cam: file_sink: Add support for DNG output

Add support for outputting buffers in DNG format. It reuses the DNG
writer that we had previously in qcam.

Signed-off-by: Paul Elder <paul.elder@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/src/cam/main.cpp b/src/cam/main.cpp
index 53c2ffde..c4e18a13 100644
--- a/src/cam/main.cpp
+++ b/src/cam/main.cpp
@@ -144,6 +144,8 @@ int CamApp::parseOptions(int argc, char *argv[])
 			 "to write files, using the default file name. Otherwise it sets the\n"
 			 "full file path and name. The first '#' character in the file name\n"
 			 "is expanded to the camera index, stream name and frame sequence number.\n"
+			 "If the file name ends with '.dng', then the frame will be written to\n"
+			 "the output file(s) in DNG format.\n"
 			 "The default file name is 'frame-#.bin'.",
 			 "file", ArgumentOptional, "filename", false,
 			 OptCamera);