forked from tTh/FloatImg
rien n'est simple, mais il faut avancer
This commit is contained in:
parent
47ec3c8ab5
commit
9c845b5d04
16
v4l2/t.c
16
v4l2/t.c
|
@ -22,8 +22,9 @@ int verbosity;
|
|||
/* --------------------------------------------------------------------- */
|
||||
int essai(char *dev, int k)
|
||||
{
|
||||
int vfd, foo;
|
||||
struct v4l2_format fmt;
|
||||
int vfd, foo;
|
||||
struct v4l2_format fmt;
|
||||
struct v4l2_requestbuffers reqbuf;
|
||||
|
||||
fprintf(stderr, ">>> %s ( '%s' %d )\n", __func__, dev, k);
|
||||
|
||||
|
@ -43,11 +44,17 @@ pr_v4l2_format("before ioctl", &fmt);
|
|||
|
||||
foo = ioctl(vfd, VIDIOC_S_FMT, &fmt);
|
||||
fprintf(stderr, "ioctl -> %d\n", foo);
|
||||
if (foo < 0)) perror("ioctl S_FMT");
|
||||
if (foo < 0) {
|
||||
perror("ioctl S_FMT");
|
||||
exit(1);
|
||||
}
|
||||
|
||||
pr_v4l2_format("after ioctl", &fmt);
|
||||
|
||||
/* todo V4L2_BUF_TYPE_VIDEO_CAPTURE */
|
||||
memset(&reqbuf, 0, sizeof(reqbuf));
|
||||
pr_v4l2_requestbuffers("after 0", &reqbuf);
|
||||
|
||||
|
||||
return k;
|
||||
}
|
||||
|
@ -66,6 +73,9 @@ puts("\t-d\tselect the video device");
|
|||
puts("\t-K\tset the K parameter");
|
||||
puts("\t-l\tlist video devices");
|
||||
puts("\t-v\tincrease verbosity");
|
||||
|
||||
if (verbosity) { puts(""); fimg_print_version(1); }
|
||||
|
||||
exit(0);
|
||||
}
|
||||
/* --------------------------------------------------------------------- */
|
||||
|
|
|
@ -52,7 +52,7 @@ return 0;
|
|||
/* --------------------------------------------------------------------- */
|
||||
int pr_v4l2_requestbuffers(char *txt, struct v4l2_requestbuffers *ptr)
|
||||
{
|
||||
fprintf(FP, "-- v4l2_requestbuffers, at %p\n", ptr);
|
||||
fprintf(FP, "-- v4l2_requestbuffers, %s %p\n", txt, ptr);
|
||||
fprintf(FP, " type %d\n", ptr->type); /* enum v4l2_buf_type */
|
||||
|
||||
|
||||
|
|
Loading…
Reference in New Issue