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elementary: be more conservative on the amount of data requested from disk.

This commit is contained in:
Cedric BAIL 2016-09-19 16:07:03 -07:00
parent 25aef34aa0
commit 0d0ca579c6
1 changed files with 4 additions and 9 deletions
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13
src/lib/elementary/efl_ui_image.c
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@ -249,7 +249,6 @@ _efl_ui_image_async_open_do(void *data, Ecore_Thread *thread)
Async_Open_Data *todo = data;
Eina_File *f;
void *map = NULL;
unsigned char *p, sum = 0;
size_t i, size;
if (ecore_thread_check(thread)) return;
@ -273,17 +272,13 @@ _efl_ui_image_async_open_do(void *data, Ecore_Thread *thread)
}
// Read just enough data for map to actually do something.
p = map = eina_file_map_all(f, EINA_FILE_SEQUENTIAL);
size = eina_file_size_get(f);
// Read and ensure all pages are in memory for sure first just
// 1 byte per page will do. also keep a limit on how much we will
// blindly load in here to let's say 512M
if (size > (512 * 1024 * 1024)) size = 512 * 1024 * 1024;
for (i = 0; i < size; i += 4096)
{
if (ecore_thread_check(thread)) break;
sum += p[i];
}
// blindly load in here to let's say 32KB (Should be enough to get
// image headers without getting to much data from the hard drive).
size = size > 32 * 1024 ? 32 * 1024 : size;
map = eina_file_map_new(f, EINA_FILE_POPULATE, 0, size);
if (ecore_thread_check(thread))
{