uvsrc_x = av_clip(uvsrc_x, -8, s->avctx->coded_width >> 1);
uvsrc_y = av_clip(uvsrc_y, -8, s->avctx->coded_height >> 1);
if (i < 2 ? dir : dir2) {
- srcU = s->next_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->next_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->next_picture.f.data[1];
+ srcV = s->next_picture.f.data[2];
lutuv = v->next_lutuv;
use_ic = v->next_use_ic;
} else {
- srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->last_picture.f.data[1];
+ srcV = s->last_picture.f.data[2];
lutuv = v->last_lutuv;
use_ic = v->last_use_ic;
}
+ if (!srcU)
+ return;
+ srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
uvmx_field[i] = (uvmx_field[i] & 3) << 1;
uvmy_field[i] = (uvmy_field[i] & 3) << 1;
} else if (!field_b && b_valid) {
px = B[0];
py = B[1];
- } else if (c_valid) {
+ } else /*if (c_valid)*/ {
+ av_assert1(c_valid);
px = C[0];
py = C[1];
- } else px = py = 0;
+ } /*else px = py = 0;*/
} else {
if (field_a && a_valid) {
px = A[0];
py = A[1];
- } else if (field_b && b_valid) {
+ } else /*if (field_b && b_valid)*/ {
+ av_assert1(field_b && b_valid);
px = B[0];
py = B[1];
- } else if (c_valid) {
+ } /*else if (c_valid) {
px = C[0];
py = C[1];
- }
+ }*/
}
} else if (total_valid == 1) {
px = (a_valid) ? A[0] : ((b_valid) ? B[0] : C[0]);