| 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 | |
| 26 | typedef struct SynthFilterContext { |
| 27 | void (*synth_filter_float)(FFTContext *imdct, |
| 28 | float *synth_buf_ptr, int *synth_buf_offset, |
| 29 | float synth_buf2[32], const float window[512], |
| 30 | float out[32], const float in[32], |
| 31 | float scale); |
| 32 | } SynthFilterContext; |
| 33 | |
| 34 | void ff_synth_filter_init(SynthFilterContext *c); |
| 35 | void ff_synth_filter_init_arm(SynthFilterContext *c); |
| 36 | void ff_synth_filter_init_x86(SynthFilterContext *c); |
| 37 | |
| 38 | #endif /* AVCODEC_SYNTH_FILTER_H */ |