avcodec/vc1: Combine identical checks
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
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@ -583,21 +583,23 @@ int ff_vc1_decode_entry_point(AVCodecContext *avctx, VC1Context *v, GetBitContex
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static void rotate_luts(VC1Context *v)
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{
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#define ROTATE(DEF, L, N, C, A) do { \
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if (v->s.pict_type == AV_PICTURE_TYPE_BI || v->s.pict_type == AV_PICTURE_TYPE_B) { \
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C = A; \
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} else { \
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if (v->s.pict_type == AV_PICTURE_TYPE_BI || v->s.pict_type == AV_PICTURE_TYPE_B) {
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v->curr_use_ic = &v->aux_use_ic;
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v->curr_luty = v->aux_luty;
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v->curr_lutuv = v->aux_lutuv;
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} else {
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#define ROTATE(DEF, L, N, C) do { \
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DEF; \
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memcpy(&tmp, L , sizeof(tmp)); \
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memcpy(L , N , sizeof(tmp)); \
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memcpy(N , &tmp, sizeof(tmp)); \
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C = N; \
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} \
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} while(0)
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ROTATE(int tmp, &v->last_use_ic, &v->next_use_ic, v->curr_use_ic, &v->aux_use_ic);
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ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty, v->aux_luty);
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ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv, v->aux_lutuv);
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ROTATE(int tmp, &v->last_use_ic, &v->next_use_ic, v->curr_use_ic);
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ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty);
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ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv);
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}
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INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0);
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INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0);
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