par[26] + par[27]) / 2; |
236 |
|
1 |
par_mapped[18] = ( par[28] + par[29] + par[30] + par[31]) / 4; |
237 |
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1 |
par_mapped[19] = ( par[32] + par[33]) / 2; |
238 |
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} |
239 |
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1 |
} |
240 |
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241 |
|
8 |
static void map_val_34_to_20(INTFLOAT par[PS_MAX_NR_IIDICC]) |
242 |
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{ |
243 |
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#if USE_FIXED |
244 |
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par[ 0] = (int)(((int64_t)(par[ 0] + (unsigned)(par[ 1]>>1)) * 1431655765 + \ |
245 |
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0x40000000) >> 31); |
246 |
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par[ 1] = (int)(((int64_t)((par[ 1]>>1) + (unsigned)par[ 2]) * 1431655765 + \ |
247 |
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0x40000000) >> 31); |
248 |
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par[ 2] = (int)(((int64_t)(par[ 3] + (unsigned)(par[ 4]>>1)) * 1431655765 + \ |
249 |
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0x40000000) >> 31); |
250 |
|
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par[ 3] = (int)(((int64_t)((par[ 4]>>1) + (unsigned)par[ 5]) * 1431655765 + \ |
251 |
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0x40000000) >> 31); |
252 |
|
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#else |
253 |
|
8 |
par[ 0] = (2*par[ 0] + par[ 1]) * 0.33333333f; |
254 |
|
8 |
par[ 1] = ( par[ 1] + 2*par[ 2]) * 0.33333333f; |
255 |
|
8 |
par[ 2] = (2*par[ 3] + par[ 4]) * 0.33333333f; |
256 |
|
8 |
par[ 3] = ( par[ 4] + 2*par[ 5]) * 0.33333333f; |
257 |
|
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#endif /* USE_FIXED */ |
258 |
|
8 |
par[ 4] = AAC_HALF_SUM(par[ 6], par[ 7]); |
259 |
|
8 |
par[ 5] = AAC_HALF_SUM(par[ 8], par[ 9]); |
260 |
|
8 |
par[ 6] = par[10]; |
261 |
|
8 |
par[ 7] = par[11]; |
262 |
|
8 |
par[ 8] = AAC_HALF_SUM(par[12], par[13]); |
263 |
|
8 |
par[ 9] = AAC_HALF_SUM(par[14], par[15]); |
264 |
|
8 |
par[10] = par[16]; |
265 |
|
8 |
par[11] = par[17]; |
266 |
|
8 |
par[12] = par[18]; |
267 |
|
8 |
par[13] = par[19]; |
268 |
|
8 |
par[14] = AAC_HALF_SUM(par[20], par[21]); |
269 |
|
8 |
par[15] = AAC_HALF_SUM(par[22], par[23]); |
270 |
|
8 |
par[16] = AAC_HALF_SUM(par[24], par[25]); |
271 |
|
8 |
par[17] = AAC_HALF_SUM(par[26], par[27]); |
272 |
|
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#if USE_FIXED |
273 |
|
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par[18] = (((par[28]+2)>>2) + ((par[29]+2)>>2) + ((par[30]+2)>>2) + ((par[31]+2)>>2)); |
274 |
|
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#else |
275 |
|
8 |
par[18] = ( par[28] + par[29] + par[30] + par[31]) * 0.25f; |
276 |
|
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#endif /* USE_FIXED */ |
277 |
|
8 |
par[19] = AAC_HALF_SUM(par[32], par[33]); |
278 |
|
8 |
} |
279 |
|
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|
280 |
|
204 |
