mirror of
https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
synced 2026-10-09 08:47:31 +09:00
Update aom to v1.0.0
Update aom to commit id d14c5bb4f336ef1842046089849dee4a301fbbf0.
This commit is contained in:
trav90
Roy Tam
parent
bb61121b44
commit
48f6d2e034
1087 changed files with 154333 additions and 265310 deletions
791
third_party/aom/av1/decoder/decodetxb.c
vendored
791
third_party/aom/av1/decoder/decodetxb.c
vendored
|
|
@ -9,28 +9,25 @@
|
|||
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
|
||||
*/
|
||||
|
||||
#include "av1/common/scan.h"
|
||||
#include "av1/decoder/decodetxb.h"
|
||||
|
||||
#include "aom_ports/mem.h"
|
||||
#include "av1/common/idct.h"
|
||||
#include "av1/common/scan.h"
|
||||
#include "av1/common/txb_common.h"
|
||||
#include "av1/decoder/decodemv.h"
|
||||
#include "av1/decoder/decodetxb.h"
|
||||
#include "av1/decoder/dsubexp.h"
|
||||
#include "av1/decoder/symbolrate.h"
|
||||
|
||||
#define ACCT_STR __func__
|
||||
|
||||
static int read_golomb(MACROBLOCKD *xd, aom_reader *r, FRAME_COUNTS *counts) {
|
||||
#if !CONFIG_SYMBOLRATE
|
||||
(void)counts;
|
||||
#endif
|
||||
static int read_golomb(MACROBLOCKD *xd, aom_reader *r) {
|
||||
int x = 1;
|
||||
int length = 0;
|
||||
int i = 0;
|
||||
|
||||
while (!i) {
|
||||
i = av1_read_record_bit(counts, r, ACCT_STR);
|
||||
i = aom_read_bit(r, ACCT_STR);
|
||||
++length;
|
||||
if (length >= 32) {
|
||||
if (length > 20) {
|
||||
aom_internal_error(xd->error_info, AOM_CODEC_CORRUPT_FRAME,
|
||||
"Invalid length in read_golomb");
|
||||
break;
|
||||
|
|
@ -39,570 +36,306 @@ static int read_golomb(MACROBLOCKD *xd, aom_reader *r, FRAME_COUNTS *counts) {
|
|||
|
||||
for (i = 0; i < length - 1; ++i) {
|
||||
x <<= 1;
|
||||
x += av1_read_record_bit(counts, r, ACCT_STR);
|
||||
x += aom_read_bit(r, ACCT_STR);
|
||||
}
|
||||
|
||||
return x - 1;
|
||||
}
|
||||
|
||||
static INLINE int read_nz_map(aom_reader *r, tran_low_t *tcoeffs, int plane,
|
||||
const int16_t *scan, TX_SIZE tx_size,
|
||||
TX_TYPE tx_type, FRAME_CONTEXT *fc,
|
||||
FRAME_COUNTS *counts) {
|
||||
TX_SIZE txs_ctx = get_txsize_context(tx_size);
|
||||
const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2;
|
||||
const int height = tx_size_high[tx_size];
|
||||
#if CONFIG_CTX1D
|
||||
const int width = tx_size_wide[tx_size];
|
||||
const int eob_offset = width + height;
|
||||
const TX_CLASS tx_class = get_tx_class(tx_type);
|
||||
const int seg_eob =
|
||||
(tx_class == TX_CLASS_2D) ? tx_size_2d[tx_size] : eob_offset;
|
||||
#else
|
||||
const int seg_eob = tx_size_2d[tx_size];
|
||||
#endif
|
||||
const PLANE_TYPE plane_type = get_plane_type(plane);
|
||||
unsigned int(*nz_map_count)[SIG_COEF_CONTEXTS][2] =
|
||||
(counts) ? &counts->nz_map[txs_ctx][plane_type] : NULL;
|
||||
#if !LV_MAP_PROB
|
||||
aom_prob *nz_map = fc->nz_map[txs_ctx][plane_type];
|
||||
aom_prob *eob_flag = fc->eob_flag[txs_ctx][plane_type];
|
||||
#endif
|
||||
int c;
|
||||
for (c = 0; c < seg_eob; ++c) {
|
||||
int is_nz;
|
||||
int coeff_ctx = get_nz_map_ctx(tcoeffs, c, scan, bwl, height, tx_type);
|
||||
int eob_ctx = get_eob_ctx(tcoeffs, scan[c], txs_ctx, tx_type);
|
||||
|
||||
if (c < seg_eob - 1) {
|
||||
#if LV_MAP_PROB
|
||||
is_nz = av1_read_record_bin(
|
||||
counts, r, fc->nz_map_cdf[txs_ctx][plane_type][coeff_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
is_nz = aom_read(r, nz_map[coeff_ctx], ACCT_STR);
|
||||
#endif
|
||||
} else {
|
||||
is_nz = 1;
|
||||
}
|
||||
|
||||
// set non-zero coefficient map.
