6a47cff882
For higher level fwd and inv transform functions. Change-Id: I91518250a0be7d94aada7519f6c9e7ed024574fb
578 lines
18 KiB
C
578 lines
18 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#include "./av1_rtcd.h"
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#include "./aom_config.h"
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#include "./aom_dsp_rtcd.h"
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#include "av1/common/idct.h"
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#include "av1/encoder/hybrid_fwd_txfm.h"
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static INLINE void fdct32x32(int rd_transform, const int16_t *src,
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tran_low_t *dst, int src_stride) {
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if (rd_transform)
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aom_fdct32x32_rd(src, dst, src_stride);
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else
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av1_fht32x32(src, dst, src_stride, DCT_DCT);
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}
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#if CONFIG_TX64X64
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static INLINE void fdct64x64(const int16_t *src, tran_low_t *dst,
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int src_stride) {
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av1_fht64x64(src, dst, src_stride, DCT_DCT);
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}
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static INLINE void fdct64x64_1(const int16_t *src, tran_low_t *dst,
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int src_stride) {
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int i, j;
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int32_t sum = 0;
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memset(dst, 0, sizeof(*dst) * 4096);
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for (i = 0; i < 64; ++i)
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for (j = 0; j < 64; ++j) sum += src[i * src_stride + j];
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// Note: this scaling makes the transform 2 times unitary
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dst[0] = ROUND_POWER_OF_TWO_SIGNED(sum, 5);
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}
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#endif // CONFIG_TX64X64
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static void fwd_txfm_4x4(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type, int lossless) {
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if (lossless) {
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assert(tx_type == DCT_DCT);
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av1_fwht4x4(src_diff, coeff, diff_stride);
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return;
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}
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switch (tx_type) {
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case DCT_DCT:
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case ADST_DCT:
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case DCT_ADST:
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case ADST_ADST: av1_fht4x4(src_diff, coeff, diff_stride, tx_type); break;
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#if CONFIG_EXT_TX
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case FLIPADST_DCT:
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case DCT_FLIPADST:
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case FLIPADST_FLIPADST:
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case ADST_FLIPADST:
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case FLIPADST_ADST:
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case V_DCT:
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case H_DCT:
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case V_ADST:
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case H_ADST:
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case V_FLIPADST:
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case H_FLIPADST: av1_fht4x4(src_diff, coeff, diff_stride, tx_type); break;
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case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 4, tx_type); break;
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#endif // CONFIG_EXT_TX
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default: assert(0);
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}
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}
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static void fwd_txfm_4x8(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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(void)fwd_txfm_opt;
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av1_fht4x8(src_diff, coeff, diff_stride, tx_type);
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}
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static void fwd_txfm_8x4(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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(void)fwd_txfm_opt;
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av1_fht8x4(src_diff, coeff, diff_stride, tx_type);
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}
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static void fwd_txfm_8x16(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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(void)fwd_txfm_opt;
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av1_fht8x16(src_diff, coeff, diff_stride, tx_type);
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}
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static void fwd_txfm_16x8(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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(void)fwd_txfm_opt;
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av1_fht16x8(src_diff, coeff, diff_stride, tx_type);
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}
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static void fwd_txfm_16x32(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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(void)fwd_txfm_opt;
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av1_fht16x32(src_diff, coeff, diff_stride, tx_type);
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}
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static void fwd_txfm_32x16(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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(void)fwd_txfm_opt;
