-
-/*
- * H264 redefines mb_intra so it is not mistakely used (its uninitialized in h264)
- * but error concealment must support both h264 and h263 thus we must undo this
- */
-#undef mb_intra
-
-static void decode_mb(MpegEncContext *s, int ref)
-{
- s->dest[0] = s->current_picture.f.data[0] + (s->mb_y * 16 * s->linesize) + s->mb_x * 16;
- s->dest[1] = s->current_picture.f.data[1] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
- s->dest[2] = s->current_picture.f.data[2] + (s->mb_y * (16 >> s->chroma_y_shift) * s->uvlinesize) + s->mb_x * (16 >> s->chroma_x_shift);
-
- if (CONFIG_H264_DECODER && s->codec_id == CODEC_ID_H264) {
- H264Context *h = (void*)s;
- h->mb_xy = s->mb_x + s->mb_y * s->mb_stride;
- memset(h->non_zero_count_cache, 0, sizeof(h->non_zero_count_cache));
- assert(ref >= 0);
- /* FIXME: It is possible albeit uncommon that slice references
- * differ between slices. We take the easy approach and ignore
- * it for now. If this turns out to have any relevance in
- * practice then correct remapping should be added. */
- if (ref >= h->ref_count[0])
- ref = 0;
- fill_rectangle(&s->current_picture.f.ref_index[0][4 * h->mb_xy],
- 2, 2, 2, ref, 1);
- fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
- fill_rectangle(h->mv_cache[0][scan8[0]], 4, 4, 8,
- pack16to32(s->mv[0][0][0], s->mv[0][0][1]), 4);
- assert(!FRAME_MBAFF);
- ff_h264_hl_decode_mb(h);
- } else {
- assert(ref == 0);
- MPV_decode_mb(s, s->block);
- }
-}