Clean up build warnings
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parent
52838d9a82
commit
98be11f6b6
99
main.c
99
main.c
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@ -7,6 +7,8 @@
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <time.h>
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#include <assert.h>
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#include <limits.h>
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#include <linux/kdev_t.h>
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#include <sys/sysmacros.h>
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#include <asm/errno.h>
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@ -30,28 +32,28 @@ static unsigned int n_buffers;
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// Rear camera
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static char *rear_dev_name;
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static int *rear_entity_id;
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static char *rear_dev[20];
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static int rear_width = -1;
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static int rear_height = -1;
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static int rear_rotate = 0;
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static int rear_fmt = V4L2_PIX_FMT_RGB24;
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static int rear_mbus = MEDIA_BUS_FMT_RGB888_1X24;
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static unsigned int rear_entity_id;
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static char rear_dev[260];
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static int rear_width = -1;
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static int rear_height = -1;
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static int rear_rotate = 0;
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static int rear_fmt = V4L2_PIX_FMT_RGB24;
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static int rear_mbus = MEDIA_BUS_FMT_RGB888_1X24;
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// Front camera
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static char *front_dev_name;
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static int *front_entity_id;
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static char *front_dev[20];
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static int front_width = -1;
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static int front_height = -1;
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static int front_rotate = 0;
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static int front_fmt = V4L2_PIX_FMT_RGB24;
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static int front_mbus = MEDIA_BUS_FMT_RGB888_1X24;
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static unsigned int front_entity_id;
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static char front_dev[260];
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static int front_width = -1;
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static int front_height = -1;
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static int front_rotate = 0;
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static int front_fmt = V4L2_PIX_FMT_RGB24;
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static int front_mbus = MEDIA_BUS_FMT_RGB888_1X24;
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// Camera interface
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static char *media_drv_name;
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static int *interface_entity_id;
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static char *dev_name[20];
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static unsigned int interface_entity_id;
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static char dev_name[260];
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static int media_fd;
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static int video_fd;
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@ -69,7 +71,7 @@ static int preview_width = -1;
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static int preview_height = -1;
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// Widgets
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GObject *preview;
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GtkWidget *preview;
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static int
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xioctl(int fd, int request, void *arg)
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@ -142,7 +144,7 @@ init_mmap(int fd)
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if (xioctl(fd, VIDIOC_REQBUFS, &req) == -1) {
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if (errno == EINVAL) {
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fprintf(stderr, "%s does not support memory mapping",
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*dev_name);
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dev_name);
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exit(EXIT_FAILURE);
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} else {
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errno_exit("VIDIOC_REQBUFS");
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@ -151,7 +153,7 @@ init_mmap(int fd)
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if (req.count < 2) {
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fprintf(stderr, "Insufficient buffer memory on %s\n",
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*dev_name);
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dev_name);
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exit(EXIT_FAILURE);
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}
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@ -237,7 +239,7 @@ init_device(int fd)
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if (xioctl(fd, VIDIOC_QUERYCAP, &cap) == -1) {
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if (errno == EINVAL) {
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fprintf(stderr, "%s is no V4L2 device\n",
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*dev_name);
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dev_name);
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exit(EXIT_FAILURE);
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} else {
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errno_exit("VIDIOC_QUERYCAP");
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@ -246,13 +248,13 @@ init_device(int fd)
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if (!(cap.capabilities & V4L2_CAP_VIDEO_CAPTURE)) {
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fprintf(stderr, "%s is no video capture device\n",
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*dev_name);
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dev_name);
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exit(EXIT_FAILURE);
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}
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if (!(cap.capabilities & V4L2_CAP_STREAMING)) {
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fprintf(stderr, "%s does not support streaming i/o\n",
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*dev_name);
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dev_name);
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exit(EXIT_FAILURE);
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}
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@ -458,8 +460,8 @@ read_frame(int fd)
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return 1;
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}
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static gboolean
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get_frame(int fd)
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gboolean
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get_frame()
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{
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if (ready == 0)
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return TRUE;
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@ -469,13 +471,13 @@ get_frame(int fd)
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int r;
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FD_ZERO(&fds);
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FD_SET(fd, &fds);
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FD_SET(video_fd, &fds);
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/* Timeout. */
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tv.tv_sec = 2;
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tv.tv_usec = 0;
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r = select(fd + 1, &fds, NULL, NULL, &tv);
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r = select(video_fd + 1, &fds, NULL, NULL, &tv);
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if (r == -1) {
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if (EINTR == errno) {
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@ -487,7 +489,7 @@ get_frame(int fd)
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exit(EXIT_FAILURE);
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}
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if (read_frame(fd)) {
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if (read_frame(video_fd)) {
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break;
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}
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/* EAGAIN - continue select loop. */
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@ -495,6 +497,13 @@ get_frame(int fd)
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return TRUE;
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}
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int
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strtoint(const char *nptr, char **endptr, int base)
