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Commit 3c4b56c4 authored by Geza Lore's avatar Geza Lore Committed by Debargha Mukherjee
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Experiment to use image domain dist in baseline. 

Change-Id: Ib29f510289716b5ab5c7d74d32a450c190308a83
parent 272dbaa1
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Showing with 138 additions and 83 deletions
vp10/encoder/encodeframe.c
View file @ 3c4b56c4
......@@ -5281,7 +5281,8 @@ static void rd_supertx_sb(VP10_COMP *cpi, ThreadData *td,
tx_size = get_uv_tx_size_impl(tx_size, bsize,
cm->subsampling_x, cm->subsampling_y);
vp10_subtract_plane(x, bsize, plane);
vp10_txfm_rd_in_plane_supertx(x, &this_rate, &this_dist, &pnskip, &pnsse,
vp10_txfm_rd_in_plane_supertx(x, cpi, &this_rate, &this_dist,
&pnskip, &pnsse,
INT64_MAX, plane, bsize, tx_size, 0);
#endif // CONFIG_VAR_TX
......@@ -5330,7 +5331,7 @@ static void rd_supertx_sb(VP10_COMP *cpi, ThreadData *td,
bsize, coeff_ctx,
&this_rate, &this_dist, &pnsse, &pnskip);
#else
vp10_txfm_rd_in_plane_supertx(x, &this_rate, &this_dist, &pnskip,
vp10_txfm_rd_in_plane_supertx(x, cpi, &this_rate, &this_dist, &pnskip,
&pnsse, INT64_MAX, 0, bsize, tx_size, 0);
#endif // CONFIG_VAR_TX
......
vp10/encoder/rdopt.c
View file @ 3c4b56c4
......@@ -98,9 +98,7 @@ typedef struct {
} REF_DEFINITION;
struct rdcost_block_args {
#if CONFIG_VAR_TX
const VP10_COMP *cpi;
#endif
MACROBLOCK *x;
ENTROPY_CONTEXT t_above[16];
ENTROPY_CONTEXT t_left[16];
......@@ -617,25 +615,91 @@ static int cost_coeffs(MACROBLOCK *x,
return cost;
}
static void dist_block(MACROBLOCK *x, int plane, int block, TX_SIZE tx_size,
static void dist_block(const VP10_COMP *cpi, MACROBLOCK *x, int plane,
int block, int blk_row, int blk_col, TX_SIZE tx_size,
int64_t *out_dist, int64_t *out_sse) {
const int ss_txfrm_size = tx_size << 1;
MACROBLOCKD* const xd = &x->e_mbd;
const struct macroblock_plane *const p = &x->plane[plane];
const struct macroblockd_plane *const pd = &xd->plane[plane];
int64_t this_sse;
int shift = tx_size == TX_32X32 ? 0 : 2;
tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
if (cpi->sf.use_transform_domain_distortion) {
// Transform domain distortion computation is more accurate as it does
// not involve an inverse transform, but it is less accurate.
