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The message.h and mutex.h headers are not used in the libcamera public
API. Make them private to avoid there usage in applications, and to
prevent having to maintain them with a stable ABI.
As mutex.h is used by libcamerasrc, the GStreamer element must switch
from the libcamera_public to the libcamera_private dependency.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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Now that we have a libcamera_private, make the public only dependency
libcamera_public so that it is clear which interface is being linked.
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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GLib 2.62 has deprecated g_memdup(), which is used inline in GStreamer's
gstbytereader.h header. This results in a compilation warning:
In file included from /usr/include/gstreamer-1.0/gst/base/base.h:35,
from ../../src/gstreamer/gstlibcamerasrc.cpp:39:
/usr/include/gstreamer-1.0/gst/base/gstbytereader.h: In function ‘guint8* gst_byte_reader_dup_data_unchecked(GstByteReader*, guint)’:
/usr/include/gstreamer-1.0/gst/base/gstbytereader.h:365:41: error: ‘void* g_memdup(gconstpointer, guint)’ is deprecated: Use 'g_memdup2' instead [-Werror=deprecated-declarations]
365 | return (guint8 *) g_memdup (data, size);
GLib has a mechanism to silence warnings introduced in newer versions,
to allow compilation without warnings on multiple versions of the
library. This is done by setting the GLIB_VERSION_MIN_REQUIRED macro to
the minimum GLib version required.
As we depend on GStreamer >= 1.14, set the minimum GLib version to 2.40.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
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Add the application and adaptation layers being built to the meson
summary. The summary now prints
libcamera 0.0.0
Configuration
Enabled pipelines: ipu3
raspberrypi
rkisp1
simple
uvcvideo
vimc
Android support: True
GStreamer support: True
V4L2 emulation support: True
cam application: True
qcam application: True
Unit tests: True
Subprojects
libyuv: YES
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
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Reduce the indentation in the gstreamer and qcam meson.build with
subdir_done(). This follows similar patterns in cam and v4l2.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
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The meson.build files mix array declarations with and without a space
after the opening and before the closing square bracket. The vast
majority of cases don't use spaces, so standardize on that.
While it it, fix indentation in a few places.
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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In an attempt to clarify the license terms of all files in the libcamera
project, the build system files deserve particular attention. While they
describe how the binaries are created, they are not themselves
transformed into any part of binary distributions of the software, and
thus don't influence the copyright on the binary packages. They are
however subject to copyright, and thus influence the distribution terms
of the source packages.
Most of the meson.build files would not meet the threshold of
originality criteria required for copyright protection. Some of the more
complex meson.build files may be eligible for copyright protection. To
avoid any ambiguity and uncertainty, state our intent to not assert
copyrights on the build system files by putting them in the public
domain with the CC0-1.0 license.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
Acked-by: Jacopo Mondi <jacopo@jmondi.org>
Acked-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Acked-by: Naushir Patuck <naush@raspberrypi.com>
Acked-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Acked-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Acked-by: Paul Elder <paul.elder@ideasonboard.com>
Acked-by: Show Liu <show.liu@linaro.org>
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Commit 17cccc68a88f ("Add GStreamer plugin and element skeleton") has
gained a last minute fix for a clang compilation error with GLib prior
to v2.63.0. The fix wasn't properly tested, and failed to check the GLib
dependency correctly. This resulted in compilation of the GStreamer
element to always be disabled.
Fix this by changing the GLib package name from 'glib' to 'glib-2.0'.
Fixes: 17cccc68a88f ("Add GStreamer plugin and element skeleton")
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
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The top-level plugin file gstlibcamera.c is the only C source file in
the whole libcamera GStreamer element. To avoid specifying both C and
C++ compiler arguments in the future, turn it into a C++ file.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
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This is needed to track the lifetime of the FrameBufferAllocator in relation to
the GstBuffer/GstMemory objects travelling inside GStreamer.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This simply adds the boiler plate for pads on the source element. The
design is that we have one pad, called "src", that will always be
present, and then more pads can be requested prior in READY or less
state. Initially pads have one property "stream-role" that let you
decide which role this pad will have.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This feature is used with GstDeviceMonitor in order to enumerate
and monitor devices to be used with the source element. The resulting
GstDevice implementation is also used by application to abstract the
configuration of the source element.
Implementation notes:
- libcamera does not support polling yet
- The device ID isn't unique in libcamera yet
- The "name" property does not yet exist in libcamerasrc yet
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This transforms the basic information found in StreamFormats to GstCaps.
This can be handy to reply to early caps query or inside a device
provider. Note that we ignored generated range as they are harmful to
caps negotiation. We also don't simplify the caps for readability
reasons, so some of the discrete value may be included in a range.
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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This implements the GStreamer plugin interface and adds libcamerasrc
element feature to it. This is just enough to allow plugin
introspection.
gst-inspect-1.0 build/src/gstreamer/libgstlibcamera.so
Plugin Details:
Name libcamera
Description libcamera capture plugin
Filename build/src/gstreamer/libgstlibcamera.so
Version 0.0.0+1042-6c9f16d3-dirty
License LGPL
Source module libcamera
Binary package libcamera
Origin URL https://libcamera.org
libcamerasrc: libcamera Source
1 features:
GST_PLUGIN_PATH=$(pwd)/build/src/gstreamer gst-inspect-1.0 libcamerasrc
Factory Details:
Rank primary (256)
Long-name libcamera Source
Klass Source/Video
Description Linux Camera source using libcamera
Author Nicolas Dufresne <nicolas.dufresne@collabora.com
Plugin Details:
Name libcamera
Description libcamera capture plugin
Filename /home/nicolas/Sources/libcamera/build/src/gstreamer/libgstlibcamera.so
Version 0.0.0+1042-6c9f16d3-dirty
License LGPL
Source module libcamera
Binary package libcamera
Origin URL https://libcamera.org
GObject
+----GInitiallyUnowned
+----GstObject
+----GstElement
+----GstLibcameraSrc
Pad Templates:
none
Element has no clocking capabilities.
Element has no URI handling capabilities.
Pads:
none
Element Properties:
name : The name of the object
flags: accès en lecture, accès en écriture, 0x2000
String. Default: "libcamerasrc0"
parent : The parent of the object
flags: accès en lecture, accès en écriture, 0x2000
Object of type "GstObject"
Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[Silence -Wunused-function warning for older GLib versions]
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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