ref: 232d90d8fd47cdc07625036bdd0e4c8f009b8c10
parent: 0b713f8c18f6695f882ad9a469ddba6842c3fa9e
author: Yaowu Xu <yaowu@google.com>
date: Wed May 15 13:21:15 EDT 2013
Generalized intra 4x4 encoding for all sizes Change-Id: I1b86744fa247233c8df031b3f4b87b212c8dd094
--- a/vp9/common/vp9_reconinter.h
+++ b/vp9/common/vp9_reconinter.h
@@ -15,7 +15,6 @@
#include "vp9/common/vp9_onyxc_int.h"
struct subpix_fn_table;
-
void vp9_build_inter_predictors_sby(MACROBLOCKD *xd,
int mb_row,
int mb_col,
--- a/vp9/common/vp9_reconintra.c
+++ b/vp9/common/vp9_reconintra.c
@@ -13,6 +13,7 @@
#include "./vpx_config.h"
#include "vp9_rtcd.h"
#include "vp9/common/vp9_reconintra.h"
+#include "vp9/common/vp9_onyxc_int.h"
#include "vpx_mem/vpx_mem.h"
static void d27_predictor(uint8_t *ypred_ptr, int y_stride,
@@ -378,29 +379,28 @@
void vp9_build_intra_predictors_sbuv_s(MACROBLOCKD *xd,
BLOCK_SIZE_TYPE bsize) {- int p;
+ const int bwl = b_width_log2(bsize), bw = 2 << bwl;
+ const int bhl = b_height_log2(bsize), bh = 2 << bhl;
- for (p = 1; p < MAX_MB_PLANE; p++) {- const struct macroblockd_plane* const pd = &xd->plane[p];
- const int bwl = b_width_log2(bsize) - pd->subsampling_x;
- const int bw = 4 << bwl;
- const int bhl = b_height_log2(bsize) - pd->subsampling_y;
- const int bh = 4 << bhl;
-
- vp9_build_intra_predictors(pd->dst.buf, pd->dst.stride,
- pd->dst.buf, pd->dst.stride,
- xd->mode_info_context->mbmi.uv_mode,
- bw, bh, xd->up_available,
- xd->left_available, 0 /*xd->right_available*/);
- }
+ vp9_build_intra_predictors(xd->plane[1].dst.buf, xd->plane[1].dst.stride,
+ xd->plane[1].dst.buf, xd->plane[1].dst.stride,
+ xd->mode_info_context->mbmi.uv_mode,
+ bw, bh, xd->up_available,
+ xd->left_available, 0 /*xd->right_available*/);
+ vp9_build_intra_predictors(xd->plane[2].dst.buf, xd->plane[1].dst.stride,
+ xd->plane[2].dst.buf, xd->plane[1].dst.stride,
+ xd->mode_info_context->mbmi.uv_mode,
+ bw, bh, xd->up_available,
+ xd->left_available, 0 /*xd->right_available*/);
}
-void vp9_intra4x4_predict(MACROBLOCKD *xd,
- int block_idx,
- BLOCK_SIZE_TYPE bsize,
- int mode,
- uint8_t *predictor, int pre_stride) {- const int bwl = b_width_log2(bsize);
+void vp9_predict_intra_block(MACROBLOCKD *xd,
+ int block_idx,
+ BLOCK_SIZE_TYPE bsize,
+ TX_SIZE tx_size,
+ int mode,
+ uint8_t *predictor, int pre_stride) {+ const int bwl = b_width_log2(bsize) - tx_size;
const int wmask = (1 << bwl) - 1;
const int have_top =
(block_idx >> bwl) || xd->up_available;
@@ -407,9 +407,23 @@
const int have_left =
(block_idx & wmask) || xd->left_available;
const int have_right = ((block_idx & wmask) != wmask);
+ const int txfm_block_size = 4 << tx_size;
+ assert(bwl >= 0);
vp9_build_intra_predictors(predictor, pre_stride,
predictor, pre_stride,
- mode, 4, 4, have_top, have_left,
+ mode,
