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system/nxcamera: add pan_display when it is not single buffer.

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After optimizing the vync mechanism, it is necessary to use ioctl (display) to refresh the display in dual buffer mode.

run nxcamera.

Signed-off-by: jianglianfang <jianglianfang@xiaomi.com>
This commit is contained in:
jianglianfang 2023-08-22 15:12:26 +08:00 committed by Petro Karashchenko
parent fece67ee4b
commit 201a57440c
1 changed files with 25 additions and 0 deletions
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25
system/nxcamera/nxcamera.c
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@ -36,6 +36,7 @@
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <poll.h>
#include <nuttx/queue.h>
#include <nuttx/video/video.h>
@ -64,6 +65,25 @@
* Private Functions
****************************************************************************/
/****************************************************************************
* pan_display
****************************************************************************/
static void pan_display(int fb_device, FAR struct fb_planeinfo_s *plane_info)
{
struct pollfd pfd;
int ret;
pfd.fd = fb_device;
pfd.events = POLLOUT;
ret = poll(&pfd, 1, 0);
if (ret > 0)
{
ioctl(fb_device, FBIOPAN_DISPLAY, plane_info);
}
}
static int show_image(FAR struct nxcamera_s *pcam, FAR v4l2_buffer_t *buf)
{
#ifdef CONFIG_LIBYUV
@ -381,6 +401,11 @@ static void *nxcamera_loopthread(pthread_addr_t pvarg)
goto err_out;
}
if (pcam->display_pinfo.yres_virtual > pcam->display_vinfo.yres)
{
pan_display(pcam->display_fd, &pcam->display_pinfo);
}
ret = ioctl(pcam->capture_fd, VIDIOC_QBUF, (uintptr_t)&buf);
if (ret < 0)
{