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vpx/vp9/encoder/vp9_encodemb.c
Jingning Han 5180368403 Allow encoder to force all zero coefficient block 
This commit allows the encoder to force all zero quantized
coefficient block per transform block, if that provides better
rate-distortion trade-off.

Change-Id: I5b57b28cccd257ebfaf7c1749dda7be482abc834
2015-06-12 09:18:10 -07:00

1183 lines
45 KiB
C
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/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "./vp9_rtcd.h"
#include "./vpx_config.h"
#include "vpx_mem/vpx_mem.h"
#include "vp9/common/vp9_idct.h"
#include "vp9/common/vp9_reconinter.h"
#include "vp9/common/vp9_reconintra.h"
#include "vp9/common/vp9_systemdependent.h"
#include "vp9/encoder/vp9_encodemb.h"
#include "vp9/encoder/vp9_quantize.h"
#include "vp9/encoder/vp9_rd.h"
#include "vp9/encoder/vp9_tokenize.h"
struct optimize_ctx {
ENTROPY_CONTEXT ta[MAX_MB_PLANE][16];
ENTROPY_CONTEXT tl[MAX_MB_PLANE][16];
};
void vp9_subtract_block_c(int rows, int cols,
int16_t *diff, ptrdiff_t diff_stride,
const uint8_t *src, ptrdiff_t src_stride,
const uint8_t *pred, ptrdiff_t pred_stride) {
int r, c;
for (r = 0; r < rows; r++) {
for (c = 0; c < cols; c++)
diff[c] = src[c] - pred[c];
diff += diff_stride;
pred += pred_stride;
src += src_stride;
}
}
#if CONFIG_VP9_HIGHBITDEPTH
void vp9_highbd_subtract_block_c(int rows, int cols,
int16_t *diff, ptrdiff_t diff_stride,
const uint8_t *src8, ptrdiff_t src_stride,
const uint8_t *pred8, ptrdiff_t pred_stride,
int bd) {
int r, c;
uint16_t *src = CONVERT_TO_SHORTPTR(src8);
uint16_t *pred = CONVERT_TO_SHORTPTR(pred8);
(void) bd;
for (r = 0; r < rows; r++) {
for (c = 0; c < cols; c++) {
diff[c] = src[c] - pred[c];
}
diff += diff_stride;
pred += pred_stride;
src += src_stride;
}
}
#endif // CONFIG_VP9_HIGHBITDEPTH
void vp9_subtract_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) {
struct macroblock_plane *const p = &x->plane[plane];
const struct macroblockd_plane *const pd = &x->e_mbd.plane[plane];
const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
const int bw = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
const int bh = 4 * num_4x4_blocks_high_lookup[plane_bsize];
#if CONFIG_VP9_HIGHBITDEPTH
if (x->e_mbd.cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
vp9_highbd_subtract_block(bh, bw, p->src_diff, bw, p->src.buf,
p->src.stride, pd->dst.buf, pd->dst.stride,
x->e_mbd.bd);
return;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
vp9_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride,
pd->dst.buf, pd->dst.stride);
}
#define RDTRUNC(RM, DM, R, D) ((128 + (R) * (RM)) & 0xFF)
typedef struct vp9_token_state {
int rate;
int error;
int next;
int16_t token;
short qc;
} vp9_token_state;
// TODO(jimbankoski): experiment to find optimal RD numbers.
static const int plane_rd_mult[PLANE_TYPES] = { 4, 2 };
#define UPDATE_RD_COST()\
{\
rd_cost0 = RDCOST(rdmult, rddiv, rate0, error0);\
rd_cost1 = RDCOST(rdmult, rddiv, rate1, error1);\
if (rd_cost0 == rd_cost1) {\
rd_cost0 = RDTRUNC(rdmult, rddiv, rate0, error0);\
rd_cost1 = RDTRUNC(rdmult, rddiv, rate1, error1);\
}\
}
// This function is a place holder for now but may ultimately need
// to scan previous tokens to work out the correct context.
