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Add further support to the pixel format convertor to allow ARGB, RGBA,
and ABGR formats to be displayed in qcam.
Blank lines are added between the sections for NV, RGB, YUV, and MJPEG
configurations.
The implementation of the RGB conversions are highly inefficient, and
where possible should be extended to use hardware accelerations such as
OpenGL, or in the event that the input format is identical (or
compatible) with the output format - a more optimised memcpy should be
implemented.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Use DRM FourCC values for the newly defined PixelFormat.
Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add support for some NV formats:
- V4L2_PIX_FMT_NV12, V4L2_PIX_FMT_NV21
- V4L2_PIX_FMT_NV16, V4L2_PIX_FMT_NV61
- V4L2_PIX_FMT_NV24, V4L2_PIX_FMT_NV42
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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It is not sustainable to add a new flag for every new video format
family (eg. YUYV, RGB, NV, MJPEG, etc), so add a formatFamily enum to
indicate these in the FormatConverter.
Note that formats are grouped into families based on if they are able to
share a set of parameters for conversion.
Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add support for the RGB format supported by VIMC (V4L2_PIX_FMT_BGR24,
V4L2_PIX_FMT_RGB24 and V4L2_PIX_FMT_ARGB32).
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
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When the camera provides MJPEG, use the QImage JPEG decompression code
to convert that to RGB.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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qcam is a sample camera GUI application based on Qt. It demonstrates
integration of the Qt event loop with libcamera.
The application lets the user select a camera through the GUI, and then
captures a single stream from the camera and displays it in a window.
Only streams in YUYV formats are supported for now.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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