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Ronald S. Bultje authored
Change-Id: I87d571008c73f0a8514e0a864405aadb82fd1bc0
fbf2ac11
/* * 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_ports/config.h"#include "encodemb.h"#include "encodemv.h"#include "vp8/common/common.h"#include "onyx_int.h"#include "vp8/common/extend.h"#include "vp8/common/entropymode.h"#include "vp8/common/quant_common.h"#include "segmentation.h"#include "vp8/common/setupintrarecon.h"#include "vp8/common/reconintra4x4.h"#include "encodeintra.h"#include "vp8/common/reconinter.h"#include "vp8/common/invtrans.h"#include "rdopt.h"#include "vp8/common/findnearmv.h"#include "vp8/common/reconintra.h"#include "vp8/common/seg_common.h"#include "vpx_rtcd.h"#include <stdio.h>#include <math.h>#include <limits.h>#include "vp8/common/subpixel.h"#include "vpx_ports/vpx_timer.h"#include "vp8/common/pred_common.h"#define DBG_PRNT_SEGMAP 0#if CONFIG_NEWBESTREFMV#include "vp8/common/mvref_common.h"#endif#if CONFIG_RUNTIME_CPU_DETECT#define RTCD(x) &cpi->common.rtcd.x#define IF_RTCD(x) (x)#else#define RTCD(x) NULL#define IF_RTCD(x) NULL#endif#ifdef ENC_DEBUGint enc_debug = 0;int mb_row_debug, mb_col_debug;#endifextern void vp8cx_initialize_me_consts(VP8_COMP *cpi, int QIndex);extern void vp8_auto_select_speed(VP8_COMP *cpi);extern void vp8cx_init_mbrthread_data(VP8_COMP *cpi, MACROBLOCK *x, MB_ROW_COMP *mbr_ei, int mb_row, int count);int64_t vp8_rd_pick_inter_mode_sb(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int recon_uvoffset, int *returnrate, int *returndistortion);extern void vp8cx_pick_mode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, int recon_yoffset, int recon_uvoffset, int *r, int *d);void vp8_build_block_offsets(MACROBLOCK *x);7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140
void vp8_setup_block_ptrs(MACROBLOCK *x);
void vp8cx_encode_inter_macroblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
int recon_yoffset, int recon_uvoffset,
int output_enabled);
void vp8cx_encode_inter_superblock(VP8_COMP *cpi, MACROBLOCK *x, TOKENEXTRA **t,
int recon_yoffset, int recon_uvoffset, int mb_col, int mb_row);
void vp8cx_encode_intra_macro_block(VP8_COMP *cpi, MACROBLOCK *x,
TOKENEXTRA **t, int output_enabled);
void vp8cx_encode_intra_super_block(VP8_COMP *cpi,
MACROBLOCK *x,
TOKENEXTRA **t, int mb_col);
static void adjust_act_zbin(VP8_COMP *cpi, MACROBLOCK *x);
#ifdef MODE_STATS
unsigned int inter_y_modes[MB_MODE_COUNT];
unsigned int inter_uv_modes[VP8_UV_MODES];
unsigned int inter_b_modes[B_MODE_COUNT];
unsigned int y_modes[VP8_YMODES];
unsigned int i8x8_modes[VP8_I8X8_MODES];
unsigned int uv_modes[VP8_UV_MODES];
unsigned int uv_modes_y[VP8_YMODES][VP8_UV_MODES];
unsigned int b_modes[B_MODE_COUNT];
#endif
/* activity_avg must be positive, or flat regions could get a zero weight
* (infinite lambda), which confounds analysis.
* This also avoids the need for divide by zero checks in
* vp8_activity_masking().
*/
#define VP8_ACTIVITY_AVG_MIN (64)
/* 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 unsigned char VP8_VAR_OFFS[16] = {
128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128, 128
};
// Original activity measure from Tim T's code.
static unsigned int tt_activity_measure(VP8_COMP *cpi, MACROBLOCK *x) {
unsigned int act;
unsigned int sse;
/* TODO: This could also be done over smaller areas (8x8), but that would
* require extensive changes elsewhere, as lambda is assumed to be fixed
* over an entire MB in most of the code.
* Another option is to compute four 8x8 variances, and pick a single
* lambda using a non-linear combination (e.g., the smallest, or second
* smallest, etc.).
*/
act = vp8_variance16x16(x->src.y_buffer, x->src.y_stride, VP8_VAR_OFFS, 0,
&sse);
act = act << 4;
/* If the region is flat, lower the activity some more. */
if (act < 8 << 12)
act = act < 5 << 12 ? act : 5 << 12;
return act;
}
// Stub for alternative experimental activity measures.
static unsigned int alt_activity_measure(VP8_COMP *cpi,
MACROBLOCK *x, int use_dc_pred) {
return vp8_encode_intra(cpi, x, use_dc_pred);
}