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Refactor V4L2 and X11 grabbers to share more code

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Former-commit-id: 46176e53d1acf39f9bd0c0ecbb8e5fb5ab4d45be
This commit is contained in:
poljvd
2014-11-21 21:24:33 +01:00
parent 01854a471e
commit d89f504d83
22 changed files with 724 additions and 748 deletions
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0
src/hyperion-x11/X11Grabber.h → include/grabber/X11Grabber.h
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102
include/protoserver/ProtoConnection.h Normal file
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@@ -0,0 +1,102 @@
#pragma once
// stl includes
#include <string>
// Qt includes
#include <QColor>
#include <QImage>
#include <QTcpSocket>
#include <QMap>
// hyperion util
#include <utils/Image.h>
#include <utils/ColorRgb.h>
// jsoncpp includes
#include <message.pb.h>
///
/// Connection class to setup an connection to the hyperion server and execute commands
///
class ProtoConnection
{
public:
///
/// Constructor
///
/// @param address The address of the Hyperion server (for example "192.168.0.32:19444)
///
ProtoConnection(const std::string & address);
///
/// Destructor
///
~ProtoConnection();
/// Do not read reply messages from Hyperion if set to true
void setSkipReply(bool skip);
///
/// Set all leds to the specified color
///
/// @param color The color
/// @param priority The priority
/// @param duration The duration in milliseconds
///
void setColor(const ColorRgb & color, int priority, int duration = 1);
///
/// Set the leds according to the given image (assume the image is stretched to the display size)
///
/// @param image The image
/// @param priority The priority
/// @param duration The duration in milliseconds
///
void setImage(const Image<ColorRgb> & image, int priority, int duration = -1);
///
/// Clear the given priority channel
///
/// @param priority The priority
///
void clear(int priority);
///
/// Clear all priority channels
///
void clearAll();
private:
/// Try to connect to the Hyperion host
void connectToHost();
///
/// Send a command message and receive its reply
///
/// @param message The message to send
///
void sendMessage(const proto::HyperionRequest & message);
///
/// Parse a reply message
///
/// @param reply The received reply
///
/// @return true if the reply indicates success
///
bool parseReply(const proto::HyperionReply & reply);
private:
/// The TCP-Socket with the connection to the server
QTcpSocket _socket;
/// Host address
QString _host;
/// Host port
uint16_t _port;
/// Skip receiving reply messages from Hyperion if set
bool _skipReply;
};

34
include/protoserver/ProtoConnectionWrapper.h Normal file
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@@ -0,0 +1,34 @@
// Qt includes
#include <QObject>
// hyperion includes
#include <utils/Image.h>
#include <utils/ColorRgb.h>
// hyperion proto includes
#include "protoserver/ProtoConnection.h"
/// This class handles callbacks from the V4L2 grabber
class ProtoConnectionWrapper : public QObject
{
Q_OBJECT
public:
ProtoConnectionWrapper(const std::string & address, int priority, int duration_ms, bool skipProtoReply);
virtual ~ProtoConnectionWrapper();
public slots:
/// Handle a single image
/// @param image The image to process
void receiveImage(const Image<ColorRgb> & image);
private:
/// Priority for calls to Hyperion
const int _priority;
/// Duration for color calls to Hyperion
const int _duration_ms;
/// Hyperion proto connection object
ProtoConnection _connection;
};

5
libsrc/grabber/CMakeLists.txt
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@@ -1,4 +1,3 @@
if (ENABLE_DISPMANX)
add_subdirectory(dispmanx)
endif (ENABLE_DISPMANX)
@@ -6,3 +5,7 @@ endif (ENABLE_DISPMANX)
if (ENABLE_V4L2)
add_subdirectory(v4l2)
endif (ENABLE_V4L2)
if (ENABLE_X11)
add_subdirectory(x11)
endif()

37
libsrc/grabber/x11/CMakeLists.txt Normal file
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@@ -0,0 +1,37 @@
# Define the current source locations
SET(CURRENT_HEADER_DIR ${CMAKE_SOURCE_DIR}/include/grabber)
SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/grabber/x11)
# Find X11
find_package(X11 REQUIRED)
include_directories(
${QT_INCLUDES}
${X11_INCLUDES}
)
SET(X11_QT_HEADERS
${CURRENT_HEADER_DIR}/X11Grabber.h
)
SET(X11_HEADERS
${CURRENT_HEADER_DIR}/X11Grabber.h
)
SET(X11_SOURCES
${CURRENT_SOURCE_DIR}/X11Grabber.cpp
)
QT4_WRAP_CPP(X11_HEADERS_MOC ${X11_QT_HEADERS})
add_library(x11-grabber
${X11_HEADERS}
${X11_SOURCES}
${X11_QT_HEADERS}
${X11_HEADERS_MOC}
)
target_link_libraries(x11-grabber
hyperion
${QT_LIBRARIES}
)

115
libsrc/grabber/x11/X11Grabber.cpp Normal file
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@@ -0,0 +1,115 @@
// STL includes
#include <iostream>
#include <cstdint>
// X11 includes
#include <X11/Xutil.h>
// X11Grabber includes
#include <grabber/X11Grabber.h>
X11Grabber::X11Grabber(const unsigned cropHorizontal, const unsigned cropVertical, const unsigned pixelDecimation) :
_pixelDecimation(pixelDecimation),
_cropWidth(cropHorizontal),
_cropHeight(cropVertical),
_x11Display(nullptr),
_screenWidth(0),
_screenHeight(0),
_image(0,0)
{
// empty
}
X11Grabber::~X11Grabber()
{
if (_x11Display != nullptr)
{
XCloseDisplay(_x11Display);
}
}
int X11Grabber::open()
{
const char * display_name = nullptr;
_x11Display = XOpenDisplay(display_name);
if (_x11Display == nullptr)
{
std::cerr << "Failed to open the default X11-display" << std::endl;
return -1;
}
return 0;
}
Image<ColorRgb> & X11Grabber::grab()
{
if (_x11Display == nullptr)
{
open();
}
updateScreenDimensions();
const int croppedWidth = _screenWidth - 2*_cropWidth;
const int croppedHeight = _screenHeight - 2*_cropHeight;
// Capture the current screen
XImage * xImage = XGetImage(_x11Display, DefaultRootWindow(_x11Display), _cropWidth, _cropHeight, croppedWidth, croppedHeight, AllPlanes, ZPixmap);
if (xImage == nullptr)
{
std::cerr << "Grab failed" << std::endl;
return _image;
}
// Copy the capture XImage to the local image (and apply required decimation)
ColorRgb * outputPtr = _image.memptr();
for (int iY=(_pixelDecimation/2); iY<croppedHeight; iY+=_pixelDecimation)
{
for (int iX=(_pixelDecimation/2); iX<croppedWidth; iX+=_pixelDecimation)
{
// Extract the pixel from the X11-image
const uint32_t pixel = uint32_t(XGetPixel(xImage, iX, iY));
// Assign the color value
outputPtr->red = uint8_t((pixel >> 16) & 0xff);
outputPtr->green = uint8_t((pixel >> 8) & 0xff);
outputPtr->blue = uint8_t((pixel >> 0) & 0xff);
// Move to the next output pixel
++outputPtr;
}
}
// Cleanup allocated resources of the X11 grab
XDestroyImage(xImage);
return _image;
}
int X11Grabber::updateScreenDimensions()
{
XWindowAttributes window_attributes_return;
const Status status = XGetWindowAttributes(_x11Display, DefaultRootWindow(_x11Display), &window_attributes_return);
if (status == 0)
{
std::cerr << "Failed to obtain window attributes" << std::endl;
return -1;
}
if (_screenWidth == unsigned(window_attributes_return.width) && _screenHeight == unsigned(window_attributes_return.height))
{
// No update required
return 0;
}
std::cout << "Update of screen resolution: [" << _screenWidth << "x" << _screenHeight <<"] => ";
_screenWidth = window_attributes_return.width;
_screenHeight = window_attributes_return.height;
std::cout << "[" << _screenWidth << "x" << _screenHeight <<"]" << std::endl;
// Update the size of the buffer used to transfer the screenshot
int width = (_screenWidth - 2 * _cropWidth + _pixelDecimation/2) / _pixelDecimation;
int height = (_screenHeight - 2 * _cropHeight + _pixelDecimation/2) / _pixelDecimation;
_image.resize(width, height);
return 0;
}

