diff options
author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2019-10-13 22:22:04 +0300 |
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committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2019-10-15 16:49:55 +0300 |
commit | f391048a7b987a149d0ba5421846b9b5ab916338 (patch) | |
tree | de82297ab5c83cc530d51bd9e76040f6d0b909f3 /src/libcamera/v4l2_subdevice.cpp | |
parent | ce739e616c42105e5c6f22bf4df5dc19b5e8c8f9 (diff) |
libcamera: utils: Add hex stream output helper
Add a utils::hex() function that simplifies writing hexadecimal values
to an ostream. The function handles the '0x' prefix, the field width and
the fill character automatically. Use it through the libcamera code
base, and add a test.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Diffstat (limited to 'src/libcamera/v4l2_subdevice.cpp')
-rw-r--r-- | src/libcamera/v4l2_subdevice.cpp | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/libcamera/v4l2_subdevice.cpp b/src/libcamera/v4l2_subdevice.cpp index a188298d..f2bcd7f7 100644 --- a/src/libcamera/v4l2_subdevice.cpp +++ b/src/libcamera/v4l2_subdevice.cpp @@ -21,6 +21,7 @@ #include "log.h" #include "media_device.h" #include "media_object.h" +#include "utils.h" /** * \file v4l2_subdevice.h @@ -76,10 +77,7 @@ LOG_DECLARE_CATEGORY(V4L2) const std::string V4L2SubdeviceFormat::toString() const { std::stringstream ss; - - ss.fill(0); - ss << size.toString() << "-0x" << std::hex << std::setw(4) << mbus_code; - + ss << size.toString() << "-" << utils::hex(mbus_code, 4); return ss.str(); } |