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Update DUMB to revision 30b178af5674b8604306885a693c2a8aa422472f

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- Fixed ADPCM sample support



SVN r4105 (trunk)
This commit is contained in:
Randy Heit 2013-02-08 01:00:53 +00:00
parent 5c65f7188e
commit a0bc90bbc8
1 changed files with 19 additions and 7 deletions
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26
dumb/src/it/readmod.c
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@ -393,10 +393,12 @@ static DUMBFILE *dumbfile_buffer_mod(DUMBFILE *f, uint32 *fft)
return dumbfile_open_ex(bm, &buffer_mod_dfs);
}
static DUMBFILE *dumbfile_buffer_mod_2(DUMBFILE *f, int32 *remain)
static DUMBFILE *dumbfile_buffer_mod_2(DUMBFILE *f, int n_samples, IT_SAMPLE *sample, int32 *total_sample_size, int32 *remain)
{
int32 read;
int sample_number;
BUFFERED_MOD *bm = malloc(sizeof(*bm));
unsigned char *ptr;
if (!bm) return NULL;
bm->buffered = malloc(32768);
@ -430,6 +432,21 @@ static DUMBFILE *dumbfile_buffer_mod_2(DUMBFILE *f, int32 *remain)
if (*remain) {
bm->ptr = 0;
ptr = bm->buffered + *remain;
sample_number = n_samples - 1;
*total_sample_size = 0;
while (ptr > bm->buffered && sample_number >= 0) {
if (sample[sample_number].flags & IT_SAMPLE_EXISTS) {
ptr -= (sample[sample_number].length + 1) / 2 + 5 + 16;
if (ptr >= bm->buffered && !memcmp(ptr, "ADPCM", 5)) { /* BAH */
*total_sample_size += (sample[sample_number].length + 1) / 2 + 5 + 16;
} else {
*total_sample_size += sample[sample_number].length;
ptr -= sample[sample_number].length - ((sample[sample_number].length + 1) / 2 + 5 + 16);
}
}
sample_number--;
}
} else {
free(bm->buffered);
bm->buffered = NULL;
@ -635,17 +652,12 @@ static DUMB_IT_SIGDATA *it_mod_load_sigdata(DUMBFILE *f, int rstrict)
long total_sample_size;
long remain;
rem = f;
f = dumbfile_buffer_mod_2(rem, &remain);
f = dumbfile_buffer_mod_2(rem, sigdata->n_samples, sigdata->sample, &total_sample_size, &remain);
if (!f) {
_dumb_it_unload_sigdata(sigdata);
dumbfile_close(rem);
return NULL;
}
for (total_sample_size = 0, i = 0; i < sigdata->n_samples; i++) {
if (sigdata->sample[i].flags & IT_SAMPLE_EXISTS) {
total_sample_size += sigdata->sample[i].length;
}
}
if (remain > total_sample_size) {
sigdata->n_patterns = ( remain - total_sample_size + 4 ) / ( 256 * sigdata->n_pchannels );
if (fft == DUMB_ID('M',0,0,0) || fft == DUMB_ID('8',0,0,0)) {