8
libsrc/protoserver/CMakeLists.txt
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@@ -10,7 +10,9 @@ include_directories(
# Group the headers that go through the MOC compiler
set(ProtoServer_QT_HEADERS
${CURRENT_HEADER_DIR}/ProtoServer.h
${CURRENT_HEADER_DIR}/ProtoConnection.h
${CURRENT_SOURCE_DIR}/ProtoClientConnection.h
${CURRENT_HEADER_DIR}/ProtoConnectionWrapper.h
)
set(ProtoServer_HEADERS
@@ -19,6 +21,8 @@ set(ProtoServer_HEADERS
set(ProtoServer_SOURCES
${CURRENT_SOURCE_DIR}/ProtoServer.cpp
${CURRENT_SOURCE_DIR}/ProtoClientConnection.cpp
${CURRENT_SOURCE_DIR}/ProtoConnection.cpp
${CURRENT_SOURCE_DIR}/ProtoConnectionWrapper.cpp
)
set(ProtoServer_PROTOS
@@ -44,5 +48,5 @@ add_library(protoserver
target_link_libraries(protoserver
hyperion
hyperion-utils
${PROTOBUF_LIBRARIES}
${QT_LIBRARIES})
${PROTOBUF_LIBRARIES}
${QT_LIBRARIES})

188
libsrc/protoserver/ProtoConnection.cpp Normal file
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@@ -0,0 +1,188 @@
// stl includes
#include <stdexcept>
// Qt includes
#include <QRgb>
// protoserver includes
#include "protoserver/ProtoConnection.h"
ProtoConnection::ProtoConnection(const std::string & a) :
_socket(),
_skipReply(false)
{
QString address(a.c_str());
QStringList parts = address.split(":");
if (parts.size() != 2)
{
throw std::runtime_error(QString("Wrong address: unable to parse address (%1)").arg(address).toStdString());
}
_host = parts[0];
bool ok;
_port = parts[1].toUShort(&ok);
if (!ok)
{
throw std::runtime_error(QString("Wrong address: Unable to parse the port number (%1)").arg(parts[1]).toStdString());
}
// try to connect to host
std::cout << "Connecting to Hyperion: " << _host.toStdString() << ":" << _port << std::endl;
connectToHost();
}
ProtoConnection::~ProtoConnection()
{
_socket.close();
}
void ProtoConnection::setSkipReply(bool skip)
{
_skipReply = skip;
}
void ProtoConnection::setColor(const ColorRgb & color, int priority, int duration)
{
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::COLOR);
proto::ColorRequest * colorRequest = request.MutableExtension(proto::ColorRequest::colorRequest);
colorRequest->set_rgbcolor((color.red << 16) | (color.green << 8) | color.blue);
colorRequest->set_priority(priority);
colorRequest->set_duration(duration);
// send command message
sendMessage(request);
}
void ProtoConnection::setImage(const Image<ColorRgb> &image, int priority, int duration)
{
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::IMAGE);
proto::ImageRequest * imageRequest = request.MutableExtension(proto::ImageRequest::imageRequest);
imageRequest->set_imagedata(image.memptr(), image.width() * image.height() * 3);
imageRequest->set_imagewidth(image.width());
imageRequest->set_imageheight(image.height());
imageRequest->set_priority(priority);
imageRequest->set_duration(duration);
// send command message
sendMessage(request);
}
void ProtoConnection::clear(int priority)
{
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::CLEAR);
proto::ClearRequest * clearRequest = request.MutableExtension(proto::ClearRequest::clearRequest);
clearRequest->set_priority(priority);
// send command message
sendMessage(request);
}
void ProtoConnection::clearAll()
{
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::CLEARALL);
// send command message
sendMessage(request);
}
void ProtoConnection::connectToHost()
{
_socket.connectToHost(_host, _port);
if (_socket.waitForConnected()) {
std::cout << "Connected to Hyperion host" << std::endl;
}
}
void ProtoConnection::sendMessage(const proto::HyperionRequest &message)
{
if (_socket.state() == QAbstractSocket::UnconnectedState)
{
std::cout << "Currently disconnected: trying to connect to host" << std::endl;
connectToHost();
}
if (_socket.state() != QAbstractSocket::ConnectedState)
{
return;
}
// We only get here if we are connected
// serialize message (FastWriter already appends a newline)
std::string serializedMessage = message.SerializeAsString();
int length = serializedMessage.size();
const uint8_t header[] = {
uint8_t((length >> 24) & 0xFF),
uint8_t((length >> 16) & 0xFF),
uint8_t((length >> 8) & 0xFF),
uint8_t((length ) & 0xFF)};
// write message
int count = 0;
count += _socket.write(reinterpret_cast<const char *>(header), 4);
count += _socket.write(reinterpret_cast<const char *>(serializedMessage.data()), length);
if (!_socket.waitForBytesWritten())
{
std::cerr << "Error while writing data to host" << std::endl;
return;
}
if (!_skipReply)
{
// read reply data
QByteArray serializedReply;
length = -1;
while (length < 0 && serializedReply.size() < length+4)
{
// receive reply
if (!_socket.waitForReadyRead())
{
std::cerr << "Error while reading data from host" << std::endl;
return;
}
serializedReply += _socket.readAll();
if (length < 0 && serializedReply.size() >= 4)
{
// read the message size
length =
((serializedReply[0]<<24) & 0xFF000000) |
((serializedReply[1]<<16) & 0x00FF0000) |
((serializedReply[2]<< 8) & 0x0000FF00) |
((serializedReply[3] ) & 0x000000FF);
}
}
// parse reply data
proto::HyperionReply reply;
reply.ParseFromArray(serializedReply.constData()+4, length);
// parse reply message
parseReply(reply);
}
}
bool ProtoConnection::parseReply(const proto::HyperionReply &reply)
{
bool success = false;
if (!reply.success())
{
if (reply.has_error())
{
throw std::runtime_error("Error: " + reply.error());
}
else
{
throw std::runtime_error("Error: No error info");
}
}
return success;
}

