int mi_row,
int mi_col) {
const int idx_str = xd->mi_stride * mi_row + mi_col;
- xd->mi = cm->mi_grid_visible + idx_str;
- xd->mi[0] = cm->mi + idx_str;
+ xd->mi = cm->mi + idx_str;
+ xd->mi[0].src_mi = &xd->mi[0];
}
static void set_offsets(VP9_COMP *cpi, const TileInfo *const tile,
set_modeinfo_offsets(cm, xd, mi_row, mi_col);
- mbmi = &xd->mi[0]->mbmi;
+ mbmi = &xd->mi[0].src_mi->mbmi;
// Set up destination pointers.
vp9_setup_dst_planes(xd->plane, get_frame_new_buffer(cm), mi_row, mi_col);
}
}
-static void duplicate_mode_info_in_sb(VP9_COMMON * const cm,
- MACROBLOCKD *const xd,
- int mi_row,
- int mi_col,
- BLOCK_SIZE bsize) {
+static void duplicate_mode_info_in_sb(VP9_COMMON *cm, MACROBLOCKD *xd,
+ int mi_row, int mi_col,
+ BLOCK_SIZE bsize) {
const int block_width = num_8x8_blocks_wide_lookup[bsize];
const int block_height = num_8x8_blocks_high_lookup[bsize];
int i, j;
for (j = 0; j < block_height; ++j)
for (i = 0; i < block_width; ++i) {
if (mi_row + j < cm->mi_rows && mi_col + i < cm->mi_cols)
- xd->mi[j * xd->mi_stride + i] = xd->mi[0];
+ xd->mi[j * xd->mi_stride + i].src_mi = &xd->mi[0];
}
}
if (cpi->common.mi_cols > mi_col && cpi->common.mi_rows > mi_row) {
MACROBLOCKD *const xd = &cpi->mb.e_mbd;
set_modeinfo_offsets(&cpi->common, xd, mi_row, mi_col);
- xd->mi[0]->mbmi.sb_type = bsize;
+ xd->mi[0].src_mi->mbmi.sb_type = bsize;
duplicate_mode_info_in_sb(&cpi->common, xd, mi_row, mi_col, bsize);
}
}
}
default: {
assert(0);
+ break;
}
}
}
if (cm->frame_type != KEY_FRAME) {
vp9_setup_pre_planes(xd, 0, yv12, mi_row, mi_col, sf);
- xd->mi[0]->mbmi.ref_frame[0] = LAST_FRAME;
- xd->mi[0]->mbmi.sb_type = BLOCK_64X64;
+ xd->mi[0].src_mi->mbmi.ref_frame[0] = LAST_FRAME;
+ xd->mi[0].src_mi->mbmi.sb_type = BLOCK_64X64;
vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv,
- xd->mi[0]->mbmi.ref_mvs[LAST_FRAME],
+ xd->mi[0].src_mi->mbmi.ref_mvs[LAST_FRAME],
&nearest_mv, &near_mv);
- xd->mi[0]->mbmi.mv[0] = nearest_mv;
+ xd->mi[0].src_mi->mbmi.mv[0] = nearest_mv;
vp9_build_inter_predictors_sby(xd, mi_row, mi_col, BLOCK_64X64);
d = xd->plane[0].dst.buf;
struct macroblock_plane *const p = x->plane;
struct macroblockd_plane *const pd = xd->plane;
MODE_INFO *mi = &ctx->mic;
- MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
- MODE_INFO *mi_addr = xd->mi[0];
+ MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;
+ MODE_INFO *mi_addr = &xd->mi[0];
const struct segmentation *const seg = &cm->seg;
const int mis = cm->mi_stride;
assert(mi->mbmi.sb_type == bsize);
*mi_addr = *mi;
+ mi_addr->src_mi = mi_addr;
// If segmentation in use
if (seg->enabled && output_enabled) {
}
// Else for cyclic refresh mode update the segment map, set the segment id
// and then update the quantizer.
- else if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
- vp9_cyclic_refresh_update_segment(cpi, &xd->mi[0]->mbmi,
+ if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) {
+ vp9_cyclic_refresh_update_segment(cpi, &xd->mi[0].src_mi->mbmi,
mi_row, mi_col, bsize, 1);
- vp9_init_plane_quantizers(cpi, x);
}
}
for (x_idx = 0; x_idx < mi_width; x_idx++)
if ((xd->mb_to_right_edge >> (3 + MI_SIZE_LOG2)) + mi_width > x_idx
&& (xd->mb_to_bottom_edge >> (3 + MI_SIZE_LOG2)) + mi_height > y) {
- xd->mi[x_idx + y * mis] = mi_addr;
+ xd->mi[x_idx + y * mis].src_mi = mi_addr;
}
if (cpi->oxcf.aq_mode)
static void set_mode_info_seg_skip(MACROBLOCK *x, TX_MODE tx_mode, int *rate,
int64_t *dist, BLOCK_SIZE bsize) {
MACROBLOCKD *const xd = &x->e_mbd;
- MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;
INTERP_FILTER filter_ref;
if (xd->up_available)
- filter_ref = xd->mi[-xd->mi_stride]->mbmi.interp_filter;
+ filter_ref = xd->mi[-xd->mi_stride].src_mi->mbmi.interp_filter;
else if (xd->left_available)
- filter_ref = xd->mi[-1]->mbmi.interp_filter;
+ filter_ref = xd->mi[-1].src_mi->mbmi.interp_filter;
else
filter_ref = EIGHTTAP;
mbmi->mv[0].as_int = 0;
mbmi->interp_filter = filter_ref;
- xd->mi[0]->bmi[0].as_mv[0].as_int = 0;
+ xd->mi[0].src_mi->bmi[0].as_mv[0].as_int = 0;
x->skip = 1;
*rate = 0;
}
set_offsets(cpi, tile, mi_row, mi_col, bsize);
- mbmi = &xd->mi[0]->mbmi;
+ mbmi = &xd->mi[0].src_mi->mbmi;
mbmi->sb_type = bsize;
for (i = 0; i < MAX_MB_PLANE; ++i) {
p[i].eobs = ctx->eobs_pbuf[i][0];
}
ctx->is_coded = 0;
+ ctx->skippable = 0;
x->skip_recode = 0;
// Set to zero to make sure we do not use the previous encoded frame stats
}
}
-static void update_stats(VP9_COMP *cpi) {
- VP9_COMMON *const cm = &cpi->common;
- const MACROBLOCK *const x = &cpi->mb;
+static void update_stats(VP9_COMMON *cm, const MACROBLOCK *x) {
const MACROBLOCKD *const xd = &x->e_mbd;
- const MODE_INFO *const mi = xd->mi[0];
+ const MODE_INFO *const mi = xd->mi[0].src_mi;
const MB_MODE_INFO *const mbmi = &mi->mbmi;
if (!frame_is_intra_only(cm)) {
encode_superblock(cpi, tp, output_enabled, mi_row, mi_col, bsize, ctx);
if (output_enabled) {
- update_stats(cpi);
+ update_stats(&cpi->common, &cpi->mb);
(*tp)->token = EOSB_TOKEN;
(*tp)++;
break;
default:
assert("Invalid partition type.");
+ break;
}
if (partition != PARTITION_SPLIT || bsize == BLOCK_8X8)
static void set_partial_b64x64_partition(MODE_INFO *mi, int mis,
int bh_in, int bw_in, int row8x8_remaining, int col8x8_remaining,
- BLOCK_SIZE bsize, MODE_INFO **mi_8x8) {
+ BLOCK_SIZE bsize, MODE_INFO *mi_8x8) {
int bh = bh_in;
int r, c;
for (r = 0; r < MI_BLOCK_SIZE; r += bh) {
int bw = bw_in;
for (c = 0; c < MI_BLOCK_SIZE; c += bw) {
const int index = r * mis + c;
- mi_8x8[index] = mi + index;
- mi_8x8[index]->mbmi.sb_type = find_partition_size(bsize,
+ mi_8x8[index].src_mi = mi + index;
+ mi_8x8[index].src_mi->mbmi.sb_type = find_partition_size(bsize,
row8x8_remaining - r, col8x8_remaining - c, &bh, &bw);
}
}
// may not be allowed in which case this code attempts to choose the largest
// allowable partition.
