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cava
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rename more variables to human readable format

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master
karlstav 6 years ago
parent ee96026023
commit e5702f08ca
5 changed files with 110 additions and 83 deletions
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  1. 155
      cava.c
  2. 19
      config.c
  3. 11
      config.h
  4. 4
      output/terminal_noncurses.c
  5. 4
      output/terminal_noncurses.h

155
cava.c
Unescape View File

@ -137,12 +137,13 @@ int *separate_freq_bands(int FFTbassbufferSize, fftw_complex out_bass[FFTbassbuf
int FFTmidbufferSize, fftw_complex out_mid[FFTmidbufferSize / 2 + 1],
int FFTtreblebufferSize,
fftw_complex out_treble[FFTtreblebufferSize / 2 + 1], int bass_cut_off_bar,
int treble_cut_off_bar, int number_of_bars, int lcf[256], int hcf[256],
int treble_cut_off_bar, int number_of_bars,
int FFTbuffer_lower_cut_off[256], int FFTbuffer_upper_cut_off[256],
double eq[256], int channel, double sens, double ignore) {
int n, i;
double peak[257];
static int fl[256];
static int fr[256];
static int bars_left[256];
static int bars_right[256];
double y[FFTbassbufferSize / 2 + 1];
double temp;
@ -153,7 +154,7 @@ int *separate_freq_bands(int FFTbassbufferSize, fftw_complex out_bass[FFTbassbuf
i = 0;
// process: get peaks
for (i = lcf[n]; i <= hcf[n]; i++) {
for (i = FFTbuffer_lower_cut_off[n]; i <= FFTbuffer_upper_cut_off[n]; i++) {
if (n <= bass_cut_off_bar) {
y[i] = hypot(out_bass[i][0], out_bass[i][1]);
} else if (n > bass_cut_off_bar && n <= treble_cut_off_bar) {
@ -165,21 +166,22 @@ int *separate_freq_bands(int FFTbassbufferSize, fftw_complex out_bass[FFTbassbuf
peak[n] += y[i]; // adding upp band
}
peak[n] = peak[n] / (hcf[n] - lcf[n] + 1); // getting average
temp = peak[n] * sens * eq[n]; // multiplying with k and sens
peak[n] = peak[n] /
(FFTbuffer_upper_cut_off[n] - FFTbuffer_lower_cut_off[n] + 1); // getting average
temp = peak[n] * sens * eq[n]; // multiplying with k and sens
// printf("%d peak o: %f * sens: %f * k: %f = f: %f\n", o, peak[o], sens, eq[o], temp);
if (temp <= ignore)
temp = 0;
if (channel == LEFT_CHANNEL)
fl[n] = temp;
bars_left[n] = temp;
else
fr[n] = temp;
bars_right[n] = temp;
}
if (channel == LEFT_CHANNEL)
return fl;
return bars_left;
else
return fr;
return bars_right;
}
int *monstercat_filter(int *bars, int number_of_bars, int waves, double monstercat) {
@ -227,7 +229,7 @@ int main(int argc, char **argv) {
int thr_id GCC_UNUSED;
float cut_off_frequency[256];
float relative_cut_off[256];
int bars[256], lcf[256], hcf[256];
int bars[256], FFTbuffer_lower_cut_off[256], FFTbuffer_upper_cut_off[256];
int *bars_left, *bars_right, *bars_mono;
int bars_mem[256];
int bars_last[256];
@ -530,7 +532,7 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
case OUTPUT_NCURSES:
init_terminal_ncurses(p.color, p.bcolor, p.col, p.bgcol, p.gradient,
p.gradient_count, p.gradient_colors, &width, &lines);
//we have 8 times as much height due to using 1/8 block characters
// we have 8 times as much height due to using 1/8 block characters
height = lines * 8;
break;
#endif
@ -581,19 +583,20 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
default:
exit(EXIT_FAILURE); // Can't happen.