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av1_fht32x16(src_diff, coeff, diff_stride, tx_type);
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}
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static void fwd_txfm_8x8(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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switch (tx_type) {
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case DCT_DCT:
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case ADST_DCT:
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case DCT_ADST:
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case ADST_ADST:
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if (fwd_txfm_opt == FWD_TXFM_OPT_NORMAL)
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av1_fht8x8(src_diff, coeff, diff_stride, tx_type);
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else // FWD_TXFM_OPT_DC
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aom_fdct8x8_1(src_diff, coeff, diff_stride);
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break;
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#if CONFIG_EXT_TX
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case FLIPADST_DCT:
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case DCT_FLIPADST:
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case FLIPADST_FLIPADST:
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case ADST_FLIPADST:
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case FLIPADST_ADST:
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case V_DCT:
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case H_DCT:
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case V_ADST:
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case H_ADST:
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case V_FLIPADST:
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case H_FLIPADST: av1_fht8x8(src_diff, coeff, diff_stride, tx_type); break;
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case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 8, tx_type); break;
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#endif // CONFIG_EXT_TX
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default: assert(0);
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}
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}
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static void fwd_txfm_16x16(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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switch (tx_type) {
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case DCT_DCT:
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case ADST_DCT:
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case DCT_ADST:
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case ADST_ADST:
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if (fwd_txfm_opt == FWD_TXFM_OPT_NORMAL)
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av1_fht16x16(src_diff, coeff, diff_stride, tx_type);
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else // FWD_TXFM_OPT_DC
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aom_fdct16x16_1(src_diff, coeff, diff_stride);
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break;
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#if CONFIG_EXT_TX
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case FLIPADST_DCT:
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case DCT_FLIPADST:
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case FLIPADST_FLIPADST:
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case ADST_FLIPADST:
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case FLIPADST_ADST:
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case V_DCT:
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case H_DCT:
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case V_ADST:
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case H_ADST:
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case V_FLIPADST:
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case H_FLIPADST: av1_fht16x16(src_diff, coeff, diff_stride, tx_type); break;
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case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 16, tx_type); break;
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#endif // CONFIG_EXT_TX
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default: assert(0);
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}
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}
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static void fwd_txfm_32x32(int rd_transform, const int16_t *src_diff,
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tran_low_t *coeff, int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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switch (tx_type) {
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case DCT_DCT:
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if (fwd_txfm_opt == FWD_TXFM_OPT_NORMAL)
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fdct32x32(rd_transform, src_diff, coeff, diff_stride);
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else // FWD_TXFM_OPT_DC
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aom_fdct32x32_1(src_diff, coeff, diff_stride);
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break;
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#if CONFIG_EXT_TX
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case ADST_DCT:
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case DCT_ADST:
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case ADST_ADST:
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case FLIPADST_DCT:
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case DCT_FLIPADST:
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case FLIPADST_FLIPADST:
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case ADST_FLIPADST:
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case FLIPADST_ADST:
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av1_fht32x32(src_diff, coeff, diff_stride, tx_type);
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break;
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case V_DCT:
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case H_DCT:
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case V_ADST:
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case H_ADST:
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case V_FLIPADST:
