static int generate_thumbnail_cache(const dt_mipmap_size_t max_mip)
{
fprintf(stderr, _("creating cache directories\n"));
for(dt_mipmap_size_t k = DT_MIPMAP_0; k <= max_mip; k++)
{
char dirname[PATH_MAX] = { 0 };
snprintf(dirname, sizeof(dirname), "%s.d/%d", darktable.mipmap_cache->cachedir, k);
fprintf(stderr, _("creating cache directory '%s'\n"), dirname);
if(g_mkdir_with_parents(dirname, 0750))
{
fprintf(stderr, _("could not create directory '%s'!\n"), dirname);
return 1;
}
}
// some progress counter
sqlite3_stmt *stmt;
size_t image_count = 0, counter = 0;
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db), "select count(id) from images", -1, &stmt, 0);
if(sqlite3_step(stmt) == SQLITE_ROW)
{
image_count = sqlite3_column_int(stmt, 0);
sqlite3_finalize(stmt);
}
else
{
return 1;
}
// go through all images:
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db), "select id from images", -1, &stmt, 0);
while(sqlite3_step(stmt) == SQLITE_ROW)
{
const uint32_t imgid = sqlite3_column_int(stmt, 0);
for(int k = max_mip; k >= DT_MIPMAP_0; k--)
{
char filename[PATH_MAX] = { 0 };
snprintf(filename, sizeof(filename), "%s.d/%d/%d.jpg", darktable.mipmap_cache->cachedir, k, imgid);
// if the thumbnail is already on disc - do nothing
if(!access(filename, R_OK)) continue;
// else, generate thumbnail and store in mipmap cache.
dt_mipmap_buffer_t buf;
dt_mipmap_cache_get(darktable.mipmap_cache, &buf, imgid, k, DT_MIPMAP_BLOCKING, 'r');
dt_mipmap_cache_release(darktable.mipmap_cache, &buf);
}
// and immediately write thumbs to disc and remove from mipmap cache.
dt_mimap_cache_evict(darktable.mipmap_cache, imgid);
counter++;
fprintf(stderr, "image %zu/%zu (%.02f%%)\n", counter, image_count, 100.0 * counter / (float)image_count);
}
sqlite3_finalize(stmt);
fprintf(stderr, "done\n");
return 0;
}
static int generate_thumbnail_cache(const dt_mipmap_size_t min_mip, const dt_mipmap_size_t max_mip, const int32_t min_imgid, const int32_t max_imgid)
{
fprintf(stderr, _("creating cache directories\n"));
for(dt_mipmap_size_t k = min_mip; k <= max_mip; k++)
{
char dirname[PATH_MAX] = { 0 };
snprintf(dirname, sizeof(dirname), "%s.d/%d", darktable.mipmap_cache->cachedir, k);
fprintf(stderr, _("creating cache directory '%s'\n"), dirname);
if(g_mkdir_with_parents(dirname, 0750))
{
fprintf(stderr, _("could not create directory '%s'!\n"), dirname);
return 1;
}
}
// some progress counter
sqlite3_stmt *stmt;
size_t image_count = 0, counter = 0;
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"SELECT COUNT(*) FROM main.images WHERE id >= ?1 AND id <= ?2", -1, &stmt, 0);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, min_imgid);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 2, max_imgid);
if(sqlite3_step(stmt) == SQLITE_ROW)
{
image_count = sqlite3_column_int(stmt, 0);
sqlite3_finalize(stmt);
}
else
{
return 1;
}
if(!image_count)
{
fprintf(stderr, _("warning: no images are matching the requested image id range\n"));
if(min_imgid > max_imgid)
{
fprintf(stderr, _("warning: did you want to swap these boundaries?\n"));
}
}
// go through all images:
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"SELECT id FROM main.images WHERE id >= ?1 AND id <= ?2", -1, &stmt, 0);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, min_imgid);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 2, max_imgid);
while(sqlite3_step(stmt) == SQLITE_ROW)
{
const int32_t imgid = sqlite3_column_int(stmt, 0);
for(int k = max_mip; k >= min_mip && k >= 0; k--)
{
char filename[PATH_MAX] = { 0 };
snprintf(filename, sizeof(filename), "%s.d/%d/%d.jpg", darktable.mipmap_cache->cachedir, k, imgid);
// if the thumbnail is already on disc - do nothing
if(!access(filename, R_OK)) continue;
// else, generate thumbnail and store in mipmap cache.
dt_mipmap_buffer_t buf;
dt_mipmap_cache_get(darktable.mipmap_cache, &buf, imgid, k, DT_MIPMAP_BLOCKING, 'r');
dt_mipmap_cache_release(darktable.mipmap_cache, &buf);
}
// and immediately write thumbs to disc and remove from mipmap cache.
dt_mimap_cache_evict(darktable.mipmap_cache, imgid);
counter++;
fprintf(stderr, "image %zu/%zu (%.02f%%)\n", counter, image_count, 100.0 * counter / (float)image_count);
}
sqlite3_finalize(stmt);
fprintf(stderr, "done\n");
return 0;
}