void
MoofParser::ParseEncrypted(Box& aBox)
{
for (Box box = aBox.FirstChild(); box.IsAvailable(); box = box.Next()) {
// Some MP4 files have been found to have multiple sinf boxes in the same
// enc* box. This does not match spec anyway, so just choose the first
// one that parses properly.
if (box.IsType("sinf")) {
mSinf = Sinf(box);
if (mSinf.IsValid()) {
break;
}
}
}
}
void ComplexfFromPolar (const F32 radius, const F32 angle, Complexf* outComplex) {
outComplex->real = radius * Cosf(angle);
outComplex->img = radius * Sinf(angle);
}
