generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Merge "make cost_coeffs to use combined context" into experimental

Browse Source
This commit is contained in:
Ronald S. Bultje 2013-02-26 10:32:01 -08:00 committed by Gerrit Code Review
commit c4ae97911a
1 changed files with 73 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

100
vp9/encoder/vp9_rdopt.c
View File

@ -402,6 +402,12 @@ static INLINE int cost_coeffs(MACROBLOCK *mb,
unsigned int (*token_costs)[PREV_COEF_CONTEXTS][MAX_ENTROPY_TOKENS] =
mb->token_costs[tx_size][type][ref];
ENTROPY_CONTEXT a_ec = *a, l_ec = *l;
#if CONFIG_CNVCONTEXT
ENTROPY_CONTEXT *const a1 = a +
sizeof(ENTROPY_CONTEXT_PLANES)/sizeof(ENTROPY_CONTEXT);
ENTROPY_CONTEXT *const l1 = l +
sizeof(ENTROPY_CONTEXT_PLANES)/sizeof(ENTROPY_CONTEXT);
#endif
switch (tx_size) {
case TX_4X4:
@ -416,6 +422,10 @@ static INLINE int cost_coeffs(MACROBLOCK *mb,
}
break;
case TX_8X8:
#if CONFIG_CNVCONTEXT
a_ec = (a[0] + a[1]) != 0;
l_ec = (l[0] + l[1]) != 0;
#endif
scan = vp9_default_zig_zag1d_8x8;
seg_eob = 64;
break;
@ -425,12 +435,27 @@ static INLINE int cost_coeffs(MACROBLOCK *mb,
if (type == PLANE_TYPE_UV) {
const int uv_idx = ib - 16;
qcoeff_ptr = xd->sb_coeff_data.qcoeff + 1024 + 64 * uv_idx;
#if CONFIG_CNVCONTEXT
a_ec = (a[0] + a[1] + a1[0] + a1[1]) != 0;
l_ec = (l[0] + l[1] + l1[0] + l1[1]) != 0;
} else {
a_ec = (a[0] + a[1] + a[2] + a[3]) != 0;
l_ec = (l[0] + l[1] + l[2] + l[3]) != 0;
#endif
}
break;
case TX_32X32:
scan = vp9_default_zig_zag1d_32x32;
seg_eob = 1024;
qcoeff_ptr = xd->sb_coeff_data.qcoeff;
#if CONFIG_CNVCONTEXT
a_ec = a[0] + a[1] + a[2] + a[3] +
a1[0] + a1[1] + a1[2] + a1[3];
l_ec = l[0] + l[1] + l[2] + l[3] +
l1[0] + l1[1] + l1[2] + l1[3];
a_ec = a_ec != 0;
l_ec = l_ec != 0;
#endif
break;
default:
abort();
@ -459,6 +484,22 @@ static INLINE int cost_coeffs(MACROBLOCK *mb,
// is eob first coefficient;
pt = (c > 0);
*a = *l = pt;
#if CONFIG_CNVCONTEXT
if (tx_size >= TX_8X8) {
a[1] = l[1] = pt;
if (tx_size >= TX_16X16) {
if (type == PLANE_TYPE_UV) {
a1[0] = a1[1] = l1[0] = l1[1] = pt;
} else {
a[2] = a[3] = l[2] = l[3] = pt;
if (tx_size >= TX_32X32) {
a1[0] = a1[1] = a1[2] = a1[3] = pt;
l1[0] = l1[1] = l1[2] = l1[3] = pt;
}
}
}
}
#endif
return cost;
}
@ -701,15 +742,15 @@ static void copy_predictor(uint8_t *dst, const uint8_t *predictor) {
static int rdcost_sby_32x32(MACROBLOCK *x, int backup) {
MACROBLOCKD * const xd = &x->e_mbd;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT_PLANES t_above[2], t_left[2];
ENTROPY_CONTEXT *ta, *tl;
if (backup) {
ta = (ENTROPY_CONTEXT *) &t_above,
tl = (ENTROPY_CONTEXT *) &t_left;
vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES) * 2);
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES) * 2);
} else {
ta = (ENTROPY_CONTEXT *) xd->above_context;
tl = (ENTROPY_CONTEXT *) xd->left_context;
@ -1279,8 +1320,9 @@ static int64_t rd_pick_intra8x8block(VP9_COMP *cpi, MACROBLOCK *x, int ib,
int distortion = 0, rate = 0;
BLOCK *be = x->block + ib;
BLOCKD *b = xd->block + ib;
