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vc1dec: factorize srcU/V offseting out
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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b5f4836f8c
commit
8e749733c1
@ -844,21 +844,24 @@ static void vc1_mc_4mv_chroma(VC1Context *v, int dir)
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if (!dir) {
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if (v->field_mode) {
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if ((v->cur_field_type != chroma_ref_type) && v->cur_field_type) {
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srcU = s->current_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcV = s->current_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcU = s->current_picture.f.data[1];
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srcV = s->current_picture.f.data[2];
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} else {
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srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcU = s->last_picture.f.data[1];
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srcV = s->last_picture.f.data[2];
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}
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} else {
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srcU = s->last_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcV = s->last_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcU = s->last_picture.f.data[1];
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srcV = s->last_picture.f.data[2];
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}
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} else {
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srcU = s->next_picture.f.data[1] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcV = s->next_picture.f.data[2] + uvsrc_y * s->uvlinesize + uvsrc_x;
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srcU = s->next_picture.f.data[1];
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srcV = s->next_picture.f.data[2];
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}
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srcU += uvsrc_y * s->uvlinesize + uvsrc_x;
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srcV += uvsrc_y * s->uvlinesize + uvsrc_x;
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if (v->field_mode) {
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if (chroma_ref_type) {
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srcU += s->current_picture_ptr->f.linesize[1];
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