static int trellis_get_coeff_context(const int16_t *scan,
const int16_t *nb,
int idx, int token,
uint8_t *token_cache) {
int bak = token_cache[scan[idx]], pt;
token_cache[scan[idx]] = vp9_pt_energy_class[token];
pt = get_coef_context(nb, token_cache, idx + 1);
token_cache[scan[idx]] = bak;
return pt;
}
static int optimize_b(MACROBLOCK *mb, int plane, int block,
TX_SIZE tx_size, int ctx) {
MACROBLOCKD *const xd = &mb->e_mbd;
struct macroblock_plane *const p = &mb->plane[plane];
struct macroblockd_plane *const pd = &xd->plane[plane];
const int ref = is_inter_block(&xd->mi[0].src_mi->mbmi);
vp9_token_state tokens[1025][2];
unsigned best_index[1025][2];
uint8_t token_cache[1024];
const tran_low_t *const coeff = BLOCK_OFFSET(mb->plane[plane].coeff, block);
tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
const int eob = p->eobs[block];
const PLANE_TYPE type = pd->plane_type;
const int default_eob = 16 << (tx_size << 1);
const int mul = 1 + (tx_size == TX_32X32);
const int16_t *dequant_ptr = pd->dequant;
const uint8_t *const band_translate = get_band_translate(tx_size);
const scan_order *const so = get_scan(xd, tx_size, type, block);
const int16_t *const scan = so->scan;
const int16_t *const nb = so->neighbors;
int next = eob, sz = 0;
int64_t rdmult = mb->rdmult * plane_rd_mult[type], rddiv = mb->rddiv;
int64_t rd_cost0, rd_cost1;
int rate0, rate1, error0, error1;
int16_t t0, t1;
EXTRABIT e0;
int best, band, pt, i, final_eob;
#if CONFIG_VP9_HIGHBITDEPTH
const int16_t *cat6_high_cost = vp9_get_high_cost_table(xd->bd);
#else
const int16_t *cat6_high_cost = vp9_get_high_cost_table(8);
#endif
assert((!type && !plane) || (type && plane));
assert(eob <= default_eob);
/* Now set up a Viterbi trellis to evaluate alternative roundings. */
if (!ref)
rdmult = (rdmult * 9) >> 4;
/* Initialize the sentinel node of the trellis. */
tokens[eob][0].rate = 0;
tokens[eob][0].error = 0;
tokens[eob][0].next = default_eob;
tokens[eob][0].token = EOB_TOKEN;
tokens[eob][0].qc = 0;
tokens[eob][1] = tokens[eob][0];
for (i = 0; i < eob; i++)
token_cache[scan[i]] =
vp9_pt_energy_class[vp9_get_token(qcoeff[scan[i]])];
for (i = eob; i-- > 0;) {
int base_bits, d2, dx;
const int rc = scan[i];
int x = qcoeff[rc];
/* Only add a trellis state for non-zero coefficients. */
if (x) {
int shortcut = 0;
error0 = tokens[next][0].error;
error1 = tokens[next][1].error;
/* Evaluate the first possibility for this state. */
rate0 = tokens[next][0].rate;
rate1 = tokens[next][1].rate;
vp9_get_token_extra(x, &t0, &e0);
/* Consider both possible successor states. */
if (next < default_eob) {
band = band_translate[i + 1];
pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache);
rate0 += mb->token_costs[tx_size][type][ref][band][0][pt]
[tokens[next][0].token];
rate1 += mb->token_costs[tx_size][type][ref][band][0][pt]
[tokens[next][1].token];
}
UPDATE_RD_COST();
/* And pick the best. */
best = rd_cost1 < rd_cost0;
base_bits = vp9_get_cost(t0, e0, cat6_high_cost);
dx = mul * (dqcoeff[rc] - coeff[rc]);
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
dx >>= xd->bd - 8;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
d2 = dx * dx;
tokens[i][0].rate = base_bits + (best ? rate1 : rate0);
tokens[i][0].error = d2 + (best ? error1 : error0);
tokens[i][0].next = next;
tokens[i][0].token = t0;
tokens[i][0].qc = x;
best_index[i][0] = best;
/* Evaluate the second possibility for this state. */
rate0 = tokens[next][0].rate;
rate1 = tokens[next][1].rate;
if ((abs(x) * dequant_ptr[rc != 0] > abs(coeff[rc]) * mul) &&
(abs(x) * dequant_ptr[rc != 0] < abs(coeff[rc]) * mul +
dequant_ptr[rc != 0]))
shortcut = 1;
else
shortcut = 0;
if (shortcut) {
sz = -(x < 0);
x -= 2 * sz + 1;
}
/* Consider both possible successor states. */
if (!x) {
/* If we reduced this coefficient to zero, check to see if
* we need to move the EOB back here.
*/
t0 = tokens[next][0].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN;
t1 = tokens[next][1].token == EOB_TOKEN ? EOB_TOKEN : ZERO_TOKEN;
e0 = 0;
} else {
vp9_get_token_extra(x, &t0, &e0);
t1 = t0;
}
if (next < default_eob) {
band = band_translate[i + 1];
if (t0 != EOB_TOKEN) {
pt = trellis_get_coeff_context(scan, nb, i, t0, token_cache);
rate0 += mb->token_costs[tx_size][type][ref][band][!x][pt]
[tokens[next][0].token];
}
if (t1 != EOB_TOKEN) {
pt = trellis_get_coeff_context(scan, nb, i, t1, token_cache);
rate1 += mb->token_costs[tx_size][type][ref][band][!x][pt]
[tokens[next][1].token];
}
}
UPDATE_RD_COST();
/* And pick the best. */
best = rd_cost1 < rd_cost0;
base_bits = vp9_get_cost(t0, e0, cat6_high_cost);
if (shortcut) {
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
dx -= ((dequant_ptr[rc != 0] >> (xd->bd - 8)) + sz) ^ sz;
} else {
dx -= (dequant_ptr[rc != 0] + sz) ^ sz;
}
#else
dx -= (dequant_ptr[rc != 0] + sz) ^ sz;
#endif // CONFIG_VP9_HIGHBITDEPTH
d2 = dx * dx;
}
tokens[i][1].rate = base_bits + (best ? rate1 : rate0);
tokens[i][1].error = d2 + (best ? error1 : error0);
tokens[i][1].next = next;
tokens[i][1].token = best ? t1 : t0;
tokens[i][1].qc = x;
best_index[i][1] = best;
/* Finally, make this the new head of the trellis. */
next = i;
} else {
/* There's no choice to make for a zero coefficient, so we don't
* add a new trellis node, but we do need to update the costs.