|
||||
tcoeffs[scan[c]] = is_nz;
|
||||
|
||||
if (c == seg_eob - 1) {
|
||||
++c;
|
||||
break;
|
||||
}
|
||||
|
||||
if (counts) ++(*nz_map_count)[coeff_ctx][is_nz];
|
||||
|
||||
if (is_nz) {
|
||||
#if LV_MAP_PROB
|
||||
int is_eob = av1_read_record_bin(
|
||||
counts, r, fc->eob_flag_cdf[txs_ctx][plane_type][eob_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
int is_eob = aom_read(r, eob_flag[eob_ctx], ACCT_STR);
|
||||
#endif
|
||||
if (counts) ++counts->eob_flag[txs_ctx][plane_type][eob_ctx][is_eob];
|
||||
if (is_eob) break;
|
||||
}
|
||||
}
|
||||
return AOMMIN(seg_eob, c + 1);
|
||||
}
|
||||
|
||||
#if CONFIG_CTX1D
|
||||
static INLINE int read_nz_map_vert(aom_reader *r, tran_low_t *tcoeffs,
|
||||
int plane, const int16_t *scan,
|
||||
const int16_t *iscan, TX_SIZE tx_size,
|
||||
TX_TYPE tx_type, FRAME_CONTEXT *fc,
|
||||
FRAME_COUNTS *counts) {
|
||||
const TX_SIZE txs_ctx = get_txsize_context(tx_size);
|
||||
const PLANE_TYPE plane_type = get_plane_type(plane);
|
||||
const TX_CLASS tx_class = get_tx_class(tx_type);
|
||||
const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2;
|
||||
const int width = tx_size_wide[tx_size];
|
||||
const int height = tx_size_high[tx_size];
|
||||
int16_t eob_ls[MAX_HVTX_SIZE];
|
||||
int eob = 0;
|
||||
#if !LV_MAP_PROB
|
||||
aom_prob *nz_map = fc->nz_map[txs_ctx][plane_type];
|
||||
#endif
|
||||
for (int col = 0; col < width; ++col) {
|
||||
int el_ctx = get_empty_line_ctx(col, eob_ls);
|
||||
#if LV_MAP_PROB
|
||||
int empty_line = av1_read_record_bin(
|
||||
counts, r, fc->empty_line_cdf[txs_ctx][plane_type][tx_class][el_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
int empty_line = aom_read(
|
||||
r, fc->empty_line[txs_ctx][plane_type][tx_class][el_ctx], ACCT_STR);
|
||||
#endif
|
||||
if (counts)
|
||||
++counts->empty_line[txs_ctx][plane_type][tx_class][el_ctx][empty_line];
|
||||
if (!empty_line) {
|
||||
int row;
|
||||
for (row = 0; row < height; ++row) {
|
||||
if (row + 1 != height) {
|
||||
int coeff_idx = row * width + col;
|
||||
int scan_idx = iscan[coeff_idx];
|
||||
int coeff_ctx =
|
||||
get_nz_map_ctx(tcoeffs, scan_idx, scan, bwl, height, tx_type);
|
||||
#if LV_MAP_PROB
|
||||
int is_nz = av1_read_record_bin(
|
||||
counts, r, fc->nz_map_cdf[txs_ctx][plane_type][coeff_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
int is_nz = aom_read(r, nz_map[coeff_ctx], ACCT_STR);
|
||||
#endif
|
||||
if (counts) ++counts->nz_map[txs_ctx][plane_type][coeff_ctx][is_nz];
|
||||
tcoeffs[coeff_idx] = is_nz;
|
||||
if (is_nz) {
|
||||
eob = AOMMAX(eob, iscan[coeff_idx] + 1);
|
||||
if (row + 1 != height) {
|
||||
int eob_ctx = get_hv_eob_ctx(col, row, eob_ls);
|
||||
#if LV_MAP_PROB
|
||||
int is_eob = av1_read_record_bin(
|
||||
counts, r,
|
||||
fc->hv_eob_cdf[txs_ctx][plane_type][tx_class][eob_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
int is_eob = aom_read(
|
||||
r, fc->hv_eob[txs_ctx][plane_type][tx_class][eob_ctx],
|
||||
ACCT_STR);
|
||||
#endif
|
||||
if (counts)
|
||||
++counts
|
||||
->hv_eob[txs_ctx][plane_type][tx_class][eob_ctx][is_eob];
|
||||
if (is_eob) break;
|
||||
}
|
||||
}
|
||||
} else {
|
||||
int coeff_idx = row * width + col;
|
||||
tcoeffs[coeff_idx] = 1;
|
||||
eob = AOMMAX(eob, iscan[coeff_idx] + 1);
|
||||
}
|
||||
}
|
||||
eob_ls[col] = AOMMIN(height, row + 1);
|
||||
} else {
|
||||
eob_ls[col] = 0;
|
||||
}
|
||||
static INLINE int rec_eob_pos(const int eob_token, const int extra) {
|
||||
int eob = k_eob_group_start[eob_token];
|
||||
if (eob > 2) {
|
||||
eob += extra;
|
||||
}
|
||||
return eob;
|
||||
}
|
||||
|
||||
static INLINE int read_nz_map_horiz(aom_reader *r, tran_low_t *tcoeffs,
|
||||
int plane, const int16_t *scan,
|
||||
const int16_t *iscan, TX_SIZE tx_size,
|
||||
TX_TYPE tx_type, FRAME_CONTEXT *fc,
|
||||
FRAME_COUNTS *counts) {
|
||||
const TX_SIZE txs_ctx = get_txsize_context(tx_size);
|
||||
const PLANE_TYPE plane_type = get_plane_type(plane);
|
||||
const TX_CLASS tx_class = get_tx_class(tx_type);
