diff options
| -rw-r--r-- | src/libcamera/pipeline/uvcvideo/uvcvideo.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp index 5adc89fd..586e932d 100644 --- a/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp +++ b/src/libcamera/pipeline/uvcvideo/uvcvideo.cpp @@ -329,6 +329,8 @@ int PipelineHandlerUVC::processControl(const UVCCameraData *data, ControlList *c cid = V4L2_CID_EXPOSURE_ABSOLUTE; else if (id == controls::AnalogueGain) cid = V4L2_CID_GAIN; + else if (id == controls::Gamma) + cid = V4L2_CID_GAMMA; else return -EINVAL; @@ -394,6 +396,10 @@ int PipelineHandlerUVC::processControl(const UVCCameraData *data, ControlList *c break; } + case V4L2_CID_GAMMA: + controls->set(cid, static_cast<int32_t>(std::lround(value.get<float>() * 100))); + break; + default: { int32_t ivalue = value.get<int32_t>(); controls->set(cid, ivalue); @@ -691,6 +697,9 @@ void UVCCameraData::addControl(uint32_t cid, const ControlInfo &v4l2Info, case V4L2_CID_GAIN: id = &controls::AnalogueGain; break; + case V4L2_CID_GAMMA: + id = &controls::Gamma; + break; default: return; } @@ -845,6 +854,15 @@ void UVCCameraData::addControl(uint32_t cid, const ControlInfo &v4l2Info, break; } + case V4L2_CID_GAMMA: + /* UVC gamma is in units of 1/100 gamma. */ + info = ControlInfo{ + { min / 100.0f }, + { max / 100.0f }, + { def / 100.0f } + }; + break; + default: info = v4l2Info; break; |