diff options
| -rw-r--r-- | sub/sd_lavc.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/sub/sd_lavc.c b/sub/sd_lavc.c index 620b3f85a7..21dd85f408 100644 --- a/sub/sd_lavc.c +++ b/sub/sd_lavc.c @@ -62,6 +62,8 @@ struct sd_lavc_priv { AVRational pkt_timebase; struct sub subs[MAX_QUEUE]; // most recent event first struct sub_bitmap *outbitmaps; + struct sub_bitmap *prevret; + int prevret_num; int64_t displayed_id; int64_t new_id; struct mp_image_params video_params; @@ -490,6 +492,28 @@ static struct sub_bitmaps *get_bitmaps(struct sd *sd, struct mp_osd_res d, } } + if (priv->prevret_num != res->num_parts) + res->change_id++; + + if (!res->change_id) { + assert(priv->prevret_num == res->num_parts); + for (int n = 0; n < priv->prevret_num; n++) { + struct sub_bitmap *a = &res->parts[n]; + struct sub_bitmap *b = &priv->prevret[n]; + + if (a->x != b->x || a->y != b->y || + a->dw != b->dw || a->dh != b->dh) + { + res->change_id++; + break; + } + } + } + + priv->prevret_num = res->num_parts; + MP_TARRAY_GROW(priv, priv->prevret, priv->prevret_num); + memcpy(priv->prevret, res->parts, res->num_parts * sizeof(priv->prevret[0])); + return sub_bitmaps_copy(NULL, res); } |