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The python3-yaml package (containing the PyYAML Python package) shipped
by Debian stable is documented as a YAML 1.1 parser:
Python3-yaml is a complete YAML 1.1 parser and emitter for Python3.
PyYAML doesn't implement YAML 1.2 support, but ignores the minor number
of the YAML directive, and thus doesn't choke on the libcamera internal
files used to generate format- and control-related source code that
explicitly state conformance with YAML 1.2. Still, given that we don't
use any feature of YAML 1.2, and that the tuning data files now use YAML
1.1, switch the internal YAML files to version 1.1 as well for
consistency.
The main drawback of YAML 1.1 is that the unquoted literal strings Yes,
No, On and Off will be parsed as booleans. We need to be careful to
avoid those values in YAML files, until libcamera can switch to YAML 1.2
once more recent versions of libyaml get shipped by the distributions we
want to support. This is however not an issue introduced by this change,
as the existing YAML 1.2 files were parsed with the YAML 1.1 string
literal parsing rules anyway.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Florian Sylvestre <fsylvestre@baylibre.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add missing 32-bit packet YUV 4:4:4 formats. These formats are used by
the i.MX8 ISI driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Tested-by: Jacopo Mondi <jacopo@jmondi.org>
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Extend planar YUV format support with 4:4:4 formats. Those formats are
used by the i.MX8 ISI driver that will be supported by the simple
pipeline handler.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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The YVU422 pixel format is defined in both DRM and V4L2. libcamera
already supports YUV422, add support for the opposite chroma order.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
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This new formats corresponds to the V4L2 V4L2_PIX_FMT_Y10P format, and is a
CSI2-packed version of the DRM_FORMAT_R10 format.
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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These new formats corresponds to the V4L2 V4L2_PIX_FMT_Y10 and
V4L2_PIX_FMT_Y12 formats, and are the little-endian version of the
DRM_FORMAT_R10 and DRM_FORMAT_R12 formats.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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This new format corresponds to the V4L2 V4L2_PIX_FMT_RGB565X format, and
is the big-endian version of the DRM_FORMAT_RGB565 format.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
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Add support for 16-bit Bayer formats.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add support for RGB565 format.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Add support for planar YVU420.
Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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These formats can be helpful when downstream applications or libraries
support them natively (avoiding a costly conversion).
Signed-off-by: David Plowman <david.plowman@raspberrypi.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: David Plowman <david.plowman@raspberrypi.com>
Tested-by: David Plowman <david.plowman@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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libcamera uses pixel format FourCC and modifier values from DRM. This
requires inclusion of drm_fourcc.h, creating a dependency on a header
that is packaged differently between distributions, and causing possible
issues with third-party applications.
Define constants for the supported pixel formats in the new formats.h
public API header, in order to remove the dependency on drm_fourcc.h.
The header is generated by a Python script from a list of supported
formats. The numerical values for the FourCC and modifier are extracted
from drm_fourcc.h by the script, ensuring that numerical values are not
inadvertently modified and preserving the direct interoperability.
The pixel formats constants can't be generated solely from drm_fourcc.h,
as that header defines FourCC values and modifier values, but doesn't
list the valid combinations. The supported formats are thus stored in a
YAML file, which contains the FourCC and optional modifier for each
supported format. We may later extend the YAML file to include formats
documentation, and possibly formats metadata to populate the
pixelFormatInfo map (in formats.cpp) automatically.
Now that two formats.h header are present (one in include/libcamera/ and
one in include/libcamera/internal/), we need to explicitly qualify the
Doxygen \file directive with a path.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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