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-rw-r--r--third_party/aom/av1/common/av1_txfm.h232
1 files changed, 0 insertions, 232 deletions
diff --git a/third_party/aom/av1/common/av1_txfm.h b/third_party/aom/av1/common/av1_txfm.h
deleted file mode 100644
index 59d64ca4a..000000000
--- a/third_party/aom/av1/common/av1_txfm.h
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * Copyright (c) 2016, Alliance for Open Media. All rights reserved
- *
- * This source code is subject to the terms of the BSD 2 Clause License and
- * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
- * was not distributed with this source code in the LICENSE file, you can
- * obtain it at www.aomedia.org/license/software. If the Alliance for Open
- * Media Patent License 1.0 was not distributed with this source code in the
- * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
- */
-
-#ifndef AOM_AV1_COMMON_AV1_TXFM_H_
-#define AOM_AV1_COMMON_AV1_TXFM_H_
-
-#include <assert.h>
-#include <math.h>
-#include <stdio.h>
-
-#include "config/aom_config.h"
-
-#include "av1/common/enums.h"
-#include "av1/common/blockd.h"
-#include "aom/aom_integer.h"
-#include "aom_dsp/aom_dsp_common.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#if !defined(DO_RANGE_CHECK_CLAMP)
-#define DO_RANGE_CHECK_CLAMP 0
-#endif
-
-extern const int32_t av1_cospi_arr_data[7][64];
-extern const int32_t av1_sinpi_arr_data[7][5];
-
-#define MAX_TXFM_STAGE_NUM 12
-
-static const int cos_bit_min = 10;
-static const int cos_bit_max = 16;
-
-#define NewSqrt2Bits ((int32_t)12)
-// 2^12 * sqrt(2)
-static const int32_t NewSqrt2 = 5793;
-// 2^12 / sqrt(2)
-static const int32_t NewInvSqrt2 = 2896;
-
-static INLINE const int32_t *cospi_arr(int n) {
- return av1_cospi_arr_data[n - cos_bit_min];
-}
-
-static INLINE const int32_t *sinpi_arr(int n) {
- return av1_sinpi_arr_data[n - cos_bit_min];
-}
-
-static INLINE int32_t range_check_value(int32_t value, int8_t bit) {
-#if CONFIG_COEFFICIENT_RANGE_CHECKING
- const int64_t max_value = (1LL << (bit - 1)) - 1;
- const int64_t min_value = -(1LL << (bit - 1));
- if (value < min_value || value > max_value) {
- fprintf(stderr, "coeff out of bit range, value: %d bit %d\n", value, bit);
- assert(0);
- }
-#endif // CONFIG_COEFFICIENT_RANGE_CHECKING
-#if DO_RANGE_CHECK_CLAMP
- bit = AOMMIN(bit, 31);
- return clamp(value, -(1 << (bit - 1)), (1 << (bit - 1)) - 1);
-#endif // DO_RANGE_CHECK_CLAMP
- (void)bit;
- return value;
-}
-
-static INLINE int32_t round_shift(int64_t value, int bit) {
- assert(bit >= 1);
- return (int32_t)((value + (1ll << (bit - 1))) >> bit);
-}
-
-static INLINE int32_t half_btf(int32_t w0, int32_t in0, int32_t w1, int32_t in1,
- int bit) {
- int64_t result_64 = (int64_t)(w0 * in0) + (int64_t)(w1 * in1);
- int64_t intermediate = result_64 + (1LL << (bit - 1));
- // NOTE(david.barker): The value 'result_64' may not necessarily fit
- // into 32 bits. However, the result of this function is nominally
- // ROUND_POWER_OF_TWO_64(result_64, bit)
- // and that is required to fit into stage_range[stage] many bits
- // (checked by range_check_buf()).
- //
- // Here we've unpacked that rounding operation, and it can be shown
- // that the value of 'intermediate' here *does* fit into 32 bits
- // for any conformant bitstream.
- // The upshot is that, if you do all this calculation using
- // wrapping 32-bit arithmetic instead of (non-wrapping) 64-bit arithmetic,
- // then you'll still get the correct result.
- // To provide a check on this logic, we assert that 'intermediate'
- // would fit into an int32 if range checking is enabled.
