diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-03-13 22:58:52 +0200 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-04-15 01:07:37 +0300 |
| commit | ad0e1954117fe4a9f3758409b6ee9c1662961384 (patch) | |
| tree | 2b02c5519e8d2b285e6b39b80198d2d357a779d7 | |
| parent | 49a35da2ceaee33a296f9e30b1cf784a656e0224 (diff) | |
libcamera: v4l2_videodevice: Expose the device capabilities
Add a caps() function that exposes the V4L2 capabilities for the device.
This is useful for generic code that can't hardcode any a priori
knowledge of the device, such as in a simple pipeline handler.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
| -rw-r--r-- | src/libcamera/include/v4l2_videodevice.h | 2 | ||||
| -rw-r--r-- | src/libcamera/v4l2_videodevice.cpp | 6 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/libcamera/include/v4l2_videodevice.h b/src/libcamera/include/v4l2_videodevice.h index 7d7c4a9e..f21b9264 100644 --- a/src/libcamera/include/v4l2_videodevice.h +++ b/src/libcamera/include/v4l2_videodevice.h @@ -205,6 +205,8 @@ public: const char *deviceName() const { return caps_.card(); } const char *busName() const { return caps_.bus_info(); } + const V4L2Capability &caps() const { return caps_; } + int getFormat(V4L2DeviceFormat *format); int setFormat(V4L2DeviceFormat *format); std::map<V4L2PixelFormat, std::vector<SizeRange>> formats(); diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp index eb33a68e..e764268e 100644 --- a/src/libcamera/v4l2_videodevice.cpp +++ b/src/libcamera/v4l2_videodevice.cpp @@ -759,6 +759,12 @@ void V4L2VideoDevice::close() * \return The string containing the device location */ +/** + * \fn V4L2VideoDevice::caps() + * \brief Retrieve the device V4L2 capabilities + * \return The device V4L2 capabilities + */ + std::string V4L2VideoDevice::logPrefix() const { return deviceNode() + (V4L2_TYPE_IS_OUTPUT(bufferType_) ? "[out]" : "[cap]"); |