static void map_idx_10_to_34(int8_t *par_mapped, const int8_t *par, int full) |
281 |
|
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{ |
282 |
✓✗ |
204 |
if (full) { |
283 |
|
204 |
par_mapped[33] = par[9]; |
284 |
|
204 |
par_mapped[32] = par[9]; |
285 |
|
204 |
par_mapped[31] = par[9]; |
286 |
|
204 |
par_mapped[30] = par[9]; |
287 |
|
204 |
par_mapped[29] = par[9]; |
288 |
|
204 |
par_mapped[28] = par[9]; |
289 |
|
204 |
par_mapped[27] = par[8]; |
290 |
|
204 |
par_mapped[26] = par[8]; |
291 |
|
204 |
par_mapped[25] = par[8]; |
292 |
|
204 |
par_mapped[24] = par[8]; |
293 |
|
204 |
par_mapped[23] = par[7]; |
294 |
|
204 |
par_mapped[22] = par[7]; |
295 |
|
204 |
par_mapped[21] = par[7]; |
296 |
|
204 |
par_mapped[20] = par[7]; |
297 |
|
204 |
par_mapped[19] = par[6]; |
298 |
|
204 |
par_mapped[18] = par[6]; |
299 |
|
204 |
par_mapped[17] = par[5]; |
300 |
|
204 |
par_mapped[16] = par[5]; |
301 |
|
|
} else { |
302 |
|
|
par_mapped[16] = 0; |
303 |
|
|
} |
304 |
|
204 |
par_mapped[15] = par[4]; |
305 |
|
204 |
par_mapped[14] = par[4]; |
306 |
|
204 |
par_mapped[13] = par[4]; |
307 |
|
204 |
par_mapped[12] = par[4]; |
308 |
|
204 |
par_mapped[11] = par[3]; |
309 |
|
204 |
par_mapped[10] = par[3]; |
310 |
|
204 |
par_mapped[ 9] = par[2]; |
311 |
|
204 |
par_mapped[ 8] = par[2]; |
312 |
|
204 |
par_mapped[ 7] = par[2]; |
313 |
|
204 |
par_mapped[ 6] = par[2]; |
314 |
|
204 |
par_mapped[ 5] = par[1]; |
315 |
|
204 |
par_mapped[ 4] = par[1]; |
316 |
|
204 |
par_mapped[ 3] = par[1]; |
317 |
|
204 |
par_mapped[ 2] = par[0]; |
318 |
|
204 |
par_mapped[ 1] = par[0]; |
319 |
|
204 |
par_mapped[ 0] = par[0]; |
320 |
|
204 |
} |
321 |
|
|
|
322 |
|
|
static void map_idx_20_to_34(int8_t *par_mapped, const int8_t *par, int full) |
323 |
|
|
{ |
324 |
|
|
if (full) { |
325 |
|
|
par_mapped[33] = par[19]; |
326 |
|
|
par_mapped[32] = par[19]; |
327 |
|
|
par_mapped[31] = par[18]; |
328 |
|
|
par_mapped[30] = par[18]; |
329 |
|
|
par_mapped[29] = par[18]; |
330 |
|
|
par_mapped[28] = par[18]; |
331 |
|
|
par_mapped[27] = par[17]; |
332 |
|
|
par_mapped[26] = par[17]; |
333 |
|
|
par_mapped[25] = par[16]; |
334 |
|
|
par_mapped[24] = par[16]; |
335 |
|
|
par_mapped[23] = par[15]; |
336 |
|
|
par_mapped[22] = par[15]; |
337 |
|
|
par_mapped[21] = par[14]; |
338 |
|
|
par_mapped[20] = par[14]; |
339 |
|
|
par_mapped[19] = par[13]; |
340 |
|
|
par_mapped[18] = par[12]; |
341 |
|
|
par_mapped[17] = par[11]; |
342 |
|
|
} |
343 |
|
|
par_mapped[16] = par[10]; |
344 |
|
|
par_mapped[15] = par[ 9]; |
345 |
|
|
par_mapped[14] = par[ 9]; |
346 |
|
|
par_mapped[13] = par[ 8]; |
347 |
|
|
par_mapped[12] = par[ 8]; |
348 |
|
|
par_mapped[11] = par[ 7]; |
349 |
|
|
par_mapped[10] = par[ 6]; |
350 |
|
|
par_mapped[ 9] = par[ 5]; |
351 |
|
|
par_mapped[ 8] = par[ 5]; |
352 |
|
|
par_mapped[ 7] = par[ 4]; |
353 |
|
|
par_mapped[ 6] = par[ 4]; |
354 |
|
|
par_mapped[ 5] = par[ 3]; |
355 |
|
|
par_mapped[ 4] = (par[ 2] + par[ 3]) / 2; |
356 |
|
|
par_mapped[ 3] = par[ 2]; |
357 |
|
|
par_mapped[ 2] = par[ 1]; |
358 |
|
|
par_mapped[ 1] = (par[ 0] + par[ 1]) / 2; |
359 |
|
|
par_mapped[ 0] = par[ 0]; |
360 |
|
|
} |
361 |
|
|
|
