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rv34: move 4x4 dequant to RV34DSPContext

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Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard
2011-12-12 23:21:39 +00:00
parent 5cd56e193f
commit 40901fc14e
3 changed files with 19 additions and 16 deletions
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18
libavcodec/rv34.c
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@@ -288,20 +288,6 @@ static inline void rv34_decode_block(DCTELEM *dst, GetBitContext *gb, RV34VLC *r
}
/**
* Dequantize ordinary 4x4 block.
* @todo optimize
*/
static inline void rv34_dequant4x4(DCTELEM *block, int Qdc, int Q)
{
int i, j;
block[0] = (block[0] * Qdc + 8) >> 4;
for(i = 0; i < 4; i++)
for(j = !i; j < 4; j++)
block[j + i*8] = (block[j + i*8] * Q + 8) >> 4;
}
/**
* Dequantize 4x4 block of DC values for 16x16 macroblock.
* @todo optimize
@@ -1159,7 +1145,7 @@ static int rv34_decode_macroblock(RV34DecContext *r, int8_t *intra_types)
blkoff = ((i & 1) << 2) + ((i & 4) << 3);
if(cbp & 1)
rv34_decode_block(s->block[blknum] + blkoff, gb, r->cur_vlcs, r->luma_vlc, 0);
rv34_dequant4x4(s->block[blknum] + blkoff, rv34_qscale_tab[s->qscale],rv34_qscale_tab[s->qscale]);
r->rdsp.rv34_dequant4x4(s->block[blknum] + blkoff, rv34_qscale_tab[s->qscale],rv34_qscale_tab[s->qscale]);
if(r->is16) //FIXME: optimize
s->block[blknum][blkoff] = block16[(i & 3) | ((i & 0xC) << 1)];
r->rdsp.rv34_inv_transform_tab[0](s->block[blknum] + blkoff);
@@ -1171,7 +1157,7 @@ static int rv34_decode_macroblock(RV34DecContext *r, int8_t *intra_types)
blknum = ((i & 4) >> 2) + 4;
blkoff = ((i & 1) << 2) + ((i & 2) << 4);
rv34_decode_block(s->block[blknum] + blkoff, gb, r->cur_vlcs, r->chroma_vlc, 1);
rv34_dequant4x4(s->block[blknum] + blkoff, rv34_qscale_tab[rv34_chroma_quant[1][s->qscale]],rv34_qscale_tab[rv34_chroma_quant[0][s->qscale]]);
r->rdsp.rv34_dequant4x4(s->block[blknum] + blkoff, rv34_qscale_tab[rv34_chroma_quant[1][s->qscale]],rv34_qscale_tab[rv34_chroma_quant[0][s->qscale]]);
r->rdsp.rv34_inv_transform_tab[0](s->block[blknum] + blkoff);
}
if (IS_INTRA(s->current_picture_ptr->f.mb_type[mb_pos]))