*/
band = band_translate[i + 1];
t0 = tokens[next][0].token;
t1 = tokens[next][1].token;
/* Update the cost of each path if we're past the EOB token. */
if (t0 != EOB_TOKEN) {
tokens[next][0].rate +=
mb->token_costs[tx_size][type][ref][band][1][0][t0];
tokens[next][0].token = ZERO_TOKEN;
}
if (t1 != EOB_TOKEN) {
tokens[next][1].rate +=
mb->token_costs[tx_size][type][ref][band][1][0][t1];
tokens[next][1].token = ZERO_TOKEN;
}
best_index[i][0] = best_index[i][1] = 0;
/* Don't update next, because we didn't add a new node. */
}
}
/* Now pick the best path through the whole trellis. */
band = band_translate[i + 1];
rate0 = tokens[next][0].rate;
rate1 = tokens[next][1].rate;
error0 = tokens[next][0].error;
error1 = tokens[next][1].error;
t0 = tokens[next][0].token;
t1 = tokens[next][1].token;
rate0 += mb->token_costs[tx_size][type][ref][band][0][ctx][t0];
rate1 += mb->token_costs[tx_size][type][ref][band][0][ctx][t1];
UPDATE_RD_COST();
best = rd_cost1 < rd_cost0;
final_eob = -1;
vpx_memset(qcoeff, 0, sizeof(*qcoeff) * (16 << (tx_size * 2)));
vpx_memset(dqcoeff, 0, sizeof(*dqcoeff) * (16 << (tx_size * 2)));
for (i = next; i < eob; i = next) {
const int x = tokens[i][best].qc;
const int rc = scan[i];
if (x) {
final_eob = i;
}
qcoeff[rc] = x;
dqcoeff[rc] = (x * dequant_ptr[rc != 0]) / mul;
next = tokens[i][best].next;
best = best_index[i][best];
}
final_eob++;
mb->plane[plane].eobs[block] = final_eob;
return final_eob;
}
static INLINE void fdct32x32(int rd_transform,
const int16_t *src, tran_low_t *dst,
int src_stride) {
if (rd_transform)
vp9_fdct32x32_rd(src, dst, src_stride);
else
vp9_fdct32x32(src, dst, src_stride);
}
#if CONFIG_VP9_HIGHBITDEPTH
static INLINE void highbd_fdct32x32(int rd_transform, const int16_t *src,
tran_low_t *dst, int src_stride) {
if (rd_transform)
vp9_highbd_fdct32x32_rd(src, dst, src_stride);
else
vp9_highbd_fdct32x32(src, dst, src_stride);
}
#endif // CONFIG_VP9_HIGHBITDEPTH
void vp9_xform_quant_fp(MACROBLOCK *x, int plane, int block,
BLOCK_SIZE plane_bsize, TX_SIZE tx_size) {
MACROBLOCKD *const xd = &x->e_mbd;
const struct macroblock_plane *const p = &x->plane[plane];
const struct macroblockd_plane *const pd = &xd->plane[plane];
const scan_order *const scan_order = &vp9_default_scan_orders[tx_size];
tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
uint16_t *const eob = &p->eobs[block];
const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
int i, j;
const int16_t *src_diff;
txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
src_diff = &p->src_diff[4 * (j * diff_stride + i)];
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
switch (tx_size) {
case TX_32X32:
highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
vp9_highbd_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin,
p->round_fp, p->quant_fp, p->quant_shift,
qcoeff, dqcoeff, pd->dequant,
eob, scan_order->scan,
scan_order->iscan);
break;
case TX_16X16:
vp9_highbd_fdct16x16(src_diff, coeff, diff_stride);
vp9_highbd_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp,
p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_8X8:
vp9_highbd_fdct8x8(src_diff, coeff, diff_stride);
vp9_highbd_quantize_fp(coeff, 64, x->skip_block, p->zbin, p->round_fp,
p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_4X4:
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_highbd_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp,
p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
default:
assert(0);
}
return;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
switch (tx_size) {
case TX_32X32:
fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
vp9_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin, p->round_fp,
p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob, scan_order->scan,
scan_order->iscan);
break;
case TX_16X16:
vp9_fdct16x16(src_diff, coeff, diff_stride);
vp9_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp,
p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_8X8:
vp9_fdct8x8_quant(src_diff, diff_stride, coeff, 64,
x->skip_block, p->zbin, p->round_fp,
p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_4X4:
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp,
p->quant_fp, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
default:
assert(0);
break;
}
}
void vp9_xform_quant_dc(MACROBLOCK *x, int plane, int block,
BLOCK_SIZE plane_bsize, TX_SIZE tx_size) {
MACROBLOCKD *const xd = &x->e_mbd;
