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avcodec/vp56: Add () to protect TRANSPOSE()s arguments

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-02-17 18:57:26 +01:00
parent a00bab3475
commit 03dab49a12
1 changed files with 1 additions and 1 deletions
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libavcodec/vp56.c
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@ -701,7 +701,7 @@ av_cold int ff_vp56_init_context(AVCodecContext *avctx, VP56Context *s,
ff_vp3dsp_init(&s->vp3dsp, avctx->flags); ff_vp3dsp_init(&s->vp3dsp, avctx->flags);
ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id); ff_vp56dsp_init(&s->vp56dsp, avctx->codec->id);
for (i = 0; i < 64; i++) { for (i = 0; i < 64; i++) {
#define TRANSPOSE(x) (x >> 3) | ((x & 7) << 3) #define TRANSPOSE(x) (((x) >> 3) | (((x) & 7) << 3))
s->idct_scantable[i] = TRANSPOSE(ff_zigzag_direct[i]); s->idct_scantable[i] = TRANSPOSE(ff_zigzag_direct[i]);
#undef TRANSPOSE #undef TRANSPOSE
} }