|
||||
const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2;
|
||||
const int width = tx_size_wide[tx_size];
|
||||
const int height = tx_size_high[tx_size];
|
||||
int16_t eob_ls[MAX_HVTX_SIZE];
|
||||
int eob = 0;
|
||||
#if !LV_MAP_PROB
|
||||
aom_prob *nz_map = fc->nz_map[txs_ctx][plane_type];
|
||||
#endif
|
||||
for (int row = 0; row < height; ++row) {
|
||||
int el_ctx = get_empty_line_ctx(row, eob_ls);
|
||||
#if LV_MAP_PROB
|
||||
int empty_line = av1_read_record_bin(
|
||||
counts, r, fc->empty_line_cdf[txs_ctx][plane_type][tx_class][el_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
int empty_line = aom_read(
|
||||
r, fc->empty_line[txs_ctx][plane_type][tx_class][el_ctx], ACCT_STR);
|
||||
#endif
|
||||
if (counts)
|
||||
++counts->empty_line[txs_ctx][plane_type][tx_class][el_ctx][empty_line];
|
||||
if (!empty_line) {
|
||||
int col;
|
||||
for (col = 0; col < width; ++col) {
|
||||
if (col + 1 != width) {
|
||||
int coeff_idx = row * width + col;
|
||||
int scan_idx = iscan[coeff_idx];
|
||||
int coeff_ctx =
|
||||
get_nz_map_ctx(tcoeffs, scan_idx, scan, bwl, height, tx_type);
|
||||
#if LV_MAP_PROB
|
||||
int is_nz = av1_read_record_bin(
|
||||
counts, r, fc->nz_map_cdf[txs_ctx][plane_type][coeff_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
int is_nz = aom_read(r, nz_map[coeff_ctx], ACCT_STR);
|
||||
#endif
|
||||
if (counts) ++counts->nz_map[txs_ctx][plane_type][coeff_ctx][is_nz];
|
||||
tcoeffs[coeff_idx] = is_nz;
|
||||
if (is_nz) {
|
||||
eob = AOMMAX(eob, iscan[coeff_idx] + 1);
|
||||
int eob_ctx = get_hv_eob_ctx(row, col, eob_ls);
|
||||
#if LV_MAP_PROB
|
||||
int is_eob = av1_read_record_bin(
|
||||
counts, r,
|
||||
fc->hv_eob_cdf[txs_ctx][plane_type][tx_class][eob_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
int is_eob =
|
||||
aom_read(r, fc->hv_eob[txs_ctx][plane_type][tx_class][eob_ctx],
|
||||
ACCT_STR);
|
||||
#endif
|
||||
if (counts)
|
||||
++counts->hv_eob[txs_ctx][plane_type][tx_class][eob_ctx][is_eob];
|
||||
if (is_eob) break;
|
||||
}
|
||||
} else {
|
||||
int coeff_idx = row * width + col;
|
||||
tcoeffs[coeff_idx] = 1;
|
||||
eob = AOMMAX(eob, iscan[coeff_idx] + 1);
|
||||
}
|
||||
}
|
||||
eob_ls[row] = AOMMIN(width, col + 1);
|
||||
} else {
|
||||
eob_ls[row] = 0;
|
||||
}
|
||||
}
|
||||
return eob;
|
||||
static INLINE int get_dqv(const int16_t *dequant, int coeff_idx,
|
||||
const qm_val_t *iqmatrix) {
|
||||
int dqv = dequant[!!coeff_idx];
|
||||
if (iqmatrix != NULL)
|
||||
dqv =
|
||||
((iqmatrix[coeff_idx] * dqv) + (1 << (AOM_QM_BITS - 1))) >> AOM_QM_BITS;
|
||||
return dqv;
|
||||
}
|
||||
#endif
|
||||
|
||||
uint8_t av1_read_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *xd,
|
||||
aom_reader *r, int blk_row, int blk_col, int block,
|
||||
int plane, tran_low_t *tcoeffs, TXB_CTX *txb_ctx,
|
||||
TX_SIZE tx_size, int16_t *max_scan_line, int *eob) {
|
||||
FRAME_CONTEXT *ec_ctx = xd->tile_ctx;
|
||||
FRAME_COUNTS *counts = xd->counts;
|
||||
TX_SIZE txs_ctx = get_txsize_context(tx_size);
|
||||
PLANE_TYPE plane_type = get_plane_type(plane);
|
||||
#if !LV_MAP_PROB
|
||||
aom_prob *nz_map = ec_ctx->nz_map[txs_ctx][plane_type];
|
||||
aom_prob *eob_flag = ec_ctx->eob_flag[txs_ctx][plane_type];
|
||||
#endif
|
||||
MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi;
|
||||
const int seg_eob = tx_size_2d[tx_size];
|
||||
int c = 0;
|
||||
int update_eob = -1;
|
||||
const int16_t *const dequant = xd->plane[plane].seg_dequant[mbmi->segment_id];
|
||||
static INLINE void read_coeffs_reverse_2d(aom_reader *r, TX_SIZE tx_size,
|
||||
int start_si, int end_si,
|
||||
const int16_t *scan, int bwl,
|
||||
uint8_t *levels,
|
||||
base_cdf_arr base_cdf,
|
||||
br_cdf_arr br_cdf) {
|
||||
for (int c = end_si; c >= start_si; --c) {
|
||||
const int pos = scan[c];
|
||||
const int coeff_ctx = get_lower_levels_ctx_2d(levels, pos, bwl, tx_size);
|
||||
const int nsymbs = 4;
|
||||
int level = aom_read_symbol(r, base_cdf[coeff_ctx], nsymbs, ACCT_STR);