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case H_FLIPADST: av1_fht32x32(src_diff, coeff, diff_stride, tx_type); break;
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case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 32, tx_type); break;
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#endif // CONFIG_EXT_TX
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default: assert(0); break;
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}
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}
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#if CONFIG_TX64X64
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static void fwd_txfm_64x64(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt) {
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switch (tx_type) {
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case DCT_DCT:
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if (fwd_txfm_opt == FWD_TXFM_OPT_NORMAL)
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fdct64x64(src_diff, coeff, diff_stride);
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else // FWD_TXFM_OPT_DC
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fdct64x64_1(src_diff, coeff, diff_stride);
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break;
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#if CONFIG_EXT_TX
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case ADST_DCT:
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case DCT_ADST:
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case ADST_ADST:
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case FLIPADST_DCT:
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case DCT_FLIPADST:
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case FLIPADST_FLIPADST:
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case ADST_FLIPADST:
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case FLIPADST_ADST:
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av1_fht64x64(src_diff, coeff, diff_stride, tx_type);
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break;
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case V_DCT:
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case H_DCT:
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case V_ADST:
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case H_ADST:
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case V_FLIPADST:
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case H_FLIPADST: av1_fht32x32(src_diff, coeff, diff_stride, tx_type); break;
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case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 64, tx_type); break;
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#endif // CONFIG_EXT_TX
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default: assert(0); break;
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}
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}
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#endif // CONFIG_TX64X64
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#if CONFIG_AOM_HIGHBITDEPTH
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static void highbd_fwd_txfm_4x4(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type, int lossless,
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const int bd) {
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if (lossless) {
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assert(tx_type == DCT_DCT);
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av1_highbd_fwht4x4(src_diff, coeff, diff_stride);
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return;
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}
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switch (tx_type) {
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case DCT_DCT:
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case ADST_DCT:
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case DCT_ADST:
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case ADST_ADST:
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av1_fwd_txfm2d_4x4(src_diff, coeff, diff_stride, tx_type, bd);
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break;
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#if CONFIG_EXT_TX
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case FLIPADST_DCT:
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case DCT_FLIPADST:
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case FLIPADST_FLIPADST:
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case ADST_FLIPADST:
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case FLIPADST_ADST:
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av1_fwd_txfm2d_4x4(src_diff, coeff, diff_stride, tx_type, bd);
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break;
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case V_DCT:
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case H_DCT:
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case V_ADST:
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case H_ADST:
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case V_FLIPADST:
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case H_FLIPADST:
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av1_highbd_fht4x4_c(src_diff, coeff, diff_stride, tx_type);
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break;
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case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 4, tx_type); break;
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#endif // CONFIG_EXT_TX
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default: assert(0);
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}
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}
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static void highbd_fwd_txfm_4x8(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt, const int bd) {
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(void)fwd_txfm_opt;
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(void)bd;
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av1_highbd_fht4x8(src_diff, coeff, diff_stride, tx_type);
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}
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static void highbd_fwd_txfm_8x4(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt, const int bd) {
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(void)fwd_txfm_opt;
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(void)bd;
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av1_highbd_fht8x4(src_diff, coeff, diff_stride, tx_type);
