diff options
Diffstat (limited to 'src/cam/buffer_writer.cpp')
| -rw-r--r-- | src/cam/buffer_writer.cpp | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/cam/buffer_writer.cpp b/src/cam/buffer_writer.cpp index c33e99c5..765a1762 100644 --- a/src/cam/buffer_writer.cpp +++ b/src/cam/buffer_writer.cpp @@ -10,6 +10,7 @@ #include <iostream> #include <sstream> #include <string.h> +#include <sys/mman.h> #include <unistd.h> #include "buffer_writer.h" @@ -43,9 +44,11 @@ int BufferWriter::write(Buffer *buffer, const std::string &streamName) return -errno; BufferMemory *mem = buffer->mem(); - for (Plane &plane : mem->planes()) { - void *data = plane.mem(); - unsigned int length = plane.length(); + for (const FrameBuffer::Plane &plane : mem->planes()) { + /* \todo Once the FrameBuffer is done cache mapped memory. */ + void *data = mmap(NULL, plane.length, PROT_READ, MAP_SHARED, + plane.fd.fd(), 0); + unsigned int length = plane.length; ret = ::write(fd, data, length); if (ret < 0) { @@ -59,6 +62,8 @@ int BufferWriter::write(Buffer *buffer, const std::string &streamName) << length << std::endl; break; } + + munmap(data, length); } close(fd); |