Details coming soon.

This commit is contained in:
Paulchen-Panther
2018-12-27 23:11:32 +01:00
parent e3be03ea73
commit d762aa2f3e
186 changed files with 6156 additions and 5444 deletions

View File

@@ -7,7 +7,7 @@
#include "grabber/DispmanxFrameGrabber.h"
DispmanxFrameGrabber::DispmanxFrameGrabber(const unsigned width, const unsigned height)
: Grabber("DISPMANXGRABBER", width, height)
: Grabber("DISPMANXGRABBER", 0, 0)
, _vc_display(0)
, _vc_resource(0)
, _vc_flags(0)
@@ -20,48 +20,60 @@ DispmanxFrameGrabber::DispmanxFrameGrabber(const unsigned width, const unsigned
// Initiase BCM
bcm_host_init();
{
// Check if the display can be opened and display the current resolution
// Open the connection to the display
_vc_display = vc_dispmanx_display_open(0);
assert(_vc_display > 0);
// Check if the display can be opened and display the current resolution
// Open the connection to the display
_vc_display = vc_dispmanx_display_open(0);
assert(_vc_display > 0);
// Obtain the display information
DISPMANX_MODEINFO_T vc_info;
int result = vc_dispmanx_display_get_info(_vc_display, &vc_info);
// Keep compiler happy in 'release' mode
(void)result;
assert(result == 0);
Info(_log, "Display opened with resolution: %dx%d", vc_info.width, vc_info.height);
// Obtain the display information
DISPMANX_MODEINFO_T vc_info;
int result = vc_dispmanx_display_get_info(_vc_display, &vc_info);
// Keep compiler happy in 'release' mode
(void)result;
assert(result == 0);
Info(_log, "Display opened with resolution: %dx%d", vc_info.width, vc_info.height);
// Close the displaye
vc_dispmanx_display_close(_vc_display);
}
// Close the displaye
vc_dispmanx_display_close(_vc_display);
// Create the resources for capturing image
uint32_t vc_nativeImageHandle;
_vc_resource = vc_dispmanx_resource_create(
VC_IMAGE_RGBA32,
width,
height,
&vc_nativeImageHandle);
assert(_vc_resource);
// Define the capture rectangle with the same size
vc_dispmanx_rect_set(&_rectangle, 0, 0, width, height);
// init the resource and capture rectangle
setWidthHeight(width, height);
}
DispmanxFrameGrabber::~DispmanxFrameGrabber()
{
delete[] _captureBuffer;
// Clean up resources
vc_dispmanx_resource_delete(_vc_resource);
freeResources();
// De-init BCM
bcm_host_deinit();
}
void DispmanxFrameGrabber::freeResources()
{
delete[] _captureBuffer;
// Clean up resources
vc_dispmanx_resource_delete(_vc_resource);
}
void DispmanxFrameGrabber::setWidthHeight(int width, int height)
{
if(_width != width || _height != height)
{
freeResources();
// Create the resources for capturing image
uint32_t vc_nativeImageHandle;
_vc_resource = vc_dispmanx_resource_create(
VC_IMAGE_RGBA32,
width,
height,
&vc_nativeImageHandle);
assert(_vc_resource);
// Define the capture rectangle with the same size
vc_dispmanx_rect_set(&_rectangle, 0, 0, width, height);
}
}
void DispmanxFrameGrabber::setFlags(const int vc_flags)
{
_vc_flags = vc_flags;
@@ -143,8 +155,8 @@ int DispmanxFrameGrabber::grabFrame(Image<ColorRgb> & image)
unsigned capturePitch = (_rectangle.width * sizeof(ColorRgba) + 63) & (~63);
// grab to temp buffer if image pitch isn't valid or if we are cropping
if (imagePitch != capturePitch
|| (unsigned)_rectangle.width != imageWidth
if (imagePitch != capturePitch
|| (unsigned)_rectangle.width != imageWidth
|| (unsigned)_rectangle.height != imageHeight)
{
// check if we need to resize the capture buffer