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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-12-22 14:37:30 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-12-22 14:59:31 +0100 |
| commit | 64b98df38910bfb921988a0be89da3038274232e (patch) | |
| tree | 07b1993420d14940fbb1ded2e24f567d44409526 /libavcodec/vc1.c | |
| parent | ed5bed4152203aed8cce01a679bed67bbda8903f (diff) | |
| download | ffmpeg-64b98df38910bfb921988a0be89da3038274232e.tar.gz | |
vc1: simplify *_use_ic initialization
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/vc1.c')
| -rw-r--r-- | libavcodec/vc1.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index 5391e85c09..fb33e6ffb5 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -596,24 +596,20 @@ static void rotate_luts(VC1Context *v) C = A; \ } else { \ DEF; \ - memcpy(&tmp, &L , sizeof(tmp)); \ - memcpy(&L , &N , sizeof(tmp)); \ - memcpy(&N , &tmp, sizeof(tmp)); \ + memcpy(&tmp, L , sizeof(tmp)); \ + memcpy(L , N , sizeof(tmp)); \ + memcpy(N , &tmp, sizeof(tmp)); \ C = N; \ } \ } while(0) - ROTATE(int tmp, v->last_use_ic, v->next_use_ic, v->curr_use_ic, v->aux_use_ic); + ROTATE(int *tmp, &v->last_use_ic, &v->next_use_ic, v->curr_use_ic, &v->aux_use_ic); ROTATE(uint8_t tmp[2][256], v->last_luty, v->next_luty, v->curr_luty, v->aux_luty); ROTATE(uint8_t tmp[2][256], v->last_lutuv, v->next_lutuv, v->curr_lutuv, v->aux_lutuv); INIT_LUT(32, 0, v->curr_luty[0], v->curr_lutuv[0], 0); INIT_LUT(32, 0, v->curr_luty[1], v->curr_lutuv[1], 0); - v->curr_use_ic = 0; - if (v->curr_luty == v->next_luty) { - // If we just initialized next_lut, clear next_use_ic to match. - v->next_use_ic = 0; - } + *v->curr_use_ic = 0; } int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) @@ -1108,7 +1104,7 @@ int ff_vc1_parse_frame_header_adv(VC1Context *v, GetBitContext* gb) INIT_LUT(v->lumscale2, v->lumshift2, v->curr_luty[v->cur_field_type^1], v->curr_lutuv[v->cur_field_type^1], 0); INIT_LUT(v->lumscale , v->lumshift , v->last_luty[v->cur_field_type ], v->last_lutuv[v->cur_field_type ], 1); } - v->next_use_ic = v->curr_use_ic = 1; + v->next_use_ic = *v->curr_use_ic = 1; } else { INIT_LUT(v->lumscale , v->lumshift , v->last_luty[0], v->last_lutuv[0], 1); INIT_LUT(v->lumscale2, v->lumshift2, v->last_luty[1], v->last_lutuv[1], 1); |