diff options
| -rw-r--r-- | src/libcamera/pipeline/rkisp1/rkisp1_path.cpp | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/libcamera/pipeline/rkisp1/rkisp1_path.cpp b/src/libcamera/pipeline/rkisp1/rkisp1_path.cpp index 5079b268..0f728cea 100644 --- a/src/libcamera/pipeline/rkisp1/rkisp1_path.cpp +++ b/src/libcamera/pipeline/rkisp1/rkisp1_path.cpp @@ -314,7 +314,18 @@ int RkISP1Path::configure(const StreamConfiguration &config, if (ret < 0) return ret; - Rectangle rect(0, 0, ispFormat.size); + /* + * Crop on the resizer input to maintain FOV before downscaling. + * + * \todo The alignment to a multiple of 2 pixels is required but may + * change the aspect ratio very slightly. A more advanced algorithm to + * compute the resizer input crop rectangle is needed, and it should + * also take into account the need to crop away the edge pixels affected + * by the ISP processing blocks. + */ + Size ispCrop = inputFormat.size.boundedToAspectRatio(config.size) + .alignedUpTo(2, 2); + Rectangle rect = ispCrop.centeredTo(Rectangle(inputFormat.size).center()); ret = resizer_->setSelection(0, V4L2_SEL_TGT_CROP, &rect); if (ret < 0) return ret; |