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v4l2: Replace manual loop counters with utils::enumerate()

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Use the newly introduced utils::enumerate() to replace manual loop
counters. A local variable is needed, as utils::enumerate() requires an
lvalue reference.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2021-04-23 04:55:07 +03:00
parent ad38d9151b
commit 6aee488bfc
1 changed files with 5 additions and 6 deletions
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11
src/v4l2/v4l2_compat_manager.cpp
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@ -23,6 +23,7 @@
#include <libcamera/camera_manager.h>
#include "libcamera/internal/log.h"
#include "libcamera/internal/utils.h"
#include "v4l2_camera_file.h"
@ -81,11 +82,10 @@ int V4L2CompatManager::start()
* For each Camera registered in the system, a V4L2CameraProxy gets
* created here to wrap a camera device.
*/
unsigned int index = 0;
for (auto &camera : cm_->cameras()) {
auto cameras = cm_->cameras();
for (auto [index, camera] : utils::enumerate(cameras)) {
V4L2CameraProxy *proxy = new V4L2CameraProxy(index, camera);
proxies_.emplace_back(proxy);
++index;
}
return 0;
@ -117,11 +117,10 @@ int V4L2CompatManager::getCameraIndex(int fd)
if (!target)
return -1;
unsigned int index = 0;
for (auto &camera : cm_->cameras()) {
auto cameras = cm_->cameras();
for (auto [index, camera] : utils::enumerate(cameras)) {
if (camera == target)
return index;
++index;
}
return -1;