362 |
|
16 |
static void map_val_20_to_34(INTFLOAT par[PS_MAX_NR_IIDICC]) |
363 |
|
|
{ |
364 |
|
16 |
par[33] = par[19]; |
365 |
|
16 |
par[32] = par[19]; |
366 |
|
16 |
par[31] = par[18]; |
367 |
|
16 |
par[30] = par[18]; |
368 |
|
16 |
par[29] = par[18]; |
369 |
|
16 |
par[28] = par[18]; |
370 |
|
16 |
par[27] = par[17]; |
371 |
|
16 |
par[26] = par[17]; |
372 |
|
16 |
par[25] = par[16]; |
373 |
|
16 |
par[24] = par[16]; |
374 |
|
16 |
par[23] = par[15]; |
375 |
|
16 |
par[22] = par[15]; |
376 |
|
16 |
par[21] = par[14]; |
377 |
|
16 |
par[20] = par[14]; |
378 |
|
16 |
par[19] = par[13]; |
379 |
|
16 |
par[18] = par[12]; |
380 |
|
16 |
par[17] = par[11]; |
381 |
|
16 |
par[16] = par[10]; |
382 |
|
16 |
par[15] = par[ 9]; |
383 |
|
16 |
par[14] = par[ 9]; |
384 |
|
16 |
par[13] = par[ 8]; |
385 |
|
16 |
par[12] = par[ 8]; |
386 |
|
16 |
par[11] = par[ 7]; |
387 |
|
16 |
par[10] = par[ 6]; |
388 |
|
16 |
par[ 9] = par[ 5]; |
389 |
|
16 |
par[ 8] = par[ 5]; |
390 |
|
16 |
par[ 7] = par[ 4]; |
391 |
|
16 |
par[ 6] = par[ 4]; |
392 |
|
16 |
par[ 5] = par[ 3]; |
393 |
|
16 |
par[ 4] = AAC_HALF_SUM(par[ 2], par[ 3]); |
394 |
|
16 |
par[ 3] = par[ 2]; |
395 |
|
16 |
par[ 2] = par[ 1]; |
396 |
|
16 |
par[ 1] = AAC_HALF_SUM(par[ 0], par[ 1]); |
397 |
|
16 |
} |
398 |
|
|
|
399 |
|
1616 |
static void decorrelation(PSContext *ps, INTFLOAT (*out)[32][2], const INTFLOAT (*s)[32][2], int is34) |
400 |
|
|
{ |
401 |
|
1616 |
LOCAL_ALIGNED_16(INTFLOAT, power, [34], [PS_QMF_TIME_SLOTS]); |
402 |
|
1616 |
LOCAL_ALIGNED_16(INTFLOAT, transient_gain, [34], [PS_QMF_TIME_SLOTS]); |
403 |
|
1616 |
INTFLOAT *peak_decay_nrg = ps->peak_decay_nrg; |
404 |
|
1616 |
INTFLOAT *power_smooth = ps->power_smooth; |
405 |
|
1616 |
INTFLOAT *peak_decay_diff_smooth = ps->peak_decay_diff_smooth; |
406 |
|
1616 |
INTFLOAT (*delay)[PS_QMF_TIME_SLOTS + PS_MAX_DELAY][2] = ps->delay; |
407 |
|
1616 |
INTFLOAT (*ap_delay)[PS_AP_LINKS][PS_QMF_TIME_SLOTS + PS_MAX_AP_DELAY][2] = ps->ap_delay; |
408 |
|
|
#if !USE_FIXED |
409 |
|
1616 |
const float transient_impact = 1.5f; |
410 |
|
1616 |
const float a_smooth = 0.25f; ///< Smoothing coefficient |
411 |
|
|
#endif /* USE_FIXED */ |
412 |
✓✓ |
1616 |
const int8_t *const k_to_i = is34 ? ff_k_to_i_34 : ff_k_to_i_20; |
413 |
|
|
int i, k, m, n; |
414 |
|
1616 |
int n0 = 0, nL = 32; |
415 |
|
1616 |
const INTFLOAT peak_decay_factor = Q31(0.76592833836465f); |
416 |
|
|
|
417 |
|
1616 |
memset(power, 0, 34 * sizeof(*power)); |
418 |
|
|
|
419 |
✓✓ |
1616 |
if (is34 != ps->common.is34bands_old) { |
420 |
|
3 |
memset(ps->peak_decay_nrg, 0, sizeof(ps->peak_decay_nrg)); |
421 |
|
3 |
memset(ps->power_smooth, 0, sizeof(ps->power_smooth)); |
422 |
|
3 |
memset(ps->peak_decay_diff_smooth, 0, sizeof(ps->peak_decay_diff_smooth)); |
423 |
|
3 |
memset(ps->delay, 0, sizeof(ps->delay)); |
424 |
|
3 |
memset(ps->ap_delay, 0, sizeof(ps->ap_delay)); |
425 |
|
|
} |
426 |
|
|
|
427 |
✓✓ |
118392 |
for (k = 0; k < NR_BANDS[is34]; k++) { |
428 |
|
116776 |
int i = k_to_i[k]; |
429 |
|
116776 |
ps->dsp.add_squares(power[i], s[k], nL - n0); |
430 |
|
|
} |
431 |
|
|
|
432 |
|
|
//Transient detection |
433 |
|
|
#if USE_FIXED |
