in h264_encoder_core/src/h264_encoder.cpp [304:311]
std::vector<uint8_t> GetExtraData() const
{
if (param_ != nullptr && param_->extradata != nullptr && param_->extradata_size > 0) {
return std::vector<uint8_t>(param_->extradata, param_->extradata + param_->extradata_size);
} else {
return std::vector<uint8_t>();
}
}