}
}
// handle for user setting too many bars
if (p.fixedbars) {
p.autobars = 0;
if (p.fixedbars * p.bar_width + p.fixedbars * p.bs - p.bs > width)
if (p.fixedbars * p.bar_width + p.fixedbars * p.bar_spacing - p.bar_spacing > width)
p.autobars = 1;
}
// getting orignial numbers of barss incase of resize
if (p.autobars == 1) {
number_of_bars = (width + p.bs) / (p.bar_width + p.bs);
// if (p.bs != 0) number_of_bars = (width - number_of_bars * p.bs + p.bs) / bar_width;
number_of_bars = (width + p.bar_spacing) / (p.bar_width + p.bar_spacing);
// if (p.bar_spacing != 0) number_of_bars = (width - number_of_bars * p.bar_spacing
// + p.bar_spacing) / bar_width;
} else
number_of_bars = p.fixedbars;
@ -608,7 +611,9 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
}
// checks if there is stil extra room, will use this to center
rest = (width - number_of_bars * p.bar_width - number_of_bars * p.bs + p.bs) / 2;
rest = (width - number_of_bars * p.bar_width - number_of_bars * p.bar_spacing +
p.bar_spacing) /
2;
if (rest < 0)
rest = 0;
@ -619,19 +624,22 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
double integral = p.integral * sqrt(log10(lines / 3 + 1));
#ifndef NDEBUG
printw("height: %d width: %d bars:%d bar width: %d rest: %d\n", width, lines, number_of_bars, p.bar_width, rest);
printw("height: %d width: %d bars:%d bar width: %d rest: %d\n", width, lines,
number_of_bars, p.bar_width, rest);
#endif
if (p.stereo)
number_of_bars = number_of_bars / 2; // in stereo onle half number of number_of_bars per channel
number_of_bars =
number_of_bars / 2; // in stereo onle half number of number_of_bars per channel
if (p.userEQ_enabled && (number_of_bars > 0)) {
userEQ_keys_to_bars_ratio = (double)(((double)p.userEQ_keys) / ((double)number_of_bars));
userEQ_keys_to_bars_ratio =
(double)(((double)p.userEQ_keys) / ((double)number_of_bars));
}
//calculate frequency constant (used to distribute bars across the frequency band)
double frequency_constant =
log10((float)p.lower_cut_off / (float)p.upper_cut_off) / (1 / ((float)number_of_bars + 1) - 1);
// calculate frequency constant (used to distribute bars across the frequency band)
double frequency_constant = log10((float)p.lower_cut_off / (float)p.upper_cut_off) /
(1 / ((float)number_of_bars + 1) - 1);
// process: calculate cutoff frequencies and eq
int bass_cut_off_bar = -1;
@ -641,7 +649,8 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
for (n = 0; n < number_of_bars + 1; n++) {
double bar_distribution_coefficient = frequency_constant * (-1);
bar_distribution_coefficient += ((float)n + 1) / ((float)number_of_bars + 1) * frequency_constant;
bar_distribution_coefficient +=
((float)n + 1) / ((float)number_of_bars + 1) * frequency_constant;
cut_off_frequency[n] = p.upper_cut_off * pow(10, bar_distribution_coefficient);
relative_cut_off[n] = cut_off_frequency[n] / (audio.rate / 2);
// remember nyquist!, pr my calculations this should be rate/2
@ -652,34 +661,45 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
eq[n] *= (float)height / pow(2, 28);
if (p.userEQ_enabled)
eq[n] *= p.userEQ[(int)floor(((double)n) * userEQ_keys_to_bars_ratio)];
eq[n] /= log2(audio.FFTbassbufferSize);
// lfc stores the lower cut frequency foo each bar in the fft out buffer
if (cut_off_frequency[n] < bass_cut_off) {
