int main(int argc, char *argv[]) {
printf("mpflow - Copyright (C) 2009 Walter de Jong <*****@*****.**>\n");
get_options(argc, argv);
if (lock_program() == -1) {
printf("another instance of mpflow is already running\n");
return 1;
}
init_mpd();
/* init app */
SDK_init();
create_window();
set_app_icon();
init_gl();
draw_startup(); /* only a border */
/* note that the order of init_() functions here is important (!) */
init_textures();
init_text();
init_covers();
init_events();
init_widget_covers();
init_widget_about();
init_widget_aboutbutton();
init_widget_titlebar();
main_widget = &w_titlebar;
prepare_widgets();
draw();
for(;;) {
SDK_handle_events();
move_covers();
if (!moving)
SDL_WaitEvent(NULL);
else
SDK_sleep(FRAME_DELAY);
}
exit_program(0);
return 0;
}
void pz_execv(const char *path, char *const argv[])
{
#ifdef IPOD
static const char *const vcs[] = {"/dev/vc/%d", "/dev/tty%d", 0};
int i, tty0_fd, ttyfd, curvt, fd, status, oldvt = 0;
struct vt_stat vtstate;
pid_t pid;
ttyfd = -1;
/* open our VT */
if ((tty0_fd = open("/dev/tty0", O_WRONLY, 0)) < 0)
if ((tty0_fd = open("/dev/vc/0", O_WRONLY, 0)) < 0)
tty0_fd = dup(0); /* STDIN is a VT? */
/* find available VT */
ioctl(tty0_fd, VT_OPENQRY, &curvt);
if (curvt <= 0) {
pz_error("No available VTs.");
goto err;
}
for (i = 0; vcs[i] && (ttyfd < 0); ++i) {
char vtpath[12];
sprintf(vtpath, vcs[i], curvt);
ttyfd = open(vtpath, O_RDWR);
}
if (ttyfd < 0) {
pz_error("No available TTYs.");
goto err;
}
/* switch to the correct vt */
if (ioctl(ttyfd, VT_GETSTATE, &vtstate) == 0)
oldvt = vtstate.v_active;
/* trick SDL and the kernel both at the same time! */
if (ioctl(tty0_fd, KDSETMODE, KD_TEXT) < 0) {
pz_error("Can't set graphics.");
goto err;
}
if (ioctl(ttyfd, VT_ACTIVATE, curvt)) {
pz_perror("child VT_ACTIVATE");
goto err;
}
if (ioctl(ttyfd, VT_WAITACTIVE, curvt)) {
pz_perror("child VT_WAITACTIVE");
goto err;
}
/* Kill MPD music player */
if (mpd_available())
kill_mpd();
switch(pid = vfork()) {
case -1: /* error */
perror("vfork");
goto err;
case 0: /* child */
close(tty0_fd);
close(ttyfd);
if(setsid() < 0) {
perror("setsid");
_exit(1);
}
close(0);
if((fd = open("/dev/console", O_RDWR)) == -1) {
perror("/dev/console");
_exit(1);
}
if(dup(fd) == -1) {
perror("stdin dup");
_exit(1);
}
close(1);
if(dup(fd) == -1) {
perror("stdout dup");
_exit(1);
}
close(2);
if(dup(fd) == -1) {
perror("stderr dup");
_exit(1);
}
execv(path, argv);
fprintf(stderr, _("Exec failed! (Check Permissions)\n"));
_exit(1);
break;
default: /* parent */
waitpid(pid, &status, 0);
sleep(5);
if (oldvt > 0) {
if (ioctl(ttyfd, VT_ACTIVATE, oldvt)) {
perror("parent VT_ACTIVATE");
goto err;
}
if(ioctl(ttyfd, VT_WAITACTIVE, oldvt)) {
perror("parent VT_WAITACTIVE");
goto err;
}
}
close(ttyfd);
ttyfd = -1;
if (ioctl(tty0_fd, KDSETMODE, KD_GRAPHICS) < 0)
pz_error("Can't reset graphics.");
if (ioctl(tty0_fd, VT_DISALLOCATE, curvt)) {
perror("VT_DISALLOCATE"); // happens sometimes, no biggy
goto err;
}
break;
}
/* init MPD music player */
if (mpd_available())
init_mpd();
err:
close(tty0_fd);
if (ttyfd >= 0)
close(ttyfd);
#else
pz_message(argv[0]);
#endif /* IPOD */
}
int main( int argc, char **argv )
{
if ( use_gui )
{
printf("init_sdl()\n");
if ( init_sdl() ) return 1;
printf("init_gl()\n");
init_gl();
}
printf("init_fft()\n");
init_fft();
#ifdef USE_FIFO
printf("init_mpd()\n");
if ( init_mpd() ) return 1;
#endif
#ifdef USE_ALSA
printf("init_alsa()\n");
if ( init_alsa() ) return 1;
#endif
if ( use_serial )
{
printf("init_serial()\n");
if ( init_serial() ) use_serial = FALSE;
}
init_lights();
init_table();
pthread_t sample_thread;
pthread_create(&sample_thread, NULL, &get_samples, NULL);
while ( !done )
{
// check to see if we have a new sample
if (new_sample == 1)
{
// we are going to process this sample, it is no longer new
pthread_mutex_lock(&sample_mutex);
new_sample = 0;
pthread_mutex_unlock(&sample_mutex);
do_fft();
detect_beats();
assign_lights();
//assign_cells();
if ( use_gui )
{
if (handle_sdl_events()) return 1;
draw_all();
}
if ( use_serial ) send_serial_fpga();
}
usleep(5000);
}
return 0;
}
