diff options
Diffstat (limited to 'sub/ass_mp.c')
| -rw-r--r-- | sub/ass_mp.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sub/ass_mp.c b/sub/ass_mp.c index 202664578b..5766a847f8 100644 --- a/sub/ass_mp.c +++ b/sub/ass_mp.c @@ -264,6 +264,41 @@ void mp_ass_configure_fonts(ASS_Renderer *priv) free(family); } +void mp_ass_render_frame(ASS_Renderer *renderer, ASS_Track *track, double time, + struct sub_bitmap **parts, struct sub_bitmaps *res) +{ + int changed; + res->imgs = ass_render_frame(renderer, track, time, &changed); + if (changed == 2) + res->bitmap_id = ++res->bitmap_pos_id; + else if (changed) + res->bitmap_pos_id++; + res->format = SUBBITMAP_LIBASS; + + res->parts = *parts; + res->num_parts = 0; + int num_parts_alloc = MP_TALLOC_ELEMS(res->parts); + for (struct ass_image *img = res->imgs; img; img = img->next) { + if (img->w == 0 || img->h == 0) + continue; + if (res->num_parts >= num_parts_alloc) { + num_parts_alloc = FFMAX(num_parts_alloc * 2, 32); + res->parts = talloc_realloc(NULL, res->parts, struct sub_bitmap, + num_parts_alloc); + } + struct sub_bitmap *p = &res->parts[res->num_parts]; + p->bitmap = img->bitmap; + p->stride = img->stride; + p->libass.color = img->color; + p->dw = p->w = img->w; + p->dh = p->h = img->h; + p->x = img->dst_x; + p->y = img->dst_y; + res->num_parts++; + } + *parts = res->parts; +} + static int map_ass_level[] = { MSGL_ERR, // 0 "FATAL errors" MSGL_WARN, |