static void set_fixed_partitioning(VP9_COMP *cpi, const TileInfo *const tile,
- MODE_INFO **mi_8x8, int mi_row, int mi_col,
+ MODE_INFO *mi_8x8, int mi_row, int mi_col,
BLOCK_SIZE bsize) {
VP9_COMMON *const cm = &cpi->common;
const int mis = cm->mi_stride;
for (block_row = 0; block_row < MI_BLOCK_SIZE; block_row += bh) {
for (block_col = 0; block_col < MI_BLOCK_SIZE; block_col += bw) {
int index = block_row * mis + block_col;
- mi_8x8[index] = mi_upper_left + index;
- mi_8x8[index]->mbmi.sb_type = bsize;
+ mi_8x8[index].src_mi = mi_upper_left + index;
+ mi_8x8[index].src_mi->mbmi.sb_type = bsize;
}
}
} else {
}
}
-static void copy_partitioning(VP9_COMMON *cm, MODE_INFO **mi_8x8,
- MODE_INFO **prev_mi_8x8) {
+static void copy_partitioning(VP9_COMMON *cm, MODE_INFO *mi_8x8,
+ MODE_INFO *prev_mi_8x8) {
const int mis = cm->mi_stride;
int block_row, block_col;
for (block_row = 0; block_row < 8; ++block_row) {
for (block_col = 0; block_col < 8; ++block_col) {
- MODE_INFO *const prev_mi = prev_mi_8x8[block_row * mis + block_col];
+ MODE_INFO *const prev_mi =
+ prev_mi_8x8[block_row * mis + block_col].src_mi;
const BLOCK_SIZE sb_type = prev_mi ? prev_mi->mbmi.sb_type : 0;
if (prev_mi) {
const ptrdiff_t offset = prev_mi - cm->prev_mi;
- mi_8x8[block_row * mis + block_col] = cm->mi + offset;
- mi_8x8[block_row * mis + block_col]->mbmi.sb_type = sb_type;
+ mi_8x8[block_row * mis + block_col].src_mi = cm->mi + offset;
+ mi_8x8[block_row * mis + block_col].src_mi->mbmi.sb_type = sb_type;
}
}
}
static void constrain_copy_partitioning(VP9_COMP *const cpi,
const TileInfo *const tile,
- MODE_INFO **mi_8x8,
- MODE_INFO **prev_mi_8x8,
+ MODE_INFO *mi_8x8,
+ MODE_INFO *prev_mi_8x8,
int mi_row, int mi_col,
BLOCK_SIZE bsize) {
VP9_COMMON *const cm = &cpi->common;
for (block_row = 0; block_row < MI_BLOCK_SIZE; block_row += bh) {
for (block_col = 0; block_col < MI_BLOCK_SIZE; block_col += bw) {
const int index = block_row * mis + block_col;
- MODE_INFO *prev_mi = prev_mi_8x8[index];
+ MODE_INFO *prev_mi = prev_mi_8x8[index].src_mi;
const BLOCK_SIZE sb_type = prev_mi ? prev_mi->mbmi.sb_type : 0;
// Use previous partition if block size is not larger than bsize.
if (prev_mi && sb_type <= bsize) {
for (block_col2 = 0; block_col2 < bw; ++block_col2) {
const int index2 = (block_row + block_row2) * mis +
block_col + block_col2;
- prev_mi = prev_mi_8x8[index2];
+ prev_mi = prev_mi_8x8[index2].src_mi;
if (prev_mi) {
const ptrdiff_t offset = prev_mi - cm->prev_mi;
- mi_8x8[index2] = cm->mi + offset;
- mi_8x8[index2]->mbmi.sb_type = prev_mi->mbmi.sb_type;
+ mi_8x8[index2].src_mi = cm->mi + offset;
+ mi_8x8[index2].src_mi->mbmi.sb_type = prev_mi->mbmi.sb_type;
}
}
}
} else {
// Otherwise, use fixed partition of size bsize.
- mi_8x8[index] = mi_upper_left + index;
- mi_8x8[index]->mbmi.sb_type = bsize;
+ mi_8x8[index].src_mi = mi_upper_left + index;
+ mi_8x8[index].src_mi->mbmi.sb_type = bsize;
}
}
}
static void set_source_var_based_partition(VP9_COMP *cpi,
const TileInfo *const tile,
- MODE_INFO **mi_8x8,
+ MODE_INFO *mi_8x8,
int mi_row, int mi_col) {
VP9_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &cpi->mb;
d16[j] = cpi->source_diff_var + offset + boffset;
index = b_mi_row * mis + b_mi_col;
- mi_8x8[index] = mi_upper_left + index;
- mi_8x8[index]->mbmi.sb_type = BLOCK_16X16;
+ mi_8x8[index].src_mi = mi_upper_left + index;
+ mi_8x8[index].src_mi->mbmi.sb_type = BLOCK_16X16;
// TODO(yunqingwang): If d16[j].var is very large, use 8x8 partition
// size to further improve quality.
d32[i].var = d32[i].sse - (((int64_t)d32[i].sum * d32[i].sum) >> 10);
index = coord_lookup[i*4].row * mis + coord_lookup[i*4].col;
- mi_8x8[index] = mi_upper_left + index;
- mi_8x8[index]->mbmi.sb_type = BLOCK_32X32;
+ mi_8x8[index].src_mi = mi_upper_left + index;
+ mi_8x8[index].src_mi->mbmi.sb_type = BLOCK_32X32;
}
}
// Use 64x64 partition
if (is_larger_better) {
- mi_8x8[0] = mi_upper_left;
- mi_8x8[0]->mbmi.sb_type = BLOCK_64X64;
+ mi_8x8[0].src_mi = mi_upper_left;
+ mi_8x8[0].src_mi->mbmi.sb_type = BLOCK_64X64;
}
}
} else { // partial in-image SB64
}
}
-static int is_background(VP9_COMP *cpi, const TileInfo *const tile,
+static int is_background(const VP9_COMP *cpi, const TileInfo *const tile,
int mi_row, int mi_col) {
- MACROBLOCK *x = &cpi->mb;
- uint8_t *src, *pre;
- int src_stride, pre_stride;
-
+ // This assumes the input source frames are of the same dimension.
const int row8x8_remaining = tile->mi_row_end - mi_row;
const int col8x8_remaining = tile->mi_col_end - mi_col;
-
+ const int x = mi_col * MI_SIZE;
+ const int y = mi_row * MI_SIZE;
+ const int src_stride = cpi->Source->y_stride;
+ const uint8_t *const src = &cpi->Source->y_buffer[y * src_stride + x];
+ const int pre_stride = cpi->Last_Source->y_stride;
+ const uint8_t *const pre = &cpi->Last_Source->y_buffer[y * pre_stride + x];
int this_sad = 0;
int threshold = 0;
- // This assumes the input source frames are of the same dimension.
- src_stride = cpi->Source->y_stride;
- src = cpi->Source->y_buffer + (mi_row * MI_SIZE) * src_stride +
- (mi_col * MI_SIZE);
- pre_stride = cpi->Last_Source->y_stride;
- pre = cpi->Last_Source->y_buffer + (mi_row * MI_SIZE) * pre_stride +
- (mi_col * MI_SIZE);
-
if (row8x8_remaining >= MI_BLOCK_SIZE &&
col8x8_remaining >= MI_BLOCK_SIZE) {
- this_sad = cpi->fn_ptr[BLOCK_64X64].sdf(src, src_stride,
- pre, pre_stride);
+ this_sad = cpi->fn_ptr[BLOCK_64X64].sdf(src, src_stride, pre, pre_stride);
threshold = (1 << 12);
} else {
int r, c;
threshold = (row8x8_remaining * col8x8_remaining) << 6;
}
- x->in_static_area = (this_sad < 2 * threshold);
- return x->in_static_area;
+ return this_sad < 2 * threshold;
}
-static int sb_has_motion(const VP9_COMMON *cm, MODE_INFO **prev_mi_8x8,
+static int sb_has_motion(const VP9_COMMON *cm, MODE_INFO *prev_mi_8x8,
const int motion_thresh) {
const int mis = cm->mi_stride;
int block_row, block_col;
if (cm->prev_mi) {
for (block_row = 0; block_row < 8; ++block_row) {
for (block_col = 0; block_col < 8; ++block_col) {
- const MODE_INFO *prev_mi = prev_mi_8x8[block_row * mis + block_col];
+ const MODE_INFO *prev_mi =
+ prev_mi_8x8[block_row * mis + block_col].src_mi;
if (prev_mi) {
if (abs(prev_mi->mbmi.mv[0].as_mv.row) > motion_thresh ||
abs(prev_mi->mbmi.mv[0].as_mv.col) > motion_thresh)
VP9_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &cpi->mb;
MACROBLOCKD *const xd = &x->e_mbd;
- MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
+ MB_MODE_INFO *const mbmi = &xd->mi[0].src_mi->mbmi;
const struct segmentation *const seg = &cm->seg;
- *(xd->mi[0]) = ctx->mic;
+ *(xd->mi[0].src_mi) = ctx->mic;
+ xd->mi[0].src_mi = &xd->mi[0];
+
// For in frame adaptive Q, check for reseting the segment_id and updating
// the cyclic refresh map.