|
||||
if (level > NUM_BASE_LEVELS) {
|
||||
const int br_ctx = get_br_ctx_2d(levels, pos, bwl);
|
||||
aom_cdf_prob *cdf = br_cdf[br_ctx];
|
||||
for (int idx = 0; idx < COEFF_BASE_RANGE; idx += BR_CDF_SIZE - 1) {
|
||||
const int k = aom_read_symbol(r, cdf, BR_CDF_SIZE, ACCT_STR);
|
||||
level += k;
|
||||
if (k < BR_CDF_SIZE - 1) break;
|
||||
}
|
||||
}
|
||||
levels[get_padded_idx(pos, bwl)] = level;
|
||||
}
|
||||
}
|
||||
|
||||
static INLINE void read_coeffs_reverse(aom_reader *r, TX_SIZE tx_size,
|
||||
TX_CLASS tx_class, int start_si,
|
||||
int end_si, const int16_t *scan, int bwl,
|
||||
uint8_t *levels, base_cdf_arr base_cdf,
|
||||
br_cdf_arr br_cdf) {
|
||||
for (int c = end_si; c >= start_si; --c) {
|
||||
const int pos = scan[c];
|
||||
const int coeff_ctx =
|
||||
get_lower_levels_ctx(levels, pos, bwl, tx_size, tx_class);
|
||||
const int nsymbs = 4;
|
||||
int level = aom_read_symbol(r, base_cdf[coeff_ctx], nsymbs, ACCT_STR);
|
||||
if (level > NUM_BASE_LEVELS) {
|
||||
const int br_ctx = get_br_ctx(levels, pos, bwl, tx_class);
|
||||
aom_cdf_prob *cdf = br_cdf[br_ctx];
|
||||
for (int idx = 0; idx < COEFF_BASE_RANGE; idx += BR_CDF_SIZE - 1) {
|
||||
const int k = aom_read_symbol(r, cdf, BR_CDF_SIZE, ACCT_STR);
|
||||
level += k;
|
||||
if (k < BR_CDF_SIZE - 1) break;
|
||||
}
|
||||
}
|
||||
levels[get_padded_idx(pos, bwl)] = level;
|
||||
}
|
||||
}
|
||||
|
||||
uint8_t av1_read_coeffs_txb(const AV1_COMMON *const cm, MACROBLOCKD *const xd,
|
||||
aom_reader *const r, const int blk_row,
|
||||
const int blk_col, const int plane,
|
||||
const TXB_CTX *const txb_ctx,
|
||||
const TX_SIZE tx_size) {
|
||||
FRAME_CONTEXT *const ec_ctx = xd->tile_ctx;
|
||||
const int32_t max_value = (1 << (7 + xd->bd)) - 1;
|
||||
const int32_t min_value = -(1 << (7 + xd->bd));
|
||||
const TX_SIZE txs_ctx = get_txsize_entropy_ctx(tx_size);
|
||||
const PLANE_TYPE plane_type = get_plane_type(plane);
|
||||
MB_MODE_INFO *const mbmi = xd->mi[0];
|
||||
struct macroblockd_plane *const pd = &xd->plane[plane];
|
||||
const int16_t *const dequant = pd->seg_dequant_QTX[mbmi->segment_id];
|
||||
tran_low_t *const tcoeffs = pd->dqcoeff_block + xd->cb_offset[plane];
|
||||
const int shift = av1_get_tx_scale(tx_size);
|
||||
const int bwl = b_width_log2_lookup[txsize_to_bsize[tx_size]] + 2;
|
||||
const int height = tx_size_high[tx_size];
|
||||
const int bwl = get_txb_bwl(tx_size);
|
||||
const int width = get_txb_wide(tx_size);
|
||||
const int height = get_txb_high(tx_size);
|
||||
int cul_level = 0;
|
||||
memset(tcoeffs, 0, sizeof(*tcoeffs) * seg_eob);
|
||||
|
||||
#if LV_MAP_PROB
|
||||
int all_zero = av1_read_record_bin(
|
||||
counts, r, ec_ctx->txb_skip_cdf[txs_ctx][txb_ctx->txb_skip_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
int all_zero =
|
||||
aom_read(r, ec_ctx->txb_skip[txs_ctx][txb_ctx->txb_skip_ctx], ACCT_STR);
|
||||
#endif
|
||||
if (xd->counts)
|
||||
++xd->counts->txb_skip[txs_ctx][txb_ctx->txb_skip_ctx][all_zero];
|
||||
|
||||
int dc_val = 0;
|
||||
uint8_t levels_buf[TX_PAD_2D];
|
||||
uint8_t *const levels = set_levels(levels_buf, width);
|
||||
const int all_zero = aom_read_symbol(
|
||||
r, ec_ctx->txb_skip_cdf[txs_ctx][txb_ctx->txb_skip_ctx], 2, ACCT_STR);
|
||||
eob_info *eob_data = pd->eob_data + xd->txb_offset[plane];
|
||||
uint16_t *const eob = &(eob_data->eob);
|
||||
uint16_t *const max_scan_line = &(eob_data->max_scan_line);
|
||||
*max_scan_line = 0;
|
||||
*eob = 0;
|
||||
if (all_zero) {
|
||||
*max_scan_line = 0;
|
||||
#if CONFIG_TXK_SEL
|
||||
if (plane == 0) mbmi->txk_type[(blk_row << 4) + blk_col] = DCT_DCT;
|
||||
#endif
|
||||
if (plane == 0) {
|
||||
const int txk_type_idx =
|
||||
av1_get_txk_type_index(mbmi->sb_type, blk_row, blk_col);
|
||||
mbmi->txk_type[txk_type_idx] = DCT_DCT;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
(void)blk_row;
|
||||
(void)blk_col;
|
||||
#if CONFIG_TXK_SEL
|
||||
av1_read_tx_type(cm, xd, blk_row, blk_col, block, plane,
