2 * Copyright (c) 2017 Paul B Mahol
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 AVFILTER_AFIR_H
22 #define AVFILTER_AFIR_H
24 #include "libavutil/common.h"
25 #include "libavutil/float_dsp.h"
26 #include "libavutil/opt.h"
27 #include "libavcodec/avfft.h"
34 typedef struct AudioFIRSegment {
53 RDFTContext **rdft, **irdft;
56 typedef struct AudioFIRDSPContext {
57 void (*fcmul_add)(float *sum, const float *t, const float *c,
61 typedef struct AudioFIRContext {
73 AVRational frame_rate;
87 AudioFIRSegment seg[1024];
95 AudioFIRDSPContext afirdsp;
96 AVFloatDSPContext *fdsp;
100 void ff_afir_init(AudioFIRDSPContext *s);
101 void ff_afir_init_x86(AudioFIRDSPContext *s);
103 #endif /* AVFILTER_AFIR_H */