if ((cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ) && seg->enabled) {
- vp9_cyclic_refresh_update_segment(cpi, &xd->mi[0]->mbmi,
+ vp9_cyclic_refresh_update_segment(cpi, &xd->mi[0].src_mi->mbmi,
mi_row, mi_col, bsize, 1);
vp9_init_plane_quantizers(cpi, x);
}
}
x->skip = ctx->skip;
- x->skip_txfm = mbmi->segment_id ? 0 : ctx->skip_txfm;
+ x->skip_txfm[0] = mbmi->segment_id ? 0 : ctx->skip_txfm[0];
}
static void encode_b_rt(VP9_COMP *cpi, const TileInfo *const tile,
TOKENEXTRA **tp, int mi_row, int mi_col,
int output_enabled, BLOCK_SIZE bsize,
PICK_MODE_CONTEXT *ctx) {
-
-
set_offsets(cpi, tile, mi_row, mi_col, bsize);
update_state_rt(cpi, ctx, mi_row, mi_col, bsize);
-#if CONFIG_DENOISING
+#if CONFIG_VP9_TEMPORAL_DENOISING
if (cpi->oxcf.noise_sensitivity > 0 && output_enabled) {
vp9_denoiser_denoise(&cpi->denoiser, &cpi->mb, mi_row, mi_col,
MAX(BLOCK_8X8, bsize), ctx);
#endif
encode_superblock(cpi, tp, output_enabled, mi_row, mi_col, bsize, ctx);
- update_stats(cpi);
+ update_stats(&cpi->common, &cpi->mb);
(*tp)->token = EOSB_TOKEN;
(*tp)++;
return;
if (bsize >= BLOCK_8X8) {
- MACROBLOCKD *const xd = &cpi->mb.e_mbd;
const int idx_str = xd->mi_stride * mi_row + mi_col;
- MODE_INFO ** mi_8x8 = cm->mi_grid_visible + idx_str;
+ MODE_INFO *mi_8x8 = cm->mi[idx_str].src_mi;
ctx = partition_plane_context(xd, mi_row, mi_col, bsize);
- subsize = mi_8x8[0]->mbmi.sb_type;
+ subsize = mi_8x8[0].src_mi->mbmi.sb_type;
} else {
ctx = 0;
subsize = BLOCK_4X4;
break;
default:
assert("Invalid partition type.");
+ break;
}
if (partition != PARTITION_SPLIT || bsize == BLOCK_8X8)
static void rd_use_partition(VP9_COMP *cpi,
const TileInfo *const tile,
- MODE_INFO **mi_8x8,
+ MODE_INFO *mi_8x8,
TOKENEXTRA **tp, int mi_row, int mi_col,
BLOCK_SIZE bsize, int *rate, int64_t *dist,
int do_recon, PC_TREE *pc_tree) {
int64_t chosen_rd = INT64_MAX;
BLOCK_SIZE sub_subsize = BLOCK_4X4;
int splits_below = 0;
- BLOCK_SIZE bs_type = mi_8x8[0]->mbmi.sb_type;
+ BLOCK_SIZE bs_type = mi_8x8[0].src_mi->mbmi.sb_type;
int do_partition_search = 1;
PICK_MODE_CONTEXT *ctx = &pc_tree->none;
pc_tree->partitioning = partition;
save_context(cpi, mi_row, mi_col, a, l, sa, sl, bsize);
- if (bsize == BLOCK_16X16) {
+ if (bsize == BLOCK_16X16 && cpi->oxcf.aq_mode) {
set_offsets(cpi, tile, mi_row, mi_col, bsize);
x->mb_energy = vp9_block_energy(cpi, x, bsize);
}
splits_below = 1;
for (i = 0; i < 4; i++) {
int jj = i >> 1, ii = i & 0x01;
- MODE_INFO * this_mi = mi_8x8[jj * bss * mis + ii * bss];
+ MODE_INFO *this_mi = mi_8x8[jj * bss * mis + ii * bss].src_mi;
if (this_mi && this_mi->mbmi.sb_type >= sub_subsize) {
splits_below = 0;
}
}
restore_context(cpi, mi_row, mi_col, a, l, sa, sl, bsize);
- mi_8x8[0]->mbmi.sb_type = bs_type;
+ mi_8x8[0].src_mi->mbmi.sb_type = bs_type;
pc_tree->partitioning = partition;
}
}
break;
default:
assert(0);
+ break;
}
pl = partition_plane_context(xd, mi_row, mi_col, bsize);
// If last_part is better set the partitioning to that.
if (last_part_rd < chosen_rd) {
- mi_8x8[0]->mbmi.sb_type = bsize;
+ mi_8x8[0].src_mi->mbmi.sb_type = bsize;
if (bsize >= BLOCK_8X8)
pc_tree->partitioning = partition;
chosen_rate = last_part_rate;
//
// The min and max are assumed to have been initialized prior to calling this
// function so repeat calls can accumulate a min and max of more than one sb64.
-static void get_sb_partition_size_range(VP9_COMP *cpi, MODE_INFO ** mi_8x8,
- BLOCK_SIZE * min_block_size,
- BLOCK_SIZE * max_block_size ) {
- MACROBLOCKD *const xd = &cpi->mb.e_mbd;
+static void get_sb_partition_size_range(MACROBLOCKD *xd, MODE_INFO *mi_8x8,
+ BLOCK_SIZE *min_block_size,
+ BLOCK_SIZE *max_block_size,
+ int bs_hist[BLOCK_SIZES]) {
int sb_width_in_blocks = MI_BLOCK_SIZE;
int sb_height_in_blocks = MI_BLOCK_SIZE;
int i, j;
// Check the sb_type for each block that belongs to this region.
for (i = 0; i < sb_height_in_blocks; ++i) {
for (j = 0; j < sb_width_in_blocks; ++j) {
- MODE_INFO * mi = mi_8x8[index+j];
+ MODE_INFO *mi = mi_8x8[index+j].src_mi;
BLOCK_SIZE sb_type = mi ? mi->mbmi.sb_type : 0;
+ bs_hist[sb_type]++;
*min_block_size = MIN(*min_block_size, sb_type);
*max_block_size = MAX(*max_block_size, sb_type);
}
BLOCK_SIZE *max_block_size) {
VP9_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &cpi->mb.e_mbd;
- MODE_INFO **mi = xd->mi;
- const int left_in_image = xd->left_available && mi[-1];
- const int above_in_image = xd->up_available && mi[-xd->mi_stride];
+ MODE_INFO *mi = xd->mi[0].src_mi;
+ const int left_in_image = xd->left_available && mi[-1].src_mi;
+ const int above_in_image = xd->up_available && mi[-xd->mi_stride].src_mi;
const int row8x8_remaining = tile->mi_row_end - mi_row;
const int col8x8_remaining = tile->mi_col_end - mi_col;
int bh, bw;
BLOCK_SIZE min_size = BLOCK_4X4;
BLOCK_SIZE max_size = BLOCK_64X64;
+ int i = 0;
+ int bs_hist[BLOCK_SIZES] = {0};
+
// Trap case where we do not have a prediction.
if (left_in_image || above_in_image || cm->frame_type != KEY_FRAME) {
// Default "min to max" and "max to min"
// passed in values for min and max as a starting point.
// Find the min and max partition used in previous frame at this location
if (cm->frame_type != KEY_FRAME) {
- MODE_INFO **const prev_mi =
- &cm->prev_mi_grid_visible[mi_row * xd->mi_stride + mi_col];
- get_sb_partition_size_range(cpi, prev_mi, &min_size, &max_size);
+ MODE_INFO *prev_mi =
+ cm->prev_mip + cm->mi_stride + 1 + mi_row * xd->mi_stride + mi_col;
+
+ get_sb_partition_size_range(xd, prev_mi, &min_size, &max_size, bs_hist);
}
// Find the min and max partition sizes used in the left SB64
if (left_in_image) {
- MODE_INFO **left_sb64_mi = &mi[-MI_BLOCK_SIZE];
- get_sb_partition_size_range(cpi, left_sb64_mi, &min_size, &max_size);
+ MODE_INFO *left_sb64_mi = mi[-MI_BLOCK_SIZE].src_mi;
+ get_sb_partition_size_range(xd, left_sb64_mi, &min_size, &max_size,
+ bs_hist);
}
// Find the min and max partition sizes used in the above SB64.
if (above_in_image) {
- MODE_INFO **above_sb64_mi = &mi[-xd->mi_stride * MI_BLOCK_SIZE];
- get_sb_partition_size_range(cpi, above_sb64_mi, &min_size, &max_size);
+ MODE_INFO *above_sb64_mi = mi[-xd->mi_stride * MI_BLOCK_SIZE].src_mi;
+ get_sb_partition_size_range(xd, above_sb64_mi, &min_size, &max_size,
+ bs_hist);
}
+
// adjust observed min and max
if (cpi->sf.auto_min_max_partition_size == RELAXED_NEIGHBORING_MIN_MAX) {
min_size = min_partition_size[min_size];
max_size = max_partition_size[max_size];
+ } else if (cpi->sf.auto_min_max_partition_size ==
+ CONSTRAIN_NEIGHBORING_MIN_MAX) {
+ // adjust the search range based on the histogram of the observed
+ // partition sizes from left, above the previous co-located blocks
+ int sum = 0;
+ int first_moment = 0;
+ int second_moment = 0;
+ int var_unnormalized = 0;
+
+ for (i = 0; i < BLOCK_SIZES; i++) {
+ sum += bs_hist[i];
+ first_moment += bs_hist[i] * i;
+ second_moment += bs_hist[i] * i * i;
+ }
+
+ // if variance is small enough,
+ // adjust the range around its mean size, which gives a tighter range
+ var_unnormalized = second_moment - first_moment * first_moment / sum;
+ if (var_unnormalized <= 4 * sum) {
+ int mean = first_moment / sum;
+ min_size = min_partition_size[mean];
+ max_size = max_partition_size[mean];
+ } else {
+ min_size = min_partition_size[min_size];
+ max_size = max_partition_size[max_size];
+ }
}
}
next_square_size[max_size] < min_size) {
min_size = next_square_size[max_size];
}
+
*min_block_size = min_size;
*max_block_size = max_size;
}
BLOCK_SIZE *max_block_size) {
VP9_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &cpi->mb.e_mbd;
- MODE_INFO **mi_8x8 = xd->mi;
- const int left_in_image = xd->left_available && mi_8x8[-1];
+ MODE_INFO *mi_8x8 = xd->mi;
+ const int left_in_image = xd->left_available && mi_8x8[-1].src_mi;
const int above_in_image = xd->up_available &&
- mi_8x8[-xd->mi_stride];
+ mi_8x8[-xd->mi_stride].src_mi;
int row8x8_remaining = tile->mi_row_end - mi_row;
int col8x8_remaining = tile->mi_col_end - mi_col;
int bh, bw;
BLOCK_SIZE max_size = BLOCK_8X8;
int bsl = mi_width_log2(BLOCK_64X64);
const int search_range_ctrl = (((mi_row + mi_col) >> bsl) +
- get_chessboard_index(cm)) % 2;
+ get_chessboard_index(cm->current_video_frame)) & 0x1;
// Trap case where we do not have a prediction.
