static av_always_inline void xchg_mb_border(H264Context *h, uint8_t *src_y, uint8_t *src_cb, uint8_t *src_cr, int linesize, int uvlinesize, int xchg, int chroma444, int simple, int pixel_shift) { int deblock_topleft; int deblock_top; int top_idx = 1; uint8_t *top_border_m1; uint8_t *top_border; if (!simple && FRAME_MBAFF(h)) { if (h->mb_y & 1) { if (!MB_MBAFF(h)) return; } else { top_idx = MB_MBAFF(h) ? 0 : 1; } } if (h->deblocking_filter == 2) { deblock_topleft = h->slice_table[h->mb_xy - 1 - h->mb_stride] == h->slice_num; deblock_top = h->top_type; } else { deblock_topleft = (h->mb_x > 0); deblock_top = (h->mb_y > !!MB_FIELD(h)); } src_y -= linesize + 1 + pixel_shift; src_cb -= uvlinesize + 1 + pixel_shift; src_cr -= uvlinesize + 1 + pixel_shift; top_border_m1 = h->top_borders[top_idx][h->mb_x - 1]; top_border = h->top_borders[top_idx][h->mb_x]; #define XCHG(a, b, xchg) \ if (pixel_shift) { \ if (xchg) { \ AV_SWAP64(b + 0, a + 0); \ AV_SWAP64(b + 8, a + 8); \ } else { \ AV_COPY128(b, a); \ } \ } else if (xchg) \ AV_SWAP64(b, a); \ else \ AV_COPY64(b, a); if (deblock_top) { if (deblock_topleft) { XCHG(top_border_m1 + (8 << pixel_shift), src_y - (7 << pixel_shift), 1); } XCHG(top_border + (0 << pixel_shift), src_y + (1 << pixel_shift), xchg); XCHG(top_border + (8 << pixel_shift), src_y + (9 << pixel_shift), 1); if (h->mb_x + 1 < h->mb_width) { XCHG(h->top_borders[top_idx][h->mb_x + 1], src_y + (17 << pixel_shift), 1); } } if (simple || !CONFIG_GRAY || !(h->flags & CODEC_FLAG_GRAY)) { if (chroma444) { if (deblock_topleft) { XCHG(top_border_m1 + (24 << pixel_shift), src_cb - (7 << pixel_shift), 1); XCHG(top_border_m1 + (40 << pixel_shift), src_cr - (7 << pixel_shift), 1); } XCHG(top_border + (16 << pixel_shift), src_cb + (1 << pixel_shift), xchg); XCHG(top_border + (24 << pixel_shift), src_cb + (9 << pixel_shift), 1); XCHG(top_border + (32 << pixel_shift), src_cr + (1 << pixel_shift), xchg); XCHG(top_border + (40 << pixel_shift), src_cr + (9 << pixel_shift), 1); if (h->mb_x + 1 < h->mb_width) { XCHG(h->top_borders[top_idx][h->mb_x + 1] + (16 << pixel_shift), src_cb + (17 << pixel_shift), 1); XCHG(h->top_borders[top_idx][h->mb_x + 1] + (32 << pixel_shift), src_cr + (17 << pixel_shift), 1); } } else { if (deblock_top) { if (deblock_topleft) { XCHG(top_border_m1 + (16 << pixel_shift), src_cb - (7 << pixel_shift), 1); XCHG(top_border_m1 + (24 << pixel_shift), src_cr - (7 << pixel_shift), 1); } XCHG(top_border + (16 << pixel_shift), src_cb + 1 + pixel_shift, 1); XCHG(top_border + (24 << pixel_shift), src_cr + 1 + pixel_shift, 1); } } } }