434 |
|
|
for (i = 0; i < NR_PAR_BANDS[is34]; i++) { |
435 |
|
|
for (n = n0; n < nL; n++) { |
436 |
|
|
int decayed_peak; |
437 |
|
|
decayed_peak = (int)(((int64_t)peak_decay_factor * \ |
438 |
|
|
peak_decay_nrg[i] + 0x40000000) >> 31); |
439 |
|
|
peak_decay_nrg[i] = FFMAX(decayed_peak, power[i][n]); |
440 |
|
|
power_smooth[i] += (power[i][n] + 2LL - power_smooth[i]) >> 2; |
441 |
|
|
peak_decay_diff_smooth[i] += (peak_decay_nrg[i] + 2LL - power[i][n] - \ |
442 |
|
|
peak_decay_diff_smooth[i]) >> 2; |
443 |
|
|
|
444 |
|
|
if (peak_decay_diff_smooth[i]) { |
445 |
|
|
transient_gain[i][n] = FFMIN(power_smooth[i]*43691LL / peak_decay_diff_smooth[i], 1<<16); |
446 |
|
|
} else |
447 |
|
|
transient_gain[i][n] = 1 << 16; |
448 |
|
|
} |
449 |
|
|
} |
450 |
|
|
#else |
451 |
✓✓ |
35364 |
for (i = 0; i < NR_PAR_BANDS[is34]; i++) { |
452 |
✓✓ |
1113684 |
for (n = n0; n < nL; n++) { |
453 |
|
1079936 |
float decayed_peak = peak_decay_factor * peak_decay_nrg[i]; |
454 |
|
|
float denom; |
455 |
✓✓ |
1079936 |
peak_decay_nrg[i] = FFMAX(decayed_peak, power[i][n]); |
456 |
|
1079936 |
power_smooth[i] += a_smooth * (power[i][n] - power_smooth[i]); |
457 |
|
1079936 |
peak_decay_diff_smooth[i] += a_smooth * (peak_decay_nrg[i] - power[i][n] - peak_decay_diff_smooth[i]); |
458 |
|
1079936 |
denom = transient_impact * peak_decay_diff_smooth[i]; |
459 |
|
1079936 |
transient_gain[i][n] = (denom > power_smooth[i]) ? |
460 |
✓✓ |
1079936 |
power_smooth[i] / denom : 1.0f; |
461 |
|
|
} |
462 |
|
|
} |
463 |
|
|
|
464 |
|
|
#endif /* USE_FIXED */ |
465 |
|
|
//Decorrelation and transient reduction |
466 |
|
|
// PS_AP_LINKS - 1 |
467 |
|
|
// ----- |
468 |
|
|
// | | Q_fract_allpass[k][m]*z^-link_delay[m] - a[m]*g_decay_slope[k] |
469 |
|
|
//H[k][z] = z^-2 * phi_fract[k] * | | ---------------------------------------------------------------- |
470 |
|
|
// | | 1 - a[m]*g_decay_slope[k]*Q_fract_allpass[k][m]*z^-link_delay[m] |
471 |
|
|
// m = 0 |
472 |
|
|
//d[k][z] (out) = transient_gain_mapped[k][z] * H[k][z] * s[k][z] |
473 |
✓✓ |
52136 |
for (k = 0; k < NR_ALLPASS_BANDS[is34]; k++) { |
474 |
|
50520 |
int b = k_to_i[k]; |
475 |
|
|
#if USE_FIXED |
476 |
|
|
int g_decay_slope; |
477 |
|
|
|
478 |
|
|
if (k - DECAY_CUTOFF[is34] <= 0) { |
479 |
|
|
g_decay_slope = 1 << 30; |
480 |
|
|
} |
481 |
|
|
else if (k - DECAY_CUTOFF[is34] >= 20) { |
482 |
|
|
g_decay_slope = 0; |
483 |
|
|
} |
484 |
|
|
else { |
485 |
|
|
g_decay_slope = (1 << 30) - DECAY_SLOPE * (k - DECAY_CUTOFF[is34]); |
486 |
|
|
} |
487 |
|
|
#else |
488 |
|
50520 |
float g_decay_slope = 1.f - DECAY_SLOPE * (k - DECAY_CUTOFF[is34]); |
489 |
|
50520 |
g_decay_slope = av_clipf(g_decay_slope, 0.f, 1.f); |
490 |
|
|
#endif /* USE_FIXED */ |
491 |
|
50520 |
memcpy(delay[k], delay[k]+nL, PS_MAX_DELAY*sizeof(delay[k][0])); |
492 |
|
50520 |
memcpy(delay[k]+PS_MAX_DELAY, s[k], numQMFSlots*sizeof(delay[k][0])); |
493 |
✓✓ |
202080 |
for (m = 0; m < PS_AP_LINKS; m++) { |
494 |
|
151560 |
memcpy(ap_delay[k][m], ap_delay[k][m]+numQMFSlots, 5*sizeof(ap_delay[k][m][0])); |
495 |
|
|
} |
496 |
|
50520 |
ps->dsp.decorrelate(out[k], delay[k] + PS_MAX_DELAY - 2, ap_delay[k], |
