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Jani Heikkinen authored
Qt copyrights are now in The Qt Company, so we could update the source code headers accordingly. In the same go we should also fix the links to point to qt.io. Outdated header.LGPL removed (use header.LGPL21 instead) Old header.LGPL3 renamed to header.LGPL3-COMM to match actual licensing combination. New header.LGPL-COMM taken in the use file which were using old header.LGPL3 (src/plugins/platforms/android/extract.cpp) Added new header.LGPL3 containing Commercial + LGPLv3 + GPLv2 license combination Change-Id: I6f49b819a8a20cc4f88b794a8f6726d975e8ffbe Reviewed-by:Matti Paaso <matti.paaso@theqtcompany.com>
83a5694d
vp9_encodeintra.c 8.01 KiB
/* * Copyright (c) 2010 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */#include "./vpx_config.h"#include "vp9_rtcd.h"#include "vp9/encoder/vp9_quantize.h"#include "vp9/common/vp9_reconintra.h"#include "vp9/encoder/vp9_encodemb.h"#include "vp9/common/vp9_invtrans.h"#include "vp9/encoder/vp9_encodeintra.h"static void encode_intra4x4block(MACROBLOCK *x, int ib);int vp9_encode_intra(VP9_COMP *cpi, MACROBLOCK *x, int use_16x16_pred) { MB_MODE_INFO * mbmi = &x->e_mbd.mode_info_context->mbmi; (void) cpi; if (use_16x16_pred) { mbmi->mode = DC_PRED; mbmi->uv_mode = DC_PRED; mbmi->ref_frame = INTRA_FRAME; vp9_encode_intra16x16mby(&cpi->common, x); } else { int i; for (i = 0; i < 16; i++) { x->e_mbd.block[i].bmi.as_mode.first = B_DC_PRED; encode_intra4x4block(x, i); } } return vp9_get_mb_ss(x->src_diff);}static void encode_intra4x4block(MACROBLOCK *x, int ib) { BLOCKD *b = &x->e_mbd.block[ib]; BLOCK *be = &x->block[ib]; MACROBLOCKD * const xd = &x->e_mbd; TX_TYPE tx_type; assert(ib < 16);#if CONFIG_NEWBINTRAMODES b->bmi.as_mode.context = vp9_find_bpred_context(&x->e_mbd, b);#endif vp9_intra4x4_predict(&x->e_mbd, b, b->bmi.as_mode.first, b->predictor, 16); vp9_subtract_b(be, b, 16); tx_type = get_tx_type_4x4(&x->e_mbd, ib); if (tx_type != DCT_DCT) { vp9_short_fht4x4(be->src_diff, be->coeff, 16, tx_type); vp9_ht_quantize_b_4x4(x, ib, tx_type); vp9_short_iht4x4(BLOCK_OFFSET(xd->plane[0].dqcoeff, ib, 16), b->diff, 16, tx_type); } else { x->fwd_txm4x4(be->src_diff, be->coeff, 32); x->quantize_b_4x4(x, ib, 16); vp9_inverse_transform_b_4x4(&x->e_mbd, xd->plane[0].eobs[ib], BLOCK_OFFSET(xd->plane[0].dqcoeff, ib, 16), b->diff, 32); }7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
vp9_recon_b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride);
}
void vp9_encode_intra4x4mby(MACROBLOCK *mb) {
int i;
for (i = 0; i < 16; i++)