19
libsrc/protoserver/ProtoConnectionWrapper.cpp Normal file
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@@ -0,0 +1,19 @@
// protoserver includes
#include "protoserver/ProtoConnectionWrapper.h"
ProtoConnectionWrapper::ProtoConnectionWrapper(const std::string & address, int priority, int duration_ms, bool skipProtoReply) :
_priority(priority),
_duration_ms(duration_ms),
_connection(address)
{
_connection.setSkipReply(skipProtoReply);
}
ProtoConnectionWrapper::~ProtoConnectionWrapper()
{
}
void ProtoConnectionWrapper::receiveImage(const Image<ColorRgb> & image)
{
_connection.setImage(image, _priority, _duration_ms);
}

21
src/hyperion-v4l2/CMakeLists.txt
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@@ -2,44 +2,29 @@ cmake_minimum_required(VERSION 2.8)
project(hyperion-v4l2)
# add protocol buffers
find_package(Protobuf REQUIRED)
# find Qt4
find_package(Qt4 REQUIRED QtCore QtGui QtNetwork)
include_directories(
${CMAKE_CURRENT_BINARY_DIR}
${CMAKE_CURRENT_BINARY_DIR}/../../libsrc/protoserver
${PROTOBUF_INCLUDE_DIRS}
${QT_INCLUDES}
)
set(Hyperion_V4L2_QT_HEADERS
ImageHandler.h
ScreenshotHandler.h
)
set(Hyperion_V4L2_HEADERS
VideoStandardParameter.h
PixelFormatParameter.h
ProtoConnection.h
)
set(Hyperion_V4L2_SOURCES
hyperion-v4l2.cpp
ProtoConnection.cpp
ImageHandler.cpp
ScreenshotHandler.cpp
)
set(Hyperion_V4L2_PROTOS
${CMAKE_CURRENT_SOURCE_DIR}/../../libsrc/protoserver/message.proto
)
protobuf_generate_cpp(Hyperion_V4L2_PROTO_SRCS Hyperion_V4L2_PROTO_HDRS
${Hyperion_V4L2_PROTOS}
)
QT4_WRAP_CPP(Hyperion_V4L2_MOC_SOURCES ${Hyperion_V4L2_QT_HEADERS})
add_executable(hyperion-v4l2
@@ -47,8 +32,6 @@ add_executable(hyperion-v4l2
${Hyperion_V4L2_SOURCES}
${Hyperion_V4L2_QT_HEADERS}
${Hyperion_V4L2_MOC_SOURCES}
${Hyperion_V4L2_PROTO_SRCS}
${Hyperion_V4L2_PROTO_HDRS}
)
target_link_libraries(hyperion-v4l2
@@ -56,7 +39,7 @@ target_link_libraries(hyperion-v4l2
getoptPlusPlus
blackborder
hyperion-utils
${PROTOBUF_LIBRARIES}
protoserver
pthread
${QT_LIBRARIES}
)

18
src/hyperion-v4l2/ImageHandler.cpp
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@@ -1,18 +0,0 @@
// hyperion-v4l2 includes
#include "ImageHandler.h"
ImageHandler::ImageHandler(const std::string & address, int priority, bool skipProtoReply) :
_priority(priority),
_connection(address)
{
_connection.setSkipReply(skipProtoReply);
}
ImageHandler::~ImageHandler()
{
}
void ImageHandler::receiveImage(const Image<ColorRgb> & image)
{
_connection.setImage(image, _priority, 1000);
}

31
src/hyperion-v4l2/ImageHandler.h
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@@ -1,31 +0,0 @@
// Qt includes
#include <QObject>
// hyperion includes
#include <utils/Image.h>
#include <utils/ColorRgb.h>
// hyperion v4l2 includes
#include "ProtoConnection.h"
/// This class handles callbacks from the V4L2 grabber
class ImageHandler : public QObject
{
Q_OBJECT
public:
ImageHandler(const std::string & address, int priority, bool skipProtoReply);
virtual ~ImageHandler();
public slots:
/// Handle a single image
/// @param image The image to process
void receiveImage(const Image<ColorRgb> & image);
private:
/// Priority for calls to Hyperion
const int _priority;
/// Hyperion proto connection object
ProtoConnection _connection;
};

188
src/hyperion-v4l2/ProtoConnection.cpp
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@@ -1,188 +0,0 @@
// stl includes
#include <stdexcept>
// Qt includes
#include <QRgb>
// hyperion-v4l2 includes
#include "ProtoConnection.h"
ProtoConnection::ProtoConnection(const std::string & a) :
_socket(),
_skipReply(false)
{
QString address(a.c_str());
QStringList parts = address.split(":");
if (parts.size() != 2)
{
throw std::runtime_error(QString("Wrong address: unable to parse address (%1)").arg(address).toStdString());
}
_host = parts[0];
bool ok;
_port = parts[1].toUShort(&ok);
if (!ok)
{
throw std::runtime_error(QString("Wrong address: Unable to parse the port number (%1)").arg(parts[1]).toStdString());
}
// try to connect to host
std::cout << "Connecting to Hyperion: " << _host.toStdString() << ":" << _port << std::endl;
connectToHost();
}
ProtoConnection::~ProtoConnection()
{
_socket.close();
}
void ProtoConnection::setSkipReply(bool skip)
{
_skipReply = skip;
}
void ProtoConnection::setColor(const ColorRgb & color, int priority, int duration)
{
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::COLOR);
proto::ColorRequest * colorRequest = request.MutableExtension(proto::ColorRequest::colorRequest);
colorRequest->set_rgbcolor((color.red << 16) | (color.green << 8) | color.blue);
colorRequest->set_priority(priority);
colorRequest->set_duration(duration);
// send command message
sendMessage(request);
}
void ProtoConnection::setImage(const Image<ColorRgb> &image, int priority, int duration)
{
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::IMAGE);
proto::ImageRequest * imageRequest = request.MutableExtension(proto::ImageRequest::imageRequest);
imageRequest->set_imagedata(image.memptr(), image.width() * image.height() * 3);
imageRequest->set_imagewidth(image.width());
imageRequest->set_imageheight(image.height());
imageRequest->set_priority(priority);
imageRequest->set_duration(duration);
// send command message
sendMessage(request);
}
void ProtoConnection::clear(int priority)
{
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::CLEAR);
proto::ClearRequest * clearRequest = request.MutableExtension(proto::ClearRequest::clearRequest);
clearRequest->set_priority(priority);
// send command message
sendMessage(request);
}
void ProtoConnection::clearAll()
{
proto::HyperionRequest request;
request.set_command(proto::HyperionRequest::CLEARALL);
// send command message
sendMessage(request);
}
void ProtoConnection::connectToHost()
{
_socket.connectToHost(_host, _port);
if (_socket.waitForConnected()) {
std::cout << "Connected to Hyperion host" << std::endl;
}
}
void ProtoConnection::sendMessage(const proto::HyperionRequest &message)
{
if (_socket.state() == QAbstractSocket::UnconnectedState)
{
std::cout << "Currently disconnected: trying to connect to host" << std::endl;
connectToHost();
}
if (_socket.state() != QAbstractSocket::ConnectedState)
{
return;
}
// We only get here if we are connected
// serialize message (FastWriter already appends a newline)
std::string serializedMessage = message.SerializeAsString();
int length = serializedMessage.size();
const uint8_t header[] = {
uint8_t((length >> 24) & 0xFF),
uint8_t((length >> 16) & 0xFF),
uint8_t((length >> 8) & 0xFF),
uint8_t((length ) & 0xFF)};
// write message
int count = 0;
count += _socket.write(reinterpret_cast<const char *>(header), 4);
count += _socket.write(reinterpret_cast<const char *>(serializedMessage.data()), length);
if (!_socket.waitForBytesWritten())
{
std::cerr << "Error while writing data to host" << std::endl;
return;
}
if (!_skipReply)
{
// read reply data
QByteArray serializedReply;
length = -1;
while (length < 0 && serializedReply.size() < length+4)
{
// receive reply
if (!_socket.waitForReadyRead())
{
std::cerr << "Error while reading data from host" << std::endl;
return;
}
serializedReply += _socket.readAll();
if (length < 0 && serializedReply.size() >= 4)
{
// read the message size
length =
((serializedReply[0]<<24) & 0xFF000000) |
((serializedReply[1]<<16) & 0x00FF0000) |
((serializedReply[2]<< 8) & 0x0000FF00) |
((serializedReply[3] ) & 0x000000FF);
}
}
// parse reply data
proto::HyperionReply reply;
reply.ParseFromArray(serializedReply.constData()+4, length);
// parse reply message
parseReply(reply);
}
}
bool ProtoConnection::parseReply(const proto::HyperionReply &reply)
{
bool success = false;
if (!reply.success())
{
if (reply.has_error())
{
throw std::runtime_error("Error: " + reply.error());
}
else
{
throw std::runtime_error("Error: No error info");
}
}
return success;
}