if (search_range_ctrl &&
(left_in_image || above_in_image || cm->frame_type != KEY_FRAME)) {
int block;
- MODE_INFO **mi;
+ MODE_INFO *mi;
BLOCK_SIZE sb_type;
// Find the min and max partition sizes used in the left SB64.
if (left_in_image) {
MODE_INFO *cur_mi;
- mi = &mi_8x8[-1];
+ mi = mi_8x8[-1].src_mi;
for (block = 0; block < MI_BLOCK_SIZE; ++block) {
- cur_mi = mi[block * xd->mi_stride];
+ cur_mi = mi[block * xd->mi_stride].src_mi;
sb_type = cur_mi ? cur_mi->mbmi.sb_type : 0;
min_size = MIN(min_size, sb_type);
max_size = MAX(max_size, sb_type);
}
// Find the min and max partition sizes used in the above SB64.
if (above_in_image) {
- mi = &mi_8x8[-xd->mi_stride * MI_BLOCK_SIZE];
+ mi = mi_8x8[-xd->mi_stride * MI_BLOCK_SIZE].src_mi;
for (block = 0; block < MI_BLOCK_SIZE; ++block) {
- sb_type = mi[block] ? mi[block]->mbmi.sb_type : 0;
+ sb_type = mi[block].src_mi ? mi[block].src_mi->mbmi.sb_type : 0;
min_size = MIN(min_size, sb_type);
max_size = MAX(max_size, sb_type);
}
*max_block_size = max_size;
}
+// TODO(jingning) refactor functions setting partition search range
+static void set_partition_range(VP9_COMMON *cm, MACROBLOCKD *xd,
+ int mi_row, int mi_col, BLOCK_SIZE bsize,
+ BLOCK_SIZE *min_bs, BLOCK_SIZE *max_bs) {
+ int mi_width = num_8x8_blocks_wide_lookup[bsize];
+ int mi_height = num_8x8_blocks_high_lookup[bsize];
+ int idx, idy;
+
+ MODE_INFO *mi;
+ const int idx_str = cm->mi_stride * mi_row + mi_col;
+ MODE_INFO *prev_mi = (cm->prev_mip + cm->mi_stride + 1 + idx_str)->src_mi;
+
+
+ BLOCK_SIZE bs, min_size, max_size;
+
+ min_size = BLOCK_64X64;
+ max_size = BLOCK_4X4;
+
+ if (prev_mi) {
+ for (idy = 0; idy < mi_height; ++idy) {
+ for (idx = 0; idx < mi_width; ++idx) {
+ mi = prev_mi[idy * cm->mi_stride + idx].src_mi;
+ bs = mi ? mi->mbmi.sb_type : bsize;
+ min_size = MIN(min_size, bs);
+ max_size = MAX(max_size, bs);
+ }
+ }
+ }
+
+ if (xd->left_available) {
+ for (idy = 0; idy < mi_height; ++idy) {
+ mi = xd->mi[idy * cm->mi_stride - 1].src_mi;
+ bs = mi ? mi->mbmi.sb_type : bsize;
+ min_size = MIN(min_size, bs);
+ max_size = MAX(max_size, bs);
+ }
+ }
+
+ if (xd->up_available) {
+ for (idx = 0; idx < mi_width; ++idx) {
+ mi = xd->mi[idx - cm->mi_stride].src_mi;
+ bs = mi ? mi->mbmi.sb_type : bsize;
+ min_size = MIN(min_size, bs);
+ max_size = MAX(max_size, bs);
+ }
+ }
+
+ if (min_size == max_size) {
+ min_size = min_partition_size[min_size];
+ max_size = max_partition_size[max_size];
+ }
+
+ *min_bs = min_size;
+ *max_bs = max_size;
+}
+
static INLINE void store_pred_mv(MACROBLOCK *x, PICK_MODE_CONTEXT *ctx) {
vpx_memcpy(ctx->pred_mv, x->pred_mv, sizeof(x->pred_mv));
}
vpx_memcpy(x->pred_mv, ctx->pred_mv, sizeof(x->pred_mv));
}
+#if CONFIG_FP_MB_STATS
+const int num_16x16_blocks_wide_lookup[BLOCK_SIZES] =
+ {1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 4, 4};
+const int num_16x16_blocks_high_lookup[BLOCK_SIZES] =
+ {1, 1, 1, 1, 1, 1, 1, 2, 1, 2, 4, 2, 4};
+const int qindex_skip_threshold_lookup[BLOCK_SIZES] =
+ {0, 10, 10, 30, 40, 40, 60, 80, 80, 90, 100, 100, 120};
+const int qindex_split_threshold_lookup[BLOCK_SIZES] =
+ {0, 3, 3, 7, 15, 15, 30, 40, 40, 60, 80, 80, 120};
+const int complexity_16x16_blocks_threshold[BLOCK_SIZES] =
+ {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 6};
+
+typedef enum {
+ MV_ZERO = 0,
+ MV_LEFT = 1,
+ MV_UP = 2,
+ MV_RIGHT = 3,
+ MV_DOWN = 4,
+ MV_INVALID
+} MOTION_DIRECTION;
+
+static INLINE MOTION_DIRECTION get_motion_direction_fp(uint8_t fp_byte) {
+ if (fp_byte & FPMB_MOTION_ZERO_MASK) {
+ return MV_ZERO;
+ } else if (fp_byte & FPMB_MOTION_LEFT_MASK) {
+ return MV_LEFT;
+ } else if (fp_byte & FPMB_MOTION_RIGHT_MASK) {
+ return MV_RIGHT;
+ } else if (fp_byte & FPMB_MOTION_UP_MASK) {
+ return MV_UP;
+ } else {
+ return MV_DOWN;
+ }
+}
+
+static INLINE int get_motion_inconsistency(MOTION_DIRECTION this_mv,
+ MOTION_DIRECTION that_mv) {
+ if (this_mv == that_mv) {
+ return 0;
+ } else {
+ return abs(this_mv - that_mv) == 2 ? 2 : 1;
+ }
+}
+#endif
+
// TODO(jingning,jimbankoski,rbultje): properly skip partition types that are
// unlikely to be selected depending on previous rate-distortion optimization
// results, for encoding speed-up.
static void rd_pick_partition(VP9_COMP *cpi, const TileInfo *const tile,
TOKENEXTRA **tp, int mi_row,
int mi_col, BLOCK_SIZE bsize, int *rate,
- int64_t *dist, int do_recon, int64_t best_rd,
+ int64_t *dist, int64_t best_rd,
PC_TREE *pc_tree) {
VP9_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &cpi->mb;
int64_t sum_rd = 0;
int do_split = bsize >= BLOCK_8X8;
int do_rect = 1;
+
// Override skipping rectangular partition operations for edge blocks
const int force_horz_split = (mi_row + mi_step >= cm->mi_rows);
const int force_vert_split = (mi_col + mi_step >= cm->mi_cols);
const int xss = x->e_mbd.plane[1].subsampling_x;
const int yss = x->e_mbd.plane[1].subsampling_y;
+ BLOCK_SIZE min_size = cpi->sf.min_partition_size;
+ BLOCK_SIZE max_size = cpi->sf.max_partition_size;
+
+#if CONFIG_FP_MB_STATS
+ unsigned int src_diff_var = UINT_MAX;
+ int none_complexity = 0;
+#endif
+
int partition_none_allowed = !force_horz_split && !force_vert_split;
int partition_horz_allowed = !force_vert_split && yss <= xss &&
bsize >= BLOCK_8X8;
assert(num_8x8_blocks_wide_lookup[bsize] ==
num_8x8_blocks_high_lookup[bsize]);
- if (bsize == BLOCK_16X16) {
- set_offsets(cpi, tile, mi_row, mi_col, bsize);
+ set_offsets(cpi, tile, mi_row, mi_col, bsize);
+
+ if (bsize == BLOCK_16X16 && cpi->oxcf.aq_mode)
x->mb_energy = vp9_block_energy(cpi, x, bsize);
+
+ if (cpi->sf.cb_partition_search && bsize == BLOCK_16X16) {
+ int cb_partition_search_ctrl = ((pc_tree->index == 0 || pc_tree->index == 3)
+ + get_chessboard_index(cm->current_video_frame)) & 0x1;
+
+ if (cb_partition_search_ctrl && bsize > min_size && bsize < max_size)
+ set_partition_range(cm, xd, mi_row, mi_col, bsize, &min_size, &max_size);
}
+
// Determine partition types in search according to the speed features.
