From 987bd370b0aa1778271fdac39a04ab35adfffb3a Mon Sep 17 00:00:00 2001 From: Jacopo Mondi Date: Mon, 21 Jan 2019 16:50:05 +0100 Subject: libcamera: v4l2_device: Identify multiplanar formats MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add functions to V4L2Capability to identify if a V4L2 device supports multiplanar V4L2 APIs. Reviewed-by: Niklas Söderlund Signed-off-by: Jacopo Mondi --- src/libcamera/include/v4l2_device.h | 23 +++++++++++++++++++---- src/libcamera/v4l2_device.cpp | 6 ++++++ 2 files changed, 25 insertions(+), 4 deletions(-) diff --git a/src/libcamera/include/v4l2_device.h b/src/libcamera/include/v4l2_device.h index cb3601ca..413bb7fd 100644 --- a/src/libcamera/include/v4l2_device.h +++ b/src/libcamera/include/v4l2_device.h @@ -32,10 +32,25 @@ struct V4L2Capability final : v4l2_capability { ? v4l2_capability::device_caps : v4l2_capability::capabilities; } - - bool isCapture() const { return device_caps() & V4L2_CAP_VIDEO_CAPTURE; } - bool isOutput() const { return device_caps() & V4L2_CAP_VIDEO_OUTPUT; } - bool hasStreaming() const { return device_caps() & V4L2_CAP_STREAMING; } + bool isMultiplanar() const + { + return device_caps() & (V4L2_CAP_VIDEO_CAPTURE_MPLANE | + V4L2_CAP_VIDEO_OUTPUT_MPLANE); + } + bool isCapture() const + { + return device_caps() & (V4L2_CAP_VIDEO_CAPTURE | + V4L2_CAP_VIDEO_CAPTURE_MPLANE); + } + bool isOutput() const + { + return device_caps() & (V4L2_CAP_VIDEO_OUTPUT | + V4L2_CAP_VIDEO_OUTPUT_MPLANE); + } + bool hasStreaming() const + { + return device_caps() & V4L2_CAP_STREAMING; + } }; class MediaEntity; diff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp index 0ce2b187..9cb504d2 100644 --- a/src/libcamera/v4l2_device.cpp +++ b/src/libcamera/v4l2_device.cpp @@ -56,6 +56,12 @@ LOG_DEFINE_CATEGORY(V4L2) * driver capabilities otherwise */ +/** + * \fn bool V4L2Capability::isMultiplanar() + * \brief Identify if the device implement V4L2 multiplanar APIs + * \return True if the device supports multiplanar APIs + */ + /** * \fn bool V4L2Capability::isCapture() * \brief Identify if the device is capable of capturing video -- cgit v1.2.1