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Enable rectangular transforms for UV

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Uses an array to map block sizes, y tx sizes, and subsampling
factors to various transform sizes for UV.

Results improve by 0.1-0.2%

Change-Id: Icb58fd96bc7c01a72cbf1332fe2be4d55a0feedc
This commit is contained in:
Debargha Mukherjee
2016-08-30 17:43:38 -07:00
parent 01bade1064
commit 2f12340ff0
10 changed files with 306 additions and 61 deletions
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11
av1/encoder/encodeframe.c
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@@ -5087,7 +5087,8 @@ static void encode_superblock(AV1_COMP *cpi, ThreadData *td, TOKENEXTRA **t,
mi_8x8[mis * y + x]->mbmi.tx_size = tx_size;
}
++td->counts->tx_size_totals[txsize_sqr_map[mbmi->tx_size]];
++td->counts->tx_size_totals[get_uv_tx_size(mbmi, &xd->plane[1])];
++td->counts
->tx_size_totals[txsize_sqr_map[get_uv_tx_size(mbmi, &xd->plane[1])]];
#if CONFIG_EXT_TX
if (get_ext_tx_types(mbmi->tx_size, bsize, is_inter_block(mbmi)) > 1 &&
cm->base_qindex > 0 && !mbmi->skip &&
@@ -5987,8 +5988,8 @@ static void rd_supertx_sb(AV1_COMP *cpi, ThreadData *td,
pnskip = 1;
tx_size = max_txsize_lookup[bsize];
tx_size = get_uv_tx_size_impl(tx_size, bsize, cm->subsampling_x,
cm->subsampling_y);
tx_size =
uv_txsize_lookup[bsize][tx_size][cm->subsampling_x][cm->subsampling_y];
av1_get_entropy_contexts(bsize, tx_size, pd, ctxa, ctxl);
coeff_ctx = combine_entropy_contexts(ctxa[0], ctxl[0]);
@@ -5998,8 +5999,8 @@ static void rd_supertx_sb(AV1_COMP *cpi, ThreadData *td,
&this_dist, &pnsse, &pnskip);
#else
tx_size = max_txsize_lookup[bsize];
tx_size = get_uv_tx_size_impl(tx_size, bsize, cm->subsampling_x,
cm->subsampling_y);
tx_size =
uv_txsize_lookup[bsize][tx_size][cm->subsampling_x][cm->subsampling_y];
av1_subtract_plane(x, bsize, plane);
av1_txfm_rd_in_plane_supertx(x, cpi, &this_rate, &this_dist, &pnskip,
&pnsse, INT64_MAX, plane, bsize, tx_size, 0);