2 * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
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
23 #include "libavutil/arm/cpu.h"
24 #include "libavutil/attributes.h"
25 #include "libavcodec/dcadsp.h"
27 void ff_dca_lfe_fir0_neon(float *out
, const float *in
, const float *coefs
);
28 void ff_dca_lfe_fir1_neon(float *out
, const float *in
, const float *coefs
);
30 void ff_dca_lfe_fir32_vfp(float *out
, const float *in
, const float *coefs
);
31 void ff_dca_lfe_fir64_vfp(float *out
, const float *in
, const float *coefs
);
33 void ff_dca_qmf_32_subbands_vfp(float samples_in
[32][8], int sb_act
,
34 SynthFilterContext
*synth
, FFTContext
*imdct
,
35 float synth_buf_ptr
[512],
36 int *synth_buf_offset
, float synth_buf2
[32],
37 const float window
[512], float *samples_out
,
38 float raXin
[32], float scale
);
40 void ff_synth_filter_float_vfp(FFTContext
*imdct
,
41 float *synth_buf_ptr
, int *synth_buf_offset
,
42 float synth_buf2
[32], const float window
[512],
43 float out
[32], const float in
[32],
46 void ff_synth_filter_float_neon(FFTContext
*imdct
,
47 float *synth_buf_ptr
, int *synth_buf_offset
,
48 float synth_buf2
[32], const float window
[512],
49 float out
[32], const float in
[32],
52 void ff_decode_hf_neon(float dst
[DCA_SUBBANDS
][8],
53 const int32_t vq_num
[DCA_SUBBANDS
],
54 const int8_t hf_vq
[1024][32], intptr_t vq_offset
,
55 int32_t scale
[DCA_SUBBANDS
][2],
56 intptr_t start
, intptr_t end
);
58 av_cold
void ff_dcadsp_init_arm(DCADSPContext
*s
)
60 int cpu_flags
= av_get_cpu_flags();
62 if (have_vfp(cpu_flags
) && !have_vfpv3(cpu_flags
)) {
63 s
->lfe_fir
[0] = ff_dca_lfe_fir32_vfp
;
64 s
->lfe_fir
[1] = ff_dca_lfe_fir64_vfp
;
65 s
->qmf_32_subbands
= ff_dca_qmf_32_subbands_vfp
;
67 if (have_neon(cpu_flags
)) {
68 s
->lfe_fir
[0] = ff_dca_lfe_fir0_neon
;
69 s
->lfe_fir
[1] = ff_dca_lfe_fir1_neon
;
70 s
->decode_hf
= ff_decode_hf_neon
;
74 av_cold
void ff_synth_filter_init_arm(SynthFilterContext
*s
)
76 int cpu_flags
= av_get_cpu_flags();
78 if (have_vfp(cpu_flags
) && !have_vfpv3(cpu_flags
))
79 s
->synth_filter_float
= ff_synth_filter_float_vfp
;
80 if (have_neon(cpu_flags
))
81 s
->synth_filter_float
= ff_synth_filter_float_neon
;