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-rw-r--r--third_party/aom/av1/common/txb_common.h243
1 files changed, 3 insertions, 240 deletions
diff --git a/third_party/aom/av1/common/txb_common.h b/third_party/aom/av1/common/txb_common.h
index f0ab79d0f..1dda51f8b 100644
--- a/third_party/aom/av1/common/txb_common.h
+++ b/third_party/aom/av1/common/txb_common.h
@@ -9,8 +9,8 @@
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
-#ifndef AV1_COMMON_TXB_COMMON_H_
-#define AV1_COMMON_TXB_COMMON_H_
+#ifndef AOM_AV1_COMMON_TXB_COMMON_H_
+#define AOM_AV1_COMMON_TXB_COMMON_H_
extern const int16_t k_eob_group_start[12];
extern const int16_t k_eob_offset_bits[12];
@@ -34,24 +34,6 @@ static const int base_level_count_to_index[13] = {
0, 0, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3,
};
-// Note: TX_PAD_2D is dependent to this offset table.
-static const int base_ref_offset[BASE_CONTEXT_POSITION_NUM][2] = {
- /* clang-format off*/
- { -2, 0 }, { -1, -1 }, { -1, 0 }, { -1, 1 }, { 0, -2 }, { 0, -1 }, { 0, 1 },
- { 0, 2 }, { 1, -1 }, { 1, 0 }, { 1, 1 }, { 2, 0 }
- /* clang-format on*/
-};
-
-#define CONTEXT_MAG_POSITION_NUM 3
-static const int mag_ref_offset_with_txclass[3][CONTEXT_MAG_POSITION_NUM][2] = {
- { { 0, 1 }, { 1, 0 }, { 1, 1 } },
- { { 0, 1 }, { 1, 0 }, { 0, 2 } },
- { { 0, 1 }, { 1, 0 }, { 2, 0 } }
-};
-static const int mag_ref_offset[CONTEXT_MAG_POSITION_NUM][2] = {
- { 0, 1 }, { 1, 0 }, { 1, 1 }
-};
-
static const TX_CLASS tx_type_to_class[TX_TYPES] = {
TX_CLASS_2D, // DCT_DCT
TX_CLASS_2D, // ADST_DCT
@@ -71,61 +53,6 @@ static const TX_CLASS tx_type_to_class[TX_TYPES] = {
TX_CLASS_HORIZ, // H_FLIPADST
};
-static const int8_t eob_to_pos_small[33] = {
- 0, 1, 2, // 0-2
- 3, 3, // 3-4
- 4, 4, 4, 4, // 5-8
- 5, 5, 5, 5, 5, 5, 5, 5, // 9-16
- 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 // 17-32
-};
-
-static const int8_t eob_to_pos_large[17] = {
- 6, // place holder
- 7, // 33-64
- 8, 8, // 65-128
- 9, 9, 9, 9, // 129-256
- 10, 10, 10, 10, 10, 10, 10, 10, // 257-512
- 11 // 513-
-};
-
-static INLINE int get_eob_pos_token(const int eob, int *const extra) {
- int t;
-
- if (eob < 33) {
- t = eob_to_pos_small[eob];
- } else {
- const int e = AOMMIN((eob - 1) >> 5, 16);
- t = eob_to_pos_large[e];
- }
-
- *extra = eob - k_eob_group_start[t];
-
- return t;
-}
-
-static INLINE int av1_get_eob_pos_ctx(const TX_TYPE tx_type,
- const int eob_token) {
- static const int8_t tx_type_to_offset[TX_TYPES] = {
- -1, // DCT_DCT
- -1, // ADST_DCT
- -1, // DCT_ADST
- -1, // ADST_ADST
- -1, // FLIPADST_DCT
- -1, // DCT_FLIPADST
- -1, // FLIPADST_FLIPADST
- -1, // ADST_FLIPADST
- -1, // FLIPADST_ADST
- -1, // IDTX
- 10, // V_DCT
- 10, // H_DCT
- 10, // V_ADST
- 10, // H_ADST
- 10, // V_FLIPADST
- 10, // H_FLIPADST
- };
- return eob_token + tx_type_to_offset[tx_type];
-}
-
static INLINE int get_txb_bwl(TX_SIZE tx_size) {
tx_size = av1_get_adjusted_tx_size(tx_size);
return tx_size_wide_log2[tx_size];
@@ -141,36 +68,6 @@ static INLINE int get_txb_high(TX_SIZE tx_size) {
return tx_size_high[tx_size];
}
-static INLINE void get_base_count_mag(int *mag, int *count,
- const tran_low_t *tcoeffs, int bwl,
- int height, int row, int col) {
