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Tonton Th 2019-11-14 22:21:18 +01:00
parent 447464f6c8
commit 3e60fed5ed
1 changed files with 4 additions and 3 deletions
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7
v4l2/grabvidseq.c
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@ -140,9 +140,10 @@ while ((opt = getopt(argc, argv, "d:ghn:o:O:p:s:uv")) != -1) {
if (verbosity) { if (verbosity) {
fprintf(stderr, "running %s pid=%d\n", argv[0], getpid()); fprintf(stderr, "running %s pid=%d\n", argv[0], getpid());
fprintf(stderr, "grabing %d picz\n", nbre_capt);
fprintf(stderr, "period is %.3f milliseconds\n", period/1e3); fprintf(stderr, "period is %.3f milliseconds\n", period/1e3);
fprintf(stderr, "framesize is %dx%d\n", width, height); fprintf(stderr, "framesize is %dx%d\n", width, height);
fprintf(stderr, "upscaling is %s\n", upscaling ? "on" : "off"); if (upscaling) fprintf(stderr, "upscaling is on\n");
} }
fd = v4l2_open(dev_name, O_RDWR | O_NONBLOCK, 0); fd = v4l2_open(dev_name, O_RDWR | O_NONBLOCK, 0);
@ -160,11 +161,11 @@ fmt.fmt.pix.field = V4L2_FIELD_INTERLACED;
xioctl(fd, VIDIOC_S_FMT, &fmt); xioctl(fd, VIDIOC_S_FMT, &fmt);
if (fmt.fmt.pix.pixelformat != V4L2_PIX_FMT_RGB24) { if (fmt.fmt.pix.pixelformat != V4L2_PIX_FMT_RGB24) {
/* are others formats usable ? */ /* are others formats usable ? */
printf("Libv4l didn't accept RGB24 format. Can't proceed.\n"); fprintf(stderr, "Libv4l didn't accept RGB24 format. Can't proceed.\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
if ((fmt.fmt.pix.width != width) || (fmt.fmt.pix.height != height)) { if ((fmt.fmt.pix.width != width) || (fmt.fmt.pix.height != height)) {
printf("Warning: driver is sending image at %dx%d\n", fprintf(stderr, "Warning: driver is sending image at %dx%d\n",
fmt.fmt.pix.width, fmt.fmt.pix.height); fmt.fmt.pix.width, fmt.fmt.pix.height);
} }