// The threshold set here has to be of square block size.
if (cpi->sf.auto_min_max_partition_size) {
- partition_none_allowed &= (bsize <= cpi->sf.max_partition_size &&
- bsize >= cpi->sf.min_partition_size);
- partition_horz_allowed &= ((bsize <= cpi->sf.max_partition_size &&
- bsize > cpi->sf.min_partition_size) ||
+ partition_none_allowed &= (bsize <= max_size && bsize >= min_size);
+ partition_horz_allowed &= ((bsize <= max_size && bsize > min_size) ||
force_horz_split);
- partition_vert_allowed &= ((bsize <= cpi->sf.max_partition_size &&
- bsize > cpi->sf.min_partition_size) ||
+ partition_vert_allowed &= ((bsize <= max_size && bsize > min_size) ||
force_vert_split);
- do_split &= bsize > cpi->sf.min_partition_size;
+ do_split &= bsize > min_size;
}
if (cpi->sf.use_square_partition_only) {
partition_horz_allowed &= force_horz_split;
save_context(cpi, mi_row, mi_col, a, l, sa, sl, bsize);
- if (cpi->sf.disable_split_var_thresh && partition_none_allowed) {
- unsigned int source_variancey;
- vp9_setup_src_planes(x, cpi->Source, mi_row, mi_col);
- source_variancey = get_sby_perpixel_variance(cpi, &x->plane[0].src, bsize);
- if (source_variancey < cpi->sf.disable_split_var_thresh) {
- do_split = 0;
- if (source_variancey < cpi->sf.disable_split_var_thresh / 2)
- do_rect = 0;
+#if CONFIG_FP_MB_STATS
+ if (cpi->use_fp_mb_stats) {
+ set_offsets(cpi, tile, mi_row, mi_col, bsize);
+ src_diff_var = get_sby_perpixel_diff_variance(cpi, &cpi->mb.plane[0].src,
+ mi_row, mi_col, bsize);
+ }
+#endif
+
+#if CONFIG_FP_MB_STATS
+ // Decide whether we shall split directly and skip searching NONE by using
+ // the first pass block statistics
+ if (cpi->use_fp_mb_stats && bsize >= BLOCK_32X32 && do_split &&
+ partition_none_allowed && src_diff_var > 4 &&
+ cm->base_qindex < qindex_split_threshold_lookup[bsize]) {
+ int mb_row = mi_row >> 1;
+ int mb_col = mi_col >> 1;
+ int mb_row_end =
+ MIN(mb_row + num_16x16_blocks_high_lookup[bsize], cm->mb_rows);
+ int mb_col_end =
+ MIN(mb_col + num_16x16_blocks_wide_lookup[bsize], cm->mb_cols);
+ int r, c;
+
+ // compute a complexity measure, basically measure inconsistency of motion
+ // vectors obtained from the first pass in the current block
+ for (r = mb_row; r < mb_row_end ; r++) {
+ for (c = mb_col; c < mb_col_end; c++) {
+ const int mb_index = r * cm->mb_cols + c;
+
+ MOTION_DIRECTION this_mv;
+ MOTION_DIRECTION right_mv;
+ MOTION_DIRECTION bottom_mv;
+
+ this_mv =
+ get_motion_direction_fp(cpi->twopass.this_frame_mb_stats[mb_index]);
+
+ // to its right
+ if (c != mb_col_end - 1) {
+ right_mv = get_motion_direction_fp(
+ cpi->twopass.this_frame_mb_stats[mb_index + 1]);
+ none_complexity += get_motion_inconsistency(this_mv, right_mv);
+ }
+
+ // to its bottom
+ if (r != mb_row_end - 1) {
+ bottom_mv = get_motion_direction_fp(
+ cpi->twopass.this_frame_mb_stats[mb_index + cm->mb_cols]);
+ none_complexity += get_motion_inconsistency(this_mv, bottom_mv);
+ }
+
+ // do not count its left and top neighbors to avoid double counting
+ }
+ }
+
+ if (none_complexity > complexity_16x16_blocks_threshold[bsize]) {
+ partition_none_allowed = 0;
}
}
+#endif
// PARTITION_NONE
if (partition_none_allowed) {
this_rate += cpi->partition_cost[pl][PARTITION_NONE];
}
sum_rd = RDCOST(x->rdmult, x->rddiv, this_rate, this_dist);
+
if (sum_rd < best_rd) {
- int64_t stop_thresh = 4096;
- int64_t stop_thresh_rd;
+ int64_t dist_breakout_thr = cpi->sf.partition_search_breakout_dist_thr;
+ int rate_breakout_thr = cpi->sf.partition_search_breakout_rate_thr;
best_rate = this_rate;
best_dist = this_dist;
if (bsize >= BLOCK_8X8)
pc_tree->partitioning = PARTITION_NONE;
- // Adjust threshold according to partition size.
- stop_thresh >>= 8 - (b_width_log2(bsize) +
+ // Adjust dist breakout threshold according to the partition size.
+ dist_breakout_thr >>= 8 - (b_width_log2(bsize) +
b_height_log2(bsize));
- stop_thresh_rd = RDCOST(x->rdmult, x->rddiv, 0, stop_thresh);
- // If obtained distortion is very small, choose current partition
- // and stop splitting.
- if (!x->e_mbd.lossless && best_rd < stop_thresh_rd) {
+ // If all y, u, v transform blocks in this partition are skippable, and
+ // the dist & rate are within the thresholds, the partition search is
+ // terminated for current branch of the partition search tree.
+ // The dist & rate thresholds are set to 0 at speed 0 to disable the
+ // early termination at that speed.
+ if (!x->e_mbd.lossless &&
+ (ctx->skippable && best_dist < dist_breakout_thr &&
+ best_rate < rate_breakout_thr)) {
do_split = 0;
do_rect = 0;
}
+
+#if CONFIG_FP_MB_STATS
+ // Check if every 16x16 first pass block statistics has zero
+ // motion and the corresponding first pass residue is small enough.
+ // If that is the case, check the difference variance between the
+ // current frame and the last frame. If the variance is small enough,
+ // stop further splitting in RD optimization
+ if (cpi->use_fp_mb_stats && do_split != 0 &&
+ cm->base_qindex > qindex_skip_threshold_lookup[bsize]) {
+ int mb_row = mi_row >> 1;
+ int mb_col = mi_col >> 1;
+ int mb_row_end =
+ MIN(mb_row + num_16x16_blocks_high_lookup[bsize], cm->mb_rows);
+ int mb_col_end =
+ MIN(mb_col + num_16x16_blocks_wide_lookup[bsize], cm->mb_cols);
+ int r, c;
+
+ int skip = 1;
+ for (r = mb_row; r < mb_row_end; r++) {
+ for (c = mb_col; c < mb_col_end; c++) {
+ const int mb_index = r * cm->mb_cols + c;
+ if (!(cpi->twopass.this_frame_mb_stats[mb_index] &
+ FPMB_MOTION_ZERO_MASK) ||
+ !(cpi->twopass.this_frame_mb_stats[mb_index] &
+ FPMB_ERROR_SMALL_MASK)) {
+ skip = 0;
+ break;
+ }
+ }
+ if (skip == 0) {
+ break;
+ }
+ }
+ if (skip) {
+ if (src_diff_var == UINT_MAX) {
+ set_offsets(cpi, tile, mi_row, mi_col, bsize);
+ src_diff_var = get_sby_perpixel_diff_variance(
+ cpi, &cpi->mb.plane[0].src, mi_row, mi_col, bsize);
+ }
+ if (src_diff_var < 8) {
+ do_split = 0;
+ do_rect = 0;
+ }
+ }
+ }
+#endif
}
}
restore_context(cpi, mi_row, mi_col, a, l, sa, sl, bsize);
ctx->mic.mbmi.interp_filter;
rd_pick_sb_modes(cpi, tile, mi_row, mi_col, &sum_rate, &sum_dist, subsize,
pc_tree->leaf_split[0], best_rd, 0);
- if (sum_rate == INT_MAX) {
+ if (sum_rate == INT_MAX)
sum_rd = INT64_MAX;
- } else {
+ else
sum_rd = RDCOST(x->rdmult, x->rddiv, sum_rate, sum_dist);
- if (sum_rd < best_rd) {
- update_state(cpi, pc_tree->leaf_split[0], mi_row, mi_col, subsize, 0);
- encode_superblock(cpi, tp, 0, mi_row, mi_col, subsize,
- pc_tree->leaf_split[0]);
- update_partition_context(xd, mi_row, mi_col, subsize, bsize);
- }
- }
} else {
for (i = 0; i < 4 && sum_rd < best_rd; ++i) {
const int x_idx = (i & 1) * mi_step;
if (cpi->sf.adaptive_motion_search)
load_pred_mv(x, ctx);
+ pc_tree->split[i]->index = i;
rd_pick_partition(cpi, tile, tp, mi_row + y_idx, mi_col + x_idx,
- subsize, &this_rate, &this_dist, i != 3,
+ subsize, &this_rate, &this_dist,
best_rd - sum_rd, pc_tree->split[i]);
if (this_rate == INT_MAX) {
pl = partition_plane_context(xd, mi_row, mi_col, bsize);
sum_rate += cpi->partition_cost[pl][PARTITION_SPLIT];
sum_rd = RDCOST(x->rdmult, x->rddiv, sum_rate, sum_dist);
+
if (sum_rd < best_rd) {
best_rate = sum_rate;
best_dist = sum_dist;
}
restore_context(cpi, mi_row, mi_col, a, l, sa, sl, bsize);
}
+
// TODO(jbb): This code added so that we avoid static analysis
// warning related to the fact that best_rd isn't used after this
// point. This code should be refactored so that the duplicate
*rate = best_rate;
*dist = best_dist;
- if (best_rate < INT_MAX && best_dist < INT64_MAX && do_recon) {
+ if (best_rate < INT_MAX && best_dist < INT64_MAX && pc_tree->index != 3) {
int output_enabled = (bsize == BLOCK_64X64);
// Check the projected output rate for this SB against it's target
}
vp9_zero(cpi->mb.pred_mv);
+ cpi->pc_root->index = 0;
+ // TODO(yunqingwang): use_lastframe_partitioning is no longer used in good-
+ // quality encoding. Need to evaluate it in real-time encoding later to
+ // decide if it can be removed too. And then, do the code cleanup.
