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2024-01-23gstreamer: Add meson devenv supportNicolas Dufresne
This change to the build system will prepend the plugin build directory to GST_PLUGIN_PATH environment. This makes the built plugin visible to GStreamer inside meson devenv enabling uninstalled testing. In order to avoid polluting the user registry, the GST_REGISTRY environment is also set. 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> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
2023-07-07meson: Fix space around colon issuesLaurent Pinchart
The meson style, which libcamera follows, recommends a space before colons in function parameters. Fix the style violations through the project. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
2023-06-28gstreamer: Drop libcamera_private dependencyUmang Jain
Drop libcamera_private dependency entirely as to avoid libcamerasrc getting more dependent on it. In order to achieve that, one of the mutex locks in GstLibcameraSrcState needs to be replaced with GMutex. However doing so, this won't let us to use the clang's thread annotation macros in libcamera (which should be fine as libcamerasrc would move out of libcamera repo once matured). Signed-off-by: Umang Jain <umang.jain@ideasonboard.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
2022-08-16libcamera: base: Make message.h and mutex.h privateLaurent Pinchart
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>
2021-06-25libcamera: rename public libcamera dependencyKieran Bingham
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>
2021-05-31gst: Fix compilation warning with GLib >= 2.62Laurent Pinchart
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>
2021-03-28meson: Summarize which applications and adaptation layers are builtLaurent Pinchart
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>
2021-03-23meson: Use subdir_done() to reduce indentationLaurent Pinchart
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>
2021-02-11meson: Fix coding style when declaring arraysLaurent Pinchart
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>
2020-05-13licenses: License all meson files under CC0-1.0Laurent Pinchart
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>
2020-03-07gst: Fix GLib detectionLaurent Pinchart
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>
2020-03-07gst: Turn the top-level plugin file gstlibcamera.c into a C++ fileLaurent Pinchart
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>
2020-03-07gst: Add a pool and an allocator implementationNicolas Dufresne
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>
2020-03-07gst: Add pads to the sourceNicolas Dufresne
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>
2020-03-07gst: Add initial device providerNicolas Dufresne
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>
2020-03-07gst: Add utility to convert StreamFormats to GstCapsNicolas Dufresne
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>
2020-03-07Add GStreamer plugin and element skeletonNicolas Dufresne
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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