Fix warnings in building with gcc4
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7b288456a7
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d99bc7bce5
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@ -146,7 +146,7 @@ struct device {
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<< strerror(errno);
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<< strerror(errno);
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}
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}
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v4l2_capability cap = {};
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v4l2_capability cap;
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if (xioctl(fd, VIDIOC_QUERYCAP, &cap) < 0) {
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if (xioctl(fd, VIDIOC_QUERYCAP, &cap) < 0) {
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if (errno == EINVAL)
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if (errno == EINVAL)
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throw_error() << dev_name << " is no V4L2 device";
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throw_error() << dev_name << " is no V4L2 device";
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@ -160,10 +160,10 @@ struct device {
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throw_error() << dev_name + " does not support streaming I/O";
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throw_error() << dev_name + " does not support streaming I/O";
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// Select video input, video standard and tune here.
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// Select video input, video standard and tune here.
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v4l2_cropcap cropcap = {};
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v4l2_cropcap cropcap;
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cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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cropcap.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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if (xioctl(fd, VIDIOC_CROPCAP, &cropcap) == 0) {
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if (xioctl(fd, VIDIOC_CROPCAP, &cropcap) == 0) {
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v4l2_crop crop = {};
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v4l2_crop crop;
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crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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crop.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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crop.c = cropcap.defrect; // reset to default
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crop.c = cropcap.defrect; // reset to default
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if (xioctl(fd, VIDIOC_S_CROP, &crop) < 0) {
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if (xioctl(fd, VIDIOC_S_CROP, &crop) < 0) {
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@ -188,7 +188,7 @@ struct device {
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bool pu_control_range(
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bool pu_control_range(
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uint32_t id, int32_t *min, int32_t *max, int32_t *def) const {
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uint32_t id, int32_t *min, int32_t *max, int32_t *def) const {
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struct v4l2_queryctrl query = {};
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struct v4l2_queryctrl query;
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query.id = id;
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query.id = id;
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if (xioctl(fd, VIDIOC_QUERYCTRL, &query) < 0) {
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if (xioctl(fd, VIDIOC_QUERYCTRL, &query) < 0) {
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LOG_ERROR(WARNING, "pu_control_range failed");
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LOG_ERROR(WARNING, "pu_control_range failed");
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@ -242,7 +242,7 @@ struct device {
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return;
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return;
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}
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}
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v4l2_format fmt = {};
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v4l2_format fmt;
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fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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fmt.fmt.pix.width = width;
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fmt.fmt.pix.width = width;
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fmt.fmt.pix.height = height;
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fmt.fmt.pix.height = height;
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@ -252,7 +252,7 @@ struct device {
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if (xioctl(fd, VIDIOC_S_FMT, &fmt) < 0)
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if (xioctl(fd, VIDIOC_S_FMT, &fmt) < 0)
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LOG_ERROR(FATAL, "VIDIOC_S_FMT");
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LOG_ERROR(FATAL, "VIDIOC_S_FMT");
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v4l2_streamparm parm = {};
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v4l2_streamparm parm;
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parm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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parm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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if (xioctl(fd, VIDIOC_G_PARM, &parm) < 0)
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if (xioctl(fd, VIDIOC_G_PARM, &parm) < 0)
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LOG_ERROR(FATAL, "VIDIOC_G_PARM");
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LOG_ERROR(FATAL, "VIDIOC_G_PARM");
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@ -262,7 +262,7 @@ struct device {
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LOG_ERROR(FATAL, "VIDIOC_S_PARM");
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LOG_ERROR(FATAL, "VIDIOC_S_PARM");
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// Init memory mapped IO
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// Init memory mapped IO
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v4l2_requestbuffers req = {};
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v4l2_requestbuffers req;
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req.count = 4;
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req.count = 4;
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req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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req.memory = V4L2_MEMORY_MMAP;
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req.memory = V4L2_MEMORY_MMAP;
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@ -278,7 +278,7 @@ struct device {
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buffers.resize(req.count);
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buffers.resize(req.count);
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for (size_t i = 0; i < buffers.size(); ++i) {
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for (size_t i = 0; i < buffers.size(); ++i) {
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v4l2_buffer buf = {};
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v4l2_buffer buf;
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buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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buf.memory = V4L2_MEMORY_MMAP;
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buf.memory = V4L2_MEMORY_MMAP;
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buf.index = i;
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buf.index = i;
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@ -295,7 +295,7 @@ struct device {
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// Start capturing
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// Start capturing
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for (size_t i = 0; i < buffers.size(); ++i) {
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for (size_t i = 0; i < buffers.size(); ++i) {
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v4l2_buffer buf = {};
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v4l2_buffer buf;
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buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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buf.memory = V4L2_MEMORY_MMAP;
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buf.memory = V4L2_MEMORY_MMAP;
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buf.index = i;
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buf.index = i;
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@ -330,7 +330,7 @@ struct device {
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}
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}
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// Close memory mapped IO
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// Close memory mapped IO
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struct v4l2_requestbuffers req = {};
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struct v4l2_requestbuffers req;
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req.count = 0;
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req.count = 0;
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req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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req.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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req.memory = V4L2_MEMORY_MMAP;
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req.memory = V4L2_MEMORY_MMAP;
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@ -358,7 +358,7 @@ struct device {
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}
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}
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if (FD_ISSET(fd, &fds)) {
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if (FD_ISSET(fd, &fds)) {
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v4l2_buffer buf = {};
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v4l2_buffer buf;
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buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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buf.memory = V4L2_MEMORY_MMAP;
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buf.memory = V4L2_MEMORY_MMAP;
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if (xioctl(fd, VIDIOC_DQBUF, &buf) < 0) {
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if (xioctl(fd, VIDIOC_DQBUF, &buf) < 0) {
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