const struct macroblock_plane *const p = &x->plane[plane];
const struct macroblockd_plane *const pd = &xd->plane[plane];
tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
uint16_t *const eob = &p->eobs[block];
const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
int i, j;
const int16_t *src_diff;
txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
src_diff = &p->src_diff[4 * (j * diff_stride + i)];
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
switch (tx_size) {
case TX_32X32:
vp9_highbd_fdct32x32_1(src_diff, coeff, diff_stride);
vp9_highbd_quantize_dc_32x32(coeff, x->skip_block, p->round,
p->quant_fp[0], qcoeff, dqcoeff,
pd->dequant[0], eob);
break;
case TX_16X16:
vp9_highbd_fdct16x16_1(src_diff, coeff, diff_stride);
vp9_highbd_quantize_dc(coeff, 256, x->skip_block, p->round,
p->quant_fp[0], qcoeff, dqcoeff,
pd->dequant[0], eob);
break;
case TX_8X8:
vp9_highbd_fdct8x8_1(src_diff, coeff, diff_stride);
vp9_highbd_quantize_dc(coeff, 64, x->skip_block, p->round,
p->quant_fp[0], qcoeff, dqcoeff,
pd->dequant[0], eob);
break;
case TX_4X4:
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_highbd_quantize_dc(coeff, 16, x->skip_block, p->round,
p->quant_fp[0], qcoeff, dqcoeff,
pd->dequant[0], eob);
break;
default:
assert(0);
}
return;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
switch (tx_size) {
case TX_32X32:
vp9_fdct32x32_1(src_diff, coeff, diff_stride);
vp9_quantize_dc_32x32(coeff, x->skip_block, p->round,
p->quant_fp[0], qcoeff, dqcoeff,
pd->dequant[0], eob);
break;
case TX_16X16:
vp9_fdct16x16_1(src_diff, coeff, diff_stride);
vp9_quantize_dc(coeff, 256, x->skip_block, p->round,
p->quant_fp[0], qcoeff, dqcoeff,
pd->dequant[0], eob);
break;
case TX_8X8:
vp9_fdct8x8_1(src_diff, coeff, diff_stride);
vp9_quantize_dc(coeff, 64, x->skip_block, p->round,
p->quant_fp[0], qcoeff, dqcoeff,
pd->dequant[0], eob);
break;
case TX_4X4:
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_quantize_dc(coeff, 16, x->skip_block, p->round,
p->quant_fp[0], qcoeff, dqcoeff,
pd->dequant[0], eob);
break;
default:
assert(0);
break;
}
}
void vp9_xform_quant_inter(MACROBLOCK *x, int plane, int block,
int blk_row, int blk_col,
BLOCK_SIZE plane_bsize, TX_SIZE tx_size) {
MACROBLOCKD *const xd = &x->e_mbd;
const struct macroblock_plane *const p = &x->plane[plane];
const struct macroblockd_plane *const pd = &xd->plane[plane];
const scan_order *const scan_order = &vp9_default_scan_orders[tx_size];
tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
uint16_t *const eob = &p->eobs[block];
const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
const int16_t *src_diff;
src_diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)];
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
switch (tx_size) {
case TX_32X32:
highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
vp9_highbd_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin,
p->round, p->quant, p->quant_shift, qcoeff,
dqcoeff, pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_16X16:
vp9_highbd_fdct16x16(src_diff, coeff, diff_stride);
vp9_highbd_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_8X8:
vp9_highbd_fdct8x8(src_diff, coeff, diff_stride);
vp9_highbd_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_4X4:
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_highbd_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
default:
assert(0);
}
return;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
switch (tx_size) {
case TX_32X32:
fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
vp9_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob, scan_order->scan,
scan_order->iscan);
break;
case TX_16X16:
vp9_fdct16x16(src_diff, coeff, diff_stride);
vp9_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_8X8:
vp9_fdct8x8(src_diff, coeff, diff_stride);
vp9_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_4X4:
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
default:
assert(0);
break;
}
}
void vp9_xform_quant(MACROBLOCK *x, int plane, int block,
BLOCK_SIZE plane_bsize, TX_SIZE tx_size) {
MACROBLOCKD *const xd = &x->e_mbd;
const struct macroblock_plane *const p = &x->plane[plane];
const struct macroblockd_plane *const pd = &xd->plane[plane];
const scan_order *const scan_order = &vp9_default_scan_orders[tx_size];
tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
uint16_t *const eob = &p->eobs[block];
const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