497 |
|
50520 |
phi_fract[is34][k], |
498 |
|
50520 |
(const INTFLOAT (*)[2]) Q_fract_allpass[is34][k], |
499 |
|
50520 |
transient_gain[b], g_decay_slope, nL - n0); |
500 |
|
|
} |
501 |
✓✓ |
21008 |
for (; k < SHORT_DELAY_BAND[is34]; k++) { |
502 |
|
19392 |
int i = k_to_i[k]; |
503 |
|
19392 |
memcpy(delay[k], delay[k]+nL, PS_MAX_DELAY*sizeof(delay[k][0])); |
504 |
|
19392 |
memcpy(delay[k]+PS_MAX_DELAY, s[k], numQMFSlots*sizeof(delay[k][0])); |
505 |
|
|
//H = delay 14 |
506 |
|
19392 |
ps->dsp.mul_pair_single(out[k], delay[k] + PS_MAX_DELAY - 14, |
507 |
|
19392 |
transient_gain[i], nL - n0); |
508 |
|
|
} |
509 |
✓✓ |
48480 |
for (; k < NR_BANDS[is34]; k++) { |
510 |
|
46864 |
int i = k_to_i[k]; |
511 |
|
46864 |
memcpy(delay[k], delay[k]+nL, PS_MAX_DELAY*sizeof(delay[k][0])); |
512 |
|
46864 |
memcpy(delay[k]+PS_MAX_DELAY, s[k], numQMFSlots*sizeof(delay[k][0])); |
513 |
|
|
//H = delay 1 |
514 |
|
46864 |
ps->dsp.mul_pair_single(out[k], delay[k] + PS_MAX_DELAY - 1, |
515 |
|
46864 |
transient_gain[i], nL - n0); |
516 |
|
|
} |
517 |
|
1616 |
} |
518 |
|
|
|
519 |
|
204 |
static void remap34(int8_t (**p_par_mapped)[PS_MAX_NR_IIDICC], |
520 |
|
|
int8_t (*par)[PS_MAX_NR_IIDICC], |
521 |
|
|
int num_par, int num_env, int full) |
522 |
|
|
{ |
523 |
|
204 |
int8_t (*par_mapped)[PS_MAX_NR_IIDICC] = *p_par_mapped; |
524 |
|
|
int e; |
525 |
✓✗✗✓
|
204 |
if (num_par == 20 || num_par == 11) { |
526 |
|
|
for (e = 0; e < num_env; e++) { |
527 |
|
|
map_idx_20_to_34(par_mapped[e], par[e], full); |
528 |
|
|
} |
529 |
✓✓✗✓
|
204 |
} else if (num_par == 10 || num_par == 5) { |
530 |
✓✓ |
306 |
for (e = 0; e < num_env; e++) { |
531 |
|
204 |
map_idx_10_to_34(par_mapped[e], par[e], full); |
532 |
|
|
} |
533 |
|
|
} else { |
534 |
|
102 |
*p_par_mapped = par; |
535 |
|
|
} |
536 |
|
204 |
} |
537 |
|
|
|
538 |
|
3134 |
static void remap20(int8_t (**p_par_mapped)[PS_MAX_NR_IIDICC], |
539 |
|
|
int8_t (*par)[PS_MAX_NR_IIDICC], |
540 |
|
|
int num_par, int num_env, int full) |
541 |
|
|
{ |
542 |
|
3134 |
int8_t (*par_mapped)[PS_MAX_NR_IIDICC] = *p_par_mapped; |
543 |
|
|
int e; |
544 |
✓✓✗✓
|
3134 |
if (num_par == 34 || num_par == 17) { |
545 |
✓✓ |
2 |
for (e = 0; e < num_env; e++) { |
546 |
|
1 |
map_idx_34_to_20(par_mapped[e], par[e], full); |
547 |
|
|
} |
548 |
✓✓✗✓
|
3133 |
} else if (num_par == 10 || num_par == 5) { |
549 |
✓✓ |
2 |
for (e = 0; e < num_env; e++) { |
550 |
|
1 |
map_idx_10_to_20(par_mapped[e], par[e], full); |
551 |
|
|
} |
552 |
|
|
} else { |
553 |
|
3132 |
*p_par_mapped = par; |
554 |
|
|
} |
555 |
|
3134 |
} |
556 |
|
|
|
557 |
|
1616 |
static void stereo_processing(PSContext *ps, INTFLOAT (*l)[32][2], INTFLOAT (*r)[32][2], int is34) |
558 |
|
|
{ |
559 |
|
|
int e, b, k; |
560 |
|
|
|
561 |
|
1616 |
PSCommonContext *const ps2 = &ps->common; |
562 |
|
1616 |
INTFLOAT (*H11)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H11; |
563 |
|
1616 |
INTFLOAT (*H12)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H12; |
564 |
|
1616 |
INTFLOAT (*H21)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H21; |
565 |
|
1616 |
INTFLOAT (*H22)[PS_MAX_NUM_ENV+1][PS_MAX_NR_IIDICC] = ps->H22; |
