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Pengchong Jin authoredac638125
/* * 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 <limits.h>#include <math.h>#include <stdio.h>#include "./vp9_rtcd.h"#include "./vpx_config.h"#include "vpx_ports/vpx_timer.h"#include "vp9/common/vp9_common.h"#include "vp9/common/vp9_entropy.h"#include "vp9/common/vp9_entropymode.h"#include "vp9/common/vp9_idct.h"#include "vp9/common/vp9_mvref_common.h"#include "vp9/common/vp9_pred_common.h"#include "vp9/common/vp9_quant_common.h"#include "vp9/common/vp9_reconintra.h"#include "vp9/common/vp9_reconinter.h"#include "vp9/common/vp9_seg_common.h"#include "vp9/common/vp9_systemdependent.h"#include "vp9/common/vp9_tile_common.h"#include "vp9/encoder/vp9_aq_complexity.h"#include "vp9/encoder/vp9_aq_cyclicrefresh.h"#include "vp9/encoder/vp9_aq_variance.h"#include "vp9/encoder/vp9_encodeframe.h"#include "vp9/encoder/vp9_encodemb.h"#include "vp9/encoder/vp9_encodemv.h"#include "vp9/encoder/vp9_extend.h"#include "vp9/encoder/vp9_pickmode.h"#include "vp9/encoder/vp9_rd.h"#include "vp9/encoder/vp9_rdopt.h"#include "vp9/encoder/vp9_segmentation.h"#include "vp9/encoder/vp9_tokenize.h"#define GF_ZEROMV_ZBIN_BOOST 0#define LF_ZEROMV_ZBIN_BOOST 0#define MV_ZBIN_BOOST 0#define SPLIT_MV_ZBIN_BOOST 0#define INTRA_ZBIN_BOOST 0static void encode_superblock(VP9_COMP *cpi, TOKENEXTRA **t, int output_enabled, int mi_row, int mi_col, BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx);// Motion vector component magnitude threshold for defining fast motion.#define FAST_MOTION_MV_THRESH 24// This is used as a reference when computing the source variance for the// purposes of activity masking.// Eventually this should be replaced by custom no-reference routines,// which will be faster.static const uint8_t VP9_VAR_OFFS[64] = { 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128,7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
128, 128, 128, 128, 128, 128, 128, 128
};
static unsigned int get_sby_perpixel_variance(VP9_COMP *cpi,
const struct buf_2d *ref,
BLOCK_SIZE bs) {
unsigned int sse;
const unsigned int var = cpi->fn_ptr[bs].vf(ref->buf, ref->stride,
VP9_VAR_OFFS, 0, &sse);
return ROUND_POWER_OF_TWO(var, num_pels_log2_lookup[bs]);
}
static unsigned int get_sby_perpixel_diff_variance(VP9_COMP *cpi,
const struct buf_2d *ref,
int mi_row, int mi_col,
BLOCK_SIZE bs) {
const YV12_BUFFER_CONFIG *last = get_ref_frame_buffer(cpi, LAST_FRAME);
const uint8_t* last_y = &last->y_buffer[mi_row * MI_SIZE * last->y_stride +
mi_col * MI_SIZE];
unsigned int sse;
const unsigned int var = cpi->fn_ptr[bs].vf(ref->buf, ref->stride,
last_y, last->y_stride, &sse);
return ROUND_POWER_OF_TWO(var, num_pels_log2_lookup[bs]);
}
static BLOCK_SIZE get_rd_var_based_fixed_partition(VP9_COMP *cpi,
int mi_row,
int mi_col) {
unsigned int var = get_sby_perpixel_diff_variance(cpi, &cpi->mb.plane[0].src,
mi_row, mi_col,
BLOCK_64X64);
if (var < 8)
return BLOCK_64X64;
else if (var < 128)
return BLOCK_32X32;
else if (var < 2048)
return BLOCK_16X16;
else
return BLOCK_8X8;
}
static BLOCK_SIZE get_nonrd_var_based_fixed_partition(VP9_COMP *cpi,
int mi_row,
int mi_col) {
unsigned int var = get_sby_perpixel_diff_variance(cpi, &cpi->mb.plane[0].src,
mi_row, mi_col,
BLOCK_64X64);
if (var < 4)
return BLOCK_64X64;
else if (var < 10)
return BLOCK_32X32;
else
return BLOCK_16X16;
}
// Lighter version of set_offsets that only sets the mode info
// pointers.
static INLINE void set_modeinfo_offsets(VP9_COMMON *const cm,
MACROBLOCKD *const xd,
int mi_row,
int mi_col) {
const int idx_str = xd->mi_stride * mi_row + mi_col;
xd->mi = cm->mi_grid_visible + idx_str;
xd->mi[0] = cm->mi + idx_str;
}
static void set_offsets(VP9_COMP *cpi, const TileInfo *const tile,
int mi_row, int mi_col, BLOCK_SIZE bsize) {
MACROBLOCK *const x = &cpi->mb;
VP9_COMMON *const cm = &cpi->common;