| 1 | /* |
| 2 | * Copyright (c) 2014 James Almer |
| 3 | * |
| 4 | * This file is part of FFmpeg. |
| 5 | * |
| 6 | * FFmpeg is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU Lesser General Public |
| 8 | * License as published by the Free Software Foundation; either |
| 9 | * version 2.1 of the License, or (at your option) any later version. |
| 10 | * |
| 11 | * FFmpeg is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | * Lesser General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU Lesser General Public |
| 17 | * License along with FFmpeg; if not, write to the Free Software |
| 18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | */ |
| 20 | |
| 21 | #include "libavcodec/flacdsp.h" |
| 22 | #include "libavutil/x86/cpu.h" |
| 23 | #include "config.h" |
| 24 | |
| 25 | void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order, |
| 26 | int qlevel, int len); |
| 27 | void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order, |
| 28 | int qlevel, int len); |
| 29 | |
| 30 | void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *,int); |
| 31 | |
| 32 | av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt, |
| 33 | int bps) |
| 34 | { |
| 35 | #if HAVE_YASM |
| 36 | int cpu_flags = av_get_cpu_flags(); |
| 37 | |
| 38 | if (EXTERNAL_SSE4(cpu_flags)) { |
| 39 | if (bps > 16 && CONFIG_FLAC_DECODER) |
| 40 | c->lpc = ff_flac_lpc_32_sse4; |
| 41 | if (bps == 16 && CONFIG_FLAC_ENCODER && CONFIG_GPL) |
| 42 | c->lpc_encode = ff_flac_enc_lpc_16_sse4; |
| 43 | } |
| 44 | if (EXTERNAL_XOP(cpu_flags)) { |
| 45 | if (bps > 16 && CONFIG_FLAC_DECODER) |
| 46 | c->lpc = ff_flac_lpc_32_xop; |
| 47 | } |
| 48 | #endif |
| 49 | } |