lcf[n] = relative_cut_off[n] * (audio.FFTbassbufferSize / 2) + 1;
// BASS
FFTbuffer_lower_cut_off[n] =
relative_cut_off[n] * (audio.FFTbassbufferSize / 2) + 1;
bass_cut_off_bar++;
treble_cut_off_bar++;
eq[n] *= log2(audio.FFTbassbufferSize);
} else if (cut_off_frequency[n] > bass_cut_off && cut_off_frequency[n] < treble_cut_off) {
lcf[n] = relative_cut_off[n] * (audio.FFTmidbufferSize / 2) + 1;
} else if (cut_off_frequency[n] > bass_cut_off &&
cut_off_frequency[n] < treble_cut_off) {
// MID
FFTbuffer_lower_cut_off[n] =
relative_cut_off[n] * (audio.FFTmidbufferSize / 2) + 1;
treble_cut_off_bar++;
if ((treble_cut_off_bar - bass_cut_off_bar) == 1) {
first_bar = true;
hcf[n - 1] = relative_cut_off[n] * (audio.FFTbassbufferSize / 2);
if (hcf[n - 1] < lcf[n - 1])
hcf[n - 1] = lcf[n - 1];
FFTbuffer_upper_cut_off[n - 1] =
relative_cut_off[n] * (audio.FFTbassbufferSize / 2);
if (FFTbuffer_upper_cut_off[n - 1] < FFTbuffer_lower_cut_off[n - 1])
FFTbuffer_upper_cut_off[n - 1] = FFTbuffer_lower_cut_off[n - 1];
} else {
first_bar = false;
}
eq[n] *= log2(audio.FFTmidbufferSize);
} else {
lcf[n] = relative_cut_off[n] * (audio.FFTtreblebufferSize / 2) + 1;
// TREBLE
FFTbuffer_lower_cut_off[n] =
relative_cut_off[n] * (audio.FFTtreblebufferSize / 2) + 1;
first_treble_bar++;
if (first_treble_bar == 1) {
first_bar = true;
hcf[n - 1] = relative_cut_off[n] * (audio.FFTmidbufferSize / 2);
if (hcf[n - 1] < lcf[n - 1])
hcf[n - 1] = lcf[n - 1];
FFTbuffer_upper_cut_off[n - 1] =
relative_cut_off[n] * (audio.FFTmidbufferSize / 2);
if (FFTbuffer_upper_cut_off[n - 1] < FFTbuffer_lower_cut_off[n - 1])
FFTbuffer_upper_cut_off[n - 1] = FFTbuffer_lower_cut_off[n - 1];
} else {
first_bar = false;
}
@ -688,18 +708,21 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
}
if (n != 0 && !first_bar) {
hcf[n - 1] = lcf[n] - 1;
FFTbuffer_upper_cut_off[n - 1] = FFTbuffer_lower_cut_off[n] - 1;
// pushing the spectrum up if the expe function gets "clumped"
if (lcf[n] <= lcf[n - 1])
lcf[n] = lcf[n - 1] + 1;
hcf[n - 1] = lcf[n] - 1;
// pushing the spectrum up if the exponential function gets "clumped" in the
// bass
if (FFTbuffer_lower_cut_off[n] <= FFTbuffer_lower_cut_off[n - 1])
FFTbuffer_lower_cut_off[n] = FFTbuffer_lower_cut_off[n - 1] + 1;
FFTbuffer_upper_cut_off[n - 1] = FFTbuffer_lower_cut_off[n] - 1;
}
#ifndef NDEBUG
if (n != 0) {
mvprintw(n, 0, "%d: %f -> %f (%d -> %d) bass: %d, treble:%d \n", n, cut_off_frequency[n - 1],
cut_off_frequency[n], lcf[n - 1], hcf[n - 1], bass_cut_off_bar, treble_cut_off_bar);
mvprintw(n, 0, "%d: %f -> %f (%d -> %d) bass: %d, treble:%d \n", n,
cut_off_frequency[n - 1], cut_off_frequency[n],
FFTbuffer_lower_cut_off[n - 1], FFTbuffer_upper_cut_off[n - 1],
bass_cut_off_bar, treble_cut_off_bar);
}
#endif
}
@ -814,17 +837,17 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
fftw_execute(p_treble_l);
fftw_execute(p_treble_r);
bars_left = separate_freq_bands(audio.FFTbassbufferSize, out_bass_l,
audio.FFTmidbufferSize, out_mid_l,
audio.FFTtreblebufferSize, out_treble_l,
bass_cut_off_bar, treble_cut_off_bar, number_of_bars / 2,
lcf, hcf, eq, LEFT_CHANNEL, p.sens, p.ignore);
bars_left = separate_freq_bands(
audio.FFTbassbufferSize, out_bass_l, audio.FFTmidbufferSize, out_mid_l,
audio.FFTtreblebufferSize, out_treble_l, bass_cut_off_bar,
