| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef AVCODEC_OPUSDSP_H |
| #define AVCODEC_OPUSDSP_H |
| |
| #define CELT_EMPH_COEFF 0.8500061035f |
| |
| typedef struct OpusDSP { |
| void (*postfilter)(float *data, int period, float *gains, int len); |
| float (*deemphasis)(float *out, float *in, float coeff, int len); |
| } OpusDSP; |
| |
| void ff_opus_dsp_init(OpusDSP *ctx); |
| |
| void ff_opus_dsp_init_x86(OpusDSP *ctx); |
| void ff_opus_dsp_init_aarch64(OpusDSP *ctx); |
| |
| #endif /* AVCODEC_OPUSDSP_H */ |