-#if CONFIG_COEFFICIENT_RANGE_CHECKING
- assert(intermediate >= INT32_MIN && intermediate <= INT32_MAX);
-#endif
- return (int32_t)(intermediate >> bit);
-}
-
-static INLINE uint16_t highbd_clip_pixel_add(uint16_t dest, tran_high_t trans,
- int bd) {
- return clip_pixel_highbd(dest + (int)trans, bd);
-}
-
-typedef void (*TxfmFunc)(const int32_t *input, int32_t *output, int8_t cos_bit,
- const int8_t *stage_range);
-
-typedef void (*FwdTxfm2dFunc)(const int16_t *input, int32_t *output, int stride,
- TX_TYPE tx_type, int bd);
-
-typedef enum TXFM_TYPE {
- TXFM_TYPE_DCT4,
- TXFM_TYPE_DCT8,
- TXFM_TYPE_DCT16,
- TXFM_TYPE_DCT32,
- TXFM_TYPE_DCT64,
- TXFM_TYPE_ADST4,
- TXFM_TYPE_ADST8,
- TXFM_TYPE_ADST16,
- TXFM_TYPE_IDENTITY4,
- TXFM_TYPE_IDENTITY8,
- TXFM_TYPE_IDENTITY16,
- TXFM_TYPE_IDENTITY32,
- TXFM_TYPES,
- TXFM_TYPE_INVALID,
-} TXFM_TYPE;
-
-typedef struct TXFM_2D_FLIP_CFG {
- TX_SIZE tx_size;
- int ud_flip; // flip upside down
- int lr_flip; // flip left to right
- const int8_t *shift;
- int8_t cos_bit_col;
- int8_t cos_bit_row;
- int8_t stage_range_col[MAX_TXFM_STAGE_NUM];
- int8_t stage_range_row[MAX_TXFM_STAGE_NUM];
- TXFM_TYPE txfm_type_col;
- TXFM_TYPE txfm_type_row;
- int stage_num_col;
- int stage_num_row;
-} TXFM_2D_FLIP_CFG;
-
-static INLINE void get_flip_cfg(TX_TYPE tx_type, int *ud_flip, int *lr_flip) {
- switch (tx_type) {
- case DCT_DCT:
- case ADST_DCT:
- case DCT_ADST:
- case ADST_ADST:
- *ud_flip = 0;
- *lr_flip = 0;
- break;
- case IDTX:
- case V_DCT:
- case H_DCT:
- case V_ADST:
- case H_ADST:
- *ud_flip = 0;
- *lr_flip = 0;
- break;
- case FLIPADST_DCT:
- case FLIPADST_ADST:
- case V_FLIPADST:
- *ud_flip = 1;
- *lr_flip = 0;
- break;
- case DCT_FLIPADST:
- case ADST_FLIPADST:
- case H_FLIPADST:
- *ud_flip = 0;
- *lr_flip = 1;
- break;
- case FLIPADST_FLIPADST:
- *ud_flip = 1;
- *lr_flip = 1;
- break;
- default:
- *ud_flip = 0;
- *lr_flip = 0;
- assert(0);
- }
-}
-
-static INLINE void set_flip_cfg(TX_TYPE tx_type, TXFM_2D_FLIP_CFG *cfg) {
- get_flip_cfg(tx_type, &cfg->ud_flip, &cfg->lr_flip);
-}
-
-// Utility function that returns the log of the ratio of the col and row
-// sizes.
-static INLINE int get_rect_tx_log_ratio(int col, int row) {
- if (col == row) return 0;
- if (col > row) {
- if (col == row * 2) return 1;
- if (col == row * 4) return 2;
- assert(0 && "Unsupported transform size");
- } else {
- if (row == col * 2) return -1;
- if (row == col * 4) return -2;
- assert(0 && "Unsupported transform size");
- }
- return 0; // Invalid
-}
-
-void av1_gen_fwd_stage_range(int8_t *stage_range_col, int8_t *stage_range_row,
- const TXFM_2D_FLIP_CFG *cfg, int bd);
-
-void av1_gen_inv_stage_range(int8_t *stage_range_col, int8_t *stage_range_row,
- const TXFM_2D_FLIP_CFG *cfg, TX_SIZE tx_size,
- int bd);
-
-void av1_get_fwd_txfm_cfg(TX_TYPE tx_type, TX_SIZE tx_size,
- TXFM_2D_FLIP_CFG *cfg);
-void av1_get_inv_txfm_cfg(TX_TYPE tx_type, TX_SIZE tx_size,
- TXFM_2D_FLIP_CFG *cfg);
-extern const TXFM_TYPE av1_txfm_type_ls[5][TX_TYPES_1D];
-extern const int8_t av1_txfm_stage_num_list[TXFM_TYPES];
-static INLINE int get_txw_idx(TX_SIZE tx_size) {
- return tx_size_wide_log2[tx_size] - tx_size_wide_log2[0];
-}
-static INLINE int get_txh_idx(TX_SIZE tx_size) {
- return tx_size_high_log2[tx_size] - tx_size_high_log2[0];
-}
-
-void av1_range_check_buf(int32_t stage, const int32_t *input,
- const int32_t *buf, int32_t size, int8_t bit);
-#define MAX_TXWH_IDX 5
-#ifdef __cplusplus
-}
-#endif // __cplusplus
-
-#endif // AOM_AV1_COMMON_AV1_TXFM_H_
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-07 03:26:15 +0000