diff options
| -rw-r--r-- | src/libcamera/pipeline/raspberrypi/raspberrypi.cpp | 8 | ||||
| -rw-r--r-- | src/libcamera/pipeline/raspberrypi/rpi_stream.cpp | 3 |
2 files changed, 10 insertions, 1 deletions
diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp index 38bbb8be..f920c8de 100644 --- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp +++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp @@ -1391,6 +1391,14 @@ int PipelineHandlerRPi::prepareBuffers(Camera *camera) * minimise frame drops. */ numBuffers = std::max<int>(2, minBuffers - numRawBuffers); + } else if (stream == &data->isp_[Isp::Input]) { + /* + * ISP input buffers are imported from Unicam, so follow + * similar logic as above to count all the RAW buffers + * available. + */ + numBuffers = numRawBuffers + std::max<int>(2, minBuffers - numRawBuffers); + } else if (stream == &data->unicam_[Unicam::Embedded]) { /* * Embedded data buffers are (currently) for internal use, diff --git a/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp b/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp index a4159e20..a421ad09 100644 --- a/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp +++ b/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp @@ -111,11 +111,12 @@ int Stream::prepareBuffers(unsigned int count) * If this is an external stream, we must allocate slots for buffers that * might be externally allocated. We have no indication of how many buffers * may be used, so this might overallocate slots in the buffer cache. + * Similarly, if this stream is only importing buffers, we do the same. * * \todo Find a better heuristic, or, even better, an exact solution to * this issue. */ - if (isExternal()) + if (isExternal() || importOnly_) count = count * 2; return dev_->importBuffers(count); |