const int ss_txfrm_size = tx_size << 1;
MACROBLOCKD* const xd = &x->e_mbd;
const struct macroblock_plane *const p = &x->plane[plane];
const struct macroblockd_plane *const pd = &xd->plane[plane];
int64_t this_sse;
int shift = tx_size == TX_32X32 ? 0 : 2;
tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block);
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
#if CONFIG_VP9_HIGHBITDEPTH
const int bd = (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? xd->bd : 8;
*out_dist = vp10_highbd_block_error(coeff, dqcoeff, 16 << ss_txfrm_size,
&this_sse, bd) >> shift;
#else
*out_dist = vp10_block_error(coeff, dqcoeff, 16 << ss_txfrm_size,
&this_sse) >> shift;
#endif // CONFIG_VP9_HIGHBITDEPTH
*out_sse = this_sse >> shift;
} else {
const BLOCK_SIZE tx_bsize = txsize_to_bsize[tx_size];
const int bs = 4*num_4x4_blocks_wide_lookup[tx_bsize];
const MACROBLOCKD *xd = &x->e_mbd;
const struct macroblock_plane *p = &x->plane[plane];
const struct macroblockd_plane *pd = &xd->plane[plane];
const int src_stride = x->plane[plane].src.stride;
const int dst_stride = xd->plane[plane].dst.stride;
const int src_idx = 4 * (blk_row * src_stride + blk_col);
const int dst_idx = 4 * (blk_row * dst_stride + blk_col);
const uint8_t *src = &x->plane[plane].src.buf[src_idx];
const uint8_t *dst = &xd->plane[plane].dst.buf[dst_idx];
const tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
const uint16_t *eob = &p->eobs[block];
unsigned int tmp;
assert(cpi != NULL);
cpi->fn_ptr[tx_bsize].vf(src, src_stride, dst, dst_stride, &tmp);
*out_sse = (int64_t)tmp * 16;
if (*eob) {
const MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi;
#if CONFIG_VP9_HIGHBITDEPTH
const int bd = (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? xd->bd : 8;
*out_dist = vp10_highbd_block_error(coeff, dqcoeff, 16 << ss_txfrm_size,
&this_sse, bd) >> shift;
DECLARE_ALIGNED(16, uint16_t, recon16[32 * 32]); // MAX TX_SIZE**2
uint8_t *recon = (uint8_t*)recon16;
#else
*out_dist = vp10_block_error(coeff, dqcoeff, 16 << ss_txfrm_size,
&this_sse) >> shift;
DECLARE_ALIGNED(16, uint8_t, recon[32 * 32]); // MAX TX_SIZE**2
#endif // CONFIG_VP9_HIGHBITDEPTH
const PLANE_TYPE plane_type = plane == 0 ? PLANE_TYPE_Y : PLANE_TYPE_UV;
INV_TXFM_PARAM inv_txfm_param;
inv_txfm_param.tx_type = get_tx_type(plane_type, xd, block, tx_size);
inv_txfm_param.tx_size = tx_size;
inv_txfm_param.eob = *eob;
inv_txfm_param.lossless = xd->lossless[mbmi->segment_id];
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
recon = CONVERT_TO_BYTEPTR(recon);
inv_txfm_param.bd = xd->bd;
vpx_highbd_convolve_copy(dst, dst_stride, recon, 32,
NULL, 0, NULL, 0, bs, bs, xd->bd);
highbd_inv_txfm_add(dqcoeff, recon, 32, &inv_txfm_param);
} else
#endif // CONFIG_VP9_HIGHBITDEPTH
*out_sse = this_sse >> shift;
{
vpx_convolve_copy(dst, dst_stride, recon, 32,
NULL, 0, NULL, 0, bs, bs);
inv_txfm_add(dqcoeff, recon, 32, &inv_txfm_param);
}
cpi->fn_ptr[tx_bsize].vf(src, src_stride, recon, 32, &tmp);
}
*out_dist = (int64_t)tmp * 16;
}
}
static int rate_block(int plane, int block, int blk_row, int blk_col,
......@@ -656,7 +720,7 @@ static int rate_block(int plane, int block, int blk_row, int blk_col,
args->t_left + blk_row,
tx_size, args->so->scan, args->so->neighbors,
args->use_fast_coef_costing);
#endif
#endif // CONFIG_VAR_TX
}
static void block_rd_txfm(int plane, int block, int blk_row, int blk_col,
......@@ -676,15 +740,15 @@ static void block_rd_txfm(int plane, int block, int blk_row, int blk_col,
if (!is_inter_block(mbmi)) {
struct encode_b_args arg = {x, NULL, &mbmi->skip};
#if CONFIG_VAR_TX
vp10_encode_block_intra(plane, block, blk_row, blk_col,
plane_bsize, tx_size, &arg);
{
#if CONFIG_VP9_HIGHBITDEPTH
const VP10_COMP *cpi = args->cpi;
const uint32_t hbd_shift = (cpi->common.bit_depth - 8) * 2;
#endif
if (args->cpi->sf.use_transform_domain_distortion) {
dist_block(args->cpi, x, plane, block, blk_row, blk_col,
tx_size, &dist, &sse);
} else {
// Note that the encode block_intra call above already calls
// inv_txfm_add, so we can't just call dist_block here.