102
src/hyperion-v4l2/ProtoConnection.h
View File

@@ -1,102 +0,0 @@
#pragma once
// stl includes
#include <string>
// Qt includes
#include <QColor>
#include <QImage>
#include <QTcpSocket>
#include <QMap>
// hyperion util
#include <utils/Image.h>
#include <utils/ColorRgb.h>
// jsoncpp includes
#include <message.pb.h>
///
/// Connection class to setup an connection to the hyperion server and execute commands
///
class ProtoConnection
{
public:
///
/// Constructor
///
/// @param address The address of the Hyperion server (for example "192.168.0.32:19444)
///
ProtoConnection(const std::string & address);
///
/// Destructor
///
~ProtoConnection();
/// Do not read reply messages from Hyperion if set to true
void setSkipReply(bool skip);
///
/// Set all leds to the specified color
///
/// @param color The color
/// @param priority The priority
/// @param duration The duration in milliseconds
///
void setColor(const ColorRgb & color, int priority, int duration = 1);
///
/// Set the leds according to the given image (assume the image is stretched to the display size)
///
/// @param image The image
/// @param priority The priority
/// @param duration The duration in milliseconds
///
void setImage(const Image<ColorRgb> & image, int priority, int duration = -1);
///
/// Clear the given priority channel
///
/// @param priority The priority
///
void clear(int priority);
///
/// Clear all priority channels
///
void clearAll();
private:
/// Try to connect to the Hyperion host
void connectToHost();
///
/// Send a command message and receive its reply
///
/// @param message The message to send
///
void sendMessage(const proto::HyperionRequest & message);
///
/// Parse a reply message
///
/// @param reply The received reply
///
/// @return true if the reply indicates success
///
bool parseReply(const proto::HyperionReply & reply);
private:
/// The TCP-Socket with the connection to the server
QTcpSocket _socket;
/// Host address
QString _host;
/// Host port
uint16_t _port;
/// Skip receiving reply messages from Hyperion if set
bool _skipReply;
};