encode_intra4x4block(mb, i);
}
void vp9_encode_intra16x16mby(VP9_COMMON *const cm, MACROBLOCK *x) {
MACROBLOCKD *xd = &x->e_mbd;
BLOCK *b = &x->block[0];
TX_SIZE tx_size = xd->mode_info_context->mbmi.txfm_size;
vp9_build_intra_predictors_mby(xd);
vp9_subtract_mby(x->src_diff, *(b->base_src), xd->predictor, b->src_stride);
switch (tx_size) {
case TX_16X16:
vp9_transform_sby_16x16(x, BLOCK_SIZE_MB16X16);
vp9_quantize_sby_16x16(x, BLOCK_SIZE_MB16X16);
if (x->optimize)
vp9_optimize_sby_16x16(cm, x, BLOCK_SIZE_MB16X16);
vp9_inverse_transform_sby_16x16(xd, BLOCK_SIZE_MB16X16);
break;
case TX_8X8:
vp9_transform_sby_8x8(x, BLOCK_SIZE_MB16X16);
vp9_quantize_sby_8x8(x, BLOCK_SIZE_MB16X16);
if (x->optimize)
vp9_optimize_sby_8x8(cm, x, BLOCK_SIZE_MB16X16);
vp9_inverse_transform_sby_8x8(xd, BLOCK_SIZE_MB16X16);
break;
default:
vp9_transform_sby_4x4(x, BLOCK_SIZE_MB16X16);
vp9_quantize_sby_4x4(x, BLOCK_SIZE_MB16X16);
if (x->optimize)
vp9_optimize_sby_4x4(cm, x, BLOCK_SIZE_MB16X16);
vp9_inverse_transform_sby_4x4(xd, BLOCK_SIZE_MB16X16);
break;
}
vp9_recon_mby(xd);
}
void vp9_encode_intra16x16mbuv(VP9_COMMON *const cm, MACROBLOCK *x) {
MACROBLOCKD *xd = &x->e_mbd;
TX_SIZE tx_size = xd->mode_info_context->mbmi.txfm_size;
vp9_build_intra_predictors_mbuv(xd);
vp9_subtract_mbuv(x->src_diff, x->src.u_buffer, x->src.v_buffer,
xd->predictor, x->src.uv_stride);
switch (tx_size) {
case TX_4X4:
vp9_transform_sbuv_4x4(x, BLOCK_SIZE_MB16X16);
vp9_quantize_sbuv_4x4(x, BLOCK_SIZE_MB16X16);
if (x->optimize)
vp9_optimize_sbuv_4x4(cm, x, BLOCK_SIZE_MB16X16);
vp9_inverse_transform_sbuv_4x4(xd, BLOCK_SIZE_MB16X16);
break;
default: // 16x16 or 8x8
vp9_transform_sbuv_8x8(x, BLOCK_SIZE_MB16X16);
vp9_quantize_sbuv_8x8(x, BLOCK_SIZE_MB16X16);
if (x->optimize)
vp9_optimize_sbuv_8x8(cm, x, BLOCK_SIZE_MB16X16);
vp9_inverse_transform_sbuv_8x8(xd, BLOCK_SIZE_MB16X16);
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break;
}
vp9_recon_intra_mbuv(xd);
}
void vp9_encode_intra8x8(MACROBLOCK *x, int ib) {
MACROBLOCKD *xd = &x->e_mbd;
BLOCKD *b = &xd->block[ib];
BLOCK *be = &x->block[ib];
const int iblock[4] = {0, 1, 4, 5};
int i;
TX_TYPE tx_type;
vp9_intra8x8_predict(xd, b, b->bmi.as_mode.first, b->predictor, 16);
// generate residual blocks
vp9_subtract_4b_c(be, b, 16);
if (xd->mode_info_context->mbmi.txfm_size == TX_8X8) {
int idx = (ib & 0x02) ? (ib + 2) : ib;
int16_t * const dqcoeff = BLOCK_OFFSET(xd->plane[0].dqcoeff, idx, 16);
assert(idx < 16);
tx_type = get_tx_type_8x8(xd, ib);
if (tx_type != DCT_DCT) {
vp9_short_fht8x8(be->src_diff, (x->block + idx)->coeff, 16, tx_type);
