diff options
Diffstat (limited to 'apps/plugins/imageviewer/imageviewer.c')
| -rw-r--r-- | apps/plugins/imageviewer/imageviewer.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/apps/plugins/imageviewer/imageviewer.c b/apps/plugins/imageviewer/imageviewer.c index f57dc7e3b3..4dc7b0a07a 100644 --- a/apps/plugins/imageviewer/imageviewer.c +++ b/apps/plugins/imageviewer/imageviewer.c @@ -127,6 +127,9 @@ static int curfile = -1, direction = DIR_NEXT, entries = 0; /* list of the supported image files */ static char **file_pt; +/* progress update tick */ +static long next_progress_tick; + static const struct image_decoder *imgdec = NULL; static enum image_type image_type = IMAGE_UNKNOWN; @@ -428,7 +431,14 @@ static int ask_and_get_audio_buffer(const char *filename) /* callback updating a progress meter while image decoding */ static void cb_progress(int current, int total) { - rb->yield(); /* be nice to the other threads */ + /* do not yield or update the progress bar if we did so too recently */ + long now = *rb->current_tick; + if(!TIME_AFTER(now, next_progress_tick)) + return; + + /* limit to 20fps */ + next_progress_tick = now + HZ/20; + #ifndef USEGSLIB /* in slideshow mode, keep gui interference to a minimum */ const int size = (!iv_api.running_slideshow ? 8 : 4); @@ -442,6 +452,8 @@ static void cb_progress(int current, int total) total, 0, current, HORIZONTAL); rb->lcd_update_rect(0, LCD_HEIGHT-size, LCD_WIDTH, size); } + + rb->yield(); /* be nice to the other threads */ } #define VSCROLL (LCD_HEIGHT/8) |