int i, j;
const int16_t *src_diff;
txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
src_diff = &p->src_diff[4 * (j * diff_stride + i)];
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
switch (tx_size) {
case TX_32X32:
highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
vp9_highbd_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin,
p->round, p->quant, p->quant_shift, qcoeff,
dqcoeff, pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_16X16:
vp9_highbd_fdct16x16(src_diff, coeff, diff_stride);
vp9_highbd_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_8X8:
vp9_highbd_fdct8x8(src_diff, coeff, diff_stride);
vp9_highbd_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_4X4:
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_highbd_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
default:
assert(0);
}
return;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
switch (tx_size) {
case TX_32X32:
fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
vp9_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob, scan_order->scan,
scan_order->iscan);
break;
case TX_16X16:
vp9_fdct16x16(src_diff, coeff, diff_stride);
vp9_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_8X8:
vp9_fdct8x8(src_diff, coeff, diff_stride);
vp9_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
case TX_4X4:
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
break;
default:
assert(0);
break;
}
}
static void encode_block_b(int blk_row, int blk_col, int plane,
int block, BLOCK_SIZE plane_bsize,
TX_SIZE tx_size, void *arg) {
struct encode_b_args *const args = arg;
MACROBLOCK *const x = args->x;
MACROBLOCKD *const xd = &x->e_mbd;
struct optimize_ctx *const ctx = args->ctx;
struct macroblock_plane *const p = &x->plane[plane];
struct macroblockd_plane *const pd = &xd->plane[plane];
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
uint8_t *dst;
ENTROPY_CONTEXT *a, *l;
const int block_stride = num_4x4_blocks_wide_lookup[plane_bsize];
int i;
dst = &pd->dst.buf[4 * blk_row * pd->dst.stride + 4 * blk_col];
a = &ctx->ta[plane][blk_col];
l = &ctx->tl[plane][blk_row];
// TODO(jingning): per transformed block zero forcing only enabled for
// luma component. will integrate chroma components as well.
// if (x->zcoeff_blk[tx_size][block] && plane == 0) {
// p->eobs[block] = 0;
// *a = *l = 0;
// return;
// }
if (x->blk_skip[plane][blk_row * block_stride + blk_col] == 0)
vp9_xform_quant_inter(x, plane, block, blk_row, blk_col,
plane_bsize, tx_size);
else
p->eobs[block] = 0;
if (x->optimize) {
int context;
switch (tx_size) {
case TX_4X4:
break;
case TX_8X8:
a[0] = !!*(const uint16_t *)&a[0];
l[0] = !!*(const uint16_t *)&l[0];
break;
case TX_16X16:
a[0] = !!*(const uint32_t *)&a[0];
l[0] = !!*(const uint32_t *)&l[0];
break;
case TX_32X32:
a[0] = !!*(const uint64_t *)&a[0];
l[0] = !!*(const uint64_t *)&l[0];
break;
default:
assert(0 && "Invalid transform size.");
break;
}
context = combine_entropy_contexts(*a, *l);
*a = *l = optimize_b(x, plane, block, tx_size, context) > 0;
} else {
*a = *l = p->eobs[block] > 0;
}
for (i = 0; i < (1 << tx_size); ++i) {
a[i] = a[0];
l[i] = l[0];
}
if (p->eobs[block])
*(args->skip) = 0;
if (x->skip_encode || p->eobs[block] == 0)
return;
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
switch (tx_size) {
case TX_32X32:
vp9_highbd_idct32x32_add(dqcoeff, dst, pd->dst.stride,
p->eobs[block], xd->bd);
break;
case TX_16X16:
vp9_highbd_idct16x16_add(dqcoeff, dst, pd->dst.stride,
p->eobs[block], xd->bd);
break;
case TX_8X8:
vp9_highbd_idct8x8_add(dqcoeff, dst, pd->dst.stride,
p->eobs[block], xd->bd);
break;
case TX_4X4:
// this is like vp9_short_idct4x4 but has a special case around eob<=1
// which is significant (not just an optimization) for the lossless
// case.
x->highbd_itxm_add(dqcoeff, dst, pd->dst.stride,
p->eobs[block], xd->bd);
break;
default:
assert(0 && "Invalid transform size");
}
return;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
switch (tx_size) {
case TX_32X32:
vp9_idct32x32_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
break;
case TX_16X16:
vp9_idct16x16_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
break;
case TX_8X8:
vp9_idct8x8_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
break;
case TX_4X4:
// this is like vp9_short_idct4x4 but has a special case around eob<=1
// which is significant (not just an optimization) for the lossless
// case.
