From 689e8916caf11942286a1f1264e55dcb709d3939 Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Fri, 12 Jul 2019 22:32:01 +0300 Subject: libcamera: buffer: Add an accessor to the BufferMemory MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Buffer instances reference memory, which is modelled internally by a BufferMemory instance. Store a pointer to the BufferMemory in the Buffer class, and populate it when the buffer is queued to the camera through a request. This is useful for applications to access the buffer memory in the buffer or request completion handler. Signed-off-by: Laurent Pinchart Reviewed-by: Niklas Söderlund --- src/cam/buffer_writer.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/cam/buffer_writer.cpp') diff --git a/src/cam/buffer_writer.cpp b/src/cam/buffer_writer.cpp index b7f2ed4f..1c044b06 100644 --- a/src/cam/buffer_writer.cpp +++ b/src/cam/buffer_writer.cpp @@ -19,8 +19,7 @@ BufferWriter::BufferWriter(const std::string &pattern) { } -int BufferWriter::write(libcamera::Buffer *buffer, libcamera::BufferMemory *mem, - const std::string &streamName) +int BufferWriter::write(libcamera::Buffer *buffer, const std::string &streamName) { std::string filename; size_t pos; @@ -41,6 +40,7 @@ int BufferWriter::write(libcamera::Buffer *buffer, libcamera::BufferMemory *mem, if (fd == -1) return -errno; + libcamera::BufferMemory *mem = buffer->mem(); for (libcamera::Plane &plane : mem->planes()) { void *data = plane.mem(); unsigned int length = plane.length(); -- cgit v1.2.1