| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * Bluetooth low-complexity, subband codec (SBC) | ||
| 3 | * | ||
| 4 | * Copyright (C) 2017 Aurelien Jacobs <aurel@gnuage.org> | ||
| 5 | * Copyright (C) 2008-2010 Nokia Corporation | ||
| 6 | * Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org> | ||
| 7 | * Copyright (C) 2004-2005 Henryk Ploetz <henryk@ploetzli.ch> | ||
| 8 | * Copyright (C) 2005-2006 Brad Midgley <bmidgley@xmission.com> | ||
| 9 | * | ||
| 10 | * This file is part of FFmpeg. | ||
| 11 | * | ||
| 12 | * FFmpeg is free software; you can redistribute it and/or | ||
| 13 | * modify it under the terms of the GNU Lesser General Public | ||
| 14 | * License as published by the Free Software Foundation; either | ||
| 15 | * version 2.1 of the License, or (at your option) any later version. | ||
| 16 | * | ||
| 17 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 20 | * Lesser General Public License for more details. | ||
| 21 | * | ||
| 22 | * You should have received a copy of the GNU Lesser General Public | ||
| 23 | * License along with FFmpeg; if not, write to the Free Software | ||
| 24 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 25 | */ | ||
| 26 | |||
| 27 | /** | ||
| 28 | * @file | ||
| 29 | * SBC MMX optimization for some basic "building bricks" | ||
| 30 | */ | ||
| 31 | |||
| 32 | #include "libavutil/attributes.h" | ||
| 33 | #include "libavutil/cpu.h" | ||
| 34 | #include "libavutil/x86/cpu.h" | ||
| 35 | #include "libavcodec/sbcdsp.h" | ||
| 36 | |||
| 37 | void ff_sbc_analyze_4_mmx(const int16_t *in, int32_t *out, const int16_t *consts); | ||
| 38 | void ff_sbc_analyze_8_mmx(const int16_t *in, int32_t *out, const int16_t *consts); | ||
| 39 | void ff_sbc_calc_scalefactors_mmx(int32_t sb_sample_f[16][2][8], | ||
| 40 | uint32_t scale_factor[2][8], | ||
| 41 | int blocks, int channels, int subbands); | ||
| 42 | |||
| 43 | ✗ | av_cold void ff_sbcdsp_init_x86(SBCDSPContext *s) | |
| 44 | { | ||
| 45 | ✗ | int cpu_flags = av_get_cpu_flags(); | |
| 46 | |||
| 47 | ✗ | if (EXTERNAL_MMX(cpu_flags)) { | |
| 48 | ✗ | s->sbc_analyze_4 = ff_sbc_analyze_4_mmx; | |
| 49 | ✗ | s->sbc_analyze_8 = ff_sbc_analyze_8_mmx; | |
| 50 | ✗ | s->sbc_calc_scalefactors = ff_sbc_calc_scalefactors_mmx; | |
| 51 | } | ||
| 52 | ✗ | } | |
| 53 |