566 |
|
1616 |
int8_t *opd_hist = ps->opd_hist; |
567 |
|
1616 |
int8_t *ipd_hist = ps->ipd_hist; |
568 |
|
|
int8_t iid_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; |
569 |
|
|
int8_t icc_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; |
570 |
|
|
int8_t ipd_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; |
571 |
|
|
int8_t opd_mapped_buf[PS_MAX_NUM_ENV][PS_MAX_NR_IIDICC]; |
572 |
|
1616 |
int8_t (*iid_mapped)[PS_MAX_NR_IIDICC] = iid_mapped_buf; |
573 |
|
1616 |
int8_t (*icc_mapped)[PS_MAX_NR_IIDICC] = icc_mapped_buf; |
574 |
|
1616 |
int8_t (*ipd_mapped)[PS_MAX_NR_IIDICC] = ipd_mapped_buf; |
575 |
|
1616 |
int8_t (*opd_mapped)[PS_MAX_NR_IIDICC] = opd_mapped_buf; |
576 |
✓✓ |
1616 |
const int8_t *const k_to_i = is34 ? ff_k_to_i_34 : ff_k_to_i_20; |
577 |
✓✗ |
1616 |
TABLE_CONST INTFLOAT (*H_LUT)[8][4] = (PS_BASELINE || ps2->icc_mode < 3) ? HA : HB; |
578 |
|
|
|
579 |
|
|
//Remapping |
580 |
✓✓ |
1616 |
if (ps2->num_env_old) { |
581 |
|
1590 |
memcpy(H11[0][0], H11[0][ps2->num_env_old], sizeof(H11[0][0])); |
582 |
|
1590 |
memcpy(H11[1][0], H11[1][ps2->num_env_old], sizeof(H11[1][0])); |
583 |
|
1590 |
memcpy(H12[0][0], H12[0][ps2->num_env_old], sizeof(H12[0][0])); |
584 |
|
1590 |
memcpy(H12[1][0], H12[1][ps2->num_env_old], sizeof(H12[1][0])); |
585 |
|
1590 |
memcpy(H21[0][0], H21[0][ps2->num_env_old], sizeof(H21[0][0])); |
586 |
|
1590 |
memcpy(H21[1][0], H21[1][ps2->num_env_old], sizeof(H21[1][0])); |
587 |
|
1590 |
memcpy(H22[0][0], H22[0][ps2->num_env_old], sizeof(H22[0][0])); |
588 |
|
1590 |
memcpy(H22[1][0], H22[1][ps2->num_env_old], sizeof(H22[1][0])); |
589 |
|
|
} |
590 |
|
|
|
591 |
✓✓ |
1616 |
if (is34) { |
592 |
|
102 |
remap34(&iid_mapped, ps2->iid_par, ps2->nr_iid_par, ps2->num_env, 1); |
593 |
|
102 |
remap34(&icc_mapped, ps2->icc_par, ps2->nr_icc_par, ps2->num_env, 1); |
594 |
✗✓ |
102 |
if (ps2->enable_ipdopd) { |
595 |
|
|
remap34(&ipd_mapped, ps2->ipd_par, ps2->nr_ipdopd_par, ps2->num_env, 0); |
596 |
|
|
remap34(&opd_mapped, ps2->opd_par, ps2->nr_ipdopd_par, ps2->num_env, 0); |
597 |
|
|
} |
598 |
✓✓ |
102 |
if (!ps2->is34bands_old) { |
599 |
|
2 |
map_val_20_to_34(H11[0][0]); |
600 |
|
2 |
map_val_20_to_34(H11[1][0]); |
601 |
|
2 |
map_val_20_to_34(H12[0][0]); |
602 |
|
2 |
map_val_20_to_34(H12[1][0]); |
603 |
|
2 |
map_val_20_to_34(H21[0][0]); |
604 |
|
2 |
map_val_20_to_34(H21[1][0]); |
605 |
|
2 |
map_val_20_to_34(H22[0][0]); |
606 |
|
2 |
map_val_20_to_34(H22[1][0]); |
607 |
|
2 |
ipdopd_reset(ipd_hist, opd_hist); |
608 |
|
|
} |
609 |
|
|
} else { |
610 |
|
1514 |
remap20(&iid_mapped, ps2->iid_par, ps2->nr_iid_par, ps2->num_env, 1); |
611 |
|
1514 |
remap20(&icc_mapped, ps2->icc_par, ps2->nr_icc_par, ps2->num_env, 1); |
612 |
✓✓ |
1514 |
if (ps2->enable_ipdopd) { |
613 |
|
53 |
remap20(&ipd_mapped, ps2->ipd_par, ps2->nr_ipdopd_par, ps2->num_env, 0); |
614 |
|
53 |
remap20(&opd_mapped, ps2->opd_par, ps2->nr_ipdopd_par, ps2->num_env, 0); |
615 |
|
|
} |
616 |
✓✓ |
1514 |
if (ps2->is34bands_old) { |
617 |
|
1 |
map_val_34_to_20(H11[0][0]); |
618 |
|
1 |
map_val_34_to_20(H11[1][0]); |
619 |
|
1 |
map_val_34_to_20(H12[0][0]); |