ENTROPY_CONTEXT ta0, ta1, besta0 = 0, besta1 = 0;
ENTROPY_CONTEXT tl0, tl1, bestl0 = 0, bestl1 = 0;
ENTROPY_CONTEXT_PLANES ta, tl;
ENTROPY_CONTEXT *ta0, *ta1, besta0 = 0, besta1 = 0;
ENTROPY_CONTEXT *tl0, *tl1, bestl0 = 0, bestl1 = 0;
/*
* The predictor buffer is a 2d buffer with a stride of 16. Create
@ -1317,23 +1359,29 @@ static int64_t rd_pick_intra8x8block(VP9_COMP *cpi, MACROBLOCK *x, int ib,
// compute quantization mse of 8x8 block
distortion = vp9_block_error_c((x->block + idx)->coeff,
(xd->block + idx)->dqcoeff, 64);
ta0 = a[vp9_block2above[TX_8X8][idx]];
tl0 = l[vp9_block2left[TX_8X8][idx]];
vpx_memcpy(&ta, a, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&tl, l, sizeof(ENTROPY_CONTEXT_PLANES));
ta0 = ((ENTROPY_CONTEXT*)&ta) + vp9_block2above[TX_8X8][idx];
tl0 = ((ENTROPY_CONTEXT*)&tl) + vp9_block2left[TX_8X8][idx];
ta1 = ta0 + 1;
tl1 = tl0 + 1;
rate_t = cost_coeffs(x, xd->block + idx, PLANE_TYPE_Y_WITH_DC,
&ta0, &tl0, TX_8X8);
ta0, tl0, TX_8X8);
rate += rate_t;
ta1 = ta0;
tl1 = tl0;
} else {
static const int iblock[4] = {0, 1, 4, 5};
TX_TYPE tx_type;
int i;
ta0 = a[vp9_block2above[TX_4X4][ib]];
ta1 = a[vp9_block2above[TX_4X4][ib + 1]];
tl0 = l[vp9_block2left[TX_4X4][ib]];
tl1 = l[vp9_block2left[TX_4X4][ib + 4]];
vpx_memcpy(&ta, a, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&tl, l, sizeof(ENTROPY_CONTEXT_PLANES));
ta0 = ((ENTROPY_CONTEXT*)&ta) + vp9_block2above[TX_4X4][ib];
tl0 = ((ENTROPY_CONTEXT*)&tl) + vp9_block2left[TX_4X4][ib];
ta1 = ta0 + 1;
tl1 = tl0 + 1;
distortion = 0;
rate_t = 0;
for (i = 0; i < 4; ++i) {
@ -1354,15 +1402,13 @@ static int64_t rd_pick_intra8x8block(VP9_COMP *cpi, MACROBLOCK *x, int ib,
}
distortion += vp9_block_error_c(be->coeff, b->dqcoeff, 16 << do_two);
rate_t += cost_coeffs(x, b, PLANE_TYPE_Y_WITH_DC,
// i&1 ? &ta1 : &ta0, i&2 ? &tl1 : &tl0,
&ta0, &tl0,
i&1 ? ta1 : ta0, i&2 ? tl1 : tl0,
TX_4X4);
if (do_two) {
rate_t += cost_coeffs(x, b + 1, PLANE_TYPE_Y_WITH_DC,
// i&1 ? &ta1 : &ta0, i&2 ? &tl1 : &tl0,
&ta0, &tl0,
TX_4X4);
i++;
rate_t += cost_coeffs(x, b + 1, PLANE_TYPE_Y_WITH_DC,
i&1 ? ta1 : ta0, i&2 ? tl1 : tl0,
TX_4X4);
}
}
b = &xd->block[ib];
@ -1376,10 +1422,10 @@ static int64_t rd_pick_intra8x8block(VP9_COMP *cpi, MACROBLOCK *x, int ib,
*bestrate = rate;
*bestratey = rate_t;
*bestdistortion = distortion;
besta0 = ta0;
besta1 = ta1;
bestl0 = tl0;
bestl1 = tl1;
besta0 = *ta0;
besta1 = *ta1;
bestl0 = *tl0;
bestl1 = *tl1;
best_rd = this_rd;
*best_mode = mode;
copy_predictor_8x8(best_predictor, b->predictor);
@ -1532,12 +1578,12 @@ static int rd_cost_sbuv_16x16(MACROBLOCK *x, int backup) {
int b;
int cost = 0;
MACROBLOCKD *const xd = &x->e_mbd;
ENTROPY_CONTEXT_PLANES t_above, t_left;
ENTROPY_CONTEXT_PLANES t_above[2], t_left[2];
ENTROPY_CONTEXT *ta, *tl;
if (backup) {
vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES));
vpx_memcpy(&t_above, xd->above_context, sizeof(ENTROPY_CONTEXT_PLANES) * 2);
vpx_memcpy(&t_left, xd->left_context, sizeof(ENTROPY_CONTEXT_PLANES) * 2);
ta = (ENTROPY_CONTEXT *) &t_above;
tl = (ENTROPY_CONTEXT *) &t_left;