- mag[0] = 0;
- mag[1] = 0;
- for (int i = 0; i < NUM_BASE_LEVELS; ++i) count[i] = 0;
- for (int idx = 0; idx < BASE_CONTEXT_POSITION_NUM; ++idx) {
- const int ref_row = row + base_ref_offset[idx][0];
- const int ref_col = col + base_ref_offset[idx][1];
- if (ref_row < 0 || ref_col < 0 || ref_row >= height ||
- ref_col >= (1 << bwl))
- continue;
- const int pos = (ref_row << bwl) + ref_col;
- tran_low_t abs_coeff = abs(tcoeffs[pos]);
- // count
- for (int i = 0; i < NUM_BASE_LEVELS; ++i) {
- count[i] += abs_coeff > i;
- }
- // mag
- if (base_ref_offset[idx][0] >= 0 && base_ref_offset[idx][1] >= 0) {
- if (abs_coeff > mag[0]) {
- mag[0] = abs_coeff;
- mag[1] = 1;
- } else if (abs_coeff == mag[0]) {
- ++mag[1];
- }
- }
- }
-}
-
static INLINE uint8_t *set_levels(uint8_t *const levels_buf, const int width) {
return levels_buf + TX_PAD_TOP * (width + TX_PAD_HOR);
}
@@ -179,30 +76,6 @@ static INLINE int get_padded_idx(const int idx, const int bwl) {
return idx + ((idx >> bwl) << TX_PAD_HOR_LOG2);
}
-static INLINE int get_level_count(const uint8_t *const levels, const int stride,
- const int row, const int col, const int level,
- const int (*nb_offset)[2], const int nb_num) {
- int count = 0;
-
- for (int idx = 0; idx < nb_num; ++idx) {
- const int ref_row = row + nb_offset[idx][0];
- const int ref_col = col + nb_offset[idx][1];
- const int pos = ref_row * stride + ref_col;
- count += levels[pos] > level;
- }
- return count;
-}
-
-static INLINE void get_level_mag(const uint8_t *const levels, const int stride,
- const int row, const int col, int *const mag) {
- for (int idx = 0; idx < CONTEXT_MAG_POSITION_NUM; ++idx) {
- const int ref_row = row + mag_ref_offset[idx][0];
- const int ref_col = col + mag_ref_offset[idx][1];
- const int pos = ref_row * stride + ref_col;
- mag[idx] = levels[pos];
- }
-}
-
static INLINE int get_base_ctx_from_count_mag(int row, int col, int count,
int sig_mag) {
const int ctx = base_level_count_to_index[count];
@@ -267,84 +140,6 @@ static INLINE int get_base_ctx_from_count_mag(int row, int col, int count,
return ctx_idx;
}
-static INLINE int get_base_ctx(const uint8_t *const levels,
- const int c, // raster order
- const int bwl, const int level_minus_1,
- const int count) {
- const int row = c >> bwl;
- const int col = c - (row << bwl);
- const int stride = (1 << bwl) + TX_PAD_HOR;
- int mag_count = 0;
- int nb_mag[3] = { 0 };
-
- get_level_mag(levels, stride, row, col, nb_mag);
-
- for (int idx = 0; idx < 3; ++idx)
- mag_count += nb_mag[idx] > (level_minus_1 + 1);
- const int ctx_idx =
- get_base_ctx_from_count_mag(row, col, count, AOMMIN(2, mag_count));
- return ctx_idx;
-}
-
-#define BR_CONTEXT_POSITION_NUM 8 // Base range coefficient context
-// Note: TX_PAD_2D is dependent to this offset table.
-static const int br_ref_offset[BR_CONTEXT_POSITION_NUM][2] = {
- /* clang-format off*/
- { -1, -1 }, { -1, 0 }, { -1, 1 }, { 0, -1 },
- { 0, 1 }, { 1, -1 }, { 1, 0 }, { 1, 1 },
- /* clang-format on*/
-};
-
-static const int br_level_map[9] = {
- 0, 0, 1, 1, 2, 2, 3, 3, 3,
-};
-
-// Note: If BR_MAG_OFFSET changes, the calculation of offset in
-// get_br_ctx_from_count_mag() must be updated.
