M4Err ReadIPMPDUpdate(BitStream *bs, IPMPDescriptorUpdate *ipmpUp, u32 ComSize)
{
Descriptor *tmp;
u32 tmpSize = 0, nbBytes = 0;
M4Err e = M4OK;
if (! ipmpUp) return M4BadParam;
while (nbBytes < ComSize) {
e = ParseDescriptor(bs, &tmp, &tmpSize);
if (e) return e;
e = AddToIPMPDUpdate(ipmpUp, tmp);
if (e) return e;
nbBytes += tmpSize + GetSizeFieldSize(tmpSize);
}
//OD commands are aligned
BS_Align(bs);
if (nbBytes != ComSize) return M4ReadODCommandFailed;
return e;
}
GF_Err gf_odf_read_ipmp_update(GF_BitStream *bs, GF_IPMPUpdate *ipmpUp, u32 gf_odf_size_command)
{
GF_Descriptor *tmp;
u32 tmpSize = 0, nbBytes = 0;
GF_Err e = GF_OK;
if (!ipmpUp) return GF_BAD_PARAM;
while (nbBytes < gf_odf_size_command) {
e = gf_odf_parse_descriptor(bs, &tmp, &tmpSize);
if (e) return e;
e = AddToIPMPDUpdate(ipmpUp, tmp);
if (e) return e;
nbBytes += tmpSize + gf_odf_size_field_size(tmpSize);
}
//OD commands are aligned
gf_bs_align(bs);
if (nbBytes != gf_odf_size_command) return GF_ODF_INVALID_COMMAND;
return e;
}
