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Blank the capture screen when output power turns off 

Signed-off-by: Jim Ramsay <i.am@jimramsay.com>
pull/199/head
Jim Ramsay 2022-11-30 05:12:28 -05:00 committed by Andri Yngvason
parent 6b44a6648e
commit 5bb8cbfa92
1 changed files with 23 additions and 16 deletions
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39
src/main.c
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@ -670,6 +670,27 @@ static struct nvnc_fb* create_placeholder_buffer(uint16_t width, uint16_t height
return fb;
}
static int blank_screen(struct wayvnc* self)
{
struct nvnc_fb* placeholder_fb =
create_placeholder_buffer(self->selected_output->width,
self->selected_output->height);
if (!placeholder_fb) {
nvnc_log(NVNC_LOG_ERROR, "Failed to allocate a placeholder buffer");
return -1;
}
struct pixman_region16 damage;
pixman_region_init_rect(&damage, 0, 0,
nvnc_fb_get_width(placeholder_fb),
nvnc_fb_get_height(placeholder_fb));
nvnc_display_feed_buffer(self->nvnc_display, placeholder_fb, &damage);
pixman_region_fini(&damage);
nvnc_fb_unref(placeholder_fb);
return 0;
}
int init_nvnc(struct wayvnc* self, const char* addr, uint16_t port, bool is_unix)
{
self->nvnc = is_unix ? nvnc_open_unix(addr) : nvnc_open(addr, port);
@ -710,22 +731,8 @@ int init_nvnc(struct wayvnc* self, const char* addr, uint16_t port, bool is_unix
nvnc_set_new_client_fn(self->nvnc, on_nvnc_client_new);
nvnc_set_cut_text_fn(self->nvnc, on_client_cut_text);
struct nvnc_fb* placeholder_fb =
create_placeholder_buffer(self->selected_output->width,
self->selected_output->height);
if (!placeholder_fb) {
nvnc_log(NVNC_LOG_ERROR, "Failed to allocate a placeholder buffer");
if (blank_screen(self) != 0)
goto failure;
}
struct pixman_region16 damage;
pixman_region_init_rect(&damage, 0, 0,
nvnc_fb_get_width(placeholder_fb),
nvnc_fb_get_height(placeholder_fb));
nvnc_display_feed_buffer(self->nvnc_display, placeholder_fb, &damage);
pixman_region_fini(&damage);
nvnc_fb_unref(placeholder_fb);
return 0;
@ -815,7 +822,7 @@ static void on_output_power_change(struct output* output)
case OUTPUT_POWER_OFF:
nvnc_log(NVNC_LOG_WARNING, "Output is now off. Pausing frame capture");
screencopy_stop(&self->screencopy);
// TODO: Add a placeholder frame?
blank_screen(self);
break;
default:
break;