ferryzhou

function mkdir_if_not_exist(dirpath)
    if dirpath(end) ~= '/', dirpath = [dirpath '/']; end
    if (exist(dirpath, 'dir') == 0), mkdir(dirpath); end
end

ferryzhou

function segs = get_segments(o)

segs = [];

if o(1), st = 1; state = 1;
else state = 2; end

for i = 2 : length(o)
    if o(i)
        if state == 2

ferryzhou

#include <stdio.h>
#include <stdlib.h>
#include <alsa/asoundlib.h>
      
#define BUF_BYTES 128

int main (int argc, char *argv[]) {
    int err;
    unsigned char buf[BUF_BYTES];