diff options
| -rw-r--r-- | src/libcamera/buffer.cpp | 37 |
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_; |