static int
aif2format(aifheader_t * aif)
{
int sampwidth = (aif->bitdepth + 7) / 8;
if (chktype("") || chktype("NONE"))
switch (sampwidth) {
case 1:
return AIF_FMT_8;
case 2:
return AIF_FMT_16;
#ifdef WAV_FMT_24
case 3:
return WAV_FMT_24;
#endif
#ifdef AIF_FMT_32
case 4:
return AIF_FMT_32;
#endif
default:
return -1;
} else if (chktype("sowt")) {
if (sampwidth == 1)
return AIF_FMT_8;
return wav2format(&(wavheader_t) {
.format = 1,.bitdepth = aif->bitdepth}
);
} else if (chktype("alaw") || chktype("ALAW"))
node chktypelist(node e,scope v) {
node l = NULL, m;
if (ispos(e)) e = e->body.position.contents;
while (e != NULL) {
push(l,chktype(CAR(e),v));
e = CDR(e);
}
m = reverse(l);
return m;
}
