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-rw-r--r--src/libcamera/v4l2_videodevice.cpp14
1 files changed, 10 insertions, 4 deletions
diff --git a/src/libcamera/v4l2_videodevice.cpp b/src/libcamera/v4l2_videodevice.cpp
index ba5f88cd..2745e579 100644
--- a/src/libcamera/v4l2_videodevice.cpp
+++ b/src/libcamera/v4l2_videodevice.cpp
@@ -1713,19 +1713,25 @@ FrameBuffer *V4L2VideoDevice::dequeueBuffer()
unsigned int bytesused = multiPlanar ? planes[0].bytesused
: buf.bytesused;
+ unsigned int remaining = bytesused;
for (auto [i, plane] : utils::enumerate(buffer->planes())) {
- if (!bytesused) {
+ if (!remaining) {
LOG(V4L2, Error)
- << "Dequeued buffer is too small";
+ << "Dequeued buffer (" << bytesused
+ << " bytes) too small for plane lengths "
+ << utils::join(buffer->planes(), "/",
+ [](const FrameBuffer::Plane &p) {
+ return p.length;
+ });
metadata.status = FrameMetadata::FrameError;
return buffer;
}
metadata.planes()[i].bytesused =
- std::min(plane.length, bytesused);
- bytesused -= metadata.planes()[i].bytesused;
+ std::min(plane.length, remaining);
+ remaining -= metadata.planes()[i].bytesused;
}
} else if (multiPlanar) {
/*