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- /*
- * 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;
-
- 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 next_pts;
- 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;
- 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);
- /* performance debugging */
- int64_t fft_time;
- int64_t cqt_time;
- int64_t process_cqt_time;
- int64_t update_sono_time;
- int64_t alloc_time;
- int64_t bar_time;
- int64_t axis_time;
- int64_t sono_time;
- /* 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
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