static void mainloop(struct v4l2_camera *cam)
{
int ret;
int save_flag = 0;
int action, running = 1;
camera_start_capturing(cam);
while (running) {
while((ret = read_frame(cam, display_frame, &save_flag)) == -EAGAIN);
if (ret != CAMERA_RETURN_SUCCESS)
break;
action = window_get_event((struct window *)cam->priv);
switch (action) {
case ACTION_STOP:
running = 0;
break;
case ACTION_SAVE_PICTURE:
save_flag = 1;
break;
case ACTION_EDIT_CONTROL:
edit_control(cam);
break;
case ACTION_NONE:
//fall through
default:
save_flag = 0;;
}
}
camera_stop_capturing(cam);
}
static void mainloop_noui(struct v4l2_camera *cam, int count)
{
int i = 0, ret;
if (camera_start_capturing(cam))
return;
while(i++ < count)
{
/* EAGAIN - continue select loop. */
while((ret = read_frame(cam, save_frame, NULL)) == -EAGAIN);
if (ret == CAMERA_RETURN_FAILURE)
break;
}
camera_stop_capturing(cam);
}
static void * camera_thread(DirectThread *thread, void *arg)
{
int camera_dev_num = 0;
int second_dev_num = -1;
int fid;
struct stat st;
bool same_sensor_flg = false;
char *back = "b";
char *front = "f";
int cur_stat = 0;
int *num = arg;
int width = camera_pixel_width;
int height = camera_pixel_height;
printf("camera num = %d\n", *num);
if (0 == stat("/dev/video3", &st))
{
printf("got two sensor at video0 video3\n");
second_dev_num = 3;
}
#ifndef __GS702C__
else if (0 == stat("/dev/video1", &st))
{
printf("got two sensor at video0 video1\n");
second_dev_num = 1;
}
#endif
if (second_dev_num < 0)
{
same_sensor_flg = true;
printf("got two same sensor\n");
}
while(true)
{
do
{
if(open_camera_device(camera_dev_num, *num) == -1)
{
printf("open camera %d error\n", camera_dev_num);
direct_thread_sleep( 1000000 );
break;
}
if(init_camera_device(&width, &height) == -1)
{
printf("init camera %d error\n", camera_dev_num);
close_camera_device();
break;
}
camera_start_capturing();
camera_mainloop();
camera_stop_capturing();
uninit_camera_device();
close_camera_device();
}while(0);
if(same_sensor_flg)
{
fid = open("/sys/bus/platform/devices/camera_flag_device.0/front_back", O_WRONLY);
if(0 == cur_stat)
{
write(fid,back,1);
close(fid);
cur_stat = 1;
}
else
{
write(fid,front,1);
close(fid);
cur_stat = 0;
}
}
else
{
if(camera_dev_num)
{
camera_dev_num = 0;
//printf("switch to video0, the rear camera \n");
}
else
{
camera_dev_num = second_dev_num;
printf("switch to video%d, front-facing cameras \n", second_dev_num);
}
}
}
}