|
||||
get_min_tx_size(tx_size), r);
|
||||
#endif
|
||||
const TX_TYPE tx_type =
|
||||
av1_get_tx_type(plane_type, xd, blk_row, blk_col, block, tx_size);
|
||||
const SCAN_ORDER *const scan_order = get_scan(cm, tx_size, tx_type, mbmi);
|
||||
const int16_t *scan = scan_order->scan;
|
||||
memset(levels_buf, 0,
|
||||
sizeof(*levels_buf) *
|
||||
((width + TX_PAD_HOR) * (height + TX_PAD_VER) + TX_PAD_END));
|
||||
if (plane == AOM_PLANE_Y) {
|
||||
// only y plane's tx_type is transmitted
|
||||
av1_read_tx_type(cm, xd, blk_row, blk_col, tx_size, r);
|
||||
}
|
||||
const TX_TYPE tx_type = av1_get_tx_type(plane_type, xd, blk_row, blk_col,
|
||||
tx_size, cm->reduced_tx_set_used);
|
||||
const TX_CLASS tx_class = tx_type_to_class[tx_type];
|
||||
const TX_SIZE qm_tx_size = av1_get_adjusted_tx_size(tx_size);
|
||||
const qm_val_t *iqmatrix =
|
||||
IS_2D_TRANSFORM(tx_type)
|
||||
? pd->seg_iqmatrix[mbmi->segment_id][qm_tx_size]
|
||||
: cm->giqmatrix[NUM_QM_LEVELS - 1][0][qm_tx_size];
|
||||
const SCAN_ORDER *const scan_order = get_scan(tx_size, tx_type);
|
||||
const int16_t *const scan = scan_order->scan;
|
||||
int eob_extra = 0;
|
||||
int eob_pt = 1;
|
||||
|
||||
#if CONFIG_CTX1D
|
||||
const int16_t *iscan = scan_order->iscan;
|
||||
TX_CLASS tx_class = get_tx_class(tx_type);
|
||||
if (tx_class == TX_CLASS_2D) {
|
||||
*eob =
|
||||
read_nz_map(r, tcoeffs, plane, scan, tx_size, tx_type, ec_ctx, counts);
|
||||
} else {
|
||||
#if LV_MAP_PROB
|
||||
const int eob_mode = av1_read_record_bin(
|
||||
counts, r, ec_ctx->eob_mode_cdf[txs_ctx][plane_type][tx_class], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
const int eob_mode =
|
||||
aom_read(r, ec_ctx->eob_mode[txs_ctx][plane_type][tx_class], ACCT_STR);
|
||||
#endif
|
||||
if (counts) ++counts->eob_mode[txs_ctx][plane_type][tx_class][eob_mode];
|
||||
if (eob_mode == 0) {
|
||||
*eob = read_nz_map(r, tcoeffs, plane, scan, tx_size, tx_type, ec_ctx,
|
||||
counts);
|
||||
const int eob_multi_size = txsize_log2_minus4[tx_size];
|
||||
const int eob_multi_ctx = (tx_class == TX_CLASS_2D) ? 0 : 1;
|
||||
switch (eob_multi_size) {
|
||||
case 0:
|
||||
eob_pt =
|
||||
aom_read_symbol(r, ec_ctx->eob_flag_cdf16[plane_type][eob_multi_ctx],
|
||||
5, ACCT_STR) +
|
||||
1;
|
||||
break;
|
||||
case 1:
|
||||
eob_pt =
|
||||
aom_read_symbol(r, ec_ctx->eob_flag_cdf32[plane_type][eob_multi_ctx],
|
||||
6, ACCT_STR) +
|
||||
1;
|
||||
break;
|
||||
case 2:
|
||||
eob_pt =
|
||||
aom_read_symbol(r, ec_ctx->eob_flag_cdf64[plane_type][eob_multi_ctx],
|
||||
7, ACCT_STR) +
|
||||
1;
|
||||
break;
|
||||
case 3:
|
||||
eob_pt =
|
||||
aom_read_symbol(r, ec_ctx->eob_flag_cdf128[plane_type][eob_multi_ctx],
|
||||
8, ACCT_STR) +
|
||||
1;
|
||||
break;
|
||||
case 4:
|
||||
eob_pt =
|
||||
aom_read_symbol(r, ec_ctx->eob_flag_cdf256[plane_type][eob_multi_ctx],
|
||||
9, ACCT_STR) +
|
||||
1;
|
||||
break;
|
||||
case 5:
|
||||
eob_pt =
|
||||
aom_read_symbol(r, ec_ctx->eob_flag_cdf512[plane_type][eob_multi_ctx],
|
||||
10, ACCT_STR) +
|
||||
1;
|
||||
break;
|
||||
case 6:
|
||||
default:
|
||||
eob_pt = aom_read_symbol(
|
||||
r, ec_ctx->eob_flag_cdf1024[plane_type][eob_multi_ctx], 11,
|
||||
ACCT_STR) +
|
||||
1;
|
||||
break;
|
||||
}
|
||||
|
||||
if (k_eob_offset_bits[eob_pt] > 0) {
|
||||
const int eob_ctx = eob_pt - 3;
|
||||
int bit = aom_read_symbol(
|
||||
r, ec_ctx->eob_extra_cdf[txs_ctx][plane_type][eob_ctx], 2, ACCT_STR);
|
||||
if (bit) {
|
||||
eob_extra += (1 << (k_eob_offset_bits[eob_pt] - 1));
|
||||
}
|
||||
|
||||
for (int i = 1; i < k_eob_offset_bits[eob_pt]; i++) {
|
||||
bit = aom_read_bit(r, ACCT_STR);
|
||||
if (bit) {
|
||||
eob_extra += (1 << (k_eob_offset_bits[eob_pt] - 1 - i));
|
||||
}
|
||||
}
|
||||
}
|
||||
*eob = rec_eob_pos(eob_pt, eob_extra);
|
||||
|
||||
{
|
||||
// Read the non-zero coefficient with scan index eob-1
|
||||
// TODO(angiebird): Put this into a function
|
||||
const int c = *eob - 1;
|
||||
const int pos = scan[c];