-#define BR_MAG_OFFSET 1
-// TODO(angiebird): optimize this function by using a table to map from
-// count/mag to ctx
-
-static INLINE int get_br_count_mag(int *mag, const tran_low_t *tcoeffs, int bwl,
- int height, int row, int col, int level) {
- mag[0] = 0;
- mag[1] = 0;
- int count = 0;
- for (int idx = 0; idx < BR_CONTEXT_POSITION_NUM; ++idx) {
- const int ref_row = row + br_ref_offset[idx][0];
- const int ref_col = col + br_ref_offset[idx][1];
- if (ref_row < 0 || ref_col < 0 || ref_row >= height ||
- ref_col >= (1 << bwl))
- continue;
- const int pos = (ref_row << bwl) + ref_col;
- tran_low_t abs_coeff = abs(tcoeffs[pos]);
- count += abs_coeff > level;
- if (br_ref_offset[idx][0] >= 0 && br_ref_offset[idx][1] >= 0) {
- if (abs_coeff > mag[0]) {
- mag[0] = abs_coeff;
- mag[1] = 1;
- } else if (abs_coeff == mag[0]) {
- ++mag[1];
- }
- }
- }
- return count;
-}
-
-static INLINE int get_br_ctx_from_count_mag(const int row, const int col,
- const int count, const int mag) {
- // DC: 0 - 1
- // Top row: 2 - 4
- // Left column: 5 - 7
- // others: 8 - 11
- static const int offset_pos[2][2] = { { 8, 5 }, { 2, 0 } };
- const int mag_clamp = AOMMIN(mag, 6);
- const int offset = mag_clamp >> 1;
- const int ctx =
- br_level_map[count] + offset * BR_TMP_OFFSET + offset_pos[!row][!col];
- return ctx;
-}
-
static INLINE int get_br_ctx_2d(const uint8_t *const levels,
const int c, // raster order
const int bwl) {
@@ -396,38 +191,6 @@ static AOM_FORCE_INLINE int get_br_ctx(const uint8_t *const levels,
return mag + 14;
}
-#define SIG_REF_OFFSET_NUM 5
-
-// Note: TX_PAD_2D is dependent to these offset tables.
-static const int sig_ref_offset[SIG_REF_OFFSET_NUM][2] = {
- { 0, 1 }, { 1, 0 }, { 1, 1 }, { 0, 2 }, { 2, 0 }
- // , { 1, 2 }, { 2, 1 },
-};
-
-static const int sig_ref_offset_vert[SIG_REF_OFFSET_NUM][2] = {
- { 1, 0 }, { 2, 0 }, { 0, 1 }, { 3, 0 }, { 4, 0 }
- // , { 1, 1 }, { 2, 1 },
-};
-
-static const int sig_ref_offset_horiz[SIG_REF_OFFSET_NUM][2] = {
- { 0, 1 }, { 0, 2 }, { 1, 0 }, { 0, 3 }, { 0, 4 }
- // , { 1, 1 }, { 1, 2 },
-};
-
-#define SIG_REF_DIFF_OFFSET_NUM 3
-
-static const int sig_ref_diff_offset[SIG_REF_DIFF_OFFSET_NUM][2] = {
- { 1, 1 }, { 0, 2 }, { 2, 0 }
-};
-
-static const int sig_ref_diff_offset_vert[SIG_REF_DIFF_OFFSET_NUM][2] = {
- { 2, 0 }, { 3, 0 }, { 4, 0 }
-};
-
-static const int sig_ref_diff_offset_horiz[SIG_REF_DIFF_OFFSET_NUM][2] = {
- { 0, 2 }, { 0, 3 }, { 0, 4 }
-};
-
static const uint8_t clip_max3[256] = {
0, 1, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
@@ -658,4 +421,4 @@ static INLINE void get_txb_ctx(const BLOCK_SIZE plane_bsize,
void av1_init_lv_map(AV1_COMMON *cm);
-#endif // AV1_COMMON_TXB_COMMON_H_
+#endif // AOM_AV1_COMMON_TXB_COMMON_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 15:58:30 +0000