2 * copyright (c) 2008 Michael Niedermayer <michaelni@gmx.at>
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 #ifndef AVCODEC_SYNTH_FILTER_H
22 #define AVCODEC_SYNTH_FILTER_H
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],
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]);
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);
52 #endif /* AVCODEC_SYNTH_FILTER_H */