2 * Copyright (c) 2014 James Almer
4 * This file is part of FFmpeg.
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.
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.
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
21 #include "libavcodec/flacdsp.h"
22 #include "libavutil/x86/cpu.h"
25 void ff_flac_lpc_32_sse4(int32_t *samples
, const int coeffs
[32], int order
,
27 void ff_flac_lpc_32_xop(int32_t *samples
, const int coeffs
[32], int order
,
30 void ff_flac_enc_lpc_16_sse4(int32_t *, const int32_t *, int, int, const int32_t *,int);
32 av_cold
void ff_flacdsp_init_x86(FLACDSPContext
*c
, enum AVSampleFormat fmt
,
36 int cpu_flags
= av_get_cpu_flags();
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
;
44 if (EXTERNAL_XOP(cpu_flags
)) {
45 if (bps
> 16 && CONFIG_FLAC_DECODER
)
46 c
->lpc
= ff_flac_lpc_32_xop
;