+ txfm_block_size,
+ txfm_block_size,
+ have_top, have_left,
have_right);
+}
+
+void vp9_intra4x4_predict(MACROBLOCKD *xd,
+ int block_idx,
+ BLOCK_SIZE_TYPE bsize,
+ int mode,
+ uint8_t *predictor, int pre_stride) {+ vp9_predict_intra_block(xd, block_idx, bsize, TX_4X4,
+ mode, predictor, pre_stride);
}
--- a/vp9/common/vp9_reconintra.h
+++ b/vp9/common/vp9_reconintra.h
@@ -21,4 +21,10 @@
B_PREDICTION_MODE vp9_find_bpred_context(MACROBLOCKD *xd, int block,
uint8_t *ptr, int stride);
+void vp9_predict_intra_block(MACROBLOCKD *xd,
+ int block_idx,
+ BLOCK_SIZE_TYPE bsize,
+ TX_SIZE tx_size,
+ int mode,
+ uint8_t *predictor, int pre_stride);
#endif // VP9_COMMON_VP9_RECONINTRA_H_
--- a/vp9/encoder/vp9_encodeframe.c
+++ b/vp9/encoder/vp9_encodeframe.c
@@ -1707,7 +1707,7 @@
if (mbmi->mode == I4X4_PRED) {assert(bsize == BLOCK_SIZE_SB8X8 && mbmi->txfm_size == TX_4X4);
#endif
- vp9_encode_intra4x4mby(x, BLOCK_SIZE_SB8X8);
+ vp9_encode_intra4x4mby(cm, x, BLOCK_SIZE_SB8X8);
vp9_build_intra_predictors_sbuv_s(xd, BLOCK_SIZE_SB8X8);
vp9_encode_sbuv(cm, x, BLOCK_SIZE_SB8X8);
--- a/vp9/encoder/vp9_encodeintra.c
+++ b/vp9/encoder/vp9_encodeintra.c
@@ -80,15 +80,6 @@
}
}
-void vp9_encode_intra4x4mby(MACROBLOCK *mb, BLOCK_SIZE_TYPE bsize) {- int i;
- int bwl = b_width_log2(bsize), bhl = b_height_log2(bsize);
- int bc = 1 << (bwl + bhl);
-
- for (i = 0; i < bc; i++)
- encode_intra4x4block(mb, i, bsize);
-}
-
void vp9_encode_intra16x16mby(VP9_COMMON *const cm, MACROBLOCK *x) {MACROBLOCKD *xd = &x->e_mbd;
@@ -102,3 +93,5 @@
vp9_build_intra_predictors_sbuv_s(xd, BLOCK_SIZE_MB16X16);
vp9_encode_sbuv(cm, x, BLOCK_SIZE_MB16X16);
}
+
+
--- a/vp9/encoder/vp9_encodeintra.h
+++ b/vp9/encoder/vp9_encodeintra.h
@@ -16,5 +16,6 @@
int vp9_encode_intra(VP9_COMP *cpi, MACROBLOCK *x, int use_16x16_pred);
void vp9_encode_intra16x16mby(VP9_COMMON *const cm, MACROBLOCK *x);
void vp9_encode_intra16x16mbuv(VP9_COMMON *const cm, MACROBLOCK *x);
-void vp9_encode_intra4x4mby(MACROBLOCK *mb, BLOCK_SIZE_TYPE bs);
+void vp9_encode_intra4x4mby(VP9_COMMON *const cm, MACROBLOCK *mb,
+ BLOCK_SIZE_TYPE bs);
#endif // VP9_ENCODER_VP9_ENCODEINTRA_H_
--- a/vp9/encoder/vp9_encodemb.c
+++ b/vp9/encoder/vp9_encodemb.c
@@ -604,3 +604,104 @@
foreach_transformed_block(xd, bsize, encode_block, &arg);
}
+
+static void encode_block_intra(int plane, int block, BLOCK_SIZE_TYPE bsize,
+ int ss_txfrm_size, void *arg) {+ struct encode_b_args* const args = arg;
+ MACROBLOCK* const x = args->x;
+ MACROBLOCKD* const xd = &x->e_mbd;
+ const TX_SIZE tx_size = (TX_SIZE)(ss_txfrm_size / 2);
+ const int bw = 4 << (b_width_log2(bsize) - xd->plane[plane].subsampling_x);
+ const int raster_block = txfrm_block_to_raster_block(xd, bsize, plane,
+ block, ss_txfrm_size);
+ uint8_t* const src =
