PawletOS/external_libcamera
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

libcamera: v4l2_videodevice: Improve debugging when buffer is too small

Browse Source 
When a dequeued buffer is too small, the condition is logged and an
error is returned. The logged message doesn't provide any information
about the sizes, making debugging more difficult. Improve it by logging
both the bytesused value and the length of each plane.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Laurent Pinchart
2021-10-08 13:15:56 +03:00
parent 3b07397f0e
commit 5b39dc6d9b
1 changed files with 10 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/libcamera/v4l2_videodevice.cpp
+10 -4
View File
@@ -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) {
/*