2902 #define REBASE(pic) ((pic) ? (pic) - &s_src->frames[0] + &s->frames[0] : NULL)
2907     VP8Context *s = dst->priv_data, *s_src = src->priv_data;  in vp8_decode_update_thread_context()  local
2911         (s_src->mb_width != s->mb_width || s_src->mb_height != s->mb_height)) {  in vp8_decode_update_thread_context()
2913         s->mb_width  = s_src->mb_width;  in vp8_decode_update_thread_context()
2914         s->mb_height = s_src->mb_height;  in vp8_decode_update_thread_context()
2917     s->pix_fmt      = s_src->pix_fmt;  in vp8_decode_update_thread_context()
2918     s->prob[0]      = s_src->prob[!s_src->update_probabilities];  in vp8_decode_update_thread_context()
2919     s->segmentation = s_src->segmentation;  in vp8_decode_update_thread_context()
2920     s->lf_delta     = s_src->lf_delta;  in vp8_decode_update_thread_context()
2921     memcpy(s->sign_bias, s_src->sign_bias, sizeof(s->sign_bias));  in vp8_decode_update_thread_context()
2923     for (i = 0; i < FF_ARRAY_ELEMS(s_src->frames); i++) {  in vp8_decode_update_thread_context()
2924         if (s_src->frames[i].tf.f->buf[0]) {  in vp8_decode_update_thread_context()
2925             int ret = vp8_ref_frame(s, &s->frames[i], &s_src->frames[i]);  in vp8_decode_update_thread_context()
2931     s->framep[0] = REBASE(s_src->next_framep[0]);  in vp8_decode_update_thread_context()
2932     s->framep[1] = REBASE(s_src->next_framep[1]);  in vp8_decode_update_thread_context()
2933     s->framep[2] = REBASE(s_src->next_framep[2]);  in vp8_decode_update_thread_context()
2934     s->framep[3] = REBASE(s_src->next_framep[3]);  in vp8_decode_update_thread_context()