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-rw-r--r--src/libcamera/buffer.cpp37
1 files changed, 14 insertions, 23 deletions
diff --git a/src/libcamera/buffer.cpp b/src/libcamera/buffer.cpp
index d040ac9a..a094737d 100644
--- a/src/libcamera/buffer.cpp
+++ b/src/libcamera/buffer.cpp
@@ -261,32 +261,23 @@ int FrameBuffer::copyFrom(const FrameBuffer *src)
}
}
- for (unsigned int i = 0; i < planes_.size(); i++) {
- void *dstmem = mmap(nullptr, planes_[i].length, PROT_WRITE,
- MAP_SHARED, planes_[i].fd.fd(), 0);
+ MappedFrameBuffer source(src, PROT_READ);
+ MappedFrameBuffer destination(this, PROT_WRITE);
- if (dstmem == MAP_FAILED) {
- LOG(Buffer, Error)
- << "Failed to map destination plane " << i;
- metadata_.status = FrameMetadata::FrameError;
- return -EINVAL;
- }
-
- void *srcmem = mmap(nullptr, src->planes_[i].length, PROT_READ,
- MAP_SHARED, src->planes_[i].fd.fd(), 0);
-
- if (srcmem == MAP_FAILED) {
- munmap(dstmem, planes_[i].length);
- LOG(Buffer, Error)
- << "Failed to map source plane " << i;
- metadata_.status = FrameMetadata::FrameError;
- return -EINVAL;
- }
+ if (!source.isValid()) {
+ LOG(Buffer, Error) << "Failed to map source planes";
+ return -EINVAL;
+ }
- memcpy(dstmem, srcmem, src->planes_[i].length);
+ if (!destination.isValid()) {
+ LOG(Buffer, Error) << "Failed to map destination planes";
+ return -EINVAL;
+ }
- munmap(srcmem, src->planes_[i].length);
- munmap(dstmem, planes_[i].length);
+ for (unsigned int i = 0; i < planes_.size(); i++) {
+ memcpy(destination.maps()[i].data(),
+ source.maps()[i].data(),
+ source.maps()[i].size());
}
metadata_ = src->metadata_;