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-rw-r--r--vorbis/lib/vorbisenc.c1223
1 files changed, 0 insertions, 1223 deletions
diff --git a/vorbis/lib/vorbisenc.c b/vorbis/lib/vorbisenc.c
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--- a/vorbis/lib/vorbisenc.c
+++ /dev/null
@@ -1,1223 +0,0 @@
-/********************************************************************
- * *
- * THIS FILE IS PART OF THE OggVorbis 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 OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2015 *
- * by the Xiph.Org Foundation http://www.xiph.org/ *
- * *
- ********************************************************************
-
- function: simple programmatic interface for encoder mode setup
-
- ********************************************************************/
-
-#include <stdlib.h>
-#include <string.h>
-#include <math.h>
-
-#include "vorbis/codec.h"
-#include "vorbis/vorbisenc.h"
-
-#include "codec_internal.h"
-
-#include "os.h"
-#include "misc.h"
-
-/* careful with this; it's using static array sizing to make managing
- all the modes a little less annoying. If we use a residue backend
- with > 12 partition types, or a different division of iteration,
- this needs to be updated. */
-typedef struct {
- const static_codebook *books[12][4];
-} static_bookblock;
-
-typedef struct {
- int res_type;
- int limit_type; /* 0 lowpass limited, 1 point stereo limited */
- int grouping;
- const vorbis_info_residue0 *res;
- const static_codebook *book_aux;
- const static_codebook *book_aux_managed;
- const static_bookblock *books_base;
- const static_bookblock *books_base_managed;
-} vorbis_residue_template;
-
-typedef struct {
- const vorbis_info_mapping0 *map;
- const vorbis_residue_template *res;
-} vorbis_mapping_template;
-
-typedef struct vp_adjblock{
- int block[P_BANDS];
-} vp_adjblock;
-
-typedef struct {
- int data[NOISE_COMPAND_LEVELS];
-} compandblock;
-
-/* high level configuration information for setting things up
- step-by-step with the detailed vorbis_encode_ctl interface.
- There's a fair amount of redundancy such that interactive setup
- does not directly deal with any vorbis_info or codec_setup_info
- initialization; it's all stored (until full init) in this highlevel
- setup, then flushed out to the real codec setup structs later. */
-
-typedef struct {
- int att[P_NOISECURVES];
- float boost;
- float decay;
-} att3;
-typedef struct { int data[P_NOISECURVES]; } adj3;
-
-typedef struct {
- int pre[PACKETBLOBS];
- int post[PACKETBLOBS];
- float kHz[PACKETBLOBS];
- float lowpasskHz[PACKETBLOBS];
-} adj_stereo;
-
-typedef struct {
- int lo;
- int hi;
- int fixed;
-} noiseguard;
-typedef struct {
- int data[P_NOISECURVES][17];
-} noise3;
-
-typedef struct {
- int mappings;
- const double *rate_mapping;
- const double *quality_mapping;
- int coupling_restriction;
- long samplerate_min_restriction;
- long samplerate_max_restriction;
-
-
- const int *blocksize_short;