|
||||
const int coeff_ctx = get_lower_levels_ctx_eob(bwl, height, c);
|
||||
const int nsymbs = 3;
|
||||
aom_cdf_prob *cdf =
|
||||
ec_ctx->coeff_base_eob_cdf[txs_ctx][plane_type][coeff_ctx];
|
||||
int level = aom_read_symbol(r, cdf, nsymbs, ACCT_STR) + 1;
|
||||
if (level > NUM_BASE_LEVELS) {
|
||||
const int br_ctx = get_br_ctx(levels, pos, bwl, tx_class);
|
||||
for (int idx = 0; idx < COEFF_BASE_RANGE; idx += BR_CDF_SIZE - 1) {
|
||||
const int k = aom_read_symbol(
|
||||
r,
|
||||
ec_ctx->coeff_br_cdf[AOMMIN(txs_ctx, TX_32X32)][plane_type][br_ctx],
|
||||
BR_CDF_SIZE, ACCT_STR);
|
||||
level += k;
|
||||
if (k < BR_CDF_SIZE - 1) break;
|
||||
}
|
||||
}
|
||||
levels[get_padded_idx(pos, bwl)] = level;
|
||||
}
|
||||
if (*eob > 1) {
|
||||
base_cdf_arr base_cdf = ec_ctx->coeff_base_cdf[txs_ctx][plane_type];
|
||||
br_cdf_arr br_cdf =
|
||||
ec_ctx->coeff_br_cdf[AOMMIN(txs_ctx, TX_32X32)][plane_type];
|
||||
if (tx_class == TX_CLASS_2D) {
|
||||
read_coeffs_reverse_2d(r, tx_size, 1, *eob - 1 - 1, scan, bwl, levels,
|
||||
base_cdf, br_cdf);
|
||||
read_coeffs_reverse(r, tx_size, tx_class, 0, 0, scan, bwl, levels,
|
||||
base_cdf, br_cdf);
|
||||
} else {
|
||||
assert(tx_class == TX_CLASS_VERT || tx_class == TX_CLASS_HORIZ);
|
||||
if (tx_class == TX_CLASS_VERT)
|
||||
*eob = read_nz_map_vert(r, tcoeffs, plane, scan, iscan, tx_size,
|
||||
tx_type, ec_ctx, counts);
|
||||
else
|
||||
*eob = read_nz_map_horiz(r, tcoeffs, plane, scan, iscan, tx_size,
|
||||
tx_type, ec_ctx, counts);
|
||||
read_coeffs_reverse(r, tx_size, tx_class, 0, *eob - 1 - 1, scan, bwl,
|
||||
levels, base_cdf, br_cdf);
|
||||
}
|
||||
}
|
||||
#else
|
||||
*eob = read_nz_map(r, tcoeffs, plane, scan, tx_size, tx_type, ec_ctx, counts);
|
||||
#endif
|
||||
*max_scan_line = *eob;
|
||||
|
||||
int i;
|
||||
for (i = 0; i < NUM_BASE_LEVELS; ++i) {
|
||||
#if !LV_MAP_PROB
|
||||
aom_prob *coeff_base = ec_ctx->coeff_base[txs_ctx][plane_type][i];
|
||||
#endif
|
||||
update_eob = 0;
|
||||
for (c = *eob - 1; c >= 0; --c) {
|
||||
tran_low_t *v = &tcoeffs[scan[c]];
|
||||
int sign;
|
||||
int ctx;
|
||||
int16_t num_zero_coeffs = 0;
|
||||
for (int c = 0; c < *eob; ++c) {
|
||||
const int pos = scan[c];
|
||||
num_zero_coeffs = AOMMAX(num_zero_coeffs, pos);
|
||||
}
|
||||
memset(tcoeffs, 0, (num_zero_coeffs + 1) * sizeof(tcoeffs[0]));
|
||||
|
||||
if (*v <= i) continue;
|
||||
|
||||
ctx = get_base_ctx(tcoeffs, scan[c], bwl, height, i + 1);
|
||||
|
||||
#if LV_MAP_PROB
|
||||
if (av1_read_record_bin(
|
||||
counts, r, ec_ctx->coeff_base_cdf[txs_ctx][plane_type][i][ctx], 2,
|
||||
ACCT_STR))
|
||||
#else
|
||||
if (aom_read(r, coeff_base[ctx], ACCT_STR))
|
||||
#endif
|
||||
{
|
||||
*v = i + 1;
|
||||
cul_level += i + 1;
|
||||
|
||||
if (counts) ++counts->coeff_base[txs_ctx][plane_type][i][ctx][1];
|
||||
|
||||
if (c == 0) {
|
||||
int dc_sign_ctx = txb_ctx->dc_sign_ctx;
|
||||
#if LV_MAP_PROB
|
||||
sign = av1_read_record_bin(
|
||||
counts, r, ec_ctx->dc_sign_cdf[plane_type][dc_sign_ctx], 2,
|
||||
ACCT_STR);
|
||||
#else
|
||||
sign =
|
||||
aom_read(r, ec_ctx->dc_sign[plane_type][dc_sign_ctx], ACCT_STR);
|
||||
#endif
|
||||
if (counts) ++counts->dc_sign[plane_type][dc_sign_ctx][sign];
|
||||
} else {
|
||||
sign = av1_read_record_bit(counts, r, ACCT_STR);
|
||||
}
|
||||
if (sign) *v = -(*v);
|
||||
continue;
|
||||
for (int c = 0; c < *eob; ++c) {
|
||||
const int pos = scan[c];
|
||||
uint8_t sign;
|
||||
tran_low_t level = levels[get_padded_idx(pos, bwl)];
|
||||
if (level) {
|
||||
*max_scan_line = AOMMAX(*max_scan_line, pos);
|
||||
if (c == 0) {
|
||||
const int dc_sign_ctx = txb_ctx->dc_sign_ctx;
|
||||
sign = aom_read_symbol(r, ec_ctx->dc_sign_cdf[plane_type][dc_sign_ctx],
|
||||
2, ACCT_STR);
|
||||
} else {
|
||||
sign = aom_read_bit(r, ACCT_STR);
|
||||
}
|
||||
*v = i + 2;
|
||||
if (counts) ++counts->coeff_base[txs_ctx][plane_type][i][ctx][0];
|
||||
|
||||
// update the eob flag for coefficients with magnitude above 1.
