diff options
Diffstat (limited to 'sub/img_convert.c')
| -rw-r--r-- | sub/img_convert.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/sub/img_convert.c b/sub/img_convert.c index 78be881fdf..e49b7785af 100644 --- a/sub/img_convert.c +++ b/sub/img_convert.c @@ -109,103 +109,6 @@ bool osd_scale_rgba(struct osd_conv_cache *c, struct sub_bitmaps *imgs) return true; } -static void draw_ass_rgba(unsigned char *src, int src_w, int src_h, - int src_stride, unsigned char *dst, size_t dst_stride, - int dst_x, int dst_y, uint32_t color) -{ - const unsigned int r = (color >> 24) & 0xff; - const unsigned int g = (color >> 16) & 0xff; - const unsigned int b = (color >> 8) & 0xff; - const unsigned int a = 0xff - (color & 0xff); - - dst += dst_y * dst_stride + dst_x * 4; - - for (int y = 0; y < src_h; y++, dst += dst_stride, src += src_stride) { - uint32_t *dstrow = (uint32_t *) dst; - for (int x = 0; x < src_w; x++) { - const unsigned int v = src[x]; - int rr = (r * a * v); - int gg = (g * a * v); - int bb = (b * a * v); - int aa = a * v; - uint32_t dstpix = dstrow[x]; - unsigned int dstb = dstpix & 0xFF; - unsigned int dstg = (dstpix >> 8) & 0xFF; - unsigned int dstr = (dstpix >> 16) & 0xFF; - unsigned int dsta = (dstpix >> 24) & 0xFF; - dstb = (bb + dstb * (255 * 255 - aa)) / (255 * 255); - dstg = (gg + dstg * (255 * 255 - aa)) / (255 * 255); - dstr = (rr + dstr * (255 * 255 - aa)) / (255 * 255); - dsta = (aa * 255 + dsta * (255 * 255 - aa)) / (255 * 255); - dstrow[x] = dstb | (dstg << 8) | (dstr << 16) | (dsta << 24); - } - } -} - -bool osd_conv_ass_to_rgba(struct osd_conv_cache *c, struct sub_bitmaps *imgs) -{ - struct sub_bitmaps src = *imgs; - if (src.format != SUBBITMAP_LIBASS) - return false; - assert(!src.scaled); // ASS is always unscaled - - struct mp_rect bb_list[MP_SUB_BB_LIST_MAX]; - int num_bb = mp_get_sub_bb_list(&src, bb_list, MP_SUB_BB_LIST_MAX); - - imgs->format = SUBBITMAP_RGBA; - imgs->parts = c->part; - imgs->num_parts = num_bb; - imgs->packed = NULL; - - size_t newsize = 0; - for (int n = 0; n < num_bb; n++) { - struct mp_rect bb = bb_list[n]; - int w = bb.x1 - bb.x0; - int h = bb.y1 - bb.y0; - int stride = w * 4; - newsize += h * stride; - } - - if (talloc_get_size(c->scratch) < newsize) { - talloc_free(c->scratch); - c->scratch = talloc_array(c, uint8_t, newsize); - } - - uint8_t *data = c->scratch; - - for (int n = 0; n < num_bb; n++) { - struct mp_rect bb = bb_list[n]; - struct sub_bitmap *bmp = &c->part[n]; - - bmp->x = bb.x0; - bmp->y = bb.y0; - bmp->w = bmp->dw = bb.x1 - bb.x0; - bmp->h = bmp->dh = bb.y1 - bb.y0; - bmp->stride = bmp->w * 4; - bmp->bitmap = data; - data += bmp->h * bmp->stride; - - memset_pic(bmp->bitmap, 0, bmp->w * 4, bmp->h, bmp->stride); - - for (int p = 0; p < src.num_parts; p++) { - struct sub_bitmap *s = &src.parts[p]; - - // Assume mp_get_sub_bb_list() never splits sub bitmaps - // So we don't clip/adjust the size of the sub bitmap - if (s->x > bb.x1 || s->x + s->w < bb.x0 || - s->y > bb.y1 || s->y + s->h < bb.y0) - continue; - - draw_ass_rgba(s->bitmap, s->w, s->h, s->stride, - bmp->bitmap, bmp->stride, - s->x - bb.x0, s->y - bb.y0, - s->libass.color); - } - } - - return true; -} - bool mp_sub_bitmaps_bb(struct sub_bitmaps *imgs, struct mp_rect *out_bb) { struct mp_rect bb = {INT_MAX, INT_MAX, INT_MIN, INT_MIN}; |