const int bs = 4 << tx_size;
const BLOCK_SIZE tx_bsize = txsize_to_bsize[tx_size];
const vpx_variance_fn_t variance = args->cpi->fn_ptr[tx_bsize].vf;
......@@ -701,27 +765,25 @@ static void block_rd_txfm(int plane, int block, int blk_row, int blk_col,
const int16_t *diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)];
unsigned int tmp;
sse = vpx_sum_squares_2d_i16(diff, diff_stride, bs);
#if CONFIG_VP9_HIGHBITDEPTH
sse = (int64_t)ROUND_POWER_OF_TWO(
vpx_sum_squares_2d_i16(diff, diff_stride, bs), hbd_shift) * 16;
#else
sse = (int64_t)vpx_sum_squares_2d_i16(diff, diff_stride, bs) * 16;
#endif
if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && (xd->bd > 8))
sse = ROUND_POWER_OF_TWO(sse, (xd->bd - 8) * 2);
#endif // CONFIG_VP9_HIGHBITDEPTH
sse = (int64_t)sse * 16;
variance(src, src_stride, dst, dst_stride, &tmp);
dist = (int64_t)tmp * 16;
}
#else
vp10_encode_block_intra(plane, block, blk_row, blk_col,
plane_bsize, tx_size, &arg);
dist_block(x, plane, block, tx_size, &dist, &sse);
#endif
} else if (max_txsize_lookup[plane_bsize] == tx_size) {
if (x->skip_txfm[(plane << 2) + (block >> (tx_size << 1))] ==
SKIP_TXFM_NONE) {
// full forward transform and quantization
vp10_xform_quant(x, plane, block, blk_row, blk_col,
plane_bsize, tx_size, VP10_XFORM_QUANT_B);
dist_block(x, plane, block, tx_size, &dist, &sse);
dist_block(args->cpi, x, plane, block, blk_row, blk_col,
tx_size, &dist, &sse);
} else if (x->skip_txfm[(plane << 2) + (block >> (tx_size << 1))] ==
SKIP_TXFM_AC_ONLY) {
// compute DC coefficient
......@@ -754,7 +816,8 @@ static void block_rd_txfm(int plane, int block, int blk_row, int blk_col,
// full forward transform and quantization
vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size,
VP10_XFORM_QUANT_B);
dist_block(x, plane, block, tx_size, &dist, &sse);
dist_block(args->cpi, x, plane, block, blk_row, blk_col,
tx_size, &dist, &sse);
}
rd = RDCOST(x->rdmult, x->rddiv, 0, dist);
......@@ -787,9 +850,7 @@ static void block_rd_txfm(int plane, int block, int blk_row, int blk_col,
}
static void txfm_rd_in_plane(MACROBLOCK *x,
#if CONFIG_VAR_TX
const VP10_COMP *cpi,
#endif
int *rate, int64_t *distortion,
int *skippable, int64_t *sse,
int64_t ref_best_rd, int plane,
......@@ -801,9 +862,7 @@ static void txfm_rd_in_plane(MACROBLOCK *x,
struct rdcost_block_args args;
vp10_zero(args);
args.x = x;
#if CONFIG_VAR_TX
args.cpi = cpi;
#endif
args.best_rd = ref_best_rd;
args.use_fast_coef_costing = use_fast_coef_casting;
args.skippable = 1;
......@@ -833,6 +892,7 @@ static void txfm_rd_in_plane(MACROBLOCK *x,
#if CONFIG_SUPERTX
void vp10_txfm_rd_in_plane_supertx(MACROBLOCK *x,
const VP10_COMP *cpi,
int *rate, int64_t *distortion,
int *skippable, int64_t *sse,
int64_t ref_best_rd, int plane,
......@@ -844,6 +904,7 @@ void vp10_txfm_rd_in_plane_supertx(MACROBLOCK *x,
