From a68df043bfbc7f8f38332143577877846631eca4 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:58:37 +0200 Subject: Update build environment - remove faad2 - remove mad - remove polarssl - remove pthreads - add libcurl - add vtparse with UTF8 support - update project to use Visual Studio 2015 --- faad2/src/libfaad/ssr.c | 175 ------------------------------------------------ 1 file changed, 175 deletions(-) delete mode 100644 faad2/src/libfaad/ssr.c (limited to 'faad2/src/libfaad/ssr.c') diff --git a/faad2/src/libfaad/ssr.c b/faad2/src/libfaad/ssr.c deleted file mode 100644 index c708ce2..0000000 --- a/faad2/src/libfaad/ssr.c +++ /dev/null @@ -1,175 +0,0 @@ -/* -** FAAD2 - Freeware Advanced Audio (AAC) Decoder including SBR decoding -** Copyright (C) 2003-2005 M. Bakker, Nero AG, http://www.nero.com -** -** This program is free software; you can redistribute it and/or modify -** it under the terms of the GNU General Public License as published by -** the Free Software Foundation; either version 2 of the License, or -** (at your option) any later version. -** -** This program 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 General Public License for more details. -** -** You should have received a copy of the GNU General Public License -** along with this program; if not, write to the Free Software -** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. -** -** Any non-GPL usage of this software or parts of this software is strictly -** forbidden. -** -** The "appropriate copyright message" mentioned in section 2c of the GPLv2 -** must read: "Code from FAAD2 is copyright (c) Nero AG, www.nero.com" -** -** Commercial non-GPL licensing of this software is possible. -** For more info contact Nero AG through Mpeg4AAClicense@nero.com. -** -** $Id: ssr.c,v 1.19 2007/11/01 12:33:36 menno Exp $ -**/ - -#include "common.h" -#include "structs.h" - -#ifdef SSR_DEC - -#include "syntax.h" -#include "filtbank.h" -#include "ssr.h" -#include "ssr_fb.h" - -void ssr_decode(ssr_info *ssr, fb_info *fb, uint8_t window_sequence, - uint8_t window_shape, uint8_t window_shape_prev, - real_t *freq_in, real_t *time_out, real_t *overlap, - real_t ipqf_buffer[SSR_BANDS][96/4], - real_t *prev_fmd, uint16_t frame_len) -{ - uint8_t band; - uint16_t ssr_frame_len = frame_len/SSR_BANDS; - real_t time_tmp[2048] = {0}; - real_t output[1024] = {0}; - - for (band = 0; band < SSR_BANDS; band++) - { - int16_t j; - - /* uneven bands have inverted frequency scale */ - if (band == 1 || band == 3) - { - for (j = 0; j < ssr_frame_len/2; j++) - { - real_t tmp; - tmp = freq_in[j + ssr_frame_len*band]; - freq_in[j + ssr_frame_len*band] = - freq_in[ssr_frame_len - j - 1 + ssr_frame_len*band]; - freq_in[ssr_frame_len - j - 1 + ssr_frame_len*band] = tmp; - } - } - - /* non-overlapping inverse filterbank for SSR */ - ssr_ifilter_bank(fb, window_sequence, window_shape, window_shape_prev, - freq_in + band*ssr_frame_len, time_tmp + band*ssr_frame_len, - ssr_frame_len); - - /* gain control */ - ssr_gain_control(ssr, time_tmp, output, overlap, prev_fmd, - band, window_sequence, ssr_frame_len); - } - - /* inverse pqf to bring subbands together again */ - ssr_ipqf(ssr, output, time_out, ipqf_buffer, frame_len, SSR_BANDS); -} - -static void ssr_gain_control(ssr_info *ssr, real_t *data, real_t *output, - real_t *overlap, real_t *prev_fmd, uint8_t band, - uint8_t window_sequence, uint16_t frame_len) -{ - uint16_t i; - real_t gc_function[2*1024/SSR_BANDS]; - - if (window_sequence != EIGHT_SHORT_SEQUENCE) - { - ssr_gc_function(ssr, &prev_fmd[band * frame_len*2], - gc_function, window_sequence, band, frame_len); - - for (i = 0; i < frame_len*2; i++) - data[band * frame_len*2 + i] *= gc_function[i]; - for (i = 0; i < frame_len; i++) - { - output[band*frame_len + i] = overlap[band*frame_len + i] + - data[band*frame_len*2 + i]; - } - for (i = 0; i < frame_len; i++) - { - overlap[band*frame_len + i] = - data[band*frame_len*2 + frame_len + i]; - } - } else { - uint8_t w; - for (w = 0; w < 8; w++) - { - uint16_t frame_len8 = frame_len/8; - uint16_t frame_len16 = frame_len/16; - - ssr_gc_function(ssr, &prev_fmd[band*frame_len*2 + w*frame_len*2/8], - gc_function, window_sequence, frame_len); - - for (i = 0; i < frame_len8*2; i++) - data[band*frame_len*2 + w*frame_len8*2+i] *= gc_function[i]; - for (i = 0; i < frame_len8; i++) - { - overlap[band*frame_len + i + 7*frame_len16 + w*frame_len8] += - data[band*frame_len*2 + 2*w*frame_len8 + i]; - } - for (i = 0; i < frame_len8; i++) - { - overlap[band*frame_len + i + 7*frame_len16 + (w+1)*frame_len8] = - data[band*frame_len*2 + 2*w*frame_len8 + frame_len8 + i]; - } - } - for (i = 0; i < frame_len; i++) - output[band*frame_len + i] = overlap[band*frame_len + i]; - for (i = 0; i < frame_len; i++) - overlap[band*frame_len + i] = overlap[band*frame_len + i + frame_len]; - } -} - -static void ssr_gc_function(ssr_info *ssr, real_t *prev_fmd, - real_t *gc_function, uint8_t window_sequence, - uint8_t band, uint16_t frame_len) -{ - uint16_t i; - uint16_t len_area1, len_area2; - int32_t aloc[10]; - real_t alev[10]; - - switch (window_sequence) - { - case ONLY_LONG_SEQUENCE: - len_area1 = frame_len/SSR_BANDS; - len_area2 = 0; - break; - case LONG_START_SEQUENCE: - len_area1 = (frame_len/SSR_BANDS)*7/32; - len_area2 = (frame_len/SSR_BANDS)/16; - break; - case EIGHT_SHORT_SEQUENCE: - len_area1 = (frame_len/8)/SSR_BANDS; - len_area2 = 0; - break; - case LONG_STOP_SEQUENCE: - len_area1 = (frame_len/SSR_BANDS); - len_area2 = 0; - break; - } - - /* decode bitstream information */ - - /* build array M */ - - - for (i = 0; i < frame_len*2; i++) - gc_function[i] = 1; -} - -#endif -- cgit v1.2.3