x->itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
break;
default:
assert(0 && "Invalid transform size");
break;
}
}
static void encode_block_inter(int blk_row, int blk_col,
int plane, int block, BLOCK_SIZE plane_bsize,
TX_SIZE tx_size, void *arg) {
struct encode_b_args *const args = arg;
MACROBLOCK *const x = args->x;
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;
struct macroblockd_plane *const pd = &xd->plane[plane];
int tx_idx = (blk_row >> (1 - pd->subsampling_y)) * 8 +
(blk_col >> (1 - pd->subsampling_x));
TX_SIZE plane_tx_size = plane ?
get_uv_tx_size_impl(mbmi->inter_tx_size[tx_idx], plane_bsize, 0, 0) :
mbmi->inter_tx_size[tx_idx];
int max_blocks_high = num_4x4_blocks_high_lookup[plane_bsize];
int max_blocks_wide = num_4x4_blocks_wide_lookup[plane_bsize];
if (xd->mb_to_bottom_edge < 0)
max_blocks_high += xd->mb_to_bottom_edge >> (5 + pd->subsampling_y);
if (xd->mb_to_right_edge < 0)
max_blocks_wide += xd->mb_to_right_edge >> (5 + pd->subsampling_x);
if (blk_row >= max_blocks_high || blk_col >= max_blocks_wide)
return;
if (tx_size == plane_tx_size) {
encode_block_b(blk_row, blk_col, plane, block, plane_bsize, tx_size, arg);
} else {
BLOCK_SIZE bsize = txsize_to_bsize[tx_size];
int bh = num_4x4_blocks_high_lookup[bsize];
int step = 1 << (2 *(tx_size - 1));
int i;
for (i = 0; i < 4; ++i) {
int offsetr = (i >> 1) * bh / 2;
int offsetc = (i & 0x01) * bh / 2;
encode_block_inter(blk_row + offsetr, blk_col + offsetc,
plane, block + i * step, plane_bsize,
tx_size - 1, arg);
}
}
}
static void encode_block_pass1(int plane, int block, BLOCK_SIZE plane_bsize,
TX_SIZE tx_size, void *arg) {
MACROBLOCK *const x = (MACROBLOCK *)arg;
MACROBLOCKD *const xd = &x->e_mbd;
struct macroblock_plane *const p = &x->plane[plane];
struct macroblockd_plane *const pd = &xd->plane[plane];
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
int i, j;
uint8_t *dst;
txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
dst = &pd->dst.buf[4 * j * pd->dst.stride + 4 * i];
vp9_xform_quant(x, plane, block, plane_bsize, tx_size);
if (p->eobs[block] > 0) {
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
x->highbd_itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block], xd->bd);
return;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
x->itxm_add(dqcoeff, dst, pd->dst.stride, p->eobs[block]);
}
}
void vp9_encode_sby_pass1(MACROBLOCK *x, BLOCK_SIZE bsize) {
vp9_subtract_plane(x, bsize, 0);
vp9_foreach_transformed_block_in_plane(&x->e_mbd, bsize, 0,
encode_block_pass1, x);
}
void vp9_encode_sb(MACROBLOCK *x, BLOCK_SIZE bsize) {
MACROBLOCKD *const xd = &x->e_mbd;
struct optimize_ctx ctx;
MB_MODE_INFO *mbmi = &xd->mi[0].src_mi->mbmi;
struct encode_b_args arg = {x, &ctx, &mbmi->skip};
int plane;
mbmi->skip = 1;
if (x->skip)
return;
for (plane = 0; plane < MAX_MB_PLANE; ++plane) {
const struct macroblockd_plane *const pd = &xd->plane[plane];
const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
const int mi_width = num_4x4_blocks_wide_lookup[plane_bsize];
const int mi_height = num_4x4_blocks_high_lookup[plane_bsize];
BLOCK_SIZE txb_size = txsize_to_bsize[max_txsize_lookup[plane_bsize]];
int bh = num_4x4_blocks_wide_lookup[txb_size];
int idx, idy;
int block = 0;
int step = 1 << (max_txsize_lookup[plane_bsize] * 2);
vp9_subtract_plane(x, bsize, plane);
vp9_get_entropy_contexts(bsize, TX_4X4, pd, ctx.ta[plane], ctx.tl[plane]);
for (idy = 0; idy < mi_height; idy += bh) {
for (idx = 0; idx < mi_width; idx += bh) {
encode_block_inter(idy, idx, plane, block, plane_bsize,
max_txsize_lookup[plane_bsize], &arg);
block += step;
}
}
}
}
void vp9_encode_block_intra(int plane, int block, BLOCK_SIZE plane_bsize,
TX_SIZE tx_size, void *arg) {
struct encode_b_args* const args = arg;
MACROBLOCK *const x = args->x;
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *mbmi = &xd->mi[0].src_mi->mbmi;