TX_TYPE tx_type;
vp10_zero(args);
args.cpi = cpi;
args.x = x;
args.best_rd = ref_best_rd;
args.use_fast_coef_costing = use_fast_coef_casting;
......@@ -923,9 +984,7 @@ static void choose_largest_tx_size(VP10_COMP *cpi, MACROBLOCK *x,
}
txfm_rd_in_plane(x,
#if CONFIG_VAR_TX
cpi,
#endif
&r, &d, &s,
&psse, ref_best_rd, 0, bs, mbmi->tx_size,
cpi->sf.use_fast_coef_costing);
......@@ -964,9 +1023,7 @@ static void choose_largest_tx_size(VP10_COMP *cpi, MACROBLOCK *x,
for (tx_type = 0; tx_type < TX_TYPES; ++tx_type) {
mbmi->tx_type = tx_type;
txfm_rd_in_plane(x,
#if CONFIG_VAR_TX
cpi,
#endif
&r, &d, &s,
&psse, ref_best_rd, 0, bs, mbmi->tx_size,
cpi->sf.use_fast_coef_costing);
......@@ -995,9 +1052,7 @@ static void choose_largest_tx_size(VP10_COMP *cpi, MACROBLOCK *x,
mbmi->tx_type = best_tx_type;
txfm_rd_in_plane(x,
#if CONFIG_VAR_TX
cpi,
#endif
rate, distortion, skip,
sse, ref_best_rd, 0, bs,
mbmi->tx_size, cpi->sf.use_fast_coef_costing);
......@@ -1042,9 +1097,7 @@ static void choose_smallest_tx_size(VP10_COMP *cpi, MACROBLOCK *x,
mbmi->tx_type = DCT_DCT;
txfm_rd_in_plane(x,
#if CONFIG_VAR_TX
cpi,
#endif
rate, distortion, skip,
sse, ref_best_rd, 0, bs,
mbmi->tx_size, cpi->sf.use_fast_coef_costing);
......@@ -1139,9 +1192,7 @@ static void choose_tx_size_from_rd(VP10_COMP *cpi, MACROBLOCK *x,
break;
}
txfm_rd_in_plane(x,
#if CONFIG_VAR_TX
cpi,
#endif
&r, &d, &s,
&sse, ref_best_rd, 0, bs, n,
cpi->sf.use_fast_coef_costing);
......@@ -1164,9 +1215,7 @@ static void choose_tx_size_from_rd(VP10_COMP *cpi, MACROBLOCK *x,
}
mbmi->tx_type = tx_type;
txfm_rd_in_plane(x,
#if CONFIG_VAR_TX
cpi,
#endif
&r, &d, &s,
&sse, ref_best_rd, 0, bs, n,
cpi->sf.use_fast_coef_costing);
......@@ -1228,9 +1277,7 @@ static void choose_tx_size_from_rd(VP10_COMP *cpi, MACROBLOCK *x,
if (mbmi->tx_size >= TX_32X32)
assert(mbmi->tx_type == DCT_DCT);
txfm_rd_in_plane(x,
#if CONFIG_VAR_TX
cpi,
#endif
&r, &d, &s,
&sse, ref_best_rd, 0, bs, best_tx,
cpi->sf.use_fast_coef_costing);
......@@ -2035,9 +2082,7 @@ static int64_t rd_pick_intra_angle_sby(VP10_COMP *cpi, MACROBLOCK *x,
if (*rate_tokenonly < INT_MAX) {
txfm_rd_in_plane(x,
#if CONFIG_VAR_TX
cpi,
#endif
&this_rate_tokenonly, &this_distortion, &s,
&sse_dummy, INT64_MAX, 0, bsize, mbmi->tx_size,
cpi->sf.use_fast_coef_costing);
......@@ -2348,7 +2393,7 @@ void vp10_tx_block_rd_b(const VP10_COMP *cpi, MACROBLOCK *x, TX_SIZE tx_size,
MACROBLOCKD *xd = &x->e_mbd;
const struct macroblock_plane *const p = &x->plane[plane];
struct macroblockd_plane *const pd = &xd->plane[plane];
unsigned int tmp_sse = 0;
unsigned int tmp;
tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block);
PLANE_TYPE plane_type = (plane == 0) ? PLANE_TYPE_Y : PLANE_TYPE_UV;
TX_TYPE tx_type = get_tx_type(plane_type, xd, block, tx_size);
