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dey-examples: v4l2_test: Set capture mode. 

Now it depends on the last set capture mode which may be not compatible.

https://jira.digi.com/browse/DEL-1521

Signed-off-by: Alex Gonzalez <alex.gonzalez@digi.com>
This commit is contained in:
Alex Gonzalez 2015-02-23 17:38:21 +01:00
parent 8b0db7612d
commit cdec338906
3 changed files with 28 additions and 1 deletions
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18
meta-digi-dey/recipes-digi/dey-examples/files/v4l2_test/v4l2_common.c
View File

@ -303,6 +303,24 @@ int v4l2_set_frame_rate(int fd, int framerate)
return ioctl(fd, VIDIOC_S_PARM, &streamparm);
}
/* Set the specified capture mode on the V4L2 device */
int v4l2_set_capture_mode(int fd, int capturemode)
{
struct v4l2_streamparm streamparm;
memset(&streamparm, 0, sizeof(streamparm));
streamparm.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
if (ioctl(fd, VIDIOC_G_PARM, &streamparm) < 0) {
log("get frame rate failed\n");
return FALSE;
}
/* Set capture mode */
streamparm.parm.capture.capturemode = capturemode;
return ioctl(fd, VIDIOC_S_PARM, &streamparm);
}
/* Return true if the output specified by name is supported by the device,
* false or error otherwise */
int v4l2_check_output(int fd, char *name)

1
meta-digi-dey/recipes-digi/dey-examples/files/v4l2_test/v4l2_defs.h
View File

@ -123,6 +123,7 @@ typedef struct {
int left;
int height;
int width;
int capturemode;
int non_destructive;
int camera_framerate;
} OPTIONS;

10
meta-digi-dey/recipes-digi/dey-examples/files/v4l2_test/v4l2_preview_test.c
View File

@ -62,6 +62,7 @@ static void printUsage(FILE * fd)
" uses the overlay background framebuffer.\n"
" -r RGB565 (default is UYVY)\n"
" -u YUYV (default is UYVY)\n"
" -c capture mode (default is 0)\n"
" -v Verbose mode\n"
" -? This help\n\n");
}
@ -102,6 +103,9 @@ static void *v4l2_camera_thread(void *pargs)
/* Reset rotation to ROTATE_NONE */
v4l2_set_rotate(args->fd_in, 0);
/* Set capture mode */
v4l2_set_capture_mode(args->fd_in, args->options.capturemode);
/* Set size in overlay */
v4l2_set_format_overlay(args->fd_in,
args->options.top, args->options.left,
@ -365,11 +369,12 @@ int main(int argc, char **argv)
args.options.width = 640;
args.options.height = 480;
args.options.format = V4L2_PIX_FMT_UYVY;
args.options.capturemode = 0;
strcpy(args.fb_device, "/dev/fb0");
strcpy(args.v4l2_device, "/dev/video0");
/* Input processing */
while ((opt = getopt(argc, argv, "w:d:h:l:t:o:xvru?")) != -1) {
while ((opt = getopt(argc, argv, "w:d:h:l:t:o:xc:vru?")) != -1) {
switch (opt) {
case '?':
printUsage(stderr);
@ -404,6 +409,9 @@ int main(int argc, char **argv)
case 'x':
args.options.non_destructive = 1;
break;
case 'c':
args.options.capturemode = atoi(optarg);
break;
case 'v':
verbose = 1;
break;