diff options
| -rw-r--r-- | src/libcamera/pipeline/raspberrypi/rpi_stream.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp b/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp index b3265d0e..bab80d25 100644 --- a/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp +++ b/src/libcamera/pipeline/raspberrypi/rpi_stream.cpp @@ -107,6 +107,17 @@ int Stream::prepareBuffers(unsigned int count) count = bufferMap_.size(); } + /* + * 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. + * + * \todo Find a better heuristic, or, even better, an exact solution to + * this issue. + */ + if (isExternal()) + count = count * 2; + return dev_->importBuffers(count); } |