/**
* Appends smf_track_t to smf.
*/
void
smf_add_track(smf_t *smf, smf_track_t *track)
{
#ifndef NDEBUG
int cantfail;
#endif
assert(track->smf == NULL);
track->smf = smf;
g_ptr_array_add(smf->tracks_array, track);
smf->number_of_tracks++;
track->track_number = smf->number_of_tracks;
if (smf->number_of_tracks > 1) {
#ifndef NDEBUG
cantfail = smf_set_format(smf, 1);
assert(!cantfail);
#else
smf_set_format(smf, 1);
#endif
}
}
static int
cmd_format(char *new_format)
{
int tmp;
char *end;
if (new_format == NULL) {
g_message("Format is %d.", smf->format);
} else {
tmp = strtol(new_format, &end, 10);
if (end - new_format != strlen(new_format)) {
g_critical("Invalid format value, garbage characters after the number.");
return (-1);
}
if (tmp < 0 || tmp > 2) {
g_critical("Invalid format value, valid values are in range 0 - 2, inclusive.");
return (-2);
}
if (smf_set_format(smf, tmp)) {
g_critical("smf_set_format failed.");
return (-3);
}
g_message("Forma changed to %d.", smf->format);
}
return (0);
}
/**
* Allocates new smf_t structure.
* \return pointer to smf_t or NULL.
*/
smf_t *
smf_new(void)
{
int cantfail;
smf_t *smf = malloc(sizeof(smf_t));
if (smf == NULL) {
g_critical("Cannot allocate smf_t structure: %s", strerror(errno));
return (NULL);
}
memset(smf, 0, sizeof(smf_t));
smf->tracks_array = g_ptr_array_new();
assert(smf->tracks_array);
smf->tempo_array = g_ptr_array_new();
assert(smf->tempo_array);
cantfail = smf_set_ppqn(smf, 120);
assert(!cantfail);
cantfail = smf_set_format(smf, 0);
assert(!cantfail);
smf_init_tempo(smf);
return (smf);
}
/**
* Appends smf_track_t to smf.
*/
void
smf_add_track(smf_t *smf, smf_track_t *track)
{
int cantfail;
assert(track->smf == NULL);
track->smf = smf;
g_ptr_array_add(smf->tracks_array, track);
smf->number_of_tracks++;
track->track_number = smf->number_of_tracks;
if (smf->number_of_tracks > 1) {
cantfail = smf_set_format(smf, 1);
assert(!cantfail);
}
}
