int decode_sdpparam_h264(struct videnc_state *st, const struct pl *name,
const struct pl *val)
{
if (0 == pl_strcasecmp(name, "packetization-mode")) {
st->u.h264.packetization_mode = pl_u32(val);
if (st->u.h264.packetization_mode != 0) {
warning("avcodec: illegal packetization-mode %u\n",
st->u.h264.packetization_mode);
return EPROTO;
}
}
else if (0 == pl_strcasecmp(name, "profile-level-id")) {
struct pl prof = *val;
if (prof.l != 6) {
warning("avcodec: invalid profile-level-id (%r)\n",
val);
return EPROTO;
}
prof.l = 2;
st->u.h264.profile_idc = pl_x32(&prof); prof.p += 2;
st->u.h264.profile_iop = pl_x32(&prof); prof.p += 2;
st->u.h264.level_idc = pl_x32(&prof);
}
else if (0 == pl_strcasecmp(name, "max-fs")) {
st->u.h264.max_fs = pl_u32(val);
}
else if (0 == pl_strcasecmp(name, "max-smbps")) {
st->u.h264.max_smbps = pl_u32(val);
}
return 0;
}
static bool nonce_validate(char *nonce, uint32_t now, const struct sa *src)
{
struct pl pl;
uint32_t v;
if (strlen(nonce) != NONCE_SIZE) {
restund_info("auth: bad nonce length (%u)\n", strlen(nonce));
return false;
}
pl.p = nonce;
pl.l = 8;
v = pl_x32(&pl) ^ auth.rand_time;
if (v + auth.nonce_expiry < now) {
restund_debug("auth: nonce expired\n");
return false;
}
pl.p += 8;
v = pl_x32(&pl) ^ auth.rand_addr;
if (v != sa_hash(src, SA_ADDR)) {
restund_info("auth: bad nonce src address (%j)\n", src);
return false;
}
return true;
}
/*
decode sdpparameter for h264
*/
static void param_handler(const struct pl *name, const struct pl *val,
void *arg)
{
struct videnc_state *st = arg;
if (0 == pl_strcasecmp(name, "packetization-mode")) {
st->h264.packetization_mode = pl_u32(val);
if (st->h264.packetization_mode != 0) {
warning("gst_video: illegal packetization-mode %u\n",
st->h264.packetization_mode);
return;
}
}
else if (0 == pl_strcasecmp(name, "profile-level-id")) {
struct pl prof = *val;
if (prof.l != 6) {
warning("gst_video: invalid profile-level-id (%r)\n",
val);
return;
}
prof.l = 2;
st->h264.profile_idc = pl_x32(&prof); prof.p += 2;
st->h264.profile_iop = pl_x32(&prof); prof.p += 2;
st->h264.level_idc = pl_x32(&prof);
}
else if (0 == pl_strcasecmp(name, "max-fs")) {
st->h264.max_fs = pl_u32(val);
}
else if (0 == pl_strcasecmp(name, "max-smbps")) {
st->h264.max_smbps = pl_u32(val);
}
return;
}
