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Code Issues Releases Activity

avcodec/xvididct: Remove always-true checks

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ff_xvid_idct_init() is now only called from ff_idctdsp_init()
and only if idct_algo is FF_IDCT_XVID.
This also implies that it is unnecessary to initalize
the permutation on our own.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2025-05-20 22:31:47 +02:00
parent eb5d900f87
commit 6349a3324d
1 changed files with 5 additions and 11 deletions
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16
libavcodec/xvididct.c
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@ -334,23 +334,17 @@ av_cold void ff_xvid_idct_init(IDCTDSPContext *c, AVCodecContext *avctx)
{ {
const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8; const unsigned high_bit_depth = avctx->bits_per_raw_sample > 8;
if (high_bit_depth || avctx->lowres || if (high_bit_depth || avctx->lowres)
!(avctx->idct_algo == FF_IDCT_AUTO ||
avctx->idct_algo == FF_IDCT_XVID))
return; return;
if (avctx->idct_algo == FF_IDCT_XVID) { c->idct_put = xvid_idct_put;
c->idct_put = xvid_idct_put; c->idct_add = xvid_idct_add;
c->idct_add = xvid_idct_add; c->idct = ff_xvid_idct;
c->idct = ff_xvid_idct; c->perm_type = FF_IDCT_PERM_NONE;
c->perm_type = FF_IDCT_PERM_NONE;
}
#if ARCH_X86 #if ARCH_X86
ff_xvid_idct_init_x86(c); ff_xvid_idct_init_x86(c);
#elif ARCH_MIPS #elif ARCH_MIPS
ff_xvid_idct_init_mips(c); ff_xvid_idct_init_mips(c);
#endif #endif
ff_init_scantable_permutation(c->idct_permutation, c->perm_type);
} }