if ((sf->partition_search_type == SEARCH_PARTITION &&
sf->use_lastframe_partitioning) ||
sf->partition_search_type == FIXED_PARTITION ||
sf->partition_search_type == VAR_BASED_PARTITION ||
sf->partition_search_type == VAR_BASED_FIXED_PARTITION) {
const int idx_str = cm->mi_stride * mi_row + mi_col;
- MODE_INFO **mi = cm->mi_grid_visible + idx_str;
- MODE_INFO **prev_mi = cm->prev_mi_grid_visible + idx_str;
+ MODE_INFO *mi = cm->mi + idx_str;
+ MODE_INFO *prev_mi = (cm->prev_mip + cm->mi_stride + 1 + idx_str)->src_mi;
cpi->mb.source_variance = UINT_MAX;
if (sf->partition_search_type == FIXED_PARTITION) {
set_offsets(cpi, tile, mi_row, mi_col, BLOCK_64X64);
} else {
GF_GROUP * gf_grp = &cpi->twopass.gf_group;
int last_was_mid_sequence_overlay = 0;
- if ((cpi->pass == 2) && (gf_grp->index)) {
+ if ((cpi->oxcf.pass == 2) && (gf_grp->index)) {
if (gf_grp->update_type[gf_grp->index - 1] == OVERLAY_UPDATE)
last_was_mid_sequence_overlay = 1;
}
- if ((cm->current_video_frame
+ if ((cpi->rc.frames_since_key
% sf->last_partitioning_redo_frequency) == 0
|| last_was_mid_sequence_overlay
|| cm->prev_mi == 0
&sf->max_partition_size);
}
rd_pick_partition(cpi, tile, tp, mi_row, mi_col, BLOCK_64X64,
- &dummy_rate, &dummy_dist, 1, INT64_MAX,
+ &dummy_rate, &dummy_dist, INT64_MAX,
cpi->pc_root);
} else {
if (sf->constrain_copy_partition &&
&sf->max_partition_size);
}
rd_pick_partition(cpi, tile, tp, mi_row, mi_col, BLOCK_64X64,
- &dummy_rate, &dummy_dist, 1, INT64_MAX, cpi->pc_root);
+ &dummy_rate, &dummy_dist, INT64_MAX, cpi->pc_root);
}
}
}
static void reset_skip_tx_size(VP9_COMMON *cm, TX_SIZE max_tx_size) {
int mi_row, mi_col;
const int mis = cm->mi_stride;
- MODE_INFO **mi_ptr = cm->mi_grid_visible;
+ MODE_INFO *mi_ptr = cm->mi;
for (mi_row = 0; mi_row < cm->mi_rows; ++mi_row, mi_ptr += mis) {
for (mi_col = 0; mi_col < cm->mi_cols; ++mi_col) {
- if (mi_ptr[mi_col]->mbmi.tx_size > max_tx_size)
- mi_ptr[mi_col]->mbmi.tx_size = max_tx_size;
+ if (mi_ptr[mi_col].src_mi->mbmi.tx_size > max_tx_size)
+ mi_ptr[mi_col].src_mi->mbmi.tx_size = max_tx_size;
}
}
}
}
static TX_MODE select_tx_mode(const VP9_COMP *cpi) {
- if (cpi->mb.e_mbd.lossless) {
+ if (cpi->mb.e_mbd.lossless)
return ONLY_4X4;
- } else if (cpi->common.current_video_frame == 0) {
+ if (cpi->sf.tx_size_search_method == USE_LARGESTALL)
+ return ALLOW_32X32;
+ else if (cpi->sf.tx_size_search_method == USE_FULL_RD||
+ cpi->sf.tx_size_search_method == USE_TX_8X8)
return TX_MODE_SELECT;
- } else {
- if (cpi->sf.tx_size_search_method == USE_LARGESTALL) {
- return ALLOW_32X32;
- } else if (cpi->sf.tx_size_search_method == USE_FULL_RD) {
- const RD_OPT *const rd_opt = &cpi->rd;
- const MV_REFERENCE_FRAME frame_type = get_frame_type(cpi);
- return rd_opt->tx_select_threshes[frame_type][ALLOW_32X32] >
- rd_opt->tx_select_threshes[frame_type][TX_MODE_SELECT] ?
- ALLOW_32X32 : TX_MODE_SELECT;
- } else if (cpi->sf.tx_size_search_method == USE_TX_8X8) {
- return TX_MODE_SELECT;
- } else {
- unsigned int total = 0;
- int i;
- for (i = 0; i < TX_SIZES; ++i)
- total += cpi->tx_stepdown_count[i];
-
- if (total) {
- const double fraction = (double)cpi->tx_stepdown_count[0] / total;
- return fraction > 0.90 ? ALLOW_32X32 : TX_MODE_SELECT;
- } else {
- return cpi->common.tx_mode;
- }
- }
- }
+ else
+ return cpi->common.tx_mode;
}
static void nonrd_pick_sb_modes(VP9_COMP *cpi, const TileInfo *const tile,
MACROBLOCKD *const xd = &x->e_mbd;
MB_MODE_INFO *mbmi;
set_offsets(cpi, tile, mi_row, mi_col, bsize);
- mbmi = &xd->mi[0]->mbmi;
+ mbmi = &xd->mi[0].src_mi->mbmi;
mbmi->sb_type = bsize;
if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && cm->seg.enabled)
switch (partition) {
case PARTITION_NONE:
set_modeinfo_offsets(cm, xd, mi_row, mi_col);
- *(xd->mi[0]) = pc_tree->none.mic;
+ *(xd->mi[0].src_mi) = pc_tree->none.mic;
duplicate_mode_info_in_sb(cm, xd, mi_row, mi_col, bsize);
break;
case PARTITION_VERT:
set_modeinfo_offsets(cm, xd, mi_row, mi_col);
- *(xd->mi[0]) = pc_tree->vertical[0].mic;
+ *(xd->mi[0].src_mi) = pc_tree->vertical[0].mic;
duplicate_mode_info_in_sb(cm, xd, mi_row, mi_col, bsize);
if (mi_col + hbs < cm->mi_cols) {
set_modeinfo_offsets(cm, xd, mi_row, mi_col + hbs);
- *(xd->mi[0]) = pc_tree->vertical[1].mic;
+ *(xd->mi[0].src_mi) = pc_tree->vertical[1].mic;
duplicate_mode_info_in_sb(cm, xd, mi_row, mi_col + hbs, bsize);
}
break;
case PARTITION_HORZ:
set_modeinfo_offsets(cm, xd, mi_row, mi_col);
- *(xd->mi[0]) = pc_tree->horizontal[0].mic;
+ *(xd->mi[0].src_mi) = pc_tree->horizontal[0].mic;
duplicate_mode_info_in_sb(cm, xd, mi_row, mi_col, bsize);
if (mi_row + hbs < cm->mi_rows) {
set_modeinfo_offsets(cm, xd, mi_row + hbs, mi_col);
- *(xd->mi[0]) = pc_tree->horizontal[1].mic;
+ *(xd->mi[0].src_mi) = pc_tree->horizontal[1].mic;
duplicate_mode_info_in_sb(cm, xd, mi_row + hbs, mi_col, bsize);
}
break;
int mi_col, BLOCK_SIZE bsize, int *rate,
int64_t *dist, int do_recon, int64_t best_rd,
PC_TREE *pc_tree) {
+ const SPEED_FEATURES *const sf = &cpi->sf;
+ const VP9EncoderConfig *const oxcf = &cpi->oxcf;
VP9_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &cpi->mb;
MACROBLOCKD *const xd = &x->e_mbd;
// Determine partition types in search according to the speed features.
// The threshold set here has to be of square block size.