|
||||
update_eob = AOMMAX(update_eob, c);
|
||||
}
|
||||
}
|
||||
|
||||
for (c = update_eob; c >= 0; --c) {
|
||||
tran_low_t *v = &tcoeffs[scan[c]];
|
||||
int sign;
|
||||
int idx;
|
||||
int ctx;
|
||||
|
||||
if (*v <= NUM_BASE_LEVELS) continue;
|
||||
|
||||
if (c == 0) {
|
||||
int dc_sign_ctx = txb_ctx->dc_sign_ctx;
|
||||
#if LV_MAP_PROB
|
||||
sign = av1_read_record_bin(
|
||||
counts, r, ec_ctx->dc_sign_cdf[plane_type][dc_sign_ctx], 2, ACCT_STR);
|
||||
#else
|
||||
sign = aom_read(r, ec_ctx->dc_sign[plane_type][dc_sign_ctx], ACCT_STR);
|
||||
#endif
|
||||
if (counts) ++counts->dc_sign[plane_type][dc_sign_ctx][sign];
|
||||
} else {
|
||||
sign = av1_read_record_bit(counts, r, ACCT_STR);
|
||||
}
|
||||
|
||||
ctx = get_br_ctx(tcoeffs, scan[c], bwl, height);
|
||||
|
||||
#if BR_NODE
|
||||
for (idx = 0; idx < BASE_RANGE_SETS; ++idx) {
|
||||
#if LV_MAP_PROB
|
||||
if (av1_read_record_bin(
|
||||
counts, r, ec_ctx->coeff_br_cdf[txs_ctx][plane_type][idx][ctx], 2,
|
||||
ACCT_STR))
|
||||
#else // LV_MAP_PROB
|
||||
if (aom_read(r, ec_ctx->coeff_br[txs_ctx][plane_type][idx][ctx],
|
||||
ACCT_STR))
|
||||
#endif // LV_MAP_PROB
|
||||
{
|
||||
int extra_bits = (1 << br_extra_bits[idx]) - 1;
|
||||
// int br_offset = aom_read_literal(r, extra_bits, ACCT_STR);
|
||||
int br_offset = 0;
|
||||
int tok;
|
||||
if (counts) ++counts->coeff_br[txs_ctx][plane_type][idx][ctx][1];
|
||||
for (tok = 0; tok < extra_bits; ++tok) {
|
||||
#if LV_MAP_PROB
|
||||
if (av1_read_record_bin(
|
||||
counts, r, ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx], 2,
|
||||
ACCT_STR))
|
||||
#else
|
||||
if (aom_read(r, ec_ctx->coeff_lps[txs_ctx][plane_type][ctx],
|
||||
ACCT_STR))
|
||||
#endif
|
||||
{
|
||||
br_offset = tok;
|
||||
if (counts) ++counts->coeff_lps[txs_ctx][plane_type][ctx][1];
|
||||
break;
|
||||
}
|
||||
if (counts) ++counts->coeff_lps[txs_ctx][plane_type][ctx][0];
|
||||
}
|
||||
if (tok == extra_bits) br_offset = extra_bits;
|
||||
|
||||
int br_base = br_index_to_coeff[idx];
|
||||
|
||||
*v = NUM_BASE_LEVELS + 1 + br_base + br_offset;
|
||||
cul_level += *v;
|
||||
if (sign) *v = -(*v);
|
||||
break;
|
||||
if (level >= MAX_BASE_BR_RANGE) {
|
||||
level += read_golomb(xd, r);
|
||||
}
|
||||
if (counts) ++counts->coeff_br[txs_ctx][plane_type][idx][ctx][0];
|
||||
}
|
||||
|
||||
if (idx < BASE_RANGE_SETS) continue;
|
||||
#else
|
||||
for (idx = 0; idx < COEFF_BASE_RANGE; ++idx) {
|
||||
#if LV_MAP_PROB
|
||||
if (av1_read_record_bin(counts, r,
|
||||
ec_ctx->coeff_lps_cdf[txs_ctx][plane_type][ctx],
|
||||
2, ACCT_STR))
|
||||
#else
|
||||
if (aom_read(r, ec_ctx->coeff_lps[txs_ctx][plane_type][ctx], ACCT_STR))
|
||||
#endif
|
||||
{
|
||||
*v = (idx + 1 + NUM_BASE_LEVELS);
|
||||
if (sign) *v = -(*v);
|
||||
cul_level += abs(*v);
|
||||
if (c == 0) dc_val = sign ? -level : level;
|
||||
|
||||
if (counts) ++counts->coeff_lps[txs_ctx][plane_type][ctx][1];
|
||||
break;
|
||||
// Bitmasking to clamp level to valid range:
|
||||
// The valid range for 8/10/12 bit vdieo is at most 14/16/18 bit
|
||||
level &= 0xfffff;
|
||||
cul_level += level;
|
||||
tran_low_t dq_coeff;
|
||||
// Bitmasking to clamp dq_coeff to valid range:
|
||||
// The valid range for 8/10/12 bit video is at most 17/19/21 bit
|
||||
dq_coeff = (tran_low_t)(
|
||||
(int64_t)level * get_dqv(dequant, scan[c], iqmatrix) & 0xffffff);
|
||||
dq_coeff = dq_coeff >> shift;
|
||||
if (sign) {
|
||||
dq_coeff = -dq_coeff;
|
||||
}
|
||||
if (counts) ++counts->coeff_lps[txs_ctx][plane_type][ctx][0];
|
||||
tcoeffs[pos] = clamp(dq_coeff, min_value, max_value);
|
||||
}
|
||||
if (idx < COEFF_BASE_RANGE) continue;
|
||||
#endif
|
||||
|
||||
// decode 0-th order Golomb code
|
||||
*v = read_golomb(xd, r, counts) + COEFF_BASE_RANGE + 1 + NUM_BASE_LEVELS;
|
||||
if (sign) *v = -(*v);
|
||||
cul_level += abs(*v);
|
||||
}
|
||||
|
||||
for (c = 0; c < *eob; ++c) {
|
||||
int16_t dqv = (c == 0) ? dequant[0] : dequant[1];
|
||||
tran_low_t *v = &tcoeffs[scan[c]];
|
||||
#if CONFIG_SYMBOLRATE
|
||||
av1_record_coeff(counts, abs(*v));
|
||||
#endif
|
||||
int sign = (*v) < 0;
|
||||
*v = (abs(*v) * dqv) >> shift;
|
||||
if (sign) *v = -(*v);
|
||||
}
|
||||
|
||||
cul_level = AOMMIN(63, cul_level);
