/**
* @brief Constructor
* @param image is the input image @see rapp::object::picture
* @param image_format is the image format
* @param callback is the function that will receive a vector of the detected face(s) coordinates
*/
faceDetector (
const std::shared_ptr<rapp::object::picture> image,
const std::string image_format,
std::function< void ( std::vector< rapp::object::face > ) > callback
)
: rapp::services::asio_service_http (), delegate_ ( callback )
{
assert( image );
// Create a new random boundary
std::string boundary = randomBoundary();
// Create a random file name + extension
std::string fname = randomBoundary() + "." + image_format;
// Create the Multi-form POST field
post_ += "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"file_uri\"; filename=\"" + fname + "\"\r\n";
post_ += "Content-Type: image/" + image_format + "\r\n";
post_ += "Content-Transfer-Encoding: binary\r\n\r\n";
// Append binary data
auto imagebytes = image->bytearray();
post_.insert( post_.end(), imagebytes.begin(), imagebytes.end() );
post_ += "\r\n";
post_ += "--" + boundary + "--";
// Count Data size
auto size = post_.size() * sizeof( std::string::value_type );
// Form the Header
header_ = "POST /hop/face_detection HTTP/1.1\r\n";
header_ += "Host: " + std::string( rapp::cloud::address ) + "\r\n";
header_ += "Connection: close\r\n";
header_ += "Content-Length: " + boost::lexical_cast<std::string>( size ) + "\r\n";
header_ += "Content-Type: multipart/form-data; boundary=" + boundary + "\r\n\r\n";
// bind the base class callback, to our handle_reply
callback_ = std::bind ( &faceDetector::handle_reply, this, std::placeholders::_1 );
}
/**
* @brief Constructor
* @param image is a picture object pointer
* @param callback is the function that will receive a vector of detected qr(s)
* @param image_format must be defined, e.g.: jpeg, png, gif, etc.
*/
qrDetector (
const std::shared_ptr<rapp::object::picture> image,
const std::string image_format,
std::function< void ( std::vector< rapp::object::qrCode> ) > callback
)
: rapp::services::asio_service_http (), delegate__ ( callback )
{
if ( !image )
throw std::runtime_error ( "qrDetector::qrDetector param image null ptr" );
// Create a new random boundary
std::string boundary = randomBoundary();
// Create the name for the image (just a textfield request)
post_ = "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"fileName\"\r\n\r\n";
post_ += "image." + image_format + "\r\n";
// Create the Multi-form POST field
post_ += "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"fileContents\"; filename=\"image." + image_format + "\"\r\n";
post_ += "Content-Type: image/" + image_format + "\r\n";
post_ += "Content-Transfer-Encoding: binary\r\n\r\n";
// Append binary data
auto imagebytes = image->bytearray();
post_.insert( post_.end(), imagebytes.begin(), imagebytes.end() );
post_ += "\r\n";
post_ += "--" + boundary + "--";
// Count Data size
auto size = post_.size() * sizeof( std::string::value_type );
// Form the Header
header_ = "POST /hop/qr_detect HTTP/1.1\r\n";
header_ += "Host: " + std::string( hostname ) + "\r\n";
header_ += "Connection: close\r\n";
header_ += "Content-Length: " + boost::lexical_cast<std::string>( size ) + "\r\n";
header_ += "Content-Type: multipart/form-data; boundary=" + boundary + "\r\n\r\n";
// bind the asio_service_http::callback, to our handle_reply
callback_ = std::bind ( &qrDetector::handle_reply, this, std::placeholders::_1 );
}
/**
* @brief Contrusct a speechToText handler
* @param audio is the actual binary sound file
* @param language is the language used for speech to text
* @param grammar is the Grammars used in Spc2Txt
* @param user is the user token
* @param words will be searched for in the audio
* @param sentences will be under consideration
* @param callback will be executed once the rapp cloud has responded
*/
speechToText (
const std::shared_ptr<rapp::object::audio> file,
const std::string language,
const std::string user,
const std::string audio_source,
const std::vector<std::string> grammar,
const std::vector<std::string> words,
const std::vector<std::string> sentences,
std::function< void( std::vector<std::string> words ) > callback
)
: rapp::services::asio_service_http (), delegate_ ( callback )
{
assert( file );
// Create a new random boundary
std::string boundary = randomBoundary();
std::string fname = randomBoundary(); // || "audio.ogg" || "audio.wav"
// Boundary start and 1st POST
post_ = "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"language\"\r\n\r\n";
post_ += language + "\r\n";
// User
post_ += "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"user\"\r\n\r\n";
post_ += user + "\r\n";
// Audio Source (Audio Type)
post_ += "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"audio_source\"\r\n\r\n";
post_ += audio_source + "\r\n";
// Grammar[]
post_ += "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"grammar\"\r\n\r\n";
post_ += "[ ";
for ( const auto gram : grammar ) post_ += "\"" + gram + "\",";
post_.pop_back();
post_ += "]\r\n";
// Words[]
post_ += "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"words\"\r\n\r\n";
post_ += "[ ";
// WARNING - escape double quotes!!!
for ( const auto word : words ) post_ += "\"" + word + "\",";
post_.pop_back();
post_ += "]\r\n";
// Sentences[]
post_ += "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"sentences\"\r\n\r\n";
post_ += "[ ";
// WARNING - escape double quotes!!!
for ( const auto sent : sentences ) post_ += "\"" + sent + "\",";
post_.pop_back();
post_ += "]\r\n";
// file_uri - NOTE Assume WAV extension
post_ += "--" + boundary + "\r\n";
post_ += "Content-Disposition: form-data; name=\"file_uri\"; filename=\"" + fname + "\"\r\n";
post_ += "Content-Transfer-Encoding: binary\r\n\r\n";
//std::cout << post_;
// Append binary data
auto bytes = file->bytearray();
post_.insert( post_.end(), bytes.begin(), bytes.end() );
post_ += "\r\n";
post_ += "--" + boundary + "--";
// Count Data size
auto size = post_.size() * sizeof( std::string::value_type );
// Form the Header
header_ = "POST /hop/speech_detection_sphinx4 HTTP/1.1\r\n";
header_ += "Host: " + std::string( rapp::cloud::address ) + "\r\n";
header_ += "Connection: close\r\n";
header_ += "Content-Length: " + boost::lexical_cast<std::string>( size ) + "\r\n";
header_ += "Content-Type: multipart/form-data; boundary=" + boundary + "\r\n\r\n";
//std::cout << header_;
// bind the base class callback, to our handle_reply
callback_ = std::bind ( &speechToText::handle_reply, this, std::placeholders::_1 );
}