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}
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static void highbd_fwd_txfm_8x16(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt, const int bd) {
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(void)fwd_txfm_opt;
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(void)bd;
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av1_highbd_fht8x16(src_diff, coeff, diff_stride, tx_type);
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}
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static void highbd_fwd_txfm_16x8(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt, const int bd) {
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(void)fwd_txfm_opt;
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(void)bd;
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av1_highbd_fht16x8(src_diff, coeff, diff_stride, tx_type);
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}
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static void highbd_fwd_txfm_16x32(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt, const int bd) {
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(void)fwd_txfm_opt;
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(void)bd;
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av1_highbd_fht16x32(src_diff, coeff, diff_stride, tx_type);
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}
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static void highbd_fwd_txfm_32x16(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt, const int bd) {
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(void)fwd_txfm_opt;
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(void)bd;
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av1_highbd_fht32x16(src_diff, coeff, diff_stride, tx_type);
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}
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static void highbd_fwd_txfm_8x8(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt, const int bd) {
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(void)fwd_txfm_opt;
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switch (tx_type) {
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case DCT_DCT:
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case ADST_DCT:
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case DCT_ADST:
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case ADST_ADST:
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av1_fwd_txfm2d_8x8(src_diff, coeff, diff_stride, tx_type, bd);
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break;
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#if CONFIG_EXT_TX
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case FLIPADST_DCT:
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case DCT_FLIPADST:
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case FLIPADST_FLIPADST:
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case ADST_FLIPADST:
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case FLIPADST_ADST:
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av1_fwd_txfm2d_8x8(src_diff, coeff, diff_stride, tx_type, bd);
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break;
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case V_DCT:
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case H_DCT:
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case V_ADST:
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case H_ADST:
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case V_FLIPADST:
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case H_FLIPADST:
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// Use C version since DST exists only in C
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av1_highbd_fht8x8_c(src_diff, coeff, diff_stride, tx_type);
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break;
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case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 8, tx_type); break;
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#endif // CONFIG_EXT_TX
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default: assert(0);
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}
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}
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static void highbd_fwd_txfm_16x16(const int16_t *src_diff, tran_low_t *coeff,
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int diff_stride, TX_TYPE tx_type,
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FWD_TXFM_OPT fwd_txfm_opt, const int bd) {
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(void)fwd_txfm_opt;
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switch (tx_type) {
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case DCT_DCT:
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case ADST_DCT:
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case DCT_ADST:
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case ADST_ADST:
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av1_fwd_txfm2d_16x16(src_diff, coeff, diff_stride, tx_type, bd);
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break;
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#if CONFIG_EXT_TX
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case FLIPADST_DCT:
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case DCT_FLIPADST:
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case FLIPADST_FLIPADST:
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case ADST_FLIPADST:
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case FLIPADST_ADST:
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av1_fwd_txfm2d_16x16(src_diff, coeff, diff_stride, tx_type, bd);
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break;
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case V_DCT:
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case H_DCT:
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case V_ADST:
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case H_ADST:
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case V_FLIPADST:
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case H_FLIPADST:
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// Use C version since DST exists only in C
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av1_highbd_fht16x16_c(src_diff, coeff, diff_stride, tx_type);
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break;
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case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 16, tx_type); break;
