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Remove lowres video decoding

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This feature is complex, of questionable utility, and slows down
normal decoding.

Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard
2012-04-12 13:55:49 +01:00
parent 95510be8c3
commit 2bcbd98459
34 changed files with 56 additions and 755 deletions
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8
libavcodec/dv.c
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@@ -311,13 +311,7 @@ av_cold int ff_dvvideo_init(AVCodecContext *avctx)
/* 248DCT setup */
s->fdct[1] = dsp.fdct248;
s->idct_put[1] = ff_simple_idct248_put; // FIXME: need to add it to DSP
if (avctx->lowres){
for (i = 0; i < 64; i++){
int j = ff_zigzag248_direct[i];
s->dv_zigzag[1][i] = dsp.idct_permutation[(j & 7) + (j & 8) * 4 + (j & 48) / 2];
}
}else
memcpy(s->dv_zigzag[1], ff_zigzag248_direct, 64);
memcpy(s->dv_zigzag[1], ff_zigzag248_direct, 64);
avctx->coded_frame = &s->picture;
s->avctx = avctx;