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