|
||||
cul_level = AOMMIN(COEFF_CONTEXT_MASK, cul_level);
|
||||
|
||||
// DC value
|
||||
set_dc_sign(&cul_level, tcoeffs[0]);
|
||||
set_dc_sign(&cul_level, dc_val);
|
||||
|
||||
return cul_level;
|
||||
}
|
||||
|
||||
uint8_t av1_read_coeffs_txb_facade(AV1_COMMON *cm, MACROBLOCKD *xd,
|
||||
aom_reader *r, int row, int col, int block,
|
||||
int plane, tran_low_t *tcoeffs,
|
||||
TX_SIZE tx_size, int16_t *max_scan_line,
|
||||
int *eob) {
|
||||
MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi;
|
||||
struct macroblockd_plane *pd = &xd->plane[plane];
|
||||
uint8_t av1_read_coeffs_txb_facade(const AV1_COMMON *const cm,
|
||||
MACROBLOCKD *const xd, aom_reader *const r,
|
||||
const int row, const int col,
|
||||
const int plane, const TX_SIZE tx_size) {
|
||||
MB_MODE_INFO *const mbmi = xd->mi[0];
|
||||
struct macroblockd_plane *const pd = &xd->plane[plane];
|
||||
|
||||
const BLOCK_SIZE bsize = mbmi->sb_type;
|
||||
#if CONFIG_CHROMA_SUB8X8
|
||||
const BLOCK_SIZE plane_bsize =
|
||||
AOMMAX(BLOCK_4X4, get_plane_block_size(bsize, pd));
|
||||
#elif CONFIG_CB4X4
|
||||
const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
|
||||
#else // CONFIG_CB4X4
|
||||
const BLOCK_SIZE plane_bsize =
|
||||
get_plane_block_size(AOMMAX(BLOCK_8X8, bsize), pd);
|
||||
#endif // CONFIG_CB4X4
|
||||
get_plane_block_size(bsize, pd->subsampling_x, pd->subsampling_y);
|
||||
|
||||
TXB_CTX txb_ctx;
|
||||
get_txb_ctx(plane_bsize, tx_size, plane, pd->above_context + col,
|
||||
pd->left_context + row, &txb_ctx);
|
||||
uint8_t cul_level =
|
||||
av1_read_coeffs_txb(cm, xd, r, row, col, block, plane, tcoeffs, &txb_ctx,
|
||||
tx_size, max_scan_line, eob);
|
||||
#if CONFIG_ADAPT_SCAN
|
||||
PLANE_TYPE plane_type = get_plane_type(plane);
|
||||
TX_TYPE tx_type = av1_get_tx_type(plane_type, xd, row, col, block, tx_size);
|
||||
if (xd->counts && *eob > 0)
|
||||
av1_update_scan_count_facade(cm, xd->counts, tx_size, tx_type, pd->dqcoeff,
|
||||
*eob);
|
||||
#endif
|
||||
av1_set_contexts(xd, pd, plane, tx_size, cul_level, col, row);
|
||||
const uint8_t cul_level =
|
||||
av1_read_coeffs_txb(cm, xd, r, row, col, plane, &txb_ctx, tx_size);
|
||||
av1_set_contexts(xd, pd, plane, plane_bsize, tx_size, cul_level, col, row);
|
||||
return cul_level;
|
||||
}
|
||||
|
||||
#if !LV_MAP_PROB
|
||||
static void read_txb_probs(FRAME_CONTEXT *fc, const TX_SIZE tx_size,
|
||||
aom_reader *r, FRAME_COUNTS *counts) {
|
||||
#if !CONFIG_SYMBOLRATE
|
||||
(void)counts;
|
||||
#endif
|
||||
int plane, ctx, level;
|
||||
|
||||
if (av1_read_record_bit(counts, r, ACCT_STR) == 0) return;
|
||||
|
||||
for (ctx = 0; ctx < TXB_SKIP_CONTEXTS; ++ctx)
|
||||
av1_diff_update_prob(r, &fc->txb_skip[tx_size][ctx], ACCT_STR);
|
||||
|
||||
for (plane = 0; plane < PLANE_TYPES; ++plane)
|
||||
for (ctx = 0; ctx < SIG_COEF_CONTEXTS; ++ctx)
|
||||
av1_diff_update_prob(r, &fc->nz_map[tx_size][plane][ctx], ACCT_STR);
|
||||
|
||||
for (plane = 0; plane < PLANE_TYPES; ++plane)
|
||||
for (ctx = 0; ctx < EOB_COEF_CONTEXTS; ++ctx)
|
||||
av1_diff_update_prob(r, &fc->eob_flag[tx_size][plane][ctx], ACCT_STR);
|
||||
|
||||
for (level = 0; level < NUM_BASE_LEVELS; ++level)
|
||||
for (plane = 0; plane < PLANE_TYPES; ++plane)
|
||||
for (ctx = 0; ctx < COEFF_BASE_CONTEXTS; ++ctx)
|
||||
av1_diff_update_prob(r, &fc->coeff_base[tx_size][plane][level][ctx],
|
||||
ACCT_STR);
|
||||
|
||||
for (plane = 0; plane < PLANE_TYPES; ++plane)
|
||||
for (ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx)
|
||||
av1_diff_update_prob(r, &fc->coeff_lps[tx_size][plane][ctx], ACCT_STR);
|
||||
}
|
||||
|
||||
void av1_read_txb_probs(FRAME_CONTEXT *fc, TX_MODE tx_mode, aom_reader *r,
|
||||
FRAME_COUNTS *counts) {
|
||||
const TX_SIZE max_tx_size = tx_mode_to_biggest_tx_size[tx_mode];
|
||||
TX_SIZE tx_size;
|
||||
int ctx, plane;
|
||||
|
||||
for (plane = 0; plane < PLANE_TYPES; ++plane)
|
||||
for (ctx = 0; ctx < DC_SIGN_CONTEXTS; ++ctx)
|
||||
av1_diff_update_prob(r, &fc->dc_sign[plane][ctx], ACCT_STR);
|
||||
|
||||
for (tx_size = TX_4X4; tx_size <= max_tx_size; ++tx_size)
|
||||
read_txb_probs(fc, tx_size, r, counts);
|
||||
}
|
||||
#endif // !LV_MAP_PROB
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue