@ -279,30 +279,21 @@ int main(int argc, char **argv)
struct timespec req = { . tv_sec = 0 , . tv_nsec = 0 } ;
char * usage = " \n \
Usage : " PACKAGE " [ options ] \ n \
Visualize audio input in terminal . \ n \
\ n \
Options : \ n \
- b 1. . ( console columns / 2 - 1 ) or 200 number of bars in the spectrum ( default 25 + fills up the console ) , program wil auto adjust to maxsize if input is to high ) \ n \
\ n \
- i ' input method ' method used for listnening to audio , supports ' alsa ' and ' fifo ' \ n \
\ n \
- d ' alsa device ' name of alsa capture device ( default ' hw : 1 , 1 ' ) \ n \
\ n \
- p ' fifo path ' path to fifo ( default ' / tmp / mpd . fifo ' ) \ n \
\ n \
- c color suported colors : red , green , yellow , magenta , cyan , white , blue , black ( default : cyan ) \ n \
\ n \
- C backround color supported colors : same as above ( default : no change ) \ n \
\ n \
- s sensitivity % sensitivity in percent , 0 means no respons 100 is normal 50 half 200 double and so forth \ n \
\ n \
- f framerate max frames per second to be drawn , if you are experiencing high CPU usage , try redcing this ( default : 60 ) \ n \
\ n \
- S \ " scientific \" mode (disables most smoothing) \n \
\ n \
- h print this again \ n \
\ n \
- v print version \ n \
" ;
- b 1. . ( console columns / 2 - 1 ) or 200 number of bars in the spectrum ( default 25 + fills up the console ) , program will automatically adjust if there are too many frequency bands ) \ n \
- i ' input method ' method used for listnening to audio , supports : ' alsa ' and ' fifo ' \ n \
- d ' alsa device ' name of alsa capture device ( default ' hw : 1 , 1 ' ) \ n \
- p ' fifo path ' path to fifo ( default ' / tmp / mpd . fifo ' ) \ n \
- c foreground color suported colors : red , green , yellow , magenta , cyan , white , blue , black ( default : cyan ) \ n \
- C background color supported colors : same as above ( default : no change ) \ n \
- s sensitivity sensitivity percentage , 0 % - no response , 50 % - half , 100 % - normal , etc . . . \ n \
- f framerate FPS limit , if you are experiencing high CPU usage , try redcing this ( default : 60 ) \ n \
- S \ " scientific \" mode (disables most smoothing) \n \
- h print the usage \ n \
- v print version \ n \
\ n " ;
char ch ;
setlocale ( LC_ALL , " " ) ;
@ -329,7 +320,7 @@ Options:\n\
if ( im = = 0 ) {
cleanup ( ) ;
fprintf ( stderr ,
" input method %s not supported, supported methods are: 'alsa' and 'fifo' \n " ,
" input method %s is not supported, supported methods are: 'alsa' and 'fifo' \n " ,
inputMethod ) ;
exit ( EXIT_FAILURE ) ;
}
@ -348,7 +339,7 @@ Options:\n\
case ' f ' : // argument: framerate
framerate = atoi ( optarg ) ;
break ;
case ' c ' : // argument: color
case ' c ' : // argument: foreground color
col = 0 ;
color = optarg ;
if ( strcmp ( color , " black " ) = = 0 ) col = 30 ;
@ -423,17 +414,17 @@ Options:\n\
nanosleep ( & req , NULL ) ;
n + + ;
if ( n > 2000 ) {
# ifdef DEBUG
# ifdef DEBUG
cleanup ( ) ;
fprintf ( stderr ,
" could not get rate and/or format, problems with audio thread? quiting... \n " ) ;
# endif
# endif
exit ( EXIT_FAILURE ) ;
}
}
