diff options
Diffstat (limited to 'src/qcam/main_window.cpp')
| -rw-r--r-- | src/qcam/main_window.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/src/qcam/main_window.cpp b/src/qcam/main_window.cpp index 0c7ca61a..0a353e8b 100644 --- a/src/qcam/main_window.cpp +++ b/src/qcam/main_window.cpp @@ -8,6 +8,7 @@ #include <iomanip> #include <iostream> #include <string> +#include <sys/mman.h> #include <QCoreApplication> #include <QInputDialog> @@ -296,13 +297,18 @@ void MainWindow::requestComplete(Request *request) int MainWindow::display(Buffer *buffer) { - BufferMemory *mem = buffer->mem(); - if (mem->planes().size() != 1) + if (buffer->mem()->planes().size() != 1) return -EINVAL; - Plane &plane = mem->planes().front(); - unsigned char *raw = static_cast<unsigned char *>(plane.mem()); + /* \todo Once the FrameBuffer is done cache mapped memory. */ + const FrameBuffer::Plane &plane = buffer->mem()->planes().front(); + void *memory = mmap(NULL, plane.length, PROT_READ, MAP_SHARED, + plane.fd.fd(), 0); + + unsigned char *raw = static_cast<unsigned char *>(memory); viewfinder_->display(raw, buffer->bytesused()); + munmap(memory, plane.length); + return 0; } |