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Make xform_quant operations tx_type independent 

The xform_quant() module is only used by inter modes, hence removing
the redundant switches therein conditioned on tx_type.

Change-Id: Ib87ce5b2f2e4cbf3ceb133a1108afa173c933a3f
This commit is contained in:
Jingning Han 2013-07-23 12:21:48 -07:00
Родитель 8dede954c7
Коммит e9e2fe8ec3
1 изменённых файлов: 9 добавлений и 22 удалений
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31
vp9/encoder/vp9_encodemb.c
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@ -438,7 +438,6 @@ void xform_quant(int plane, int block, BLOCK_SIZE_TYPE bsize,
int16_t *qcoeff = BLOCK_OFFSET(pd->qcoeff, block, 16);
int16_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block, 16);
const TX_SIZE tx_size = (TX_SIZE)(ss_txfrm_size / 2);
TX_TYPE tx_type;
const int16_t *scan, *iscan;
uint16_t *eob = &pd->eobs[block];
const int bwl = plane_block_width_log2by4(bsize, pd), bw = 1 << bwl;
@ -463,48 +462,36 @@ void xform_quant(int plane, int block, BLOCK_SIZE_TYPE bsize,
pd->dequant, p->zbin_extra, eob, scan, iscan);
break;
case TX_16X16:
tx_type = plane == 0 ? get_tx_type_16x16(xd) : DCT_DCT;
scan = get_scan_16x16(tx_type);
iscan = get_iscan_16x16(tx_type);
scan = vp9_default_scan_16x16;
iscan = vp9_default_iscan_16x16;
block >>= 4;
xoff = 16 * (block & twmask);
yoff = 16 * (block >> twl);
src_diff = p->src_diff + 4 * bw * yoff + xoff;
if (tx_type != DCT_DCT)
vp9_short_fht16x16(src_diff, coeff, bw * 4, tx_type);
else
x->fwd_txm16x16(src_diff, coeff, bw * 8);
x->fwd_txm16x16(src_diff, coeff, bw * 8);
vp9_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, p->zbin_extra, eob, scan, iscan);
break;
case TX_8X8:
tx_type = plane == 0 ? get_tx_type_8x8(xd) : DCT_DCT;
scan = get_scan_8x8(tx_type);
iscan = get_iscan_8x8(tx_type);
scan = vp9_default_scan_8x8;
iscan = vp9_default_iscan_8x8;
block >>= 2;
xoff = 8 * (block & twmask);
yoff = 8 * (block >> twl);
src_diff = p->src_diff + 4 * bw * yoff + xoff;
if (tx_type != DCT_DCT)
vp9_short_fht8x8(src_diff, coeff, bw * 4, tx_type);
else
x->fwd_txm8x8(src_diff, coeff, bw * 8);
x->fwd_txm8x8(src_diff, coeff, bw * 8);
vp9_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, p->zbin_extra, eob, scan, iscan);
break;
case TX_4X4:
tx_type = plane == 0 ? get_tx_type_4x4(xd, block) : DCT_DCT;
scan = get_scan_4x4(tx_type);
iscan = get_iscan_4x4(tx_type);
scan = vp9_default_scan_4x4;
iscan = vp9_default_iscan_4x4;
xoff = 4 * (block & twmask);
yoff = 4 * (block >> twl);
src_diff = p->src_diff + 4 * bw * yoff + xoff;
if (tx_type != DCT_DCT)
vp9_short_fht4x4(src_diff, coeff, bw * 4, tx_type);
else
x->fwd_txm4x4(src_diff, coeff, bw * 8);
x->fwd_txm4x4(src_diff, coeff, bw * 8);
vp9_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, p->zbin_extra, eob, scan, iscan);