blob: df3589a8d56bcb162a468687feefadb4e448d1b9
1 | /* |
2 | * copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at> |
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 | #ifndef AVCODEC_SYNTH_FILTER_H |
22 | #define AVCODEC_SYNTH_FILTER_H |
23 | |
24 | #include "fft.h" |
25 | #include "dcadct.h" |
26 | |
27 | typedef struct SynthFilterContext { |
28 | void (*synth_filter_float)(FFTContext *imdct, |
29 | float *synth_buf_ptr, int *synth_buf_offset, |
30 | float synth_buf2[32], const float window[512], |
31 | float out[32], const float in[32], |
32 | float scale); |
33 | void (*synth_filter_float_64)(FFTContext *imdct, |
34 | float *synth_buf_ptr, int *synth_buf_offset, |
35 | float synth_buf2[64], const float window[1024], |
36 | float out[64], const float in[64], float scale); |
37 | void (*synth_filter_fixed)(DCADCTContext *imdct, |
38 | int32_t *synth_buf_ptr, int *synth_buf_offset, |
39 | int32_t synth_buf2[32], const int32_t window[512], |
40 | int32_t out[32], const int32_t in[32]); |
41 | void (*synth_filter_fixed_64)(DCADCTContext *imdct, |
42 | int32_t *synth_buf_ptr, int *synth_buf_offset, |
43 | int32_t synth_buf2[64], const int32_t window[1024], |
44 | int32_t out[64], const int32_t in[64]); |
45 | } SynthFilterContext; |
46 | |
47 | void ff_synth_filter_init(SynthFilterContext *c); |
48 | void ff_synth_filter_init_aarch64(SynthFilterContext *c); |
49 | void ff_synth_filter_init_arm(SynthFilterContext *c); |
50 | void ff_synth_filter_init_x86(SynthFilterContext *c); |
51 | |
52 | #endif /* AVCODEC_SYNTH_FILTER_H */ |
53 |