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
24 #include "config.h"
25
26 void ff_flac_lpc_32_sse4(int32_t *samples, const int coeffs[32], int order,
27 int qlevel, int len);
28 void ff_flac_lpc_32_xop(int32_t *samples, const int coeffs[32], int order,
29 int qlevel, int len);
30
31 void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *,int);
32
ff_flacdsp_init_x86(FLACDSPContext * c,enum AVSampleFormat fmt,int bps)33 av_cold void ff_flacdsp_init_x86(FLACDSPContext *c, enum AVSampleFormat fmt,
34 int bps)
35 {
36 #if HAVE_YASM
37 int cpu_flags = av_get_cpu_flags();
38
39 if (EXTERNAL_SSE4(cpu_flags)) {
40 if (bps > 16 && CONFIG_FLAC_DECODER)
41 c->lpc = ff_flac_lpc_32_sse4;
42 if (bps == 16 && CONFIG_FLAC_ENCODER && CONFIG_GPL)
43 c->lpc_encode = ff_flac_enc_lpc_16_sse4;
44 }
45 if (EXTERNAL_XOP(cpu_flags)) {
46 if (bps > 16 && CONFIG_FLAC_DECODER)
47 c->lpc = ff_flac_lpc_32_xop;
48 }
49 #endif
50 }
51