x->quantize_b_8x8(x, idx, tx_type, 16);
vp9_short_iht8x8(dqcoeff, xd->block[ib].diff,
16, tx_type);
} else {
x->fwd_txm8x8(be->src_diff, (x->block + idx)->coeff, 32);
x->quantize_b_8x8(x, idx, DCT_DCT, 16);
vp9_short_idct8x8(dqcoeff, xd->block[ib].diff, 32);
}
} else {
for (i = 0; i < 4; i++) {
int idx = ib + iblock[i];
int16_t * const dqcoeff = BLOCK_OFFSET(xd->plane[0].dqcoeff, idx, 16);
assert(idx < 16);
b = &xd->block[ib + iblock[i]];
be = &x->block[ib + iblock[i]];
tx_type = get_tx_type_4x4(xd, ib + iblock[i]);
if (tx_type != DCT_DCT) {
vp9_short_fht4x4(be->src_diff, be->coeff, 16, tx_type);
vp9_ht_quantize_b_4x4(x, ib + iblock[i], tx_type);
vp9_short_iht4x4(dqcoeff, b->diff, 16, tx_type);
} else if (!(i & 1) &&
get_tx_type_4x4(xd, ib + iblock[i] + 1) == DCT_DCT) {
x->fwd_txm8x4(be->src_diff, be->coeff, 32);
x->quantize_b_4x4_pair(x, ib + iblock[i], ib + iblock[i] + 1, 16);
vp9_inverse_transform_b_4x4(xd, xd->plane[0].eobs[ib + iblock[i]],
dqcoeff, b->diff, 32);
vp9_inverse_transform_b_4x4(xd, xd->plane[0].eobs[ib + iblock[i] + 1],
dqcoeff + 16, (b + 1)->diff, 32);
i++;
} else {
x->fwd_txm4x4(be->src_diff, be->coeff, 32);
x->quantize_b_4x4(x, ib + iblock[i], 16);
vp9_inverse_transform_b_4x4(xd, xd->plane[0].eobs[ib + iblock[i]],
dqcoeff, b->diff, 32);
}
}
}
// reconstruct submacroblock
for (i = 0; i < 4; i++) {
b = &xd->block[ib + iblock[i]];
vp9_recon_b_c(b->predictor, b->diff, *(b->base_dst) + b->dst,
b->dst_stride);
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}
}
void vp9_encode_intra8x8mby(MACROBLOCK *x) {
int i;
for (i = 0; i < 4; i++)
vp9_encode_intra8x8(x, vp9_i8x8_block[i]);
}
static void encode_intra_uv4x4(MACROBLOCK *x, int ib, int mode) {
MACROBLOCKD * const xd = &x->e_mbd;
BLOCKD *b = &x->e_mbd.block[ib];
BLOCK *be = &x->block[ib];
int16_t * const dqcoeff = MB_SUBBLOCK_FIELD(xd, dqcoeff, ib);
const int plane = ib < 20 ? 1 : 2;
const int block = ib < 20 ? ib - 16 : ib - 20;
assert(ib >= 16 && ib < 24);
vp9_intra_uv4x4_predict(&x->e_mbd, b, mode, b->predictor, 8);
vp9_subtract_b(be, b, 8);
x->fwd_txm4x4(be->src_diff, be->coeff, 16);
x->quantize_b_4x4(x, ib, 16);
vp9_inverse_transform_b_4x4(&x->e_mbd, xd->plane[plane].eobs[block],
dqcoeff, b->diff, 16);
vp9_recon_uv_b_c(b->predictor, b->diff, *(b->base_dst) + b->dst,
b->dst_stride);
}
void vp9_encode_intra8x8mbuv(MACROBLOCK *x) {
int i;
for (i = 0; i < 4; i++) {
BLOCKD *b = &x->e_mbd.block[vp9_i8x8_block[i]];
int mode = b->bmi.as_mode.first;
encode_intra_uv4x4(x, i + 16, mode); // u
encode_intra_uv4x4(x, i + 20, mode); // v
}
}