- if (cpi->sf.auto_min_max_partition_size) {
- partition_none_allowed &= (bsize <= cpi->sf.max_partition_size &&
- bsize >= cpi->sf.min_partition_size);
- partition_horz_allowed &= ((bsize <= cpi->sf.max_partition_size &&
- bsize > cpi->sf.min_partition_size) ||
+ if (sf->auto_min_max_partition_size) {
+ partition_none_allowed &= (bsize <= sf->max_partition_size &&
+ bsize >= sf->min_partition_size);
+ partition_horz_allowed &= ((bsize <= sf->max_partition_size &&
+ bsize > sf->min_partition_size) ||
force_horz_split);
- partition_vert_allowed &= ((bsize <= cpi->sf.max_partition_size &&
- bsize > cpi->sf.min_partition_size) ||
+ partition_vert_allowed &= ((bsize <= sf->max_partition_size &&
+ bsize > sf->min_partition_size) ||
force_vert_split);
- do_split &= bsize > cpi->sf.min_partition_size;
+ do_split &= bsize > sf->min_partition_size;
}
- if (cpi->sf.use_square_partition_only) {
+ if (sf->use_square_partition_only) {
partition_horz_allowed &= force_horz_split;
partition_vert_allowed &= force_vert_split;
}
if (partition_none_allowed) {
nonrd_pick_sb_modes(cpi, tile, mi_row, mi_col,
&this_rate, &this_dist, bsize, ctx);
- ctx->mic.mbmi = xd->mi[0]->mbmi;
- ctx->skip_txfm = x->skip_txfm;
+ ctx->mic.mbmi = xd->mi[0].src_mi->mbmi;
+ ctx->skip_txfm[0] = x->skip_txfm[0];
ctx->skip = x->skip;
if (this_rate != INT_MAX) {
} else {
// skip rectangular partition test when larger block size
// gives better rd cost
- if (cpi->sf.less_rectangular_check)
+ if (sf->less_rectangular_check)
do_rect &= !partition_none_allowed;
}
}
// PARTITION_HORZ
if (partition_horz_allowed && do_rect) {
subsize = get_subsize(bsize, PARTITION_HORZ);
- if (cpi->sf.adaptive_motion_search)
+ if (sf->adaptive_motion_search)
load_pred_mv(x, ctx);
nonrd_pick_sb_modes(cpi, tile, mi_row, mi_col,
&this_rate, &this_dist, subsize,
&pc_tree->horizontal[0]);
- pc_tree->horizontal[0].mic.mbmi = xd->mi[0]->mbmi;
- pc_tree->horizontal[0].skip_txfm = x->skip_txfm;
+ pc_tree->horizontal[0].mic.mbmi = xd->mi[0].src_mi->mbmi;
+ pc_tree->horizontal[0].skip_txfm[0] = x->skip_txfm[0];
pc_tree->horizontal[0].skip = x->skip;
sum_rd = RDCOST(x->rdmult, x->rddiv, sum_rate, sum_dist);
&this_rate, &this_dist, subsize,
&pc_tree->horizontal[1]);
- pc_tree->horizontal[1].mic.mbmi = xd->mi[0]->mbmi;
- pc_tree->horizontal[1].skip_txfm = x->skip_txfm;
+ pc_tree->horizontal[1].mic.mbmi = xd->mi[0].src_mi->mbmi;
+ pc_tree->horizontal[1].skip_txfm[0] = x->skip_txfm[0];
pc_tree->horizontal[1].skip = x->skip;
if (this_rate == INT_MAX) {
if (partition_vert_allowed && do_rect) {
subsize = get_subsize(bsize, PARTITION_VERT);
- if (cpi->sf.adaptive_motion_search)
+ if (sf->adaptive_motion_search)
load_pred_mv(x, ctx);
nonrd_pick_sb_modes(cpi, tile, mi_row, mi_col,
&this_rate, &this_dist, subsize,
&pc_tree->vertical[0]);
- pc_tree->vertical[0].mic.mbmi = xd->mi[0]->mbmi;
- pc_tree->vertical[0].skip_txfm = x->skip_txfm;
+ pc_tree->vertical[0].mic.mbmi = xd->mi[0].src_mi->mbmi;
+ pc_tree->vertical[0].skip_txfm[0] = x->skip_txfm[0];
pc_tree->vertical[0].skip = x->skip;
sum_rd = RDCOST(x->rdmult, x->rddiv, sum_rate, sum_dist);
if (sum_rd < best_rd && mi_col + ms < cm->mi_cols) {
nonrd_pick_sb_modes(cpi, tile, mi_row, mi_col + ms,
&this_rate, &this_dist, subsize,
&pc_tree->vertical[1]);
- pc_tree->vertical[1].mic.mbmi = xd->mi[0]->mbmi;
- pc_tree->vertical[1].skip_txfm = x->skip_txfm;
+ pc_tree->vertical[1].mic.mbmi = xd->mi[0].src_mi->mbmi;
+ pc_tree->vertical[1].skip_txfm[0] = x->skip_txfm[0];
pc_tree->vertical[1].skip = x->skip;
if (this_rate == INT_MAX) {
sum_rd = INT64_MAX;
// Check the projected output rate for this SB against it's target
// and and if necessary apply a Q delta using segmentation to get
// closer to the target.
- if ((cpi->oxcf.aq_mode == COMPLEXITY_AQ) && cm->seg.update_map) {
+ if ((oxcf->aq_mode == COMPLEXITY_AQ) && cm->seg.update_map) {
vp9_select_in_frame_q_segment(cpi, mi_row, mi_col, output_enabled,
best_rate);
}
- if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ)
+ if (oxcf->aq_mode == CYCLIC_REFRESH_AQ)
vp9_cyclic_refresh_set_rate_and_dist_sb(cpi->cyclic_refresh,
best_rate, best_dist);
static void nonrd_use_partition(VP9_COMP *cpi,
const TileInfo *const tile,
- MODE_INFO **mi,
+ MODE_INFO *mi,
TOKENEXTRA **tp,
int mi_row, int mi_col,
BLOCK_SIZE bsize, int output_enabled,
if (mi_row >= cm->mi_rows || mi_col >= cm->mi_cols)
return;
- subsize = (bsize >= BLOCK_8X8) ? mi[0]->mbmi.sb_type : BLOCK_4X4;
+ subsize = (bsize >= BLOCK_8X8) ? mi[0].src_mi->mbmi.sb_type : BLOCK_4X4;
partition = partition_lookup[bsl][subsize];
switch (partition) {
case PARTITION_NONE:
nonrd_pick_sb_modes(cpi, tile, mi_row, mi_col, totrate, totdist,
subsize, &pc_tree->none);
- pc_tree->none.mic.mbmi = xd->mi[0]->mbmi;
- pc_tree->none.skip_txfm = x->skip_txfm;
+ pc_tree->none.mic.mbmi = xd->mi[0].src_mi->mbmi;
+ pc_tree->none.skip_txfm[0] = x->skip_txfm[0];
pc_tree->none.skip = x->skip;
break;
case PARTITION_VERT:
nonrd_pick_sb_modes(cpi, tile, mi_row, mi_col, totrate, totdist,
subsize, &pc_tree->vertical[0]);
- pc_tree->vertical[0].mic.mbmi = xd->mi[0]->mbmi;
- pc_tree->vertical[0].skip_txfm = x->skip_txfm;
+ pc_tree->vertical[0].mic.mbmi = xd->mi[0].src_mi->mbmi;
+ pc_tree->vertical[0].skip_txfm[0] = x->skip_txfm[0];
pc_tree->vertical[0].skip = x->skip;
if (mi_col + hbs < cm->mi_cols) {
nonrd_pick_sb_modes(cpi, tile, mi_row, mi_col + hbs,
&rate, &dist, subsize, &pc_tree->vertical[1]);
- pc_tree->vertical[1].mic.mbmi = xd->mi[0]->mbmi;
- pc_tree->vertical[1].skip_txfm = x->skip_txfm;
+ pc_tree->vertical[1].mic.mbmi = xd->mi[0].src_mi->mbmi;
+ pc_tree->vertical[1].skip_txfm[0] = x->skip_txfm[0];
pc_tree->vertical[1].skip = x->skip;
if (rate != INT_MAX && dist != INT64_MAX &&
*totrate != INT_MAX && *totdist != INT64_MAX) {
case PARTITION_HORZ:
nonrd_pick_sb_modes(cpi, tile, mi_row, mi_col, totrate, totdist,
subsize, &pc_tree->horizontal[0]);
- pc_tree->horizontal[0].mic.mbmi = xd->mi[0]->mbmi;
- pc_tree->horizontal[0].skip_txfm = x->skip_txfm;
+ pc_tree->horizontal[0].mic.mbmi = xd->mi[0].src_mi->mbmi;
+ pc_tree->horizontal[0].skip_txfm[0] = x->skip_txfm[0];
pc_tree->horizontal[0].skip = x->skip;
if (mi_row + hbs < cm->mi_rows) {
nonrd_pick_sb_modes(cpi, tile, mi_row + hbs, mi_col,
&rate, &dist, subsize, &pc_tree->horizontal[0]);
- pc_tree->horizontal[1].mic.mbmi = xd->mi[0]->mbmi;
- pc_tree->horizontal[1].skip_txfm = x->skip_txfm;
+ pc_tree->horizontal[1].mic.mbmi = xd->mi[0].src_mi->mbmi;
+ pc_tree->horizontal[1].skip_txfm[0] = x->skip_txfm[0];
pc_tree->horizontal[1].skip = x->skip;
if (rate != INT_MAX && dist != INT64_MAX &&
*totrate != INT_MAX && *totdist != INT64_MAX) {
break;
default:
assert("Invalid partition type.");
+ break;
}
if (bsize == BLOCK_64X64 && output_enabled) {
static void encode_nonrd_sb_row(VP9_COMP *cpi, const TileInfo *const tile,
int mi_row, TOKENEXTRA **tp) {
- VP9_COMMON *cm = &cpi->common;
- MACROBLOCK *x = &cpi->mb;
- MACROBLOCKD *xd = &x->e_mbd;
+ SPEED_FEATURES *const sf = &cpi->sf;
+ VP9_COMMON *const cm = &cpi->common;
+ MACROBLOCK *const x = &cpi->mb;
+ MACROBLOCKD *const xd = &x->e_mbd;
int mi_col;
// Initialize the left context for the new SB row
// Code each SB in the row
for (mi_col = tile->mi_col_start; mi_col < tile->mi_col_end;
mi_col += MI_BLOCK_SIZE) {
- MACROBLOCK *x = &cpi->mb;
int dummy_rate = 0;
int64_t dummy_dist = 0;
const int idx_str = cm->mi_stride * mi_row + mi_col;
- MODE_INFO **mi = cm->mi_grid_visible + idx_str;
- MODE_INFO **prev_mi = cm->prev_mi_grid_visible + idx_str;
+ MODE_INFO *mi = cm->mi + idx_str;
+ MODE_INFO *prev_mi = (cm->prev_mip + cm->mi_stride + 1 + idx_str)->src_mi;
BLOCK_SIZE bsize;
-
x->in_static_area = 0;
x->source_variance = UINT_MAX;
vp9_zero(x->pred_mv);
// Set the partition type of the 64X64 block
- switch (cpi->sf.partition_search_type) {
+ switch (sf->partition_search_type) {
case VAR_BASED_PARTITION:
choose_partitioning(cpi, tile, mi_row, mi_col);
nonrd_use_partition(cpi, tile, mi, tp, mi_row, mi_col, BLOCK_64X64,
break;
case VAR_BASED_FIXED_PARTITION:
case FIXED_PARTITION:
- bsize = cpi->sf.partition_search_type == FIXED_PARTITION ?