- const int *blocksize_long;
-
- const att3 *psy_tone_masteratt;
- const int *psy_tone_0dB;
- const int *psy_tone_dBsuppress;
-
- const vp_adjblock *psy_tone_adj_impulse;
- const vp_adjblock *psy_tone_adj_long;
- const vp_adjblock *psy_tone_adj_other;
-
- const noiseguard *psy_noiseguards;
- const noise3 *psy_noise_bias_impulse;
- const noise3 *psy_noise_bias_padding;
- const noise3 *psy_noise_bias_trans;
- const noise3 *psy_noise_bias_long;
- const int *psy_noise_dBsuppress;
-
- const compandblock *psy_noise_compand;
- const double *psy_noise_compand_short_mapping;
- const double *psy_noise_compand_long_mapping;
-
- const int *psy_noise_normal_start[2];
- const int *psy_noise_normal_partition[2];
- const double *psy_noise_normal_thresh;
-
- const int *psy_ath_float;
- const int *psy_ath_abs;
-
- const double *psy_lowpass;
-
- const vorbis_info_psy_global *global_params;
- const double *global_mapping;
- const adj_stereo *stereo_modes;
-
- const static_codebook *const *const *const floor_books;
- const vorbis_info_floor1 *floor_params;
- const int floor_mappings;
- const int **floor_mapping_list;
-
- const vorbis_mapping_template *maps;
-} ve_setup_data_template;
-
-/* a few static coder conventions */
-static const vorbis_info_mode _mode_template[2]={
- {0,0,0,0},
- {1,0,0,1}
-};
-
-static const vorbis_info_mapping0 _map_nominal[2]={
- {1, {0,0}, {0}, {0}, 1,{0},{1}},
- {1, {0,0}, {1}, {1}, 1,{0},{1}}
-};
-
-#include "modes/setup_44.h"
-#include "modes/setup_44u.h"
-#include "modes/setup_44p51.h"
-#include "modes/setup_32.h"
-#include "modes/setup_8.h"
-#include "modes/setup_11.h"
-#include "modes/setup_16.h"
-#include "modes/setup_22.h"
-#include "modes/setup_X.h"
-
-static const ve_setup_data_template *const setup_list[]={
- &ve_setup_44_stereo,
- &ve_setup_44_51,
- &ve_setup_44_uncoupled,
-
- &ve_setup_32_stereo,
- &ve_setup_32_uncoupled,
-
- &ve_setup_22_stereo,
- &ve_setup_22_uncoupled,
- &ve_setup_16_stereo,
- &ve_setup_16_uncoupled,
-
- &ve_setup_11_stereo,
- &ve_setup_11_uncoupled,
- &ve_setup_8_stereo,
- &ve_setup_8_uncoupled,
-
- &ve_setup_X_stereo,
- &ve_setup_X_uncoupled,
- &ve_setup_XX_stereo,
- &ve_setup_XX_uncoupled,
- 0
-};
-
-static void vorbis_encode_floor_setup(vorbis_info *vi,int s,
- const static_codebook *const *const *const books,
- const vorbis_info_floor1 *in,
- const int *x){
- int i,k,is=s;
- vorbis_info_floor1 *f=_ogg_calloc(1,sizeof(*f));
- codec_setup_info *ci=vi->codec_setup;
-
- memcpy(f,in+x[is],sizeof(*f));
-
- /* books */
- {
- int partitions=f->partitions;
- int maxclass=-1;
- int maxbook=-1;
- for(i=0;i<partitions;i++)
- if(f->partitionclass[i]>maxclass)maxclass=f->partitionclass[i];
- for(i=0;i<=maxclass;i++){
- if(f->class_book[i]>maxbook)maxbook=f->class_book[i];
- f->class_book[i]+=ci->books;
- for(k=0;k<(1<<f->class_subs[i]);k++){
- if(f->class_subbook[i][k]>maxbook)maxbook=f->class_subbook[i][k];
- if(f->class_subbook[i][k]>=0)f->class_subbook[i][k]+=ci->books;
- }
- }
-
