blob: 3fa36f851ccc9c8ef52905ef6c6bc7b932763897
| 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 |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 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 | */ |
| 20 | |
| 21 | #ifndef AVFILTER_SHOWCQT_H |
| 22 | #define AVFILTER_SHOWCQT_H |
| 23 | |
| 24 | #include "libavcodec/avfft.h" |
| 25 | #include "avfilter.h" |
| 26 | #include "internal.h" |
| 27 | |
| 28 | typedef struct { |
| 29 | FFTSample *val; |
| 30 | int start, len; |
| 31 | } Coeffs; |
| 32 | |
| 33 | typedef struct { |
| 34 | float r, g, b; |
| 35 | } RGBFloat; |
| 36 | |
| 37 | typedef struct { |
| 38 | float y, u, v; |
| 39 | } YUVFloat; |
| 40 | |
| 41 | typedef union { |
| 42 | RGBFloat rgb; |
| 43 | YUVFloat yuv; |
| 44 | } ColorFloat; |
| 45 | |
| 46 | typedef struct { |
| 47 | const AVClass *class; |
| 48 | AVFilterContext *ctx; |
| 49 | AVFrame *axis_frame; |
| 50 | AVFrame *sono_frame; |
| 51 | enum AVPixelFormat format; |
| 52 | int sono_idx; |
| 53 | int sono_count; |
| 54 | int step; |
| 55 | AVRational step_frac; |
| 56 | int remaining_frac; |
| 57 | int remaining_fill; |
| 58 | int64_t next_pts; |
| 59 | double *freq; |
| 60 | FFTContext *fft_ctx; |
| 61 | Coeffs *coeffs; |
| 62 | FFTComplex *fft_data; |
| 63 | FFTComplex *fft_result; |
| 64 | FFTComplex *cqt_result; |
| 65 | int fft_bits; |
| 66 | int fft_len; |
| 67 | int cqt_len; |
| 68 | int cqt_align; |
| 69 | ColorFloat *c_buf; |
| 70 | float *h_buf; |
| 71 | float *rcp_h_buf; |
| 72 | float *sono_v_buf; |
| 73 | float *bar_v_buf; |
| 74 | float cmatrix[3][3]; |
| 75 | float cscheme_v[6]; |
| 76 | /* callback */ |
| 77 | void (*cqt_calc)(FFTComplex *dst, const FFTComplex *src, const Coeffs *coeffs, |
| 78 | int len, int fft_len); |
| 79 | void (*permute_coeffs)(float *v, int len); |
| 80 | void (*draw_bar)(AVFrame *out, const float *h, const float *rcp_h, |
| 81 | const ColorFloat *c, int bar_h, float bar_t); |
| 82 | void (*draw_axis)(AVFrame *out, AVFrame *axis, const ColorFloat *c, int off); |
| 83 | void (*draw_sono)(AVFrame *out, AVFrame *sono, int off, int idx); |
| 84 | void (*update_sono)(AVFrame *sono, const ColorFloat *c, int idx); |
| 85 | /* performance debugging */ |
| 86 | int64_t fft_time; |
| 87 | int64_t cqt_time; |
| 88 | int64_t process_cqt_time; |
| 89 | int64_t update_sono_time; |
| 90 | int64_t alloc_time; |
| 91 | int64_t bar_time; |
| 92 | int64_t axis_time; |
| 93 | int64_t sono_time; |
| 94 | /* option */ |
| 95 | int width, height; |
| 96 | AVRational rate; |
| 97 | int bar_h; |
| 98 | int axis_h; |
| 99 | int sono_h; |
| 100 | int fullhd; /* deprecated */ |
| 101 | char *sono_v; |
| 102 | char *bar_v; |
| 103 | float sono_g; |
| 104 | float bar_g; |
| 105 | float bar_t; |
| 106 | double timeclamp; |
| 107 | double basefreq; |
| 108 | double endfreq; |
| 109 | float coeffclamp; /* deprecated - ignored */ |
| 110 | char *tlength; |
| 111 | int count; |
| 112 | int fcount; |
| 113 | char *fontfile; |
| 114 | char *font; |
| 115 | char *fontcolor; |
| 116 | char *axisfile; |
| 117 | int axis; |
| 118 | int csp; |
| 119 | char *cscheme; |
| 120 | } ShowCQTContext; |
| 121 | |
| 122 | void ff_showcqt_init_x86(ShowCQTContext *s); |
| 123 | |
| 124 | #endif |
| 125 |