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master
libraries/AP_HAL_Linux/CameraSensor.cpp
51 строка
1 KB
Lucas De Marchi
AP_HAL_Linux: add O_CLOEXEC in places missing it
07 ноя 2016, 18:37
07 ноя 2016, 18:37
490841a
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/* This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "CameraSensor.h" #include <errno.h> #include <fcntl.h> #include <linux/v4l2-subdev.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/ioctl.h> #include <unistd.h> using namespace Linux; bool CameraSensor::set_format(uint32_t width, uint32_t height, uint32_t format) { struct v4l2_subdev_format fmt; int ret, fd; fd = open(_device_path, O_RDWR | O_CLOEXEC); if (fd < 0) { return false; } memset(&fmt, 0, sizeof(fmt)); fmt.pad = 0; fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; fmt.format.width = width; fmt.format.height = height; fmt.format.code = format; ret = ioctl(fd, VIDIOC_SUBDEV_S_FMT, &fmt); if (ret < 0) { return false; } return true; }