- for(i=0;i<=maxbook;i++)
- ci->book_param[ci->books++]=(static_codebook *)books[x[is]][i];
- }
-
- /* for now, we're only using floor 1 */
- ci->floor_type[ci->floors]=1;
- ci->floor_param[ci->floors]=f;
- ci->floors++;
-
- return;
-}
-
-static void vorbis_encode_global_psych_setup(vorbis_info *vi,double s,
- const vorbis_info_psy_global *in,
- const double *x){
- int i,is=s;
- double ds=s-is;
- codec_setup_info *ci=vi->codec_setup;
- vorbis_info_psy_global *g=&ci->psy_g_param;
-
- memcpy(g,in+(int)x[is],sizeof(*g));
-
- ds=x[is]*(1.-ds)+x[is+1]*ds;
- is=(int)ds;
- ds-=is;
- if(ds==0 && is>0){
- is--;
- ds=1.;
- }
-
- /* interpolate the trigger threshholds */
- for(i=0;i<4;i++){
- g->preecho_thresh[i]=in[is].preecho_thresh[i]*(1.-ds)+in[is+1].preecho_thresh[i]*ds;
- g->postecho_thresh[i]=in[is].postecho_thresh[i]*(1.-ds)+in[is+1].postecho_thresh[i]*ds;
- }
- g->ampmax_att_per_sec=ci->hi.amplitude_track_dBpersec;
- return;
-}
-
-static void vorbis_encode_global_stereo(vorbis_info *vi,
- const highlevel_encode_setup *const hi,
- const adj_stereo *p){
- float s=hi->stereo_point_setting;
- int i,is=s;
- double ds=s-is;
- codec_setup_info *ci=vi->codec_setup;
- vorbis_info_psy_global *g=&ci->psy_g_param;
-
- if(p){
- memcpy(g->coupling_prepointamp,p[is].pre,sizeof(*p[is].pre)*PACKETBLOBS);
- memcpy(g->coupling_postpointamp,p[is].post,sizeof(*p[is].post)*PACKETBLOBS);
-
- if(hi->managed){
- /* interpolate the kHz threshholds */
- for(i=0;i<PACKETBLOBS;i++){
- float kHz=p[is].kHz[i]*(1.-ds)+p[is+1].kHz[i]*ds;
- g->coupling_pointlimit[0][i]=kHz*1000./vi->rate*ci->blocksizes[0];
- g->coupling_pointlimit[1][i]=kHz*1000./vi->rate*ci->blocksizes[1];
- g->coupling_pkHz[i]=kHz;
-
- kHz=p[is].lowpasskHz[i]*(1.-ds)+p[is+1].lowpasskHz[i]*ds;
- g->sliding_lowpass[0][i]=kHz*1000./vi->rate*ci->blocksizes[0];
- g->sliding_lowpass[1][i]=kHz*1000./vi->rate*ci->blocksizes[1];
-
- }
- }else{
- float kHz=p[is].kHz[PACKETBLOBS/2]*(1.-ds)+p[is+1].kHz[PACKETBLOBS/2]*ds;
- for(i=0;i<PACKETBLOBS;i++){
- g->coupling_pointlimit[0][i]=kHz*1000./vi->rate*ci->blocksizes[0];
- g->coupling_pointlimit[1][i]=kHz*1000./vi->rate*ci->blocksizes[1];
- g->coupling_pkHz[i]=kHz;
- }
-
- kHz=p[is].lowpasskHz[PACKETBLOBS/2]*(1.-ds)+p[is+1].lowpasskHz[PACKETBLOBS/2]*ds;
- for(i=0;i<PACKETBLOBS;i++){
- g->sliding_lowpass[0][i]=kHz*1000./vi->rate*ci->blocksizes[0];
- g->sliding_lowpass[1][i]=kHz*1000./vi->rate*ci->blocksizes[1];
- }
- }
- }else{
- for(i=0;i<PACKETBLOBS;i++){
- g->sliding_lowpass[0][i]=ci->blocksizes[0];
- g->sliding_lowpass[1][i]=ci->blocksizes[1];
- }
- }
- return;
-}
-
-static void vorbis_encode_psyset_setup(vorbis_info *vi,double s,
- const int *nn_start,
- const int *nn_partition,
- const double *nn_thresh,
- int block){
- codec_setup_info *ci=vi->codec_setup;
- vorbis_info_psy *p=ci->psy_param[block];
- highlevel_encode_setup *hi=&ci->hi;
- int is=s;
-
- if(block>=ci->psys)
- ci->psys=block+1;
- if(!p){
- p=_ogg_calloc(1,sizeof(*p));