treble_cut_off_bar, number_of_bars / 2, FFTbuffer_lower_cut_off,
FFTbuffer_upper_cut_off, eq, LEFT_CHANNEL, p.sens, p.ignore);
bars_right = separate_freq_bands(audio.FFTbassbufferSize, out_bass_r,
audio.FFTmidbufferSize, out_mid_r,
audio.FFTtreblebufferSize, out_treble_r,
bass_cut_off_bar, treble_cut_off_bar, number_of_bars / 2,
lcf, hcf, eq, RIGHT_CHANNEL, p.sens, p.ignore);
bars_right = separate_freq_bands(
audio.FFTbassbufferSize, out_bass_r, audio.FFTmidbufferSize, out_mid_r,
audio.FFTtreblebufferSize, out_treble_r, bass_cut_off_bar,
treble_cut_off_bar, number_of_bars / 2, FFTbuffer_lower_cut_off,
FFTbuffer_upper_cut_off, eq, RIGHT_CHANNEL, p.sens, p.ignore);
} else {
fftw_execute(p_bass_l);
@ -833,7 +856,8 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
bars_mono = separate_freq_bands(
audio.FFTbassbufferSize, out_bass_l, audio.FFTmidbufferSize, out_mid_l,
audio.FFTtreblebufferSize, out_treble_l, bass_cut_off_bar,
treble_cut_off_bar, number_of_bars, lcf, hcf, eq, LEFT_CHANNEL, p.sens, p.ignore);
treble_cut_off_bar, number_of_bars, FFTbuffer_lower_cut_off,
FFTbuffer_upper_cut_off, eq, LEFT_CHANNEL, p.sens, p.ignore);
}
} else { //**if in sleep mode wait and continue**//
@ -851,10 +875,13 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
if (p.monstercat) {
if (p.stereo) {
bars_left = monstercat_filter(bars_left, number_of_bars / 2, p.waves, p.monstercat);
bars_right = monstercat_filter(bars_right, number_of_bars / 2, p.waves, p.monstercat);
bars_left =
monstercat_filter(bars_left, number_of_bars / 2, p.waves, p.monstercat);
bars_right = monstercat_filter(bars_right, number_of_bars / 2, p.waves,
p.monstercat);
} else {
bars_mono = monstercat_filter(bars_mono, number_of_bars, p.waves, p.monstercat);
bars_mono =
monstercat_filter(bars_mono, number_of_bars, p.waves, p.monstercat);
}
}
@ -903,7 +930,9 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
#ifndef NDEBUG
mvprintw(n, 0, "%d: f:%f->%f (%d->%d), k-value:\
%15e, peak:%d \n",
n, cut_off_frequency[n], cut_off_frequency[n + 1], lcf[n], hcf[n], eq[n], bars[n]);
n, cut_off_frequency[n], cut_off_frequency[n + 1],
FFTbuffer_lower_cut_off[n], FFTbuffer_upper_cut_off[n], eq[n],
bars[n]);
// if(bars[n] > maxvalue) maxvalue = bars[n];
#endif
}
@ -931,20 +960,22 @@ as of 0.4.0 all options are specified in config file, see in '/home/username/.co
switch (output_mode) {
case OUTPUT_NCURSES:
#ifdef NCURSES
rc = draw_terminal_ncurses(inAtty, lines, width, number_of_bars, p.bar_width, p.bs, rest, bars, previous_frame,
rc = draw_terminal_ncurses(inAtty, lines, width, number_of_bars, p.bar_width,
p.bar_spacing, rest, bars, previous_frame,
p.gradient);
break;
#endif
case OUTPUT_NONCURSES:
rc = draw_terminal_noncurses(inAtty, lines, width, number_of_bars, p.bar_width, p.bs, rest, bars, previous_frame);
rc = draw_terminal_noncurses(inAtty, lines, width, number_of_bars, p.bar_width,
p.bar_spacing, rest, bars, previous_frame);
break;
case OUTPUT_RAW:
rc = print_raw_out(number_of_bars, fp, p.is_bin, p.bit_format, p.ascii_range, p.bar_delim,
p.frame_delim, bars);
rc = print_raw_out(number_of_bars, fp, p.is_bin, p.bit_format, p.ascii_range,
p.bar_delim, p.frame_delim, bars);
break;
default:
exit(EXIT_FAILURE); // Can't happen.
exit(EXIT_FAILURE); // Can't happen.