......@@ -2363,10 +2408,9 @@ void vp10_tx_block_rd_b(const VP10_COMP *cpi, MACROBLOCK *x, TX_SIZE tx_size,
#if CONFIG_VP9_HIGHBITDEPTH
DECLARE_ALIGNED(16, uint16_t, rec_buffer_alloc_16[32 * 32]);
uint8_t *rec_buffer;
const uint32_t hbd_shift = (cpi->common.bit_depth - 8) * 2;
#else
DECLARE_ALIGNED(16, uint8_t, rec_buffer[32 * 32]);
#endif
#endif // CONFIG_VP9_HIGHBITDEPTH
const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize];
const int16_t *diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)];
......@@ -2381,6 +2425,7 @@ void vp10_tx_block_rd_b(const VP10_COMP *cpi, MACROBLOCK *x, TX_SIZE tx_size,
vp10_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size,
VP10_XFORM_QUANT_B);
// TODO(any): Use dist_block to compute distortion
#if CONFIG_VP9_HIGHBITDEPTH
if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
rec_buffer = CONVERT_TO_BYTEPTR(rec_buffer_alloc_16);
......@@ -2394,34 +2439,29 @@ void vp10_tx_block_rd_b(const VP10_COMP *cpi, MACROBLOCK *x, TX_SIZE tx_size,
#else
vpx_convolve_copy(dst, pd->dst.stride, rec_buffer, 32,
NULL, 0, NULL, 0, bh, bh);
#endif
#endif // CONFIG_VP9_HIGHBITDEPTH
if (blk_row + (bh >> 2) > max_blocks_high ||
blk_col + (bh >> 2) > max_blocks_wide) {
int idx, idy;
int blocks_height = VPXMIN(bh >> 2, max_blocks_high - blk_row);
int blocks_width = VPXMIN(bh >> 2, max_blocks_wide - blk_col);
tmp = 0;
for (idy = 0; idy < blocks_height; idy += 2) {
for (idx = 0; idx < blocks_width; idx += 2) {
const int16_t *d = diff + 4 * idy * diff_stride + 4 * idx;
#if CONFIG_VP9_HIGHBITDEPTH
tmp_sse += ROUND_POWER_OF_TWO(
vpx_sum_squares_2d_i16(d, diff_stride, 8), hbd_shift);
#else
tmp_sse += vpx_sum_squares_2d_i16(d, diff_stride, 8);
#endif
tmp += vpx_sum_squares_2d_i16(d, diff_stride, 8);
}
}
} else {
#if CONFIG_VP9_HIGHBITDEPTH
tmp_sse = ROUND_POWER_OF_TWO(
vpx_sum_squares_2d_i16(diff, diff_stride, bh), hbd_shift);
#else
tmp_sse = vpx_sum_squares_2d_i16(diff, diff_stride, bh);
#endif
tmp = vpx_sum_squares_2d_i16(diff, diff_stride, bh);
}
*bsse += (int64_t)tmp_sse * 16;
#if CONFIG_VP9_HIGHBITDEPTH
if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && (xd->bd > 8))
tmp = ROUND_POWER_OF_TWO(tmp, (xd->bd - 8) * 2);
#endif // CONFIG_VP9_HIGHBITDEPTH
*bsse += (int64_t)tmp * 16;
if (p->eobs[block] > 0) {
const int lossless = xd->lossless[xd->mi[0]->mbmi.segment_id];
......@@ -2479,25 +2519,25 @@ void vp10_tx_block_rd_b(const VP10_COMP *cpi, MACROBLOCK *x, TX_SIZE tx_size,
if ((bh >> 2) + blk_col > max_blocks_wide ||
(bh >> 2) + blk_row > max_blocks_high) {
int idx, idy;
unsigned int this_sse;
unsigned int this_dist;
int blocks_height = VPXMIN(bh >> 2, max_blocks_high - blk_row);
int blocks_width = VPXMIN(bh >> 2, max_blocks_wide - blk_col);
tmp_sse = 0;
tmp = 0;
for (idy = 0; idy < blocks_height; idy += 2) {
