diff options
Diffstat (limited to 'src/v4l2/v4l2_camera_proxy.cpp')
| -rw-r--r-- | src/v4l2/v4l2_camera_proxy.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/v4l2/v4l2_camera_proxy.cpp b/src/v4l2/v4l2_camera_proxy.cpp index da117053..5ac8df4c 100644 --- a/src/v4l2/v4l2_camera_proxy.cpp +++ b/src/v4l2/v4l2_camera_proxy.cpp @@ -22,6 +22,8 @@ #include <libcamera/base/utils.h> #include <libcamera/camera.h> +#include <libcamera/control_ids.h> +#include <libcamera/controls.h> #include <libcamera/formats.h> #include "libcamera/internal/v4l2_pixelformat.h" @@ -33,6 +35,7 @@ #define KERNEL_VERSION(a, b, c) (((a) << 16) + ((b) << 8) + (c)) using namespace libcamera; +using namespace std::literals::chrono_literals; LOG_DECLARE_CATEGORY(V4L2Compat) @@ -755,6 +758,23 @@ int V4L2CameraProxy::vidioc_streamoff(V4L2CameraFile *file, int *arg) return ret; } +int V4L2CameraProxy::vidioc_s_parm(V4L2CameraFile *file, struct v4l2_streamparm *arg) +{ + LOG(V4L2Compat, Debug) + << "[" << file->description() << "] " << __func__ << "()"; + + if (!validateBufferType(arg->type)) + return -EINVAL; + + struct v4l2_fract *timeperframe = &arg->parm.capture.timeperframe; + utils::Duration frameDuration = 1.0s * timeperframe->numerator / timeperframe->denominator; + + int64_t uDuration = frameDuration.get<std::micro>(); + vcam_->controls().set(controls::FrameDurationLimits, { uDuration, uDuration }); + + return 0; +} + const std::set<unsigned long> V4L2CameraProxy::supportedIoctls_ = { VIDIOC_QUERYCAP, VIDIOC_ENUM_FRAMESIZES, @@ -775,6 +795,7 @@ const std::set<unsigned long> V4L2CameraProxy::supportedIoctls_ = { VIDIOC_EXPBUF, VIDIOC_STREAMON, VIDIOC_STREAMOFF, + VIDIOC_S_PARM, }; int V4L2CameraProxy::ioctl(V4L2CameraFile *file, unsigned long longRequest, void *arg) @@ -862,6 +883,9 @@ int V4L2CameraProxy::ioctl(V4L2CameraFile *file, unsigned long longRequest, void case VIDIOC_STREAMOFF: ret = vidioc_streamoff(file, static_cast<int *>(arg)); break; + case VIDIOC_S_PARM: + ret = vidioc_s_parm(file, static_cast<struct v4l2_streamparm *>(arg)); + break; default: ret = -ENOTTY; break; |