- ci->psy_param[block]=p;
- }
-
- memcpy(p,&_psy_info_template,sizeof(*p));
- p->blockflag=block>>1;
-
- if(hi->noise_normalize_p){
- p->normal_p=1;
- p->normal_start=nn_start[is];
- p->normal_partition=nn_partition[is];
- p->normal_thresh=nn_thresh[is];
- }
-
- return;
-}
-
-static void vorbis_encode_tonemask_setup(vorbis_info *vi,double s,int block,
- const att3 *att,
- const int *max,
- const vp_adjblock *in){
- int i,is=s;
- double ds=s-is;
- codec_setup_info *ci=vi->codec_setup;
- vorbis_info_psy *p=ci->psy_param[block];
-
- /* 0 and 2 are only used by bitmanagement, but there's no harm to always
- filling the values in here */
- p->tone_masteratt[0]=att[is].att[0]*(1.-ds)+att[is+1].att[0]*ds;
- p->tone_masteratt[1]=att[is].att[1]*(1.-ds)+att[is+1].att[1]*ds;
- p->tone_masteratt[2]=att[is].att[2]*(1.-ds)+att[is+1].att[2]*ds;
- p->tone_centerboost=att[is].boost*(1.-ds)+att[is+1].boost*ds;
- p->tone_decay=att[is].decay*(1.-ds)+att[is+1].decay*ds;
-
- p->max_curve_dB=max[is]*(1.-ds)+max[is+1]*ds;
-
- for(i=0;i<P_BANDS;i++)
- p->toneatt[i]=in[is].block[i]*(1.-ds)+in[is+1].block[i]*ds;
- return;
-}
-
-
-static void vorbis_encode_compand_setup(vorbis_info *vi,double s,int block,
- const compandblock *in,
- const double *x){
- int i,is=s;
- double ds=s-is;
- codec_setup_info *ci=vi->codec_setup;
- vorbis_info_psy *p=ci->psy_param[block];
-
- ds=x[is]*(1.-ds)+x[is+1]*ds;
- is=(int)ds;
- ds-=is;
- if(ds==0 && is>0){
- is--;
- ds=1.;
- }
-
- /* interpolate the compander settings */
- for(i=0;i<NOISE_COMPAND_LEVELS;i++)
- p->noisecompand[i]=in[is].data[i]*(1.-ds)+in[is+1].data[i]*ds;
- return;
-}
-
-static void vorbis_encode_peak_setup(vorbis_info *vi,double s,int block,
- const int *suppress){
- int is=s;
- double ds=s-is;
- codec_setup_info *ci=vi->codec_setup;
- vorbis_info_psy *p=ci->psy_param[block];
-
- p->tone_abs_limit=suppress[is]*(1.-ds)+suppress[is+1]*ds;
-
- return;
-}
-
-static void vorbis_encode_noisebias_setup(vorbis_info *vi,double s,int block,
- const int *suppress,
- const noise3 *in,
- const noiseguard *guard,
- double userbias){
- int i,is=s,j;
- double ds=s-is;
- codec_setup_info *ci=vi->codec_setup;
- vorbis_info_psy *p=ci->psy_param[block];
-
- p->noisemaxsupp=suppress[is]*(1.-ds)+suppress[is+1]*ds;
- p->noisewindowlomin=guard[block].lo;
- p->noisewindowhimin=guard[block].hi;
- p->noisewindowfixed=guard[block].fixed;
-
- for(j=0;j<P_NOISECURVES;j++)
- for(i=0;i<P_BANDS;i++)
- p->noiseoff[j][i]=in[is].data[j][i]*(1.-ds)+in[is+1].data[j][i]*ds;
-
- /* impulse blocks may take a user specified bias to boost the
- nominal/high noise encoding depth */
- for(j=0;j<P_NOISECURVES;j++){
- float min=p->noiseoff[j][0]+6; /* the lowest it can go */
- for(i=0;i<P_BANDS;i++){
- p->noiseoff[j][i]+=userbias;
- if(p->noiseoff[j][i]<min)p->noiseoff[j][i]=min;
- }
- }
-
- return;
-}
-
-static void vorbis_encode_ath_setup(vorbis_info *vi,int block){
- codec_setup_info *ci=vi->codec_setup;
- vorbis_info_psy *p=ci->psy_param[block];
