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1 /*
2  * Copyright (c) 2015 Muhammad Faiz <mfcc64@gmail.com>
3  *
4  * This file is part of FFmpeg.
5  *
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.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * Lesser General Public License for more details.
15  *
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
19  */
24 #include "libavcodec/avfft.h"
25 #include "avfilter.h"
26 #include "internal.h"
28 typedef struct Coeffs {
30  int start, len;
31 } Coeffs;
33 typedef struct RGBFloat {
34  float r, g, b;
35 } RGBFloat;
37 typedef struct YUVFloat {
38  float y, u, v;
39 } YUVFloat;
41 typedef union {
44 } ColorFloat;
46 typedef struct ShowCQTContext {
47  const AVClass *class;
52  int sono_idx;
54  int step;
59  int64_t next_pts;
60  double *freq;
66  float *attack_data;
67  int fft_bits;
68  int fft_len;
69  int cqt_len;
70  int cqt_align;
72  float *h_buf;
73  float *rcp_h_buf;
74  float *sono_v_buf;
75  float *bar_v_buf;
76  float cmatrix[3][3];
77  float cscheme_v[6];
78  /* callback */
79  void (*cqt_calc)(FFTComplex *dst, const FFTComplex *src, const Coeffs *coeffs,
80  int len, int fft_len);
81  void (*permute_coeffs)(float *v, int len);
82  void (*draw_bar)(AVFrame *out, const float *h, const float *rcp_h,
83  const ColorFloat *c, int bar_h, float bar_t);
84  void (*draw_axis)(AVFrame *out, AVFrame *axis, const ColorFloat *c, int off);
85  void (*draw_sono)(AVFrame *out, AVFrame *sono, int off, int idx);
86  void (*update_sono)(AVFrame *sono, const ColorFloat *c, int idx);
87  /* performance debugging */
88  int64_t fft_time;
89  int64_t cqt_time;
92  int64_t alloc_time;
93  int64_t bar_time;
94  int64_t axis_time;
95  int64_t sono_time;
96  /* option */
97  int width, height;
99  int bar_h;
100  int axis_h;
101  int sono_h;
102  int fullhd; /* deprecated */
103  char *sono_v;
104  char *bar_v;
105  float sono_g;
106  float bar_g;
107  float bar_t;
108  double timeclamp;
109  double attack;
110  double basefreq;
111  double endfreq;
112  float coeffclamp; /* deprecated - ignored */
113  char *tlength;
114  int count;
115  int fcount;
116  char *fontfile;
117  char *font;
118  char *fontcolor;
119  char *axisfile;
120  int axis;
121  int csp;
122  char *cscheme;
127 #endif
This structure describes decoded (raw) audio or video data.
Definition: frame.h:226
void(* update_sono)(AVFrame *sono, const ColorFloat *c, int idx)
Definition: avf_showcqt.h:86
int64_t alloc_time
Definition: avf_showcqt.h:92
int start
Definition: avf_showcqt.h:30
float cscheme_v[6]
Definition: avf_showcqt.h:77
Coeffs * coeffs
Definition: avf_showcqt.h:62
Main libavfilter public API header.
YUVFloat yuv
Definition: avf_showcqt.h:43
double timeclamp
Definition: avf_showcqt.h:108
int64_t axis_time
Definition: avf_showcqt.h:94
#define src
Definition: vp8dsp.c:254
float * rcp_h_buf
Definition: avf_showcqt.h:73
float u
Definition: avf_showcqt.h:38
AVRational step_frac
Definition: avf_showcqt.h:55
int64_t cqt_time
Definition: avf_showcqt.h:89
double * freq
Definition: avf_showcqt.h:60
FFTComplex * cqt_result
Definition: avf_showcqt.h:65
int len
Definition: avf_showcqt.h:30
float * sono_v_buf
Definition: avf_showcqt.h:74
float FFTSample
Definition: avfft.h:35
void(* cqt_calc)(FFTComplex *dst, const FFTComplex *src, const Coeffs *coeffs, int len, int fft_len)
Definition: avf_showcqt.h:79
AVFrame * axis_frame
Definition: avf_showcqt.h:49
AVRational rate
Definition: avf_showcqt.h:98
float g
Definition: avf_showcqt.h:34
Definition: fft.h:88
float b
Definition: avf_showcqt.h:34
char * fontcolor
Definition: avf_showcqt.h:118
#define s(width, name)
Definition: cbs_vp9.c:257
FFTComplex * fft_data
Definition: avf_showcqt.h:63
RGBFloat rgb
Definition: avf_showcqt.h:42
int64_t process_cqt_time
Definition: avf_showcqt.h:90
float cmatrix[3][3]
Definition: avf_showcqt.h:76
FFTComplex * fft_result
Definition: avf_showcqt.h:64
FFT functions.
Describe the class of an AVClass context structure.
Definition: log.h:67
int64_t next_pts
Definition: avf_showcqt.h:59
Rational number (pair of numerator and denominator).
Definition: rational.h:58
float * h_buf
Definition: avf_showcqt.h:72
FFTSample * val
Definition: avf_showcqt.h:29
void ff_showcqt_init_x86(ShowCQTContext *s)
float v
Definition: avf_showcqt.h:38
float * attack_data
Definition: avf_showcqt.h:66
float * bar_v_buf
Definition: avf_showcqt.h:75
int64_t sono_time
Definition: avf_showcqt.h:95
FFTContext * fft_ctx
Definition: avf_showcqt.h:61
static double c[64]
enum AVPixelFormat format
Definition: avf_showcqt.h:51
float y
Definition: avf_showcqt.h:38
AVFrame * sono_frame
Definition: avf_showcqt.h:50
float r
Definition: avf_showcqt.h:34
int64_t update_sono_time
Definition: avf_showcqt.h:91
int len
ColorFloat * c_buf
Definition: avf_showcqt.h:71
void(* permute_coeffs)(float *v, int len)
Definition: avf_showcqt.h:81
An instance of a filter.
Definition: avfilter.h:338
FILE * out
Definition: movenc.c:54
void(* draw_sono)(AVFrame *out, AVFrame *sono, int off, int idx)
Definition: avf_showcqt.h:85
void(* draw_bar)(AVFrame *out, const float *h, const float *rcp_h, const ColorFloat *c, int bar_h, float bar_t)
Definition: avf_showcqt.h:82
internal API functions
int remaining_fill_max
Definition: avf_showcqt.h:58
AVFilterContext * ctx
Definition: avf_showcqt.h:48
Pixel format.
Definition: pixfmt.h:64
int64_t fft_time
Definition: avf_showcqt.h:88
void(* draw_axis)(AVFrame *out, AVFrame *axis, const ColorFloat *c, int off)
Definition: avf_showcqt.h:84
int64_t bar_time
Definition: avf_showcqt.h:93