for (idx = 0; idx < blocks_width; idx += 2) {
cpi->fn_ptr[BLOCK_8X8].vf(src + 4 * idy * src_stride + 4 * idx,
src_stride,
rec_buffer + 4 * idy * 32 + 4 * idx,
32, &this_sse);
tmp_sse += this_sse;
32, &this_dist);
tmp += this_dist;
}
}
} else {
cpi->fn_ptr[txm_bsize].vf(src, src_stride,
rec_buffer, 32, &tmp_sse);
rec_buffer, 32, &tmp);
}
}
*dist += (int64_t)tmp_sse * 16;
*dist += (int64_t)tmp * 16;
*rate += cost_coeffs(x, plane, block, coeff_ctx, tx_size,
scan_order->scan, scan_order->neighbors, 0);
......@@ -3047,9 +3087,7 @@ static int super_block_uvrd(const VP10_COMP *cpi, MACROBLOCK *x,
for (plane = 1; plane < MAX_MB_PLANE; ++plane) {
txfm_rd_in_plane(x,
#if CONFIG_VAR_TX
cpi,
#endif
&pnrate, &pndist, &pnskip, &pnsse,
ref_best_rd, plane, bsize, uv_tx_size,
cpi->sf.use_fast_coef_costing);
......
vp10/encoder/rdopt.h
View file @ 3c4b56c4
......@@ -82,6 +82,7 @@ void vp10_tx_block_rd_b(const VP10_COMP *cpi, MACROBLOCK *x, TX_SIZE tx_size,
#endif
void vp10_txfm_rd_in_plane_supertx(MACROBLOCK *x,
const VP10_COMP *cpi,
int *rate, int64_t *distortion,
int *skippable, int64_t *sse,
int64_t ref_best_rd, int plane,
......
vp10/encoder/speed_features.c
View file @ 3c4b56c4
......@@ -159,6 +159,10 @@ static void set_good_speed_feature(VP10_COMP *cpi, VP10_COMMON *cm,
sf->tx_size_search_breakout = 1;
sf->partition_search_breakout_rate_thr = 80;
// Use transform domain distortion.
// Note var-tx expt always uses pixel domain distortion.
sf->use_transform_domain_distortion = 1;
}
if (speed >= 2) {
......@@ -271,6 +275,10 @@ static void set_rt_speed_feature(VP10_COMP *cpi, SPEED_FEATURES *sf,
sf->allow_exhaustive_searches = 0;
sf->exhaustive_searches_thresh = INT_MAX;
// Use transform domain distortion computation
// Note var-tx expt always uses pixel domain distortion.
sf->use_transform_domain_distortion = 1;
if (speed >= 1) {
sf->use_square_partition_only = !frame_is_intra_only(cm);
sf->less_rectangular_check = 1;
......@@ -511,6 +519,9 @@ void vp10_set_speed_features_framesize_independent(VP10_COMP *cpi) {
sf->partition_search_breakout_rate_thr = 0;
sf->simple_model_rd_from_var = 0;
// Set this at the appropriate speed levels
sf->use_transform_domain_distortion = 0;
if (oxcf->mode == REALTIME)
set_rt_speed_feature(cpi, sf, oxcf->speed, oxcf->content);
else if (oxcf->mode == GOOD)
......
vp10/encoder/speed_features.h
View file @ 3c4b56c4
......@@ -465,6 +465,10 @@ typedef struct SPEED_FEATURES {
// Fast approximation of vp10_model_rd_from_var_lapndz
int simple_model_rd_from_var;
// Whether to compute distortion in the image domain (slower but
// more accurate), or in the transform domain (faster but less acurate).
int use_transform_domain_distortion;
} SPEED_FEATURES;
struct VP10_COMP;
......
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