250
src/hyperion-v4l2/hyperion-v4l2.cpp
View File

@@ -15,11 +15,13 @@
// grabber includes
#include "grabber/V4L2Grabber.h"
// proto includes
#include "protoserver/ProtoConnection.h"
#include "protoserver/ProtoConnectionWrapper.h"
// hyperion-v4l2 includes
#include "ProtoConnection.h"
#include "VideoStandardParameter.h"
#include "PixelFormatParameter.h"
#include "ImageHandler.h"
#include "ScreenshotHandler.h"
using namespace vlofgren;
@@ -27,144 +29,144 @@ using namespace vlofgren;
// save the image as screenshot
void saveScreenshot(void *, const Image<ColorRgb> & image)
{
// store as PNG
QImage pngImage((const uint8_t *) image.memptr(), image.width(), image.height(), 3*image.width(), QImage::Format_RGB888);
pngImage.save("screenshot.png");
// store as PNG
QImage pngImage((const uint8_t *) image.memptr(), image.width(), image.height(), 3*image.width(), QImage::Format_RGB888);
pngImage.save("screenshot.png");
}
int main(int argc, char** argv)
{
QCoreApplication app(argc, argv);
QCoreApplication app(argc, argv);
// force the locale
setlocale(LC_ALL, "C");
QLocale::setDefault(QLocale::c());
// force the locale
setlocale(LC_ALL, "C");
QLocale::setDefault(QLocale::c());
// register the image type to use in signals
qRegisterMetaType<Image<ColorRgb>>("Image<ColorRgb>");
// register the image type to use in signals
qRegisterMetaType<Image<ColorRgb>>("Image<ColorRgb>");
try
{
// create the option parser and initialize all parameters
OptionsParser optionParser("V4L capture application for Hyperion");
ParameterSet & parameters = optionParser.getParameters();
try
{
// create the option parser and initialize all parameters
OptionsParser optionParser("V4L capture application for Hyperion");
ParameterSet & parameters = optionParser.getParameters();
StringParameter & argDevice = parameters.add<StringParameter> ('d', "device", "The device to use [default=/dev/video0]");
VideoStandardParameter & argVideoStandard = parameters.add<VideoStandardParameter>('v', "video-standard", "The used video standard. Valid values are PAL or NTSC (optional)");
PixelFormatParameter & argPixelFormat = parameters.add<PixelFormatParameter> (0x0, "pixel-format", "The use pixel format. Valid values are YUYV, UYVY, and RGB32 (optional)");
IntParameter & argInput = parameters.add<IntParameter> (0x0, "input", "Input channel (optional)");
IntParameter & argWidth = parameters.add<IntParameter> (0x0, "width", "Try to set the width of the video input (optional)");
IntParameter & argHeight = parameters.add<IntParameter> (0x0, "height", "Try to set the height of the video input (optional)");
IntParameter & argCropWidth = parameters.add<IntParameter> (0x0, "crop-width", "Number of pixels to crop from the left and right sides of the picture before decimation [default=0]");
IntParameter & argCropHeight = parameters.add<IntParameter> (0x0, "crop-height", "Number of pixels to crop from the top and the bottom of the picture before decimation [default=0]");
IntParameter & argCropLeft = parameters.add<IntParameter> (0x0, "crop-left", "Number of pixels to crop from the left of the picture before decimation (overrides --crop-width)");
IntParameter & argCropRight = parameters.add<IntParameter> (0x0, "crop-right", "Number of pixels to crop from the right of the picture before decimation (overrides --crop-width)");
IntParameter & argCropTop = parameters.add<IntParameter> (0x0, "crop-top", "Number of pixels to crop from the top of the picture before decimation (overrides --crop-height)");
IntParameter & argCropBottom = parameters.add<IntParameter> (0x0, "crop-bottom", "Number of pixels to crop from the bottom of the picture before decimation (overrides --crop-height)");
IntParameter & argSizeDecimation = parameters.add<IntParameter> ('s', "size-decimator", "Decimation factor for the output size [default=1]");
IntParameter & argFrameDecimation = parameters.add<IntParameter> ('f', "frame-decimator", "Decimation factor for the video frames [default=1]");
SwitchParameter<> & argScreenshot = parameters.add<SwitchParameter<>> (0x0, "screenshot", "Take a single screenshot, save it to file and quit");
DoubleParameter & argSignalThreshold = parameters.add<DoubleParameter> ('t', "signal-threshold", "The signal threshold for detecting the presence of a signal. Value should be between 0.0 and 1.0.");
DoubleParameter & argRedSignalThreshold = parameters.add<DoubleParameter> (0x0, "red-threshold", "The red signal threshold. Value should be between 0.0 and 1.0. (overrides --signal-threshold)");
DoubleParameter & argGreenSignalThreshold = parameters.add<DoubleParameter> (0x0, "green-threshold", "The green signal threshold. Value should be between 0.0 and 1.0. (overrides --signal-threshold)");
DoubleParameter & argBlueSignalThreshold = parameters.add<DoubleParameter> (0x0, "blue-threshold", "The blue signal threshold. Value should be between 0.0 and 1.0. (overrides --signal-threshold)");
SwitchParameter<> & arg3DSBS = parameters.add<SwitchParameter<>> (0x0, "3DSBS", "Interpret the incoming video stream as 3D side-by-side");
SwitchParameter<> & arg3DTAB = parameters.add<SwitchParameter<>> (0x0, "3DTAB", "Interpret the incoming video stream as 3D top-and-bottom");
StringParameter & argAddress = parameters.add<StringParameter> ('a', "address", "Set the address of the hyperion server [default: 127.0.0.1:19445]");
IntParameter & argPriority = parameters.add<IntParameter> ('p', "priority", "Use the provided priority channel (the lower the number, the higher the priority) [default: 800]");
SwitchParameter<> & argSkipReply = parameters.add<SwitchParameter<>> (0x0, "skip-reply", "Do not receive and check reply messages from Hyperion");
SwitchParameter<> & argHelp = parameters.add<SwitchParameter<>> ('h', "help", "Show this help message and exit");
StringParameter & argDevice = parameters.add<StringParameter> ('d', "device", "The device to use [default=/dev/video0]");
VideoStandardParameter & argVideoStandard = parameters.add<VideoStandardParameter>('v', "video-standard", "The used video standard. Valid values are PAL or NTSC (optional)");
PixelFormatParameter & argPixelFormat = parameters.add<PixelFormatParameter> (0x0, "pixel-format", "The use pixel format. Valid values are YUYV, UYVY, and RGB32 (optional)");
IntParameter & argInput = parameters.add<IntParameter> (0x0, "input", "Input channel (optional)");
IntParameter & argWidth = parameters.add<IntParameter> (0x0, "width", "Try to set the width of the video input (optional)");
IntParameter & argHeight = parameters.add<IntParameter> (0x0, "height", "Try to set the height of the video input (optional)");
IntParameter & argCropWidth = parameters.add<IntParameter> (0x0, "crop-width", "Number of pixels to crop from the left and right sides of the picture before decimation [default=0]");
IntParameter & argCropHeight = parameters.add<IntParameter> (0x0, "crop-height", "Number of pixels to crop from the top and the bottom of the picture before decimation [default=0]");
IntParameter & argCropLeft = parameters.add<IntParameter> (0x0, "crop-left", "Number of pixels to crop from the left of the picture before decimation (overrides --crop-width)");
IntParameter & argCropRight = parameters.add<IntParameter> (0x0, "crop-right", "Number of pixels to crop from the right of the picture before decimation (overrides --crop-width)");
IntParameter & argCropTop = parameters.add<IntParameter> (0x0, "crop-top", "Number of pixels to crop from the top of the picture before decimation (overrides --crop-height)");
IntParameter & argCropBottom = parameters.add<IntParameter> (0x0, "crop-bottom", "Number of pixels to crop from the bottom of the picture before decimation (overrides --crop-height)");
IntParameter & argSizeDecimation = parameters.add<IntParameter> ('s', "size-decimator", "Decimation factor for the output size [default=1]");
IntParameter & argFrameDecimation = parameters.add<IntParameter> ('f', "frame-decimator", "Decimation factor for the video frames [default=1]");
SwitchParameter<> & argScreenshot = parameters.add<SwitchParameter<>> (0x0, "screenshot", "Take a single screenshot, save it to file and quit");
DoubleParameter & argSignalThreshold = parameters.add<DoubleParameter> ('t', "signal-threshold", "The signal threshold for detecting the presence of a signal. Value should be between 0.0 and 1.0.");
DoubleParameter & argRedSignalThreshold = parameters.add<DoubleParameter> (0x0, "red-threshold", "The red signal threshold. Value should be between 0.0 and 1.0. (overrides --signal-threshold)");
DoubleParameter & argGreenSignalThreshold = parameters.add<DoubleParameter> (0x0, "green-threshold", "The green signal threshold. Value should be between 0.0 and 1.0. (overrides --signal-threshold)");
DoubleParameter & argBlueSignalThreshold = parameters.add<DoubleParameter> (0x0, "blue-threshold", "The blue signal threshold. Value should be between 0.0 and 1.0. (overrides --signal-threshold)");
SwitchParameter<> & arg3DSBS = parameters.add<SwitchParameter<>> (0x0, "3DSBS", "Interpret the incoming video stream as 3D side-by-side");
SwitchParameter<> & arg3DTAB = parameters.add<SwitchParameter<>> (0x0, "3DTAB", "Interpret the incoming video stream as 3D top-and-bottom");
StringParameter & argAddress = parameters.add<StringParameter> ('a', "address", "Set the address of the hyperion server [default: 127.0.0.1:19445]");
IntParameter & argPriority = parameters.add<IntParameter> ('p', "priority", "Use the provided priority channel (the lower the number, the higher the priority) [default: 800]");
SwitchParameter<> & argSkipReply = parameters.add<SwitchParameter<>> (0x0, "skip-reply", "Do not receive and check reply messages from Hyperion");
SwitchParameter<> & argHelp = parameters.add<SwitchParameter<>> ('h', "help", "Show this help message and exit");
// set defaults
argDevice.setDefault("/dev/video0");
argVideoStandard.setDefault(VIDEOSTANDARD_NO_CHANGE);
argPixelFormat.setDefault(PIXELFORMAT_NO_CHANGE);
argInput.setDefault(-1);
argWidth.setDefault(-1);
argHeight.setDefault(-1);
argCropWidth.setDefault(0);
argCropHeight.setDefault(0);
argSizeDecimation.setDefault(1);
argFrameDecimation.setDefault(1);
argAddress.setDefault("127.0.0.1:19445");
argPriority.setDefault(800);
argSignalThreshold.setDefault(-1);
// set defaults
argDevice.setDefault("/dev/video0");
argVideoStandard.setDefault(VIDEOSTANDARD_NO_CHANGE);
argPixelFormat.setDefault(PIXELFORMAT_NO_CHANGE);
argInput.setDefault(-1);
argWidth.setDefault(-1);
argHeight.setDefault(-1);
argCropWidth.setDefault(0);
argCropHeight.setDefault(0);
argSizeDecimation.setDefault(1);
argFrameDecimation.setDefault(1);
argAddress.setDefault("127.0.0.1:19445");
argPriority.setDefault(800);
argSignalThreshold.setDefault(-1);
// parse all options
optionParser.parse(argc, const_cast<const char **>(argv));
// parse all options
optionParser.parse(argc, const_cast<const char **>(argv));
// check if we need to display the usage. exit if we do.
if (argHelp.isSet())
{
optionParser.usage();
return 0;
}
// check if we need to display the usage. exit if we do.
if (argHelp.isSet())
{
optionParser.usage();
return 0;
}
if (!argCropLeft.isSet()) argCropLeft.setDefault(argCropWidth.getValue());
if (!argCropRight.isSet()) argCropRight.setDefault(argCropWidth.getValue());
if (!argCropTop.isSet()) argCropTop.setDefault(argCropHeight.getValue());
if (!argCropBottom.isSet()) argCropBottom.setDefault(argCropHeight.getValue());
if (!argCropLeft.isSet()) argCropLeft.setDefault(argCropWidth.getValue());
if (!argCropRight.isSet()) argCropRight.setDefault(argCropWidth.getValue());
if (!argCropTop.isSet()) argCropTop.setDefault(argCropHeight.getValue());
if (!argCropBottom.isSet()) argCropBottom.setDefault(argCropHeight.getValue());
// initialize the grabber
V4L2Grabber grabber(
argDevice.getValue(),
argInput.getValue(),
argVideoStandard.getValue(),
argPixelFormat.getValue(),
argWidth.getValue(),
argHeight.getValue(),
std::max(1, argFrameDecimation.getValue()),
std::max(1, argSizeDecimation.getValue()),
std::max(1, argSizeDecimation.getValue()));
// initialize the grabber
V4L2Grabber grabber(
argDevice.getValue(),
argInput.getValue(),
argVideoStandard.getValue(),
argPixelFormat.getValue(),
argWidth.getValue(),
argHeight.getValue(),
std::max(1, argFrameDecimation.getValue()),
std::max(1, argSizeDecimation.getValue()),
std::max(1, argSizeDecimation.getValue()));
// set signal detection
grabber.setSignalThreshold(
std::min(1.0, std::max(0.0, argRedSignalThreshold.isSet() ? argRedSignalThreshold.getValue() : argSignalThreshold.getValue())),
std::min(1.0, std::max(0.0, argGreenSignalThreshold.isSet() ? argGreenSignalThreshold.getValue() : argSignalThreshold.getValue())),
std::min(1.0, std::max(0.0, argBlueSignalThreshold.isSet() ? argBlueSignalThreshold.getValue() : argSignalThreshold.getValue())),
50);
// set signal detection
grabber.setSignalThreshold(
std::min(1.0, std::max(0.0, argRedSignalThreshold.isSet() ? argRedSignalThreshold.getValue() : argSignalThreshold.getValue())),
std::min(1.0, std::max(0.0, argGreenSignalThreshold.isSet() ? argGreenSignalThreshold.getValue() : argSignalThreshold.getValue())),
std::min(1.0, std::max(0.0, argBlueSignalThreshold.isSet() ? argBlueSignalThreshold.getValue() : argSignalThreshold.getValue())),
50);
// set cropping values
grabber.setCropping(
std::max(0, argCropLeft.getValue()),
std::max(0, argCropRight.getValue()),
std::max(0, argCropTop.getValue()),
std::max(0, argCropBottom.getValue()));
// set cropping values
grabber.setCropping(
std::max(0, argCropLeft.getValue()),
std::max(0, argCropRight.getValue()),
std::max(0, argCropTop.getValue()),
std::max(0, argCropBottom.getValue()));
// set 3D mode if applicable
if (arg3DSBS.isSet())
{
grabber.set3D(VIDEO_3DSBS);
}
else if (arg3DTAB.isSet())
{
grabber.set3D(VIDEO_3DTAB);
}
// set 3D mode if applicable
if (arg3DSBS.isSet())
{
grabber.set3D(VIDEO_3DSBS);
}
else if (arg3DTAB.isSet())
{
grabber.set3D(VIDEO_3DTAB);
}
// run the grabber
if (argScreenshot.isSet())
{
ScreenshotHandler handler("screenshot.png");
QObject::connect(&grabber, SIGNAL(newFrame(Image<ColorRgb>)), &handler, SLOT(receiveImage(Image<ColorRgb>)));
grabber.start();
QCoreApplication::exec();
grabber.stop();
}
else
{
ImageHandler handler(argAddress.getValue(), argPriority.getValue(), argSkipReply.isSet());
QObject::connect(&grabber, SIGNAL(newFrame(Image<ColorRgb>)), &handler, SLOT(receiveImage(Image<ColorRgb>)));
grabber.start();
QCoreApplication::exec();
grabber.stop();
}
}
catch (const std::runtime_error & e)
{
// An error occured. Display error and quit
std::cerr << e.what() << std::endl;
return 1;
}
// run the grabber
if (argScreenshot.isSet())
{
ScreenshotHandler handler("screenshot.png");
QObject::connect(&grabber, SIGNAL(newFrame(Image<ColorRgb>)), &handler, SLOT(receiveImage(Image<ColorRgb>)));
grabber.start();
QCoreApplication::exec();
grabber.stop();
}
else
{
ProtoConnectionWrapper handler(argAddress.getValue(), argPriority.getValue(), 1000, argSkipReply.isSet());
QObject::connect(&grabber, SIGNAL(newFrame(Image<ColorRgb>)), &handler, SLOT(receiveImage(Image<ColorRgb>)));
grabber.start();
QCoreApplication::exec();
grabber.stop();
}
}
catch (const std::runtime_error & e)
{
// An error occured. Display error and quit
std::cerr << e.what() << std::endl;
return 1;
}
return 0;
return 0;
}

