/* * 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.
*/
const vpx_prob vp9_kf_partition_probs[PARTITION_CONTEXTS]
[PARTITION_TYPES - 1] = { // 8x8 -> 4x4
{ 158, 97, 94 }, // a/l both not split
{ 93, 24, 99 }, // a split, l not split
{ 85, 119, 44 }, // l split, a not split
{ 62, 59, 67 }, // a/l both split
// 16x16 -> 8x8
{ 149, 53, 53 }, // a/l both not split
{ 94, 20, 48 }, // a split, l not split
{ 83, 53, 24 }, // l split, a not split
{ 52, 18, 18 }, // a/l both split
// 32x32 -> 16x16
{ 150, 40, 39 }, // a/l both not split
{ 78, 12, 26 }, // a split, l not split
{ 67, 33, 11 }, // l split, a not split
{ 24, 7, 5 }, // a/l both split
// 64x64 -> 32x32
{ 174, 35, 49 }, // a/l both not split
{ 68, 11, 27 }, // a split, l not split
{ 57, 15, 9 }, // l split, a not split
{ 12, 3, 3 }, // a/l both split
};
staticconst vpx_prob
default_partition_probs[PARTITION_CONTEXTS][PARTITION_TYPES - 1] = { // 8x8 -> 4x4
{ 199, 122, 141 }, // a/l both not split
{ 147, 63, 159 }, // a split, l not split
{ 148, 133, 118 }, // l split, a not split
{ 121, 104, 114 }, // a/l both split // 16x16 -> 8x8
{ 174, 73, 87 }, // a/l both not split
{ 92, 41, 83 }, // a split, l not split
{ 82, 99, 50 }, // l split, a not split
{ 53, 39, 39 }, // a/l both split // 32x32 -> 16x16
{ 177, 58, 59 }, // a/l both not split
{ 68, 26, 63 }, // a split, l not split
{ 52, 79, 25 }, // l split, a not split
{ 17, 14, 12 }, // a/l both split // 64x64 -> 32x32
{ 222, 34, 30 }, // a/l both not split
{ 72, 16, 44 }, // a split, l not split
{ 58, 32, 12 }, // l split, a not split
{ 10, 7, 6 }, // a/l both split
};
staticconst vpx_prob
default_inter_mode_probs[INTER_MODE_CONTEXTS][INTER_MODES - 1] = {
{ 2, 173, 34 }, // 0 = both zero mv
{ 7, 145, 85 }, // 1 = one zero mv + one a predicted mv
{ 7, 166, 63 }, // 2 = two predicted mvs
{ 7, 94, 66 }, // 3 = one predicted/zero and one new mv
{ 8, 64, 46 }, // 4 = two new mvs
{ 17, 81, 31 }, // 5 = one intra neighbour + x
{ 25, 29, 30 }, // 6 = two intra neighbours
};
for (i = 0; i < INTRA_INTER_CONTEXTS; i++)
fc->intra_inter_prob[i] = mode_mv_merge_probs(pre_fc->intra_inter_prob[i],
counts->intra_inter[i]); for (i = 0; i < COMP_INTER_CONTEXTS; i++)
fc->comp_inter_prob[i] =
mode_mv_merge_probs(pre_fc->comp_inter_prob[i], counts->comp_inter[i]); for (i = 0; i < REF_CONTEXTS; i++)
fc->comp_ref_prob[i] =
mode_mv_merge_probs(pre_fc->comp_ref_prob[i], counts->comp_ref[i]); for (i = 0; i < REF_CONTEXTS; i++) for (j = 0; j < 2; j++)
fc->single_ref_prob[i][j] = mode_mv_merge_probs(
pre_fc->single_ref_prob[i][j], counts->single_ref[i][j]);
for (i = 0; i < INTER_MODE_CONTEXTS; i++)
vpx_tree_merge_probs(vp9_inter_mode_tree, pre_fc->inter_mode_probs[i],
counts->inter_mode[i], fc->inter_mode_probs[i]);
for (i = 0; i < BLOCK_SIZE_GROUPS; i++)
vpx_tree_merge_probs(vp9_intra_mode_tree, pre_fc->y_mode_prob[i],
counts->y_mode[i], fc->y_mode_prob[i]);
for (i = 0; i < INTRA_MODES; ++i)
vpx_tree_merge_probs(vp9_intra_mode_tree, pre_fc->uv_mode_prob[i],
counts->uv_mode[i], fc->uv_mode_prob[i]);
for (i = 0; i < PARTITION_CONTEXTS; i++)
vpx_tree_merge_probs(vp9_partition_tree, pre_fc->partition_prob[i],
counts->partition[i], fc->partition_prob[i]);
if (cm->interp_filter == SWITCHABLE) { for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++)
vpx_tree_merge_probs(
vp9_switchable_interp_tree, pre_fc->switchable_interp_prob[i],
counts->switchable_interp[i], fc->switchable_interp_prob[i]);
}
void vp9_setup_past_independence(VP9_COMMON *cm) { // Reset the segment feature data to the default stats: // Features disabled, 0, with delta coding (Default state). struct loopfilter *const lf = &cm->lf;
int i;
vp9_clearall_segfeatures(&cm->seg);
cm->seg.abs_delta = SEGMENT_DELTADATA;
if (cm->last_frame_seg_map)
memset(cm->last_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols));
if (cm->current_frame_seg_map)
memset(cm->current_frame_seg_map, 0, (cm->mi_rows * cm->mi_cols));
// Reset the mode ref deltas for loop filter
vp9_zero(lf->last_ref_deltas);
vp9_zero(lf->last_mode_deltas);
set_default_lf_deltas(lf);
// To force update of the sharpness
lf->last_sharpness_level = -1;
if (cm->frame_type == KEY_FRAME || cm->error_resilient_mode ||
cm->reset_frame_context == 3) { // Reset all frame contexts. for (i = 0; i < FRAME_CONTEXTS; ++i) cm->frame_contexts[i] = *cm->fc;
} elseif (cm->reset_frame_context == 2) { // Reset only the frame context specified in the frame header.
cm->frame_contexts[cm->frame_context_idx] = *cm->fc;
}
// prev_mip will only be allocated in encoder. if (frame_is_intra_only(cm) && cm->prev_mip)
memset(cm->prev_mip, 0,
cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->prev_mip));
vp9_zero(cm->ref_frame_sign_bias);
cm->frame_context_idx = 0;
}
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