diff options
| -rw-r--r-- | source/blender/editors/space_clip/clip_editor.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/source/blender/editors/space_clip/clip_editor.c b/source/blender/editors/space_clip/clip_editor.c index 0e1a2f98d40..20e69fce848 100644 --- a/source/blender/editors/space_clip/clip_editor.c +++ b/source/blender/editors/space_clip/clip_editor.c @@ -603,7 +603,10 @@ typedef struct PrefetchQueue { int initial_frame, current_frame, start_frame, end_frame; short render_size, render_flag; - short direction; + /* If true prefecthing goes forward in time, + * othwewise it goes backwards in time (starting from current frame). + */ + bool forward; SpinLock spin; @@ -707,17 +710,17 @@ static unsigned char *prefetch_thread_next_frame(PrefetchQueue *queue, MovieClip { int current_frame; - if (queue->direction > 0) { + if (queue->forward) { current_frame = prefetch_find_uncached_frame(clip, queue->current_frame + 1, queue->end_frame, queue->render_size, queue->render_flag, 1); /* switch direction if read frames from current up to scene end frames */ if (current_frame > queue->end_frame) { queue->current_frame = queue->initial_frame; - queue->direction = -1; + queue->forward = false; } } - if (queue->direction < 0) { + if (!queue->forward) { current_frame = prefetch_find_uncached_frame(clip, queue->current_frame - 1, queue->start_frame, queue->render_size, queue->render_flag, -1); } @@ -732,7 +735,7 @@ static unsigned char *prefetch_thread_next_frame(PrefetchQueue *queue, MovieClip queue->current_frame = current_frame; - if (queue->direction > 0) { + if (queue->forward) { frames_processed = queue->current_frame - queue->initial_frame; } else { @@ -808,7 +811,7 @@ static void start_prefetch_threads(MovieClip *clip, int start_frame, int current queue.end_frame = end_frame; queue.render_size = render_size; queue.render_flag = render_flag; - queue.direction = 1; + queue.forward = 1; queue.stop = stop; queue.do_update = do_update; |