struct macroblock_plane *const p = &x->plane[plane];
struct macroblockd_plane *const pd = &xd->plane[plane];
tran_low_t *coeff = BLOCK_OFFSET(p->coeff, block);
tran_low_t *qcoeff = BLOCK_OFFSET(p->qcoeff, block);
tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
const scan_order *scan_order;
TX_TYPE tx_type;
PREDICTION_MODE mode;
const int bwl = b_width_log2_lookup[plane_bsize];
const int diff_stride = 4 * (1 << bwl);
uint8_t *src, *dst;
int16_t *src_diff;
uint16_t *eob = &p->eobs[block];
const int src_stride = p->src.stride;
const int dst_stride = pd->dst.stride;
int i, j;
txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j);
dst = &pd->dst.buf[4 * (j * dst_stride + i)];
src = &p->src.buf[4 * (j * src_stride + i)];
src_diff = &p->src_diff[4 * (j * diff_stride + i)];
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
switch (tx_size) {
case TX_32X32:
scan_order = &vp9_default_scan_orders[TX_32X32];
mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
vp9_predict_intra_block(xd, block >> 6, bwl, TX_32X32, mode,
x->skip_encode ? src : dst,
x->skip_encode ? src_stride : dst_stride,
dst, dst_stride, i, j, plane);
if (!x->skip_recode) {
vp9_highbd_subtract_block(32, 32, src_diff, diff_stride,
src, src_stride, dst, dst_stride, xd->bd);
highbd_fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
vp9_highbd_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin,
p->round, p->quant, p->quant_shift,
qcoeff, dqcoeff, pd->dequant, eob,
scan_order->scan, scan_order->iscan);
}
if (!x->skip_encode && *eob) {
vp9_highbd_idct32x32_add(dqcoeff, dst, dst_stride, *eob, xd->bd);
}
break;
case TX_16X16:
tx_type = get_tx_type(pd->plane_type, xd);
scan_order = &vp9_scan_orders[TX_16X16][tx_type];
mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
vp9_predict_intra_block(xd, block >> 4, bwl, TX_16X16, mode,
x->skip_encode ? src : dst,
x->skip_encode ? src_stride : dst_stride,
dst, dst_stride, i, j, plane);
if (!x->skip_recode) {
vp9_highbd_subtract_block(16, 16, src_diff, diff_stride,
src, src_stride, dst, dst_stride, xd->bd);
vp9_highbd_fht16x16(src_diff, coeff, diff_stride, tx_type);
vp9_highbd_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
}
if (!x->skip_encode && *eob) {
vp9_highbd_iht16x16_add(tx_type, dqcoeff, dst, dst_stride,
*eob, xd->bd);
}
break;
case TX_8X8:
tx_type = get_tx_type(pd->plane_type, xd);
scan_order = &vp9_scan_orders[TX_8X8][tx_type];
mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
vp9_predict_intra_block(xd, block >> 2, bwl, TX_8X8, mode,
x->skip_encode ? src : dst,
x->skip_encode ? src_stride : dst_stride,
dst, dst_stride, i, j, plane);
if (!x->skip_recode) {
vp9_highbd_subtract_block(8, 8, src_diff, diff_stride,
src, src_stride, dst, dst_stride, xd->bd);
vp9_highbd_fht8x8(src_diff, coeff, diff_stride, tx_type);
vp9_highbd_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
}
if (!x->skip_encode && *eob) {
vp9_highbd_iht8x8_add(tx_type, dqcoeff, dst, dst_stride, *eob,
xd->bd);
}
break;
case TX_4X4:
tx_type = get_tx_type_4x4(pd->plane_type, xd, block);
scan_order = &vp9_scan_orders[TX_4X4][tx_type];
mode = plane == 0 ? get_y_mode(xd->mi[0].src_mi, block) : mbmi->uv_mode;
vp9_predict_intra_block(xd, block, bwl, TX_4X4, mode,
x->skip_encode ? src : dst,
x->skip_encode ? src_stride : dst_stride,
dst, dst_stride, i, j, plane);
if (!x->skip_recode) {
vp9_highbd_subtract_block(4, 4, src_diff, diff_stride,
src, src_stride, dst, dst_stride, xd->bd);
if (tx_type != DCT_DCT)
vp9_highbd_fht4x4(src_diff, coeff, diff_stride, tx_type);
else
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_highbd_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob,
scan_order->scan, scan_order->iscan);
}
if (!x->skip_encode && *eob) {
if (tx_type == DCT_DCT) {
// this is like vp9_short_idct4x4 but has a special case around
// eob<=1 which is significant (not just an optimization) for the
// lossless case.
