summaryrefslogtreecommitdiff
path: root/v4l2-apps/libv4l/libv4l2
diff options
context:
space:
mode:
Diffstat (limited to 'v4l2-apps/libv4l/libv4l2')
-rw-r--r--v4l2-apps/libv4l/libv4l2/libv4l2.c5
-rw-r--r--v4l2-apps/libv4l/libv4l2/log.c71
2 files changed, 73 insertions, 3 deletions
diff --git a/v4l2-apps/libv4l/libv4l2/libv4l2.c b/v4l2-apps/libv4l/libv4l2/libv4l2.c
index 720e91975..b6ddef6e8 100644
--- a/v4l2-apps/libv4l/libv4l2/libv4l2.c
+++ b/v4l2-apps/libv4l/libv4l2/libv4l2.c
@@ -760,6 +760,9 @@ int v4l2_ioctl (int fd, unsigned long int request, ...)
case VIDIOC_ENUM_FRAMEINTERVALS:
result = v4lconvert_enum_frameintervals(devices[index].convert, arg);
+ if (result)
+ V4L2_LOG("ENUM_FRAMEINTERVALS Error: %s",
+ v4lconvert_get_error_message(devices[index].convert));
break;
case VIDIOC_TRY_FMT:
@@ -949,7 +952,7 @@ int v4l2_ioctl (int fd, unsigned long int request, ...)
but we need the buffer _now_ to write our converted data
to it! */
if (devices[index].convert_mmap_buf == MAP_FAILED) {
- devices[index].convert_mmap_buf = (void *)syscall(SYS_mmap2,
+ devices[index].convert_mmap_buf = (void *)syscall(SYS_mmap2, NULL,
(size_t)(
devices[index].no_frames *
V4L2_FRAME_BUF_SIZE),
diff --git a/v4l2-apps/libv4l/libv4l2/log.c b/v4l2-apps/libv4l/libv4l2/log.c
index 437b51d3e..c086ef736 100644
--- a/v4l2-apps/libv4l/libv4l2/log.c
+++ b/v4l2-apps/libv4l/libv4l2/log.c
@@ -91,6 +91,10 @@ static const char *v4l2_ioctls[] = {
[_IOC_NR(VIDIOC_G_EXT_CTRLS)] = "VIDIOC_G_EXT_CTRLS",
[_IOC_NR(VIDIOC_S_EXT_CTRLS)] = "VIDIOC_S_EXT_CTRLS",
[_IOC_NR(VIDIOC_TRY_EXT_CTRLS)] = "VIDIOC_TRY_EXT_CTRLS",
+#ifdef VIDIOC_ENUM_FRAMESIZES
+ [_IOC_NR(VIDIOC_ENUM_FRAMESIZES)] = "VIDIOC_ENUM_FRAMESIZES",
+ [_IOC_NR(VIDIOC_ENUM_FRAMEINTERVALS)] = "VIDIOC_ENUM_FRAMEINTERVALS",
+#endif
};
void v4l2_log_ioctl(unsigned long int request, void *arg, int result)
@@ -105,7 +109,7 @@ void v4l2_log_ioctl(unsigned long int request, void *arg, int result)
if (_IOC_TYPE(request) == 'V' && _IOC_NR(request) < ARRAY_SIZE(v4l2_ioctls))
ioctl_str = v4l2_ioctls[_IOC_NR(request)];
else {
- snprintf(buf, sizeof(buf), "unknown request: %c %d\n",
+ snprintf(buf, sizeof(buf), "unknown request: %c %d",
(int)_IOC_TYPE(request), (int)_IOC_NR(request));
ioctl_str = buf;
}
@@ -113,11 +117,18 @@ void v4l2_log_ioctl(unsigned long int request, void *arg, int result)
fprintf(v4l2_log_file, "request == %s\n", ioctl_str);
switch (request) {
+ case VIDIOC_ENUM_FMT:
+ {
+ struct v4l2_fmtdesc *fmt = arg;
+ fprintf(v4l2_log_file, " index: %u, description: %s\n",
+ fmt->index, (result < 0) ? "" : fmt->description);
+ }
+ break;
case VIDIOC_G_FMT:
case VIDIOC_S_FMT:
case VIDIOC_TRY_FMT:
{
- struct v4l2_format* fmt = arg;
+ struct v4l2_format *fmt = arg;
int pixfmt = fmt->fmt.pix.pixelformat;
if (fmt->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
@@ -144,6 +155,62 @@ void v4l2_log_ioctl(unsigned long int request, void *arg, int result)
req->count, (int)req->type, (int)req->memory);
}
break;
+#ifdef VIDIOC_ENUM_FRAMESIZES
+ case VIDIOC_ENUM_FRAMESIZES:
+ {
+ struct v4l2_frmsizeenum *frmsize = arg;
+ int pixfmt = frmsize->pixel_format;
+
+ fprintf(v4l2_log_file, " index: %u pixelformat: %c%c%c%c",
+ frmsize->index,
+ pixfmt & 0xff,
+ (pixfmt >> 8) & 0xff,
+ (pixfmt >> 16) & 0xff,
+ pixfmt >> 24);
+ switch (frmsize->type) {
+ case V4L2_FRMSIZE_TYPE_DISCRETE:
+ fprintf(v4l2_log_file, " %ux%u\n", frmsize->discrete.width,
+ frmsize->discrete.height);
+ break;
+ case V4L2_FRMSIZE_TYPE_CONTINUOUS:
+ case V4L2_FRMSIZE_TYPE_STEPWISE:
+ fprintf(v4l2_log_file, " %ux%u -> %ux%u\n",
+ frmsize->stepwise.min_width, frmsize->stepwise.min_height,
+ frmsize->stepwise.max_width, frmsize->stepwise.max_height);
+ break;
+ }
+ }
+ break;
+ case VIDIOC_ENUM_FRAMEINTERVALS:
+ {
+ struct v4l2_frmivalenum *frmival = arg;
+ int pixfmt = frmival->pixel_format;
+
+ fprintf(v4l2_log_file, " index: %u pixelformat: %c%c%c%c %ux%u: ",
+ frmival->index,
+ pixfmt & 0xff,
+ (pixfmt >> 8) & 0xff,
+ (pixfmt >> 16) & 0xff,
+ pixfmt >> 24,
+ frmival->width,
+ frmival->height);
+ switch (frmival->type) {
+ case V4L2_FRMIVAL_TYPE_DISCRETE:
+ fprintf(v4l2_log_file, "%u/%u\n", frmival->discrete.numerator,
+ frmival->discrete.denominator);
+ break;
+ case V4L2_FRMIVAL_TYPE_CONTINUOUS:
+ case V4L2_FRMIVAL_TYPE_STEPWISE:
+ fprintf(v4l2_log_file, "%u/%u -> %u/%u\n",
+ frmival->stepwise.min.numerator,
+ frmival->stepwise.min.denominator,
+ frmival->stepwise.max.numerator,
+ frmival->stepwise.max.denominator);
+ break;
+ }
+ }
+ break;
+#endif
}
if (result < 0)