+ raster_block_offset_uint8(xd, bsize, plane, raster_block,
+ x->plane[plane].src.buf,
+ x->plane[plane].src.stride);
+ uint8_t* const dst =
+ raster_block_offset_uint8(xd, bsize, plane, raster_block,
+ xd->plane[plane].dst.buf,
+ xd->plane[plane].dst.stride);
+ int16_t* const src_diff =
+ raster_block_offset_int16(xd, bsize, plane,
+ raster_block, x->plane[plane].src_diff);
+
+ const int txfm_b_size = 4 << tx_size;
+ int ib = raster_block;
+
+ TX_TYPE tx_type;
+
+ if (tx_size <= TX_16X16)
+ tx_type = txfm_map(xd->mode_info_context->bmi[ib].as_mode.first);
+ else
+ tx_type = DCT_DCT;
+
+ vp9_predict_intra_block(&x->e_mbd, ib, bsize, tx_size,
+ xd->mode_info_context->bmi[ib].as_mode.first,
+ dst, xd->plane[plane].dst.stride);
+ vp9_subtract_block(txfm_b_size, txfm_b_size,
+ src_diff, bw,
+ src, x->plane[plane].src.stride,
+ dst, xd->plane[plane].dst.stride);
+
+ xform_quant(plane, block, bsize, ss_txfrm_size, arg);
+
+ /*
+ if (x->optimize)
+ vp9_optimize_b(plane, block, bsize, ss_txfrm_size, args->cm, x, args->ctx);
+ */
+
+ switch (ss_txfrm_size / 2) {+ case TX_32X32:
+ vp9_short_idct32x32_add(BLOCK_OFFSET(xd->plane[plane].dqcoeff,
+ block, 16), dst, xd->plane[plane].dst.stride);
+ break;
+ case TX_16X16:
+ tx_type = plane == 0 ? get_tx_type_16x16(xd, raster_block) : DCT_DCT;
+ if (tx_type == DCT_DCT) {+ vp9_short_idct16x16_add(BLOCK_OFFSET(xd->plane[plane].dqcoeff,
+ block, 16), dst, xd->plane[plane].dst.stride);
+ } else {+ vp9_short_iht16x16_add(BLOCK_OFFSET(xd->plane[plane].dqcoeff,
+ block, 16), dst, xd->plane[plane].dst.stride,
+ tx_type);
+ }
+ break;
+ case TX_8X8:
+ tx_type = plane == 0 ? get_tx_type_8x8(xd, raster_block) : DCT_DCT;
+ if (tx_type == DCT_DCT) {+ vp9_short_idct8x8_add(BLOCK_OFFSET(xd->plane[plane].dqcoeff,
+ block, 16), dst, xd->plane[plane].dst.stride);
+ } else {+ vp9_short_iht8x8_add(BLOCK_OFFSET(xd->plane[plane].dqcoeff,
+ block, 16), dst, xd->plane[plane].dst.stride,
+ tx_type);
+ }
+ break;
+ case TX_4X4:
+ tx_type = plane == 0 ? get_tx_type_4x4(xd, raster_block) : DCT_DCT;
+ if (tx_type == DCT_DCT) {+ // this is like vp9_short_idct4x4 but has a special case around eob<=1
+ // which is significant (not just an optimization) for the lossless
+ // case.
+ vp9_inverse_transform_b_4x4_add(xd, xd->plane[plane].eobs[block],
+ BLOCK_OFFSET(xd->plane[plane].dqcoeff, block, 16), dst,
+ xd->plane[plane].dst.stride);
+ } else {+ vp9_short_iht4x4_add(BLOCK_OFFSET(xd->plane[plane].dqcoeff, block, 16),
+ dst, xd->plane[plane].dst.stride, tx_type);
+ }
+ break;
+ }
+}
+
+void vp9_encode_intra4x4mby(VP9_COMMON *const cm, MACROBLOCK *x,
+ BLOCK_SIZE_TYPE bsize) {+ MACROBLOCKD* const xd = &x->e_mbd;
+ struct optimize_ctx ctx;
+ struct encode_b_args arg = {cm, x, &ctx};+
+ foreach_transformed_block_in_plane(xd, bsize, 0,
+ encode_block_intra, &arg);
+}
+