23
src/hyperion-x11/CMakeLists.txt
View File

@@ -4,9 +4,6 @@ cmake_minimum_required(VERSION 2.8)
# Set the project name
project(hyperion-x11)
# add protocol buffers
find_package(Protobuf REQUIRED)
# find Qt4
find_package(Qt4 REQUIRED QtCore QtGui QtNetwork)
@@ -14,42 +11,27 @@ find_package(Qt4 REQUIRED QtCore QtGui QtNetwork)
find_package(X11 REQUIRED)
include_directories(
${CMAKE_CURRENT_BINARY_DIR}
${PROTOBUF_INCLUDE_DIRS}
${CMAKE_CURRENT_BINARY_DIR}/../../libsrc/protoserver
${QT_INCLUDES}
${X11_INCLUDES}
)
set(Hyperion_X11_QT_HEADERS
ProtoWrapper.h
X11Wrapper.h)
set(Hyperion_X11_HEADERS
X11Grabber.h
../hyperion-v4l2/ProtoConnection.h
)
set(Hyperion_X11_SOURCES
hyperion-x11.cpp
ProtoWrapper.cpp
X11Grabber.cpp
X11Wrapper.cpp
../hyperion-v4l2/ProtoConnection.cpp
)
set(Hyperion_X11_PROTOS
${CMAKE_CURRENT_SOURCE_DIR}/../../libsrc/protoserver/message.proto
)
QT4_WRAP_CPP(Hyperion_X11_HEADERS_MOC ${Hyperion_X11_QT_HEADERS})
protobuf_generate_cpp(Hyperion_X11_PROTO_SRCS Hyperion_X11_PROTO_HDRS ${Hyperion_X11_PROTOS})
add_executable(hyperion-x11
${Hyperion_X11_HEADERS}
${Hyperion_X11_SOURCES}
${Hyperion_X11_PROTO_SRCS}
${Hyperion_X11_PROTO_HDRS}
${Hyperion_X11_HEADERS_MOC}
)
@@ -57,7 +39,8 @@ target_link_libraries(hyperion-x11
getoptPlusPlus
blackborder
hyperion-utils
${PROTOBUF_LIBRARIES}
protoserver
x11-grabber
${X11_LIBRARIES}
pthread
)

