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			130 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			130 lines
		
	
	
		
			4.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2015 Muhammad Faiz <mfcc64@gmail.com>
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|  *
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|  * This file is part of FFmpeg.
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|  *
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|  * FFmpeg is free software; you can redistribute it and/or
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|  * modify it under the terms of the GNU Lesser General Public
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|  * License as published by the Free Software Foundation; either
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|  * version 2.1 of the License, or (at your option) any later version.
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|  *
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|  * FFmpeg is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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|  * Lesser General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU Lesser General Public
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|  * License along with FFmpeg; if not, write to the Free Software
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|  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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|  */
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| 
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| #ifndef AVFILTER_SHOWCQT_H
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| #define AVFILTER_SHOWCQT_H
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| 
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| #include "libavutil/tx.h"
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| #include "avfilter.h"
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| #include "internal.h"
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| 
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| typedef struct Coeffs {
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|     float *val;
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|     int start, len;
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| } Coeffs;
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| 
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| typedef struct RGBFloat {
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|     float r, g, b;
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| } RGBFloat;
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| 
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| typedef struct YUVFloat {
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|     float y, u, v;
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| } YUVFloat;
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| 
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| typedef union {
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|     RGBFloat rgb;
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|     YUVFloat yuv;
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| } ColorFloat;
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| 
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| typedef struct ShowCQTContext {
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|     const AVClass       *class;
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|     AVFilterContext     *ctx;
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|     AVFrame             *axis_frame;
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|     AVFrame             *sono_frame;
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|     enum AVPixelFormat  format;
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|     int                 sono_idx;
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|     int                 sono_count;
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|     int                 step;
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|     AVRational          step_frac;
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|     int                 remaining_frac;
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|     int                 remaining_fill;
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|     int                 remaining_fill_max;
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|     int64_t             next_pts;
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|     double              *freq;
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|     AVTXContext         *fft_ctx;
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|     av_tx_fn            tx_fn;
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|     Coeffs              *coeffs;
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|     AVComplexFloat      *fft_data;
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|     AVComplexFloat      *fft_input;
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|     AVComplexFloat      *fft_result;
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|     AVComplexFloat      *cqt_result;
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|     float               *attack_data;
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|     int                 fft_bits;
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|     int                 fft_len;
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|     int                 cqt_len;
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|     int                 cqt_align;
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|     ColorFloat          *c_buf;
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|     float               *h_buf;
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|     float               *rcp_h_buf;
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|     float               *sono_v_buf;
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|     float               *bar_v_buf;
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|     float               cmatrix[3][3];
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|     float               cscheme_v[6];
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|     /* callback */
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|     void                (*cqt_calc)(AVComplexFloat *dst, const AVComplexFloat *src, const Coeffs *coeffs,
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|                                     int len, int fft_len);
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|     void                (*permute_coeffs)(float *v, int len);
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|     void                (*draw_bar)(AVFrame *out, const float *h, const float *rcp_h,
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|                                     const ColorFloat *c, int bar_h, float bar_t);
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|     void                (*draw_axis)(AVFrame *out, AVFrame *axis, const ColorFloat *c, int off);
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|     void                (*draw_sono)(AVFrame *out, AVFrame *sono, int off, int idx);
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|     void                (*update_sono)(AVFrame *sono, const ColorFloat *c, int idx);
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|     /* performance debugging */
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|     int64_t             fft_time;
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|     int64_t             cqt_time;
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|     int64_t             process_cqt_time;
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|     int64_t             update_sono_time;
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|     int64_t             alloc_time;
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|     int64_t             bar_time;
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|     int64_t             axis_time;
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|     int64_t             sono_time;
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|     /* option */
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|     int                 width, height;
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|     AVRational          rate;
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|     int                 bar_h;
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|     int                 axis_h;
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|     int                 sono_h;
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|     int                 fullhd; /* deprecated */
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|     char                *sono_v;
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|     char                *bar_v;
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|     float               sono_g;
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|     float               bar_g;
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|     float               bar_t;
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|     double              timeclamp;
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|     double              attack;
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|     double              basefreq;
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|     double              endfreq;
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|     float               coeffclamp; /* deprecated - ignored */
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|     char                *tlength;
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|     int                 count;
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|     int                 fcount;
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|     char                *fontfile;
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|     char                *font;
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|     char                *fontcolor;
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|     char                *axisfile;
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|     int                 axis;
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|     int                 csp;
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|     char                *cscheme;
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| } ShowCQTContext;
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| 
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| void ff_showcqt_init_x86(ShowCQTContext *s);
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| 
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| #endif
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