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implement dispmanx forwarding a a separate dispmanx wrapper

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implement forwarding for amlogic grabber


Former-commit-id: 8a793d24bd083f9eca07c34ec3b222f0e54b4426
This commit is contained in:
redpanther
2016-02-24 14:34:19 +01:00
parent ec67caf24e
commit 6bef43887b
12 changed files with 314 additions and 44 deletions
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9
libsrc/grabber/amlogic/AmlogicWrapper.cpp
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@@ -26,6 +26,7 @@ AmlogicWrapper::AmlogicWrapper(const unsigned grabWidth, const unsigned grabHeig
// Configure the timer to generate events every n milliseconds
_timer.setInterval(_updateInterval_ms);
_timer.setSingleShot(false);
_forward = _hyperion->getForwarder()->protoForwardingEnabled();
_processor->setSize(grabWidth, grabHeight);
@@ -55,8 +56,14 @@ void AmlogicWrapper::action()
return;
}
_processor->process(_image, _ledColors);
if ( _forward )
{
Image<ColorRgb> image_rgb;
_image.toRgb(image_rgb);
emit emitImage(_priority, image_rgb, _timeout_ms);
}
_processor->process(_image, _ledColors);
_hyperion->setColors(_priority, _ledColors, _timeout_ms);
}

81
libsrc/grabber/dispmanx/CMakeLists.txt
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@@ -1,40 +1,41 @@
# Find the BCM-package (VC control)
find_package(BCM REQUIRED)
include_directories(${BCM_INCLUDE_DIRS})
# Define the current source locations
SET(CURRENT_HEADER_DIR ${CMAKE_SOURCE_DIR}/include/grabber)
SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/grabber/dispmanx)
# Group the headers that go through the MOC compiler
SET(DispmanxGrabberQT_HEADERS
${CURRENT_HEADER_DIR}/DispmanxWrapper.h
)
SET(DispmanxGrabberHEADERS
${CURRENT_SOURCE_DIR}/DispmanxFrameGrabber.h
)
SET(DispmanxGrabberSOURCES
${CURRENT_SOURCE_DIR}/DispmanxWrapper.cpp
${CURRENT_SOURCE_DIR}/DispmanxFrameGrabber.cpp
)
if(ENABLE_QT5)
QT5_WRAP_CPP(DispmanxGrabberHEADERS_MOC ${DispmanxGrabberQT_HEADERS})
else(ENABLE_QT5)
QT4_WRAP_CPP(DispmanxGrabberHEADERS_MOC ${DispmanxGrabberQT_HEADERS})
endif(ENABLE_QT5)
add_library(dispmanx-grabber
${DispmanxGrabberHEADERS}
${DispmanxGrabberQT_HEADERS}
${DispmanxGrabberHEADERS_MOC}
${DispmanxGrabberSOURCES}
)
target_link_libraries(dispmanx-grabber
hyperion
${QT_LIBRARIES}
${BCM_LIBRARIES})
# Find the BCM-package (VC control)
find_package(BCM REQUIRED)
include_directories(${BCM_INCLUDE_DIRS})
# Define the current source locations
SET(CURRENT_HEADER_DIR ${CMAKE_SOURCE_DIR}/include/grabber)
SET(CURRENT_SOURCE_DIR ${CMAKE_SOURCE_DIR}/libsrc/grabber/dispmanx)
# Group the headers that go through the MOC compiler
SET(DispmanxGrabberQT_HEADERS
${CURRENT_HEADER_DIR}/DispmanxWrapper.h
)
SET(DispmanxGrabberHEADERS
${CURRENT_HEADER_DIR}/DispmanxFrameGrabber.h
)
SET(DispmanxGrabberSOURCES
${CURRENT_SOURCE_DIR}/DispmanxWrapper.cpp
${CURRENT_SOURCE_DIR}/DispmanxFrameGrabber.cpp
)
if(ENABLE_QT5)
QT5_WRAP_CPP(DispmanxGrabberHEADERS_MOC ${DispmanxGrabberQT_HEADERS})
else(ENABLE_QT5)
QT4_WRAP_CPP(DispmanxGrabberHEADERS_MOC ${DispmanxGrabberQT_HEADERS})
endif(ENABLE_QT5)
add_library(dispmanx-grabber
${DispmanxGrabberHEADERS}
${DispmanxGrabberQT_HEADERS}
${DispmanxGrabberHEADERS_MOC}
${DispmanxGrabberSOURCES}
)
target_link_libraries(dispmanx-grabber
hyperion
${QT_LIBRARIES}
${BCM_LIBRARIES}
)