- cpi->sf.always_this_block_size :
+ bsize = sf->partition_search_type == FIXED_PARTITION ?
+ sf->always_this_block_size :
get_nonrd_var_based_fixed_partition(cpi, mi_row, mi_col);
set_fixed_partitioning(cpi, tile, mi, mi_row, mi_col, bsize);
nonrd_use_partition(cpi, tile, mi, tp, mi_row, mi_col, BLOCK_64X64,
1, &dummy_rate, &dummy_dist, cpi->pc_root);
break;
case REFERENCE_PARTITION:
- if (cpi->sf.partition_check ||
- !is_background(cpi, tile, mi_row, mi_col)) {
+ if (sf->partition_check ||
+ !(x->in_static_area = is_background(cpi, tile, mi_row, mi_col))) {
set_modeinfo_offsets(cm, xd, mi_row, mi_col);
auto_partition_range(cpi, tile, mi_row, mi_col,
- &cpi->sf.min_partition_size,
- &cpi->sf.max_partition_size);
+ &sf->min_partition_size,
+ &sf->max_partition_size);
nonrd_pick_partition(cpi, tile, tp, mi_row, mi_col, BLOCK_64X64,
&dummy_rate, &dummy_dist, 1, INT64_MAX,
cpi->pc_root);
break;
default:
assert(0);
+ break;
}
}
}
// end RTC play code
static int set_var_thresh_from_histogram(VP9_COMP *cpi) {
- SPEED_FEATURES *const sf = &cpi->sf;
- VP9_COMMON *const cm = &cpi->common;
+ const SPEED_FEATURES *const sf = &cpi->sf;
+ const VP9_COMMON *const cm = &cpi->common;
const uint8_t *src = cpi->Source->y_buffer;
const uint8_t *last_src = cpi->Last_Source->y_buffer;
VP9_COMMON *const cm = &cpi->common;
MACROBLOCKD *const xd = &x->e_mbd;
- xd->mi = cm->mi_grid_visible;
- xd->mi[0] = cm->mi;
+ xd->mi = cm->mi;
+ xd->mi[0].src_mi = &xd->mi[0];
vp9_zero(cm->counts);
vp9_zero(cpi->coef_counts);
- vp9_zero(cpi->tx_stepdown_count);
vp9_zero(rd_opt->comp_pred_diff);
vp9_zero(rd_opt->filter_diff);
vp9_zero(rd_opt->tx_select_diff);
vp9_zero(rd_opt->tx_select_threshes);
- cpi->mb.e_mbd.lossless = cm->base_qindex == 0 &&
- cm->y_dc_delta_q == 0 &&
- cm->uv_dc_delta_q == 0 &&
- cm->uv_ac_delta_q == 0;
+ xd->lossless = cm->base_qindex == 0 &&
+ cm->y_dc_delta_q == 0 &&
+ cm->uv_dc_delta_q == 0 &&
+ cm->uv_ac_delta_q == 0;
cm->tx_mode = select_tx_mode(cpi);
- cpi->mb.fwd_txm4x4 = cpi->mb.e_mbd.lossless ? vp9_fwht4x4 : vp9_fdct4x4;
- cpi->mb.itxm_add = cpi->mb.e_mbd.lossless ? vp9_iwht4x4_add : vp9_idct4x4_add;
+ x->fwd_txm4x4 = xd->lossless ? vp9_fwht4x4 : vp9_fdct4x4;
+ x->itxm_add = xd->lossless ? vp9_iwht4x4_add : vp9_idct4x4_add;
- if (cpi->mb.e_mbd.lossless) {
- cpi->mb.optimize = 0;
- cpi->common.lf.filter_level = 0;
+ if (xd->lossless) {
+ x->optimize = 0;
+ cm->lf.filter_level = 0;
cpi->zbin_mode_boost_enabled = 0;
}
set_prev_mi(cm);
x->quant_fp = cpi->sf.use_quant_fp;
- x->skip_txfm = 0;
+ vp9_zero(x->skip_txfm);
if (sf->use_nonrd_pick_mode) {
// Initialize internal buffer pointers for rtc coding, where non-RD
// mode decision is used and hence no buffer pointer swap needed.
VP9_COMMON *const cm = &cpi->common;
MACROBLOCK *const x = &cpi->mb;
MACROBLOCKD *const xd = &x->e_mbd;
- MODE_INFO **mi_8x8 = xd->mi;
- MODE_INFO *mi = mi_8x8[0];
+ MODE_INFO *mi_8x8 = xd->mi;
+ MODE_INFO *mi = mi_8x8;
MB_MODE_INFO *mbmi = &mi->mbmi;
- unsigned int segment_id = mbmi->segment_id;
+ const int seg_skip = vp9_segfeature_active(&cm->seg, mbmi->segment_id,
+ SEG_LVL_SKIP);
const int mis = cm->mi_stride;
const int mi_width = num_8x8_blocks_wide_lookup[bsize];
const int mi_height = num_8x8_blocks_high_lookup[bsize];
cpi->oxcf.aq_mode != CYCLIC_REFRESH_AQ &&
cpi->sf.allow_skip_recode;
+ if (!x->skip_recode && !cpi->sf.use_nonrd_pick_mode)
+ vpx_memset(x->skip_txfm, 0, sizeof(x->skip_txfm));
+
x->skip_optimize = ctx->is_coded;
ctx->is_coded = 1;
x->use_lp32x32fdct = cpi->sf.use_lp32x32fdct;
vp9_setup_pre_planes(xd, ref, cfg, mi_row, mi_col,
&xd->block_refs[ref]->sf);
}
- if (!cpi->sf.reuse_inter_pred_sby)
+ if (!cpi->sf.reuse_inter_pred_sby || seg_skip)
vp9_build_inter_predictors_sby(xd, mi_row, mi_col, MAX(bsize, BLOCK_8X8));
vp9_build_inter_predictors_sbuv(xd, mi_row, mi_col, MAX(bsize, BLOCK_8X8));
- if (!x->skip) {
- mbmi->skip = 1;
- vp9_encode_sb(x, MAX(bsize, BLOCK_8X8));
- vp9_tokenize_sb(cpi, t, !output_enabled, MAX(bsize, BLOCK_8X8));
- } else {
- mbmi->skip = 1;
- if (output_enabled &&
- !vp9_segfeature_active(&cm->seg, mbmi->segment_id, SEG_LVL_SKIP))
- cm->counts.skip[vp9_get_skip_context(xd)][1]++;
- reset_skip_context(xd, MAX(bsize, BLOCK_8X8));
- }
+ vp9_encode_sb(x, MAX(bsize, BLOCK_8X8));
+ vp9_tokenize_sb(cpi, t, !output_enabled, MAX(bsize, BLOCK_8X8));
}
if (output_enabled) {
if (cm->tx_mode == TX_MODE_SELECT &&
mbmi->sb_type >= BLOCK_8X8 &&
- !(is_inter_block(mbmi) &&
- (mbmi->skip ||
- vp9_segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)))) {
+ !(is_inter_block(mbmi) && (mbmi->skip || seg_skip))) {
++get_tx_counts(max_txsize_lookup[bsize], vp9_get_tx_size_context(xd),
&cm->counts.tx)[mbmi->tx_size];
} else {
for (y = 0; y < mi_height; y++)
for (x = 0; x < mi_width; x++)
if (mi_col + x < cm->mi_cols && mi_row + y < cm->mi_rows)
- mi_8x8[mis * y + x]->mbmi.tx_size = tx_size;
+ mi_8x8[mis * y + x].src_mi->mbmi.tx_size = tx_size;
}
}
}
projects / platform / framework / web / crosswalk.git / blobdiff