x->highbd_itxm_add(dqcoeff, dst, dst_stride, *eob, xd->bd);
} else {
vp9_highbd_iht4x4_16_add(dqcoeff, dst, dst_stride, tx_type, xd->bd);
}
}
break;
default:
assert(0);
return;
}
if (*eob)
*(args->skip) = 0;
return;
}
#endif // CONFIG_VP9_HIGHBITDEPTH
switch (tx_size) {
case TX_32X32:
scan_order = &vp9_default_scan_orders[TX_32X32];
mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
vp9_predict_intra_block(xd, block >> 6, bwl, TX_32X32, mode,
x->skip_encode ? src : dst,
x->skip_encode ? src_stride : dst_stride,
dst, dst_stride, i, j, plane);
if (!x->skip_recode) {
vp9_subtract_block(32, 32, src_diff, diff_stride,
src, src_stride, dst, dst_stride);
fdct32x32(x->use_lp32x32fdct, src_diff, coeff, diff_stride);
vp9_quantize_b_32x32(coeff, 1024, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob, scan_order->scan,
scan_order->iscan);
}
if (!x->skip_encode && *eob)
vp9_idct32x32_add(dqcoeff, dst, dst_stride, *eob);
break;
case TX_16X16:
tx_type = get_tx_type(pd->plane_type, xd);
scan_order = &vp9_scan_orders[TX_16X16][tx_type];
mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
vp9_predict_intra_block(xd, block >> 4, bwl, TX_16X16, mode,
x->skip_encode ? src : dst,
x->skip_encode ? src_stride : dst_stride,
dst, dst_stride, i, j, plane);
if (!x->skip_recode) {
vp9_subtract_block(16, 16, src_diff, diff_stride,
src, src_stride, dst, dst_stride);
vp9_fht16x16(src_diff, coeff, diff_stride, tx_type);
vp9_quantize_b(coeff, 256, x->skip_block, p->zbin, p->round,
p->quant, p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob, scan_order->scan,
scan_order->iscan);
}
if (!x->skip_encode && *eob)
vp9_iht16x16_add(tx_type, dqcoeff, dst, dst_stride, *eob);
break;
case TX_8X8:
tx_type = get_tx_type(pd->plane_type, xd);
scan_order = &vp9_scan_orders[TX_8X8][tx_type];
mode = plane == 0 ? mbmi->mode : mbmi->uv_mode;
vp9_predict_intra_block(xd, block >> 2, bwl, TX_8X8, mode,
x->skip_encode ? src : dst,
x->skip_encode ? src_stride : dst_stride,
dst, dst_stride, i, j, plane);
if (!x->skip_recode) {
vp9_subtract_block(8, 8, src_diff, diff_stride,
src, src_stride, dst, dst_stride);
vp9_fht8x8(src_diff, coeff, diff_stride, tx_type);
vp9_quantize_b(coeff, 64, x->skip_block, p->zbin, p->round, p->quant,
p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob, scan_order->scan,
scan_order->iscan);
}
if (!x->skip_encode && *eob)
vp9_iht8x8_add(tx_type, dqcoeff, dst, dst_stride, *eob);
break;
case TX_4X4:
tx_type = get_tx_type_4x4(pd->plane_type, xd, block);
scan_order = &vp9_scan_orders[TX_4X4][tx_type];
mode = plane == 0 ? get_y_mode(xd->mi[0].src_mi, block) : mbmi->uv_mode;
vp9_predict_intra_block(xd, block, bwl, TX_4X4, mode,
x->skip_encode ? src : dst,
x->skip_encode ? src_stride : dst_stride,
dst, dst_stride, i, j, plane);
if (!x->skip_recode) {
vp9_subtract_block(4, 4, src_diff, diff_stride,
src, src_stride, dst, dst_stride);
if (tx_type != DCT_DCT)
vp9_fht4x4(src_diff, coeff, diff_stride, tx_type);
else
x->fwd_txm4x4(src_diff, coeff, diff_stride);
vp9_quantize_b(coeff, 16, x->skip_block, p->zbin, p->round, p->quant,
p->quant_shift, qcoeff, dqcoeff,
pd->dequant, eob, scan_order->scan,
scan_order->iscan);
}
if (!x->skip_encode && *eob) {
if (tx_type == DCT_DCT)
// this is like vp9_short_idct4x4 but has a special case around eob<=1
// which is significant (not just an optimization) for the lossless
// case.
x->itxm_add(dqcoeff, dst, dst_stride, *eob);
else
vp9_iht4x4_16_add(dqcoeff, dst, dst_stride, tx_type);
}
break;
default:
assert(0);
break;
}
if (*eob)
*(args->skip) = 0;
}
void vp9_encode_intra_block_plane(MACROBLOCK *x, BLOCK_SIZE bsize, int plane) {
const MACROBLOCKD *const xd = &x->e_mbd;
struct encode_b_args arg = {x, NULL, &xd->mi[0].src_mi->mbmi.skip};
vp9_foreach_transformed_block_in_plane(xd, bsize, plane,
vp9_encode_block_intra, &arg);
}
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