17
src/hyperion-x11/ProtoWrapper.cpp
View File

@@ -1,17 +0,0 @@
//
#include "ProtoWrapper.h"
ProtoWrapper::ProtoWrapper(const std::string & protoAddress, const bool skipReply) :
_priority(10),
_duration_ms(2000),
_connection(protoAddress)
{
_connection.setSkipReply(skipReply);
}
void ProtoWrapper::process(const Image<ColorRgb> & image)
{
std::cout << "Attempt to send screenshot" << std::endl;
_connection.setImage(image, _priority, _duration_ms);
}

23
src/hyperion-x11/ProtoWrapper.h
View File

@@ -1,23 +0,0 @@
// QT includes
#include <QObject>
#include "../hyperion-v4l2/ProtoConnection.h"
class ProtoWrapper : public QObject
{
Q_OBJECT
public:
ProtoWrapper(const std::string & protoAddress, const bool skipReply);
public slots:
void process(const Image<ColorRgb> & image);
private:
int _priority;
int _duration_ms;
ProtoConnection _connection;
};

115
src/hyperion-x11/X11Grabber.cpp
View File

@@ -1,115 +0,0 @@
// STL includes
#include <iostream>
#include <cstdint>
// X11 includes
#include <X11/Xutil.h>
// X11Grabber includes
#include "X11Grabber.h"
X11Grabber::X11Grabber(const unsigned cropHorizontal, const unsigned cropVertical, const unsigned pixelDecimation) :
_pixelDecimation(pixelDecimation),
_cropWidth(cropHorizontal),
_cropHeight(cropVertical),
_x11Display(nullptr),
_screenWidth(0),
_screenHeight(0),
_image(0,0)
{
// empty
}
X11Grabber::~X11Grabber()
{
if (_x11Display != nullptr)
{
XCloseDisplay(_x11Display);
}
}
int X11Grabber::open()
{
const char * display_name = nullptr;
_x11Display = XOpenDisplay(display_name);
if (_x11Display == nullptr)
{
std::cerr << "Failed to open the default X11-display" << std::endl;
return -1;
}
return 0;
}
Image<ColorRgb> & X11Grabber::grab()
{
if (_x11Display == nullptr)
{
open();
}
updateScreenDimensions();
const int croppedWidth = _screenWidth - 2*_cropWidth;
const int croppedHeight = _screenHeight - 2*_cropHeight;
// Capture the current screen
XImage * xImage = XGetImage(_x11Display, DefaultRootWindow(_x11Display), _cropWidth, _cropHeight, croppedWidth, croppedHeight, AllPlanes, ZPixmap);
if (xImage == nullptr)
{
std::cerr << "Grab failed" << std::endl;
return _image;
}
// Copy the capture XImage to the local image (and apply required decimation)
ColorRgb * outputPtr = _image.memptr();
for (int iY=(_pixelDecimation/2); iY<croppedHeight; iY+=_pixelDecimation)
{
for (int iX=(_pixelDecimation/2); iX<croppedWidth; iX+=_pixelDecimation)
{
// Extract the pixel from the X11-image
const uint32_t pixel = uint32_t(XGetPixel(xImage, iX, iY));
// Assign the color value
outputPtr->red = uint8_t((pixel >> 16) & 0xff);
outputPtr->green = uint8_t((pixel >> 8) & 0xff);
outputPtr->blue = uint8_t((pixel >> 0) & 0xff);
// Move to the next output pixel
++outputPtr;
}
}
// Cleanup allocated resources of the X11 grab
XDestroyImage(xImage);
return _image;
}
int X11Grabber::updateScreenDimensions()
{
XWindowAttributes window_attributes_return;
const Status status = XGetWindowAttributes(_x11Display, DefaultRootWindow(_x11Display), &window_attributes_return);
if (status == 0)
{
std::cerr << "Failed to obtain window attributes" << std::endl;
return -1;
}
if (_screenWidth == unsigned(window_attributes_return.width) && _screenHeight == unsigned(window_attributes_return.height))
{
// No update required
return 0;
}
std::cout << "Update of screen resolution: [" << _screenWidth << "x" << _screenHeight <<"] => ";
_screenWidth = window_attributes_return.width;
_screenHeight = window_attributes_return.height;
std::cout << "[" << _screenWidth << "x" << _screenHeight <<"]" << std::endl;
// Update the size of the buffer used to transfer the screenshot
int width = (_screenWidth - 2 * _cropWidth + _pixelDecimation/2) / _pixelDecimation;
int height = (_screenHeight - 2 * _cropHeight + _pixelDecimation/2) / _pixelDecimation;
_image.resize(width, height);
return 0;
}

20
src/hyperion-x11/X11Wrapper.cpp
View File

@@ -3,31 +3,31 @@
#include "X11Wrapper.h"
X11Wrapper::X11Wrapper(const unsigned cropHorizontal, const unsigned cropVertical, const unsigned pixelDecimation) :
_timer(this),
_grabber(cropHorizontal, cropVertical, pixelDecimation)
_timer(this),
_grabber(cropHorizontal, cropVertical, pixelDecimation)
{
// Connect capturing to the timeout signal of the timer
connect(&_timer, SIGNAL(timeout()), this, SLOT(capture()));
// Connect capturing to the timeout signal of the timer
connect(&_timer, SIGNAL(timeout()), this, SLOT(capture()));
}
const Image<ColorRgb> & X11Wrapper::getScreenshot()
{
const Image<ColorRgb> & screenshot = _grabber.grab();
return screenshot;
const Image<ColorRgb> & screenshot = _grabber.grab();
return screenshot;
}
void X11Wrapper::start()
{
_timer.start(200);
_timer.start(100);
}
void X11Wrapper::stop()
{
_timer.stop();
_timer.stop();
}
void X11Wrapper::capture()
{
const Image<ColorRgb> & screenshot = _grabber.grab();
emit sig_screenshot(screenshot);
const Image<ColorRgb> & screenshot = _grabber.grab();
emit sig_screenshot(screenshot);
}

38
src/hyperion-x11/X11Wrapper.h
View File

@@ -3,37 +3,37 @@
#include <QTimer>
// Hyperion-X11 includes
#include "X11Grabber.h"
#include <grabber/X11Grabber.h>
class X11Wrapper : public QObject
{
Q_OBJECT
Q_OBJECT
public:
X11Wrapper(const unsigned cropHorizontal, const unsigned cropVertical, const unsigned pixelDecimation);
X11Wrapper(const unsigned cropHorizontal, const unsigned cropVertical, const unsigned pixelDecimation);
const Image<ColorRgb> & getScreenshot();
const Image<ColorRgb> & getScreenshot();
///
/// Starts the timed capturing of screenshots
///
void start();
///
/// Starts the timed capturing of screenshots
///
void start();
void stop();
void stop();
signals:
void sig_screenshot(const Image<ColorRgb> & screenshot);
void sig_screenshot(const Image<ColorRgb> & screenshot);
private slots:
///
/// Performs a single screenshot capture and publishes the capture screenshot on the screenshot
/// signal.
///
void capture();
///
/// Performs a single screenshot capture and publishes the capture screenshot on the screenshot
/// signal.
///
void capture();
private:
/// The QT timer to generate capture-publish events
QTimer _timer;
/// The QT timer to generate capture-publish events
QTimer _timer;
/// The grabber for creating screenshots
X11Grabber _grabber;
/// The grabber for creating screenshots
X11Grabber _grabber;
};

