diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libcamera/v4l2_videodevice.cpp | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp index 88535f5a..c6c9263c 100644 --- a/src/libcamera/v4l2_videodevice.cpp +++ b/src/libcamera/v4l2_videodevice.cpp @@ -1354,11 +1354,21 @@ std::unique_ptr<FrameBuffer> V4L2VideoDevice::createBuffer(unsigned int index) size_t offset = 0; for (size_t i = 0; i < planes.size(); ++i) { + /* + * The stride is reported by V4L2 for the first plane + * only. Compute the stride of the other planes by + * taking the horizontal subsampling factor into + * account, which is equal to the bytesPerGroup ratio of + * the planes. + */ + unsigned int stride = format_.planes[0].bpl + * formatInfo_->planes[i].bytesPerGroup + / formatInfo_->planes[0].bytesPerGroup; + planes[i].fd = fd; planes[i].offset = offset; - - /* \todo Take the V4L2 stride into account */ - planes[i].length = formatInfo_->planeSize(format_.size, i); + planes[i].length = formatInfo_->planeSize(format_.size.height, + i, stride); offset += planes[i].length; } } |