}
// terminal has been resized breaking to recalibrating values

19
config.c
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@ -177,7 +177,7 @@ bool validate_config(struct config_params *p, struct error_s *error) {
}
if (strcmp(outputMethod, "raw") == 0) { // raw:
p->om = OUTPUT_RAW;
p->bs = 0;
p->bar_spacing = 0;
p->bar_width = 1;
// checking data format
@ -208,17 +208,18 @@ bool validate_config(struct config_params *p, struct error_s *error) {
}
if (p->om == OUTPUT_NOT_SUPORTED) {
#ifndef NCURSES
write_errorf(error,
"output method %s is not supported, supported methods are: 'noncurses' and 'raw'\n",
outputMethod);
write_errorf(
error,
"output method %s is not supported, supported methods are: 'noncurses' and 'raw'\n",
outputMethod);
return false;
#endif
#ifdef NCURSES
write_errorf(
error,
"output method %s is not supported, supported methods are: 'ncurses', 'noncurses' and 'raw'\n",
outputMethod);
write_errorf(error,
"output method %s is not supported, supported methods are: 'ncurses', "
"'noncurses' and 'raw'\n",
outputMethod);
return false;
#endif
}
@ -423,7 +424,7 @@ bool load_config(char configPath[PATH_MAX], struct config_params *p, bool colors
p->fixedbars = iniparser_getint(ini, "general:bars", 0);
p->bar_width = iniparser_getint(ini, "general:bar_width", 2);
p->bs = iniparser_getint(ini, "general:bar_spacing", 1);
p->bar_spacing = iniparser_getint(ini, "general:bar_spacing", 1);
p->framerate = iniparser_getint(ini, "general:framerate", 60);
p->sens = iniparser_getint(ini, "general:sensitivity", 100);
p->autosens = iniparser_getint(ini, "general:autosens", 1);

11
config.h
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@ -49,12 +49,7 @@ enum input_method {
INPUT_MAX
};
enum output_method {
OUTPUT_NCURSES,
OUTPUT_NONCURSES,
OUTPUT_RAW,
OUTPUT_NOT_SUPORTED
};
enum output_method { OUTPUT_NCURSES, OUTPUT_NONCURSES, OUTPUT_RAW, OUTPUT_NOT_SUPORTED };
struct config_params {
char *color, *bcolor, *raw_target, *audio_source,
@ -66,8 +61,8 @@ struct config_params {
enum input_method im;
enum output_method om;
int userEQ_keys, userEQ_enabled, col, bgcol, autobars, stereo, is_bin, ascii_range, bit_format,
gradient, gradient_count, fixedbars, framerate, bar_width, bs, autosens, overshoot, waves,
FFTbufferSize, fifoSample, fifoSampleBits;
gradient, gradient_count, fixedbars, framerate, bar_width, bar_spacing, autosens, overshoot,
waves, FFTbufferSize, fifoSample, fifoSampleBits;
};
struct error_s {

4
output/terminal_noncurses.c
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@ -104,8 +104,8 @@ void get_terminal_dim_noncurses(int *w, int *h) {
system("clear"); // clearing in case of resieze
}
int draw_terminal_noncurses(int tty, int h, int w, int bars, int bar_width, int bs, int rest, int f[200],
int flastd[200]) {
int draw_terminal_noncurses(int tty, int h, int w, int bars, int bar_width, int bs, int rest,
int f[200], int flastd[200]) {
int c, move, n, o;
struct winsize dim;

4
output/terminal_noncurses.h
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@ -1,5 +1,5 @@
int init_terminal_noncurses(int col, int bgcol, int w, int h, int bar_width);
void get_terminal_dim_noncurses(int *w, int *h);
int draw_terminal_noncurses(int virt, int height, int width, int bars, int bar_width, int bs, int rest,
int f[200], int flastd[200]);
int draw_terminal_noncurses(int virt, int height, int width, int bars, int bar_width, int bs,
int rest, int f[200], int flastd[200]);
void cleanup_terminal_noncurses(void);

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