2
libsrc/grabber/dispmanx/DispmanxFrameGrabber.cpp
View File

@@ -4,7 +4,7 @@
#include <iostream>
// Local includes
#include "DispmanxFrameGrabber.h"
#include "grabber/DispmanxFrameGrabber.h"
DispmanxFrameGrabber::DispmanxFrameGrabber(const unsigned width, const unsigned height) :
_vc_display(0),

71
libsrc/grabber/dispmanx/DispmanxFrameGrabber.h
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@@ -1,71 +0,0 @@
#pragma once
// BCM includes
#pragma GCC system_header
#include <bcm_host.h>
// STL includes
#include <cstdint>
// Utils includes
#include <utils/Image.h>
#include <utils/ColorRgba.h>
#include <utils/VideoMode.h>
///
/// The DispmanxFrameGrabber is used for creating snapshots of the display (screenshots) with a
/// downsized and scaled resolution.
///
class DispmanxFrameGrabber
{
public:
///
/// Construct a DispmanxFrameGrabber that will capture snapshots with specified dimensions.
///
/// @param[in] width The width of the captured screenshot
/// @param[in] height The heigth of the captured screenshot
///
DispmanxFrameGrabber(const unsigned width, const unsigned height);
~DispmanxFrameGrabber();
///
/// Updates the frame-grab flags as used by the VC library for frame grabbing
///
/// @param vc_flags The snapshot grabbing mask
///
void setFlags(const int vc_flags);
///
/// Set the video mode (2D/3D)
/// @param[in] mode The new video mode
///
void setVideoMode(const VideoMode videoMode);
///
/// Captures a single snapshot of the display and writes the data to the given image. The
/// provided image should have the same dimensions as the configured values (_width and
/// _height)
///
/// @param[out] image The snapped screenshot (should be initialized with correct width and
/// height)
///
void grabFrame(Image<ColorRgba> & image);
private:
/// Handle to the display that is being captured
DISPMANX_DISPLAY_HANDLE_T _vc_display;
/// Handle to the resource for storing the captured snapshot
DISPMANX_RESOURCE_HANDLE_T _vc_resource;
/// Rectangle of the captured resource that is transfered to user space
VC_RECT_T _rectangle;
/// Flags (transforms) for creating snapshots
int _vc_flags;
/// With of the captured snapshot [pixels]
const unsigned _width;
/// Height of the captured snapshot [pixels]
const unsigned _height;
};

10
libsrc/grabber/dispmanx/DispmanxWrapper.cpp
View File

@@ -9,7 +9,7 @@
// Dispmanx grabber includes
#include <grabber/DispmanxWrapper.h>
#include "DispmanxFrameGrabber.h"
#include <grabber/DispmanxFrameGrabber.h>
DispmanxWrapper::DispmanxWrapper(const unsigned grabWidth, const unsigned grabHeight, const unsigned updateRate_Hz, Hyperion * hyperion) :
@@ -28,6 +28,7 @@ DispmanxWrapper::DispmanxWrapper(const unsigned grabWidth, const unsigned grabHe
_timer.setSingleShot(false);
_processor->setSize(grabWidth, grabHeight);
_forward = _hyperion->getForwarder()->protoForwardingEnabled();
// Connect the QTimer to this
QObject::connect(&_timer, SIGNAL(timeout()), this, SLOT(action()));
@@ -51,7 +52,12 @@ void DispmanxWrapper::action()
// Grab frame into the allocated image
_frameGrabber->grabFrame(_image);
//emit emitImage(_priority, _image, _timeout_ms);
if ( _forward )
{
Image<ColorRgb> image_rgb;
_image.toRgb(image_rgb);
emit emitImage(_priority, image_rgb, _timeout_ms);
}
_processor->process(_image, _ledColors);
_hyperion->setColors(_priority, _ledColors, _timeout_ms);