620 |
|
1 |
map_val_34_to_20(H12[1][0]); |
621 |
|
1 |
map_val_34_to_20(H21[0][0]); |
622 |
|
1 |
map_val_34_to_20(H21[1][0]); |
623 |
|
1 |
map_val_34_to_20(H22[0][0]); |
624 |
|
1 |
map_val_34_to_20(H22[1][0]); |
625 |
|
1 |
ipdopd_reset(ipd_hist, opd_hist); |
626 |
|
|
} |
627 |
|
|
} |
628 |
|
|
|
629 |
|
|
//Mixing |
630 |
✓✓ |
3649 |
for (e = 0; e < ps2->num_env; e++) { |
631 |
✓✓ |
45549 |
for (b = 0; b < NR_PAR_BANDS[is34]; b++) { |
632 |
|
|
INTFLOAT h11, h12, h21, h22; |
633 |
|
43516 |
h11 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps2->iid_quant][icc_mapped[e][b]][0]; |
634 |
|
43516 |
h12 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps2->iid_quant][icc_mapped[e][b]][1]; |
635 |
|
43516 |
h21 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps2->iid_quant][icc_mapped[e][b]][2]; |
636 |
|
43516 |
h22 = H_LUT[iid_mapped[e][b] + 7 + 23 * ps2->iid_quant][icc_mapped[e][b]][3]; |
637 |
|
|
|
638 |
✓✓✓✓
|
43516 |
if (!PS_BASELINE && ps2->enable_ipdopd && b < NR_IPDOPD_BANDS[is34]) { |
639 |
|
|
//The spec say says to only run this smoother when enable_ipdopd |
640 |
|
|
//is set but the reference decoder appears to run it constantly |
641 |
|
|
INTFLOAT h11i, h12i, h21i, h22i; |
642 |
|
|
INTFLOAT ipd_adj_re, ipd_adj_im; |
643 |
|
1144 |
int opd_idx = opd_hist[b] * 8 + opd_mapped[e][b]; |
644 |
|
1144 |
int ipd_idx = ipd_hist[b] * 8 + ipd_mapped[e][b]; |
645 |
|
1144 |
INTFLOAT opd_re = pd_re_smooth[opd_idx]; |
646 |
|
1144 |
INTFLOAT opd_im = pd_im_smooth[opd_idx]; |
647 |
|
1144 |
INTFLOAT ipd_re = pd_re_smooth[ipd_idx]; |
648 |
|
1144 |
INTFLOAT ipd_im = pd_im_smooth[ipd_idx]; |
649 |
|
1144 |
opd_hist[b] = opd_idx & 0x3F; |
650 |
|
1144 |
ipd_hist[b] = ipd_idx & 0x3F; |
651 |
|
|
|
652 |
|
1144 |
ipd_adj_re = AAC_MADD30(opd_re, ipd_re, opd_im, ipd_im); |
653 |
|
1144 |
ipd_adj_im = AAC_MSUB30(opd_im, ipd_re, opd_re, ipd_im); |
654 |
|
1144 |
h11i = AAC_MUL30(h11, opd_im); |
655 |
|
1144 |
h11 = AAC_MUL30(h11, opd_re); |
656 |
|
1144 |
h12i = AAC_MUL30(h12, ipd_adj_im); |
657 |
|
1144 |
h12 = AAC_MUL30(h12, ipd_adj_re); |
658 |
|
1144 |
h21i = AAC_MUL30(h21, opd_im); |
659 |
|
1144 |
h21 = AAC_MUL30(h21, opd_re); |
660 |
|
1144 |
h22i = AAC_MUL30(h22, ipd_adj_im); |
661 |
|
1144 |
h22 = AAC_MUL30(h22, ipd_adj_re); |
662 |
|
1144 |
H11[1][e+1][b] = h11i; |
663 |
|
1144 |
H12[1][e+1][b] = h12i; |
664 |
|
1144 |
H21[1][e+1][b] = h21i; |
665 |
|
1144 |
H22[1][e+1][b] = h22i; |
666 |
|
|
} |
667 |
|
43516 |
H11[0][e+1][b] = h11; |
668 |
|
43516 |
H12[0][e+1][b] = h12; |
669 |
|
43516 |
H21[0][e+1][b] = h21; |
670 |
|
43516 |
H22[0][e+1][b] = h22; |
671 |
|
|
} |
672 |
✓✓ |
150456 |
for (k = 0; k < NR_BANDS[is34]; k++) { |
673 |
|
148423 |
LOCAL_ALIGNED_16(INTFLOAT, h, [2], [4]); |
674 |
|
148423 |
LOCAL_ALIGNED_16(INTFLOAT, h_step, [2], [4]); |
675 |
|
148423 |
int start = ps2->border_position[e]; |
676 |
|
148423 |
int stop = ps2->border_position[e+1]; |
677 |
✓✗ |
148423 |
INTFLOAT width = Q30(1.f) / ((stop - start) ? (stop - start) : 1); |
678 |
|
|
#if USE_FIXED |
679 |
|
|
width = FFMIN(2U*width, INT_MAX); |
680 |
|
|
#endif |
681 |
|
148423 |
b = k_to_i[k]; |
682 |