118
src/hyperion-x11/hyperion-x11.cpp
View File

@@ -6,7 +6,7 @@
// getoptPlusPLus includes
#include <getoptPlusPlus/getoptpp.h>
#include "ProtoWrapper.h"
#include "protoserver/ProtoConnectionWrapper.h"
#include "X11Wrapper.h"
using namespace vlofgren;
@@ -14,77 +14,77 @@ using namespace vlofgren;
// save the image as screenshot
void saveScreenshot(const char * filename, const Image<ColorRgb> & image)
{
// store as PNG
QImage pngImage((const uint8_t *) image.memptr(), image.width(), image.height(), 3*image.width(), QImage::Format_RGB888);
pngImage.save(filename);
// store as PNG
QImage pngImage((const uint8_t *) image.memptr(), image.width(), image.height(), 3*image.width(), QImage::Format_RGB888);
pngImage.save(filename);
}
int main(int argc, char ** argv)
{
QCoreApplication app(argc, argv);
QCoreApplication app(argc, argv);
try
{
// create the option parser and initialize all parameters
OptionsParser optionParser("X11 capture application for Hyperion");
ParameterSet & parameters = optionParser.getParameters();
try
{
// create the option parser and initialize all parameters
OptionsParser optionParser("X11 capture application for Hyperion");
ParameterSet & parameters = optionParser.getParameters();
IntParameter & argCropWidth = parameters.add<IntParameter> (0x0, "crop-width", "Number of pixels to crop from the left and right sides in the picture before decimation [default=0]");
IntParameter & argCropHeight = parameters.add<IntParameter> (0x0, "crop-height", "Number of pixels to crop from the top and the bottom in the picture before decimation [default=0]");
IntParameter & argSizeDecimation = parameters.add<IntParameter> ('s', "size-decimator", "Decimation factor for the output size [default=16]");
SwitchParameter<> & argScreenshot = parameters.add<SwitchParameter<>> (0x0, "screenshot", "Take a single screenshot, save it to file and quit");
StringParameter & argAddress = parameters.add<StringParameter> ('a', "address", "Set the address of the hyperion server [default: 127.0.0.1:19445]");
IntParameter & argPriority = parameters.add<IntParameter> ('p', "priority", "Use the provided priority channel (the lower the number, the higher the priority) [default: 800]");
SwitchParameter<> & argSkipReply = parameters.add<SwitchParameter<>> (0x0, "skip-reply", "Do not receive and check reply messages from Hyperion");
SwitchParameter<> & argHelp = parameters.add<SwitchParameter<>> ('h', "help", "Show this help message and exit");
IntParameter & argCropWidth = parameters.add<IntParameter> (0x0, "crop-width", "Number of pixels to crop from the left and right sides in the picture before decimation [default=0]");
IntParameter & argCropHeight = parameters.add<IntParameter> (0x0, "crop-height", "Number of pixels to crop from the top and the bottom in the picture before decimation [default=0]");
IntParameter & argSizeDecimation = parameters.add<IntParameter> ('s', "size-decimator", "Decimation factor for the output size [default=16]");
SwitchParameter<> & argScreenshot = parameters.add<SwitchParameter<>> (0x0, "screenshot", "Take a single screenshot, save it to file and quit");
StringParameter & argAddress = parameters.add<StringParameter> ('a', "address", "Set the address of the hyperion server [default: 127.0.0.1:19445]");
IntParameter & argPriority = parameters.add<IntParameter> ('p', "priority", "Use the provided priority channel (the lower the number, the higher the priority) [default: 800]");
SwitchParameter<> & argSkipReply = parameters.add<SwitchParameter<>> (0x0, "skip-reply", "Do not receive and check reply messages from Hyperion");
SwitchParameter<> & argHelp = parameters.add<SwitchParameter<>> ('h', "help", "Show this help message and exit");
// set defaults
argCropWidth.setDefault(0);
argCropHeight.setDefault(0);
argSizeDecimation.setDefault(16);
argAddress.setDefault("127.0.0.1:19445");
argPriority.setDefault(800);
// set defaults
argCropWidth.setDefault(0);
argCropHeight.setDefault(0);
argSizeDecimation.setDefault(16);
argAddress.setDefault("127.0.0.1:19445");
argPriority.setDefault(800);
// parse all options
optionParser.parse(argc, const_cast<const char **>(argv));
// parse all options
optionParser.parse(argc, const_cast<const char **>(argv));
// check if we need to display the usage. exit if we do.
if (argHelp.isSet())
{
optionParser.usage();
return 0;
}
// check if we need to display the usage. exit if we do.
if (argHelp.isSet())
{
optionParser.usage();
return 0;
}
// Create the X11 grabbing stuff
X11Wrapper x11Wrapper(argCropWidth.getValue(), argCropHeight.getValue(), argSizeDecimation.getValue());
// Create the X11 grabbing stuff
X11Wrapper x11Wrapper(argCropWidth.getValue(), argCropHeight.getValue(), argSizeDecimation.getValue());
if (argScreenshot.isSet())
{
// Capture a single screenshot and finish
const Image<ColorRgb> & screenshot = x11Wrapper.getScreenshot();
saveScreenshot("screenshot.png", screenshot);
}
else
{
// Create the Proto-connection with hyperiond
ProtoWrapper protoWrapper(argAddress.getValue(), argSkipReply.isSet());
if (argScreenshot.isSet())
{
// Capture a single screenshot and finish
const Image<ColorRgb> & screenshot = x11Wrapper.getScreenshot();
saveScreenshot("screenshot.png", screenshot);
}
else
{
// Create the Proto-connection with hyperiond
ProtoConnectionWrapper protoWrapper(argAddress.getValue(), argPriority.getValue(), 1000, argSkipReply.isSet());
// Connect the screen capturing to the proto processing
QObject::connect(&x11Wrapper, SIGNAL(sig_screenshot(const Image<ColorRgb> &)), &protoWrapper, SLOT(process(Image<ColorRgb>)));
// Connect the screen capturing to the proto processing
QObject::connect(&x11Wrapper, SIGNAL(sig_screenshot(const Image<ColorRgb> &)), &protoWrapper, SLOT(process(Image<ColorRgb>)));
// Start the capturing
x11Wrapper.start();
// Start the capturing
x11Wrapper.start();
// Start the application
app.exec();
}
}
catch (const std::runtime_error & e)
{
// An error occured. Display error and quit
std::cerr << e.what() << std::endl;
return -1;
}
// Start the application
app.exec();
}
}
catch (const std::runtime_error & e)
{
// An error occured. Display error and quit
std::cerr << e.what() << std::endl;
return -1;
}
return 0;
return 0;
}