-
- p->ath_adjatt=ci->hi.ath_floating_dB;
- p->ath_maxatt=ci->hi.ath_absolute_dB;
- return;
-}
-
-
-static int book_dup_or_new(codec_setup_info *ci,const static_codebook *book){
- int i;
- for(i=0;i<ci->books;i++)
- if(ci->book_param[i]==book)return(i);
-
- return(ci->books++);
-}
-
-static void vorbis_encode_blocksize_setup(vorbis_info *vi,double s,
- const int *shortb,const int *longb){
-
- codec_setup_info *ci=vi->codec_setup;
- int is=s;
-
- int blockshort=shortb[is];
- int blocklong=longb[is];
- ci->blocksizes[0]=blockshort;
- ci->blocksizes[1]=blocklong;
-
-}
-
-static void vorbis_encode_residue_setup(vorbis_info *vi,
- int number, int block,
- const vorbis_residue_template *res){
-
- codec_setup_info *ci=vi->codec_setup;
- int i;
-
- vorbis_info_residue0 *r=ci->residue_param[number]=
- _ogg_malloc(sizeof(*r));
-
- memcpy(r,res->res,sizeof(*r));
- if(ci->residues<=number)ci->residues=number+1;
-
- r->grouping=res->grouping;
- ci->residue_type[number]=res->res_type;
-
- /* fill in all the books */
- {
- int booklist=0,k;
-
- if(ci->hi.managed){
- for(i=0;i<r->partitions;i++)
- for(k=0;k<4;k++)
- if(res->books_base_managed->books[i][k])
- r->secondstages[i]|=(1<<k);
-
- r->groupbook=book_dup_or_new(ci,res->book_aux_managed);
- ci->book_param[r->groupbook]=(static_codebook *)res->book_aux_managed;
-
- for(i=0;i<r->partitions;i++){
- for(k=0;k<4;k++){
- if(res->books_base_managed->books[i][k]){
- int bookid=book_dup_or_new(ci,res->books_base_managed->books[i][k]);
- r->booklist[booklist++]=bookid;
- ci->book_param[bookid]=(static_codebook *)res->books_base_managed->books[i][k];
- }
- }
- }
-
- }else{
-
- for(i=0;i<r->partitions;i++)
- for(k=0;k<4;k++)
- if(res->books_base->books[i][k])
- r->secondstages[i]|=(1<<k);
-
- r->groupbook=book_dup_or_new(ci,res->book_aux);
- ci->book_param[r->groupbook]=(static_codebook *)res->book_aux;
-
- for(i=0;i<r->partitions;i++){
- for(k=0;k<4;k++){
- if(res->books_base->books[i][k]){
- int bookid=book_dup_or_new(ci,res->books_base->books[i][k]);
- r->booklist[booklist++]=bookid;
- ci->book_param[bookid]=(static_codebook *)res->books_base->books[i][k];
- }
- }
- }
- }
- }
-
- /* lowpass setup/pointlimit */
- {
- double freq=ci->hi.lowpass_kHz*1000.;
- vorbis_info_floor1 *f=ci->floor_param[block]; /* by convention */
- double nyq=vi->rate/2.;
- long blocksize=ci->blocksizes[block]>>1;
-
- /* lowpass needs to be set in the floor and the residue. */
- if(freq>nyq)freq=nyq;
- /* in the floor, the granularity can be very fine; it doesn't alter
- the encoding structure, only the samples used to fit the floor
- approximation */
- f->n=freq/nyq*blocksize;
-
- /* this res may by limited by the maximum pointlimit of the mode,
- not the lowpass. the floor is always lowpass limited. */
- switch(res->limit_type){
- case 1: /* point stereo limited */
- if(ci->hi.managed)
- freq=ci->psy_g_param.coupling_pkHz[PACKETBLOBS-1]*1000.;
- else
- freq=ci->psy_g_param.coupling_pkHz[PACKETBLOBS/2]*1000.;
