FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
dcadsp_init_arm.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2010 Mans Rullgard <mans@mansr.com>
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 "config.h"
22 
23 #include "libavutil/arm/cpu.h"
24 #include "libavutil/attributes.h"
25 #include "libavcodec/dcadsp.h"
26 
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);
29 
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);
32 
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);
39 
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],
44  float scale);
45 
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],
50  float scale);
51 
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);
57 
59 {
61 
62  if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags)) {
66  }
67  if (have_neon(cpu_flags)) {
71  }
72 }
73 
75 {
77 
78  if (have_vfp(cpu_flags) && !have_vfpv3(cpu_flags))
80  if (have_neon(cpu_flags))
82 }