# ifdef DEBUG
printf ( " got format: %d and rate %d \n " , format , rate ) ;
# endif
# ifdef DEBUG
printf ( " got format: %d and rate %d \n " , format , rate ) ;
# endif
}
@ -459,14 +450,16 @@ Options:\n\
1 ; //handle for user setting to many bars
height = ( int ) w . ws_row - 1 ;
width = ( int ) w . ws_col - bands - 1 ;
# ifndef DEBUG
int matrix [ width ] [ height ] ;
for ( i = 0 ; i < width ; i + + ) {
for ( n = 0 ; n < height ; n + + ) {
matrix [ i ] [ n ] = 0 ;
# ifndef DEBUG
int matrix [ width ] [ height ] ;
for ( i = 0 ; i < width ; i + + ) {
for ( n = 0 ; n < height ; n + + ) {
matrix [ i ] [ n ] = 0 ;
}
}
}
# endif
# endif
bw = width / bands ;
// process [smoothing]: calculate gravity
@ -480,11 +473,11 @@ Options:\n\
rest = ( ( ( w . ws_col ) - ( bw * bands + bands - 1 ) ) ) ;
if ( rest < 0 ) rest = 0 ;
# ifdef DEBUG
printf ( " hoyde: %d bredde: %d bands:%d bandbredde: %d rest: %d \n " ,
( int ) w . ws_row ,
( int ) w . ws_col , bands , bw , rest ) ;
# endif
# ifdef DEBUG
printf ( " hoyde: %d bredde: %d bands:%d bandbredde: %d rest: %d \n " ,
( int ) w . ws_row ,
( int ) w . ws_col , bands , bw , rest ) ;
# endif
// process: calculate cutoff frequencies
for ( n = 0 ; n < bands + 1 ; n + + ) {
@ -502,12 +495,12 @@ Options:\n\
hcf [ n - 1 ] = lcf [ n ] - 1 ;
}
# ifdef DEBUG
if ( n ! = 0 ) {
printf ( " %d: %f -> %f (%d -> %d) \n " , n , fc [ n - 1 ] , fc [ n ] , lcf [ n - 1 ] ,
hcf [ n - 1 ] ) ;
}
# endif
# ifdef DEBUG
if ( n ! = 0 ) {
printf ( " %d: %f -> %f (%d -> %d) \n " , n , fc [ n - 1 ] , fc [ n ] , lcf [ n - 1 ] ,
hcf [ n - 1 ] ) ;
}
# endif
}
// process: weigh signal to frequencies
@ -516,31 +509,31 @@ Options:\n\
// output: prepare screen
virt = system ( " setfont cava.psf >/dev/null 2>&1 " ) ;
# ifndef DEBUG
system ( " setterm -cursor off " ) ;
system ( " setterm -blank 0 " ) ;
# ifndef DEBUG
system ( " setterm -cursor off " ) ;
system ( " setterm -blank 0 " ) ;
// output: reset console
printf ( " \033 [0m \n " ) ;
system ( " clear " ) ;
// output: reset console
printf ( " \033 [0m \n " ) ;
system ( " clear " ) ;
printf ( " \033 [%dm " , col ) ; //setting color
printf ( " \033 [%dm " , col ) ; //setting color
printf ( " \033 [1m " ) ; //setting "bright" color mode, looks cooler... I think
if ( bgcol ! = 0 )
printf ( " \033 [%dm " , bgcol ) ;
{
for ( n = ( height ) ; n > = 0 ; n - - ) {
for ( i = 0 ; i < width + bands ; i + + ) {
printf ( " \033 [1m " ) ; //setting "bright" color mode, looks cooler... I think
if ( bgcol ! = 0 )
printf ( " \033 [%dm " , bgcol ) ;
{
for ( n = ( height ) ; n > = 0 ; n - - ) {
for ( i = 0 ; i < width + bands ; i + + ) {
printf ( " " ) ; //setting backround color
printf ( " " ) ; //setting backround color
}
printf ( " \n " ) ;
}
printf ( " \n " ) ;
printf ( " \033 [%dA " , height ) ; //moving cursor back up
}
printf ( " \033 [%dA " , height ) ; //moving cursor back up
}
# endif
# endif
// general: main loop
@ -566,9 +559,9 @@ Options:\n\
}
}
# ifdef DEBUG
system ( " clear " ) ;
# endif
# ifdef DEBUG
system ( " clear " ) ;
# endif
// process: populate input buffer and check if input is present
lpeak = 0 ;
CelestialWalrus
11 years ago