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#endif // CONFIG_EXT_TX
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default: assert(0);
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}
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}
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static void highbd_fwd_txfm_32x32(int rd_transform, const int16_t *src_diff,
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tran_low_t *coeff, int diff_stride,
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TX_TYPE tx_type, FWD_TXFM_OPT fwd_txfm_opt,
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const int bd) {
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(void)rd_transform;
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(void)fwd_txfm_opt;
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switch (tx_type) {
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case DCT_DCT:
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av1_fwd_txfm2d_32x32(src_diff, coeff, diff_stride, tx_type, bd);
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break;
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#if CONFIG_EXT_TX
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case ADST_DCT:
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case DCT_ADST:
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case ADST_ADST:
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case FLIPADST_DCT:
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case DCT_FLIPADST:
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case FLIPADST_FLIPADST:
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case ADST_FLIPADST:
|
|
case FLIPADST_ADST:
|
|
case V_DCT:
|
|
case H_DCT:
|
|
case V_ADST:
|
|
case H_ADST:
|
|
case V_FLIPADST:
|
|
case H_FLIPADST:
|
|
av1_highbd_fht32x32_c(src_diff, coeff, diff_stride, tx_type);
|
|
break;
|
|
case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 32, tx_type); break;
|
|
#endif // CONFIG_EXT_TX
|
|
default: assert(0); break;
|
|
}
|
|
}
|
|
|
|
#if CONFIG_TX64X64
|
|
static void highbd_fwd_txfm_64x64(const int16_t *src_diff, tran_low_t *coeff,
|
|
int diff_stride, TX_TYPE tx_type,
|
|
FWD_TXFM_OPT fwd_txfm_opt, const int bd) {
|
|
(void)fwd_txfm_opt;
|
|
(void)bd;
|
|
switch (tx_type) {
|
|
case DCT_DCT:
|
|
av1_highbd_fht64x64_c(src_diff, coeff, diff_stride, tx_type);
|
|
break;
|
|
#if CONFIG_EXT_TX
|
|
case ADST_DCT:
|
|
case DCT_ADST:
|
|
case ADST_ADST:
|
|
case FLIPADST_DCT:
|
|
case DCT_FLIPADST:
|
|
case FLIPADST_FLIPADST:
|
|
case ADST_FLIPADST:
|
|
case FLIPADST_ADST:
|
|
case V_DCT:
|
|
case H_DCT:
|
|
case V_ADST:
|
|
case H_ADST:
|
|
case V_FLIPADST:
|
|
case H_FLIPADST:
|
|
av1_highbd_fht64x64_c(src_diff, coeff, diff_stride, tx_type);
|
|
break;
|
|
case IDTX: av1_fwd_idtx_c(src_diff, coeff, diff_stride, 64, tx_type); break;
|
|
#endif // CONFIG_EXT_TX
|
|
default: assert(0); break;
|
|
}
|
|
}
|
|
#endif // CONFIG_TX64X64
|
|
#endif // CONFIG_AOM_HIGHBITDEPTH
|
|
|
|
void fwd_txfm(const int16_t *src_diff, tran_low_t *coeff, int diff_stride,
|
|
FWD_TXFM_PARAM *fwd_txfm_param) {
|
|
const int fwd_txfm_opt = fwd_txfm_param->fwd_txfm_opt;
|
|
const TX_TYPE tx_type = fwd_txfm_param->tx_type;
|
|
const TX_SIZE tx_size = fwd_txfm_param->tx_size;
|
|
const int rd_transform = fwd_txfm_param->rd_transform;
|
|
const int lossless = fwd_txfm_param->lossless;
|
|
switch (tx_size) {
|
|
#if CONFIG_TX64X64
|
|
case TX_64X64:
|
|
fwd_txfm_64x64(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt);
|
|
break;
|
|
#endif // CONFIG_TX64X64
|
|
case TX_32X32:
|
|
fwd_txfm_32x32(rd_transform, src_diff, coeff, diff_stride, tx_type,
|
|
fwd_txfm_opt);
|
|
break;
|
|
case TX_16X16:
|
|
fwd_txfm_16x16(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt);
|
|
break;
|
|
case TX_8X8:
|
|
fwd_txfm_8x8(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt);
|
|
break;
|
|
case TX_4X8:
|
|
fwd_txfm_4x8(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt);
|
|
break;
|
|
case TX_8X4:
|
|
fwd_txfm_8x4(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt);
|
|
break;
|
|
case TX_8X16:
|
|
fwd_txfm_8x16(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt);
|
|
break;
|
|
case TX_16X8:
|
|
fwd_txfm_16x8(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt);
|
|
break;
|
|
case TX_16X32:
|
|
fwd_txfm_16x32(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt);
|
|
break;
|
|
case TX_32X16:
|
|
fwd_txfm_32x16(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt);
|
|
break;
|
|
case TX_4X4:
|
|
fwd_txfm_4x4(src_diff, coeff, diff_stride, tx_type, lossless);
|
|
break;
|
|
default: assert(0); break;
|
|
}
|
|
}
|
|
|
|
#if CONFIG_AOM_HIGHBITDEPTH
|
|
void highbd_fwd_txfm(const int16_t *src_diff, tran_low_t *coeff,
|
|
int diff_stride, FWD_TXFM_PARAM *fwd_txfm_param) {
|
|
const int fwd_txfm_opt = fwd_txfm_param->fwd_txfm_opt;
|
|
const TX_TYPE tx_type = fwd_txfm_param->tx_type;
|
|
const TX_SIZE tx_size = fwd_txfm_param->tx_size;
|
|
const int rd_transform = fwd_txfm_param->rd_transform;
|
|
const int lossless = fwd_txfm_param->lossless;
|
|
const int bd = fwd_txfm_param->bd;
|
|
switch (tx_size) {
|
|
#if CONFIG_TX64X64
|
|
case TX_64X64:
|
|
highbd_fwd_txfm_64x64(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt,
|
|
bd);
|
|
break;
|
|
#endif // CONFIG_TX64X64
|
|
case TX_32X32:
|
|
highbd_fwd_txfm_32x32(rd_transform, src_diff, coeff, diff_stride, tx_type,
|
|
fwd_txfm_opt, bd);
|
|
break;
|
|
case TX_16X16:
|
|
highbd_fwd_txfm_16x16(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt,
|
|
bd);
|
|
break;
|
|
case TX_8X8:
|
|
highbd_fwd_txfm_8x8(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt,
|
|
bd);
|
|
break;
|
|
case TX_4X8:
|
|
highbd_fwd_txfm_4x8(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt,
|
|
bd);
|
|
break;
|
|
case TX_8X4:
|
|
highbd_fwd_txfm_8x4(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt,
|
|
bd);
|
|
break;
|
|
case TX_8X16:
|
|
highbd_fwd_txfm_8x16(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt,
|
|
bd);
|
|
break;
|
|
case TX_16X8:
|
|
highbd_fwd_txfm_16x8(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt,
|
|
bd);
|
|
break;
|
|
case TX_16X32:
|
|
highbd_fwd_txfm_16x32(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt,
|
|
bd);
|
|
break;
|
|
case TX_32X16:
|
|
highbd_fwd_txfm_32x16(src_diff, coeff, diff_stride, tx_type, fwd_txfm_opt,
|
|
bd);
|
|
break;
|
|
case TX_4X4:
|
|
highbd_fwd_txfm_4x4(src_diff, coeff, diff_stride, tx_type, lossless, bd);
|
|
break;
|
|
default: assert(0); break;
|
|
}
|
|
}
|
|
#endif // CONFIG_AOM_HIGHBITDEPTH
|