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{
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long x = strtol(nptr, endptr, base);
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assert(x <= INT_MAX);
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return (int) x;
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}
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static int
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config_ini_handler(void *user, const char *section, const char *name,
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@ -502,11 +511,11 @@ config_ini_handler(void *user, const char *section, const char *name,
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{
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if (strcmp(section, "rear") == 0) {
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if (strcmp(name, "width") == 0) {
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rear_width = strtol(value, NULL, 10);
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rear_width = strtoint(value, NULL, 10);
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} else if (strcmp(name, "height") == 0) {
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rear_height = strtol(value, NULL, 10);
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rear_height = strtoint(value, NULL, 10);
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} else if (strcmp(name, "rotate") == 0) {
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rear_rotate = strtol(value, NULL, 10);
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rear_rotate = strtoint(value, NULL, 10);
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} else if (strcmp(name, "fmt") == 0) {
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if (strcmp(value, "RGB") == 0) {
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rear_fmt = V4L2_PIX_FMT_RGB24;
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@ -546,11 +555,11 @@ config_ini_handler(void *user, const char *section, const char *name,
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}
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} else if (strcmp(section, "front") == 0) {
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if (strcmp(name, "width") == 0) {
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front_width = strtol(value, NULL, 10);
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front_width = strtoint(value, NULL, 10);
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} else if (strcmp(name, "height") == 0) {
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front_height = strtol(value, NULL, 10);
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front_height = strtoint(value, NULL, 10);
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} else if (strcmp(name, "rotate") == 0) {
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front_rotate = strtol(value, NULL, 10);
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front_rotate = strtoint(value, NULL, 10);
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} else if (strcmp(name, "fmt") == 0) {
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if (strcmp(value, "RGB") == 0) {
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front_fmt = V4L2_PIX_FMT_RGB24;
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@ -608,10 +617,11 @@ find_dev_node(int maj, int min, char *fnbuf)
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DIR *d;
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struct dirent *dir;
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struct stat info;
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printf("find_dev_node\n");
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d = opendir("/dev");
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while ((dir = readdir(d)) != NULL) {
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sprintf(fnbuf, "/dev/%s", dir->d_name);
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printf("whee\n");
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stat(fnbuf, &info);
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if (!S_ISCHR(info.st_mode)) {
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continue;
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@ -715,18 +725,21 @@ find_cameras()
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if (strncmp(entity.name, front_dev_name, strlen(front_dev_name)) == 0) {
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front_entity_id = entity.id;
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find_dev_node(entity.dev.major, entity.dev.minor, front_dev);
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printf("survived1\n");
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printf("Found front cam, is %s at %s\n", entity.name, front_dev);
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found++;
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}
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if (strncmp(entity.name, rear_dev_name, strlen(rear_dev_name)) == 0) {
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rear_entity_id = entity.id;
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find_dev_node(entity.dev.major, entity.dev.minor, rear_dev);
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printf("survived2\n");
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printf("Found rear cam, is %s at %s\n", entity.name, rear_dev);
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found++;
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}
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if (entity.type == MEDIA_ENT_F_IO_V4L) {
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interface_entity_id = entity.id;
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find_dev_node(entity.dev.major, entity.dev.minor, dev_name);
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printf("survived3\n");
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printf("Found v4l2 interface node at %s\n", dev_name);
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}
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}
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@ -743,7 +756,7 @@ find_media_fd()
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DIR *d;
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struct dirent *dir;
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int fd;
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char fnbuf[20];
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char fnbuf[261];
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struct media_device_info mdi = {0};
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d = opendir("/dev");
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while ((dir = readdir(d)) != NULL) {
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video_fd = open(dev_name, O_RDWR);
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if (video_fd == -1) {
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g_printerr("Error opening video device: %s\n", dev_name);
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return 1;
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return;
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}
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init_device(video_fd);
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start_capturing(video_fd);
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return 1;
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}
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GObject *window = gtk_builder_get_object(builder, "window");
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GObject *preview_box = gtk_builder_get_object(builder, "preview_box");
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GObject *shutter = gtk_builder_get_object(builder, "shutter");
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GObject *switch_btn = gtk_builder_get_object(builder, "switch_camera");
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GObject *settings_btn = gtk_builder_get_object(builder, "settings");
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preview = gtk_builder_get_object(builder, "preview");
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GtkWidget *window = GTK_WIDGET(gtk_builder_get_object(builder, "window"));
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GtkWidget *preview_box = GTK_WIDGET(gtk_builder_get_object(builder, "preview_box"));
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GtkWidget *shutter = GTK_WIDGET(gtk_builder_get_object(builder, "shutter"));
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GtkWidget *switch_btn = GTK_WIDGET(gtk_builder_get_object(builder, "switch_camera"));
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GtkWidget *settings_btn = GTK_WIDGET(gtk_builder_get_object(builder, "settings"));
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preview = GTK_WIDGET(gtk_builder_get_object(builder, "preview"));
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g_signal_connect(window, "destroy", G_CALLBACK(gtk_main_quit), NULL);
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g_signal_connect(shutter, "clicked", G_CALLBACK(on_shutter_clicked), NULL);
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g_signal_connect(switch_btn, "clicked", G_CALLBACK(on_camera_switch_clicked), NULL);
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// Get a new frame every 34ms ~30fps
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printf("window show\n");
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gtk_widget_show(window);
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g_idle_add(get_frame, fd);
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g_idle_add((GSourceFunc)get_frame, NULL);
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gtk_main();
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return 0;
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}
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