110 lines
3.7 KiB
C++
110 lines
3.7 KiB
C++
|
/********************************************************************
|
||
|
|
* *
|
||
|
|
* THIS FILE IS PART OF THE OggTheora SOFTWARE CODEC SOURCE CODE. *
|
||
|
|
* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
|
||
|
|
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
|
||
|
|
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
|
||
|
|
* *
|
||
|
|
* THE Theora SOURCE CODE IS COPYRIGHT (C) 2002-2009 *
|
||
|
|
* by the Xiph.Org Foundation http://www.xiph.org/ *
|
||
|
|
* *
|
||
|
|
********************************************************************
|
||
|
|
|
||
|
|
function: mode selection code
|
||
|
|
last mod: $Id$
|
||
|
|
|
||
|
|
********************************************************************/
|
||
|
|
#if !defined(_collect_H)
|
||
|
|
# define _collect_H (1)
|
||
|
|
# include "encint.h"
|
||
|
|
# if defined(OC_COLLECT_METRICS)
|
||
|
|
# include <stdio.h>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
typedef struct oc_mode_metrics oc_mode_metrics;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/**Sets the file name to load/store mode metrics from/to.
|
||
|
|
* The file name string is stored by reference, and so must be valid for the
|
||
|
|
* lifetime of the encoder.
|
||
|
|
* Mode metric collection uses global tables; do not attempt to perform
|
||
|
|
* multiple collections at once.
|
||
|
|
* \param[in] _buf <tt>char[]</tt> The file name.
|
||
|
|
* \retval TH_EIMPL Not supported by this implementation.*/
|
||
|
|
#define TH_ENCCTL_SET_METRICS_FILE (0x8000)
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
/*Accumulates various weighted sums of the measurements.
|
||
|
|
w -> weight
|
||
|
|
s -> SATD
|
||
|
|
q -> log quantizer
|
||
|
|
r -> rate (in bits)
|
||
|
|
d -> RMSE
|
||
|
|
All of the single letters correspond to direct, weighted sums, e.g.,
|
||
|
|
w=sum(w_i), s=sum(s_i*w_i), etc.
|
||
|
|
The others correspond to central moments (or co-moments) of the given order,
|
||
|
|
e.g., sq=sum((s_i-s/w)*(q_i-q/w)*w_i).
|
||
|
|
Because we need some moments up to fourth order, we use central moments to
|
||
|
|
minimize the dynamic range and prevent rounding error from dominating the
|
||
|
|
calculations.*/
|
||
|
|
struct oc_mode_metrics{
|
||
|
|
double w;
|
||
|
|
double s;
|
||
|
|
double q;
|
||
|
|
double r;
|
||
|
|
double d;
|
||
|
|
double s2;
|
||
|
|
double sq;
|
||
|
|
double q2;
|
||
|
|
double sr;
|
||
|
|
double qr;
|
||
|
|
double r2;
|
||
|
|
double sd;
|
||
|
|
double qd;
|
||
|
|
double d2;
|
||
|
|
double s2q;
|
||
|
|
double sq2;
|
||
|
|
double sqr;
|
||
|
|
double sqd;
|
||
|
|
double s2q2;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
# define OC_ZWEIGHT (0.25)
|
||
|
|
|
||
|
|
/*TODO: It may be helpful (for block-level quantizers especially) to separate
|
||
|
|
out the contributions from AC and DC into separate tables.*/
|
||
|
|
|
||
|
|
extern ogg_int16_t OC_MODE_LOGQ[OC_LOGQ_BINS][3][2];
|
||
|
|
extern oc_mode_rd OC_MODE_RD_SATD[OC_LOGQ_BINS][3][2][OC_COMP_BINS];
|
||
|
|
extern oc_mode_rd OC_MODE_RD_SAD[OC_LOGQ_BINS][3][2][OC_COMP_BINS];
|
||
|
|
|
||
|
|
extern int OC_HAS_MODE_METRICS;
|
||
|
|
extern oc_mode_metrics OC_MODE_METRICS_SATD[OC_LOGQ_BINS-1][3][2][OC_COMP_BINS];
|
||
|
|
extern oc_mode_metrics OC_MODE_METRICS_SAD[OC_LOGQ_BINS-1][3][2][OC_COMP_BINS];
|
||
|
|
extern const char *OC_MODE_METRICS_FILENAME;
|
||
|
|
|
||
|
|
void oc_mode_metrics_dump();
|
||
|
|
void oc_mode_metrics_print(FILE *_fout);
|
||
|
|
|
||
|
|
void oc_mode_metrics_add(oc_mode_metrics *_metrics,
|
||
|
|
double _w,int _s,int _q,int _r,double _d);
|
||
|
|
void oc_mode_metrics_merge(oc_mode_metrics *_dst,
|
||
|
|
const oc_mode_metrics *_src,int _n);
|
||
|
|
double oc_mode_metrics_solve(double *_r,double *_d,
|
||
|
|
const oc_mode_metrics *_metrics,const int *_s0,const int *_s1,
|
||
|
|
const int *_q0,const int *_q1,
|
||
|
|
const double *_ra,const double *_rb,const double *_rc,
|
||
|
|
const double *_da,const double *_db,const double *_dc,int _n);
|
||
|
|
void oc_mode_metrics_update(oc_mode_metrics (*_metrics)[3][2][OC_COMP_BINS],
|
||
|
|
int _niters_min,int _reweight,oc_mode_rd (*_table)[3][2][OC_COMP_BINS],
|
||
|
|
int shift,double (*_weight)[3][2][OC_COMP_BINS]);
|
||
|
|
void oc_enc_mode_metrics_load(oc_enc_ctx *_enc);
|
||
|
|
void oc_enc_mode_metrics_collect(oc_enc_ctx *_enc);
|
||
|
|
|
||
|
|
# endif
|
||
|
|
#endif
|