diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2021-10-08 13:15:56 +0300 |
|---|---|---|
| committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2021-10-19 13:14:54 +0300 |
| commit | 5b39dc6d9bf61c23e743dd97d527c1eb2bd41aee (patch) | |
| tree | b3e98e526c262ed7e760ec1465d577f1325e2281 /src/libcamera/v4l2_videodevice.cpp | |
| parent | 3b07397f0e7d93d54535d9c87e7b9c19d04c97f0 (diff) | |
libcamera: v4l2_videodevice: Improve debugging when buffer is too small
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>
Diffstat (limited to 'src/libcamera/v4l2_videodevice.cpp')
| -rw-r--r-- | src/libcamera/v4l2_videodevice.cpp | 14 |
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) { /* |