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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-04-24 12:51:28 +0200 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2013-05-15 12:13:53 +0300 |
| commit | 37f2ac36a9099b3489500ba79bb3831c8698feea (patch) | |
| tree | ad031c8897d6e8d7d48523d3b661b9631744bc96 /libavcodec/vc1.c | |
| parent | 0379fc1487d46445796903ab9cd4732cb7197bd2 (diff) | |
| download | ffmpeg-37f2ac36a9099b3489500ba79bb3831c8698feea.tar.gz | |
vc1: Simplify code by using INIT_LUT()
Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavcodec/vc1.c')
| -rw-r--r-- | libavcodec/vc1.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/libavcodec/vc1.c b/libavcodec/vc1.c index f94d52a428..b490165644 100644 --- a/libavcodec/vc1.c +++ b/libavcodec/vc1.c @@ -693,22 +693,7 @@ int ff_vc1_parse_frame_header(VC1Context *v, GetBitContext* gb) v->lumshift = get_bits(gb, 6); v->use_ic = 1; /* fill lookup tables for intensity compensation */ - if (!v->lumscale) { - scale = -64; - shift = (255 - v->lumshift * 2) << 6; - if (v->lumshift > 31) - shift += 128 << 6; - } else { - scale = v->lumscale + 32; - if (v->lumshift > 31) - shift = (v->lumshift - 64) << 6; - else - shift = v->lumshift << 6; - } - for (i = 0; i < 256; i++) { - v->luty[i] = av_clip_uint8((scale * i + shift + 32) >> 6); - v->lutuv[i] = av_clip_uint8((scale * (i - 128) + 128*64 + 32) >> 6); - } + INIT_LUT(v->lumscale, v->lumshift, v->luty, v->lutuv); } v->qs_last = v->s.quarter_sample; if (v->mv_mode == MV_PMODE_1MV_HPEL || v->mv_mode == MV_PMODE_1MV_HPEL_BILIN) |