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v4p: turn off the display after timeout

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This commit is contained in:
Maxim Devaev
2024-03-10 17:10:42 +02:00
parent c4cf4f015b
commit 2d9e51a1ca
2 changed files with 21 additions and 7 deletions
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23
src/v4p/main.c
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@@ -172,17 +172,20 @@ static void _main_loop(void) {
dev->dma_required = true;
int once = 0;
ldf blank_at_ts = 0;
int drm_opened = -1;
while (!atomic_load(&_g_stop)) {
# define CHECK(x_arg) if ((x_arg) < 0) { goto close; }
if (drm_opened <= 0) {
blank_at_ts = 0;
CHECK(drm_opened = us_drm_open(drm, NULL));
}
assert(drm_opened > 0);
if (atomic_load(&_g_ustreamer_online)) {
US_ONCE({ US_LOG_ERROR("DRM: Online stream is active, stopping capture ..."); });
blank_at_ts = 0;
US_ONCE({ US_LOG_INFO("DRM: Online stream is active, stopping capture ..."); });
CHECK(us_drm_wait_for_vsync(drm));
CHECK(us_drm_expose_stub(drm, US_DRM_STUB_BUSY, NULL));
_slowdown();
@@ -190,18 +193,26 @@ static void _main_loop(void) {
}
if (us_device_open(dev) < 0) {
/*CHECK(us_drm_wait_for_vsync(drm));
CHECK(us_drm_expose_stub(drm, US_DRM_STUB_NO_SIGNAL, NULL));*/
CHECK(us_drm_dpms_power_off(drm));
ldf now_ts = us_get_now_monotonic();
if (blank_at_ts == 0) {
blank_at_ts = now_ts + 5;
}
if (now_ts <= blank_at_ts) {
CHECK(us_drm_wait_for_vsync(drm));
CHECK(us_drm_expose_stub(drm, US_DRM_STUB_NO_SIGNAL, NULL));
} else {
US_ONCE({ US_LOG_INFO("DRM: Turning off the display by timeout ..."); });
CHECK(us_drm_dpms_power_off(drm));
}
_slowdown();
continue;
}
once = 0;
blank_at_ts = 0;
us_drm_close(drm);
CHECK(drm_opened = us_drm_open(drm, dev));
once = 0;
us_hw_buffer_s *prev_hw = NULL;
while (!atomic_load(&_g_stop)) {
if (atomic_load(&_g_ustreamer_online)) {