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Player: improve the stabilization mechanism 

The goal is to support applications where editable entries are used.
The problem is the text cursor that, even if we disable its animation
through the theme overlay, triggers the render post event, which breaks
all the previous method used to detect stability.
Now, every 100ms, we compare the current canvas image with the previous
saved shot.
This commit is contained in:
Daniel Zaoui 2018-05-16 17:55:35 +03:00
parent 8eafc850bc
commit 667171d1d9
1 changed files with 58 additions and 17 deletions
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65
src/bin/player.c
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@ -125,8 +125,6 @@ static int _cur_shot_id = 0;
static Eina_Bool _shot_needed = EINA_FALSE;
static Eina_Bool _scan_objects = EINA_FALSE, _disable_shots = EINA_FALSE;
static Eina_Bool _stabilization_needed = EINA_FALSE;
static Ecore_Timer *_stabilization_timer = NULL;
static Eina_Bool _stabilization_timer_cb(void *);
static Eina_Bool _exit_required = EINA_FALSE;
@ -231,6 +229,34 @@ _shot_do(Evas *e)
}
}
static Exactness_Image *
_sync_shot_get(Evas *e)
{
Exactness_Image *ex_img;
Ecore_Evas *ee_orig;
unsigned int *pixels;
int w, h, nb_bytes;
if (!e) return NULL;
ee_orig = ecore_evas_ecore_evas_get(e);
ecore_evas_manual_render(ee_orig);
pixels = (void *)ecore_evas_buffer_pixels_get(ee_orig);
if (!pixels) return NULL;
ecore_evas_geometry_get(ee_orig, NULL, NULL, &w, &h);
if ((w < 1) || (h < 1)) return NULL;
ex_img = malloc(sizeof(*ex_img));
nb_bytes = w * h * 4;
ex_img->w = w;
ex_img->h = h;
ex_img->pixels = malloc(nb_bytes);
memcpy(ex_img->pixels, pixels, nb_bytes);
return ex_img;
}
static void
_feed_event(Exactness_Action_Type type, unsigned int n_evas, void *data)
{
@ -422,8 +448,7 @@ _feed_event(Exactness_Action_Type type, unsigned int n_evas, void *data)
{
_printf(2, "%s stabilize\n", __func__);
if (rect) evas_object_color_set(rect, 255, 165, 0, 255);
_stabilization_needed = EINA_TRUE;
_stabilization_timer = ecore_timer_add(1.0, _stabilization_timer_cb, NULL);
ecore_timer_add(0.1, _stabilization_timer_cb, NULL);
break;
}
default: /* All non-input events are not handeled */
@ -458,8 +483,28 @@ _feed_event_timer_cb(void *data EINA_UNUSED)
static Eina_Bool
_stabilization_timer_cb(void *data EINA_UNUSED)
{
if (!_stabilization_needed) return ECORE_CALLBACK_CANCEL;
_stabilization_needed = EINA_FALSE;
Eina_List *itr;
Evas *e;
Eina_Bool need_more = EINA_FALSE;
EINA_LIST_FOREACH(_evas_list, itr, e)
{
Exactness_Image *last_img = efl_key_data_get(e, "_last_shot");
Exactness_Image *cur_img = _sync_shot_get(e);
if (!last_img || exactness_image_compare(last_img, cur_img, NULL)) need_more = EINA_TRUE;
exactness_image_free(last_img);
efl_key_data_set(e, "_last_shot", cur_img);
}
EINA_LIST_FOREACH(_evas_list, itr, e)
{
if (!need_more)
{
Exactness_Image *last_img = efl_key_data_get(e, "_last_shot");
exactness_image_free(last_img);
efl_key_data_set(e, "_last_shot", NULL);
}
}
if (!need_more)
{
if (_src_type != FTYPE_REMOTE)
{
Exactness_Action *act = eina_list_data_get(_cur_event_list);
@ -468,16 +513,12 @@ _stabilization_timer_cb(void *data EINA_UNUSED)
}
return ECORE_CALLBACK_CANCEL;
}
else return ECORE_CALLBACK_RENEW;
}
static void
_evas_render_post_cb(void *data EINA_UNUSED, const Efl_Event *event)
{
if (_stabilization_needed)
{
_printf(2, "Not stable yet...\n");
ecore_timer_del(_stabilization_timer);
_stabilization_timer = ecore_timer_add(1.0, _stabilization_timer_cb, NULL);
}
if (_shot_needed)
{
Evas_Event_Render_Post *post = event->info;