}
}
+ if(!srcY)
+ return;
+
src_x = s->mb_x * 16 + (mx >> 2);
src_y = s->mb_y * 16 + (my >> 2);
uvsrc_x = s->mb_x * 8 + (uvmx >> 2);
} else
srcY = s->next_picture.f.data[0];
+ if(!srcY)
+ return;
+
if (v->field_mode) {
if (v->cur_field_type != v->ref_field_type[dir])
my = my - 2 + 4 * v->cur_field_type;
if (!dir) {
if (v->field_mode) {
if ((v->cur_field_type != chroma_ref_type) && v->cur_field_type) {
- srcU = s->current_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
- srcV = s->current_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcU = s->current_picture.f.data[1];
+ srcV = s->current_picture.f.data[2];
} 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];
}
} 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];
}
} else {
- 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];
}
+ if(!srcU)
+ return;
+
+ srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
+ srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
+
if (v->field_mode) {
if (chroma_ref_type) {
srcU += s->current_picture_ptr->f.linesize[1];
goto err;
}
+ if ((s->mb_height >> v->field_mode) == 0) {
+ av_log(v->s.avctx, AV_LOG_ERROR, "image too short\n");
+ goto err;
+ }
+
// process pulldown flags
s->current_picture_ptr->f.repeat_pict = 0;
// Pulldown flags are only valid when 'broadcast' has been set.