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Simplify left_xy init
Originally committed as revision 21470 to svn://svn.ffmpeg.org/ffmpeg/trunk
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@ -1144,16 +1144,14 @@ static int fill_filter_caches(H264Context *h, int mb_type){
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const int curr_mb_field_flag = IS_INTERLACED(mb_type);
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if(s->mb_y&1){
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if (left_mb_field_flag != curr_mb_field_flag) {
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left_xy[0] = mb_xy - s->mb_stride - 1;
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left_xy[1] = mb_xy - 1;
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left_xy[0] -= s->mb_stride;
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}
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}else{
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if(curr_mb_field_flag){
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top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);
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}
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if (left_mb_field_flag != curr_mb_field_flag) {
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left_xy[0] = mb_xy - 1;
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left_xy[1] = mb_xy + s->mb_stride - 1;
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left_xy[1] += s->mb_stride;
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}
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}
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}
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