diff options
| -rw-r--r-- | src/libcamera/pipeline/ipu3/ipu3.cpp | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/src/libcamera/pipeline/ipu3/ipu3.cpp b/src/libcamera/pipeline/ipu3/ipu3.cpp index a7be2c54..00da2bb2 100644 --- a/src/libcamera/pipeline/ipu3/ipu3.cpp +++ b/src/libcamera/pipeline/ipu3/ipu3.cpp @@ -889,6 +889,7 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data) return ret; ControlInfoMap::Map controls = IPU3Controls; + const ControlInfoMap &sensorControls = sensor->controls(); /* * Compute exposure time limits. @@ -900,7 +901,6 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data) */ double lineDuration = sensorInfo.lineLength / (sensorInfo.pixelRate / 1e6); - const ControlInfoMap &sensorControls = sensor->controls(); const ControlInfo &v4l2Exposure = sensorControls.find(V4L2_CID_EXPOSURE)->second; int32_t minExposure = v4l2Exposure.min().get<int32_t>() * lineDuration; int32_t maxExposure = v4l2Exposure.max().get<int32_t>() * lineDuration; @@ -916,6 +916,33 @@ int PipelineHandlerIPU3::initControls(IPU3CameraData *data) defExposure); /* + * Compute the frame duration limits. + * + * The frame length is computed assuming a fixed line length combined + * with the vertical frame sizes. + */ + const ControlInfo &v4l2HBlank = sensorControls.find(V4L2_CID_HBLANK)->second; + uint32_t hblank = v4l2HBlank.def().get<int32_t>(); + uint32_t lineLength = sensorInfo.outputSize.width + hblank; + + const ControlInfo &v4l2VBlank = sensorControls.find(V4L2_CID_VBLANK)->second; + std::array<uint32_t, 3> frameHeights{ + v4l2VBlank.min().get<int32_t>() + sensorInfo.outputSize.height, + v4l2VBlank.max().get<int32_t>() + sensorInfo.outputSize.height, + v4l2VBlank.def().get<int32_t>() + sensorInfo.outputSize.height, + }; + + std::array<int64_t, 3> frameDurations; + for (unsigned int i = 0; i < frameHeights.size(); ++i) { + uint64_t frameSize = lineLength * frameHeights[i]; + frameDurations[i] = frameSize / (sensorInfo.pixelRate / 1000000U); + } + + controls[&controls::FrameDurations] = ControlInfo(frameDurations[0], + frameDurations[1], + frameDurations[2]); + + /* * Compute the scaler crop limits. * * Initialize the control use the 'Viewfinder' configuration (1280x720) |