| /* |
| * Copyright (c) 2015 Muhammad Faiz <mfcc64@gmail.com> |
| * |
| * 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 AVFILTER_SHOWCQT_H |
| #define AVFILTER_SHOWCQT_H |
| |
| #include "libavcodec/avfft.h" |
| #include "avfilter.h" |
| #include "internal.h" |
| |
| typedef struct { |
| FFTSample *val; |
| int start, len; |
| } Coeffs; |
| |
| enum CoeffsType { |
| COEFFS_TYPE_DEFAULT, |
| COEFFS_TYPE_INTERLEAVE |
| }; |
| |
| typedef struct { |
| float r, g, b; |
| } RGBFloat; |
| |
| typedef struct { |
| float y, u, v; |
| } YUVFloat; |
| |
| typedef union { |
| RGBFloat rgb; |
| YUVFloat yuv; |
| } ColorFloat; |
| |
| typedef struct { |
| const AVClass *class; |
| AVFilterContext *ctx; |
| AVFrame *axis_frame; |
| AVFrame *sono_frame; |
| enum AVPixelFormat format; |
| int sono_idx; |
| int sono_count; |
| int step; |
| AVRational step_frac; |
| int remaining_frac; |
| int remaining_fill; |
| int64_t frame_count; |
| double *freq; |
| FFTContext *fft_ctx; |
| Coeffs *coeffs; |
| FFTComplex *fft_data; |
| FFTComplex *fft_result; |
| FFTComplex *cqt_result; |
| int fft_bits; |
| int fft_len; |
| int cqt_len; |
| int cqt_align; |
| enum CoeffsType cqt_coeffs_type; |
| ColorFloat *c_buf; |
| float *h_buf; |
| float *rcp_h_buf; |
| float *sono_v_buf; |
| float *bar_v_buf; |
| /* callback */ |
| void (*cqt_calc)(FFTComplex *dst, const FFTComplex *src, const Coeffs *coeffs, |
| int len, int fft_len); |
| void (*draw_bar)(AVFrame *out, const float *h, const float *rcp_h, |
| const ColorFloat *c, int bar_h); |
| void (*draw_axis)(AVFrame *out, AVFrame *axis, const ColorFloat *c, int off); |
| void (*draw_sono)(AVFrame *out, AVFrame *sono, int off, int idx); |
| void (*update_sono)(AVFrame *sono, const ColorFloat *c, int idx); |
| /* option */ |
| int width, height; |
| AVRational rate; |
| int bar_h; |
| int axis_h; |
| int sono_h; |
| int fullhd; /* deprecated */ |
| char *sono_v; |
| char *bar_v; |
| float sono_g; |
| float bar_g; |
| double timeclamp; |
| double basefreq; |
| double endfreq; |
| float coeffclamp; /* deprecated - ignored */ |
| char *tlength; |
| int count; |
| int fcount; |
| char *fontfile; |
| char *fontcolor; |
| char *axisfile; |
| int axis; |
| } ShowCQTContext; |
| |
| #endif |