|
148423 |
h[0][0] = H11[0][e][b]; |
683 |
|
148423 |
h[0][1] = H12[0][e][b]; |
684 |
|
148423 |
h[0][2] = H21[0][e][b]; |
685 |
|
148423 |
h[0][3] = H22[0][e][b]; |
686 |
✓✓ |
148423 |
if (!PS_BASELINE && ps2->enable_ipdopd) { |
687 |
|
|
//Is this necessary? ps_04_new seems unchanged |
688 |
✗✓✗✗ ✗✗✓✗ ✓✓ |
7384 |
if ((is34 && k <= 13 && k >= 9) || (!is34 && k <= 1)) { |
689 |
|
208 |
h[1][0] = -H11[1][e][b]; |
690 |
|
208 |
h[1][1] = -H12[1][e][b]; |
691 |
|
208 |
h[1][2] = -H21[1][e][b]; |
692 |
|
208 |
h[1][3] = -H22[1][e][b]; |
693 |
|
|
} else { |
694 |
|
7176 |
h[1][0] = H11[1][e][b]; |
695 |
|
7176 |
h[1][1] = H12[1][e][b]; |
696 |
|
7176 |
h[1][2] = H21[1][e][b]; |
697 |
|
7176 |
h[1][3] = H22[1][e][b]; |
698 |
|
|
} |
699 |
|
|
} |
700 |
|
|
//Interpolation |
701 |
|
148423 |
h_step[0][0] = AAC_MSUB31_V3(H11[0][e+1][b], h[0][0], width); |
702 |
|
148423 |
h_step[0][1] = AAC_MSUB31_V3(H12[0][e+1][b], h[0][1], width); |
703 |
|
148423 |
h_step[0][2] = AAC_MSUB31_V3(H21[0][e+1][b], h[0][2], width); |
704 |
|
148423 |
h_step[0][3] = AAC_MSUB31_V3(H22[0][e+1][b], h[0][3], width); |
705 |
✓✓ |
148423 |
if (!PS_BASELINE && ps2->enable_ipdopd) { |
706 |
|
7384 |
h_step[1][0] = AAC_MSUB31_V3(H11[1][e+1][b], h[1][0], width); |
707 |
|
7384 |
h_step[1][1] = AAC_MSUB31_V3(H12[1][e+1][b], h[1][1], width); |
708 |
|
7384 |
h_step[1][2] = AAC_MSUB31_V3(H21[1][e+1][b], h[1][2], width); |
709 |
|
7384 |
h_step[1][3] = AAC_MSUB31_V3(H22[1][e+1][b], h[1][3], width); |
710 |
|
|
} |
711 |
✓✗ |
148423 |
if (stop - start) |
712 |
|
148423 |
ps->dsp.stereo_interpolate[!PS_BASELINE && ps2->enable_ipdopd]( |
713 |
|
148423 |
l[k] + 1 + start, r[k] + 1 + start, |
714 |
|
|
h, h_step, stop - start); |
715 |
|
|
} |
716 |
|
|
} |
717 |
|
1616 |
} |
718 |
|
|
|
719 |
|
1616 |
int AAC_RENAME(ff_ps_apply)(AVCodecContext *avctx, PSContext *ps, INTFLOAT L[2][38][64], INTFLOAT R[2][38][64], int top) |
720 |
|
|
{ |
721 |
|
1616 |
INTFLOAT (*Lbuf)[32][2] = ps->Lbuf; |
722 |
|
1616 |
INTFLOAT (*Rbuf)[32][2] = ps->Rbuf; |
723 |
|
1616 |
const int len = 32; |
724 |
|
1616 |
int is34 = ps->common.is34bands; |
725 |
|
|
|
726 |
|
1616 |
top += NR_BANDS[is34] - 64; |
727 |
|
1616 |
memset(ps->delay+top, 0, (NR_BANDS[is34] - top)*sizeof(ps->delay[0])); |
728 |
✗✓ |
1616 |
if (top < NR_ALLPASS_BANDS[is34]) |
729 |
|
|
memset(ps->ap_delay + top, 0, (NR_ALLPASS_BANDS[is34] - top)*sizeof(ps->ap_delay[0])); |
730 |
|
|
|
731 |
|
1616 |
hybrid_analysis(&ps->dsp, Lbuf, ps->in_buf, L, is34, len); |
732 |
|
1616 |
decorrelation(ps, Rbuf, (const INTFLOAT (*)[32][2]) Lbuf, is34); |
733 |
|
1616 |
stereo_processing(ps, Lbuf, Rbuf, is34); |
734 |
|
1616 |
hybrid_synthesis(&ps->dsp, L, Lbuf, is34, len); |
735 |
|
1616 |
hybrid_synthesis(&ps->dsp, R, Rbuf, is34, len); |
736 |
|
|
|
737 |
|
1616 |
return 0; |
738 |
|
|
} |
739 |
|
|
|
740 |
|
164 |
av_cold void AAC_RENAME(ff_ps_init)(void) { |
741 |
|
164 |
ps_tableinit(); |
742 |
|
164 |
ff_ps_init_common(); |
743 |
|
164 |
} |
744 |
|
|
|
745 |
|
347 |
av_cold void AAC_RENAME(ff_ps_ctx_init)(PSContext *ps) |
746 |
|
|
{ |
747 |
|
347 |
AAC_RENAME(ff_psdsp_init)(&ps->dsp); |
748 |
|
347 |
} |