- if(freq>nyq)freq=nyq;
- break;
- case 2: /* LFE channel; lowpass at ~ 250Hz */
- freq=250;
- break;
- default:
- /* already set */
- break;
- }
-
- /* in the residue, we're constrained, physically, by partition
- boundaries. We still lowpass 'wherever', but we have to round up
- here to next boundary, or the vorbis spec will round it *down* to
- previous boundary in encode/decode */
- if(ci->residue_type[number]==2){
- /* residue 2 bundles together multiple channels; used by stereo
- and surround. Count the channels in use */
- /* Multiple maps/submaps can point to the same residue. In the case
- of residue 2, they all better have the same number of
- channels/samples. */
- int j,k,ch=0;
- for(i=0;i<ci->maps&&ch==0;i++){
- vorbis_info_mapping0 *mi=(vorbis_info_mapping0 *)ci->map_param[i];
- for(j=0;j<mi->submaps && ch==0;j++)
- if(mi->residuesubmap[j]==number) /* we found a submap referencing theis residue backend */
- for(k=0;k<vi->channels;k++)
- if(mi->chmuxlist[k]==j) /* this channel belongs to the submap */
- ch++;
- }
-
- r->end=(int)((freq/nyq*blocksize*ch)/r->grouping+.9)* /* round up only if we're well past */
- r->grouping;
- /* the blocksize and grouping may disagree at the end */
- if(r->end>blocksize*ch)r->end=blocksize*ch/r->grouping*r->grouping;
-
- }else{
-
- r->end=(int)((freq/nyq*blocksize)/r->grouping+.9)* /* round up only if we're well past */
- r->grouping;
- /* the blocksize and grouping may disagree at the end */
- if(r->end>blocksize)r->end=blocksize/r->grouping*r->grouping;
-
- }
-
- if(r->end==0)r->end=r->grouping; /* LFE channel */
-
- }
-}
-
-/* we assume two maps in this encoder */
-static void vorbis_encode_map_n_res_setup(vorbis_info *vi,double s,
- const vorbis_mapping_template *maps){
-
- codec_setup_info *ci=vi->codec_setup;
- int i,j,is=s,modes=2;
- const vorbis_info_mapping0 *map=maps[is].map;
- const vorbis_info_mode *mode=_mode_template;
- const vorbis_residue_template *res=maps[is].res;
-
- if(ci->blocksizes[0]==ci->blocksizes[1])modes=1;
-
- for(i=0;i<modes;i++){
-
- ci->map_param[i]=_ogg_calloc(1,sizeof(*map));
- ci->mode_param[i]=_ogg_calloc(1,sizeof(*mode));
-
- memcpy(ci->mode_param[i],mode+i,sizeof(*_mode_template));
- if(i>=ci->modes)ci->modes=i+1;
-
- ci->map_type[i]=0;
- memcpy(ci->map_param[i],map+i,sizeof(*map));
- if(i>=ci->maps)ci->maps=i+1;
-
- for(j=0;j<map[i].submaps;j++)
- vorbis_encode_residue_setup(vi,map[i].residuesubmap[j],i
- ,res+map[i].residuesubmap[j]);
- }
-}
-
-static double setting_to_approx_bitrate(vorbis_info *vi){
- codec_setup_info *ci=vi->codec_setup;
- highlevel_encode_setup *hi=&ci->hi;
- ve_setup_data_template *setup=(ve_setup_data_template *)hi->setup;
- int is=hi->base_setting;
- double ds=hi->base_setting-is;
- int ch=vi->channels;
- const double *r=setup->rate_mapping;
-
- if(r==NULL)
- return(-1);
-
- return((r[is]*(1.-ds)+r[is+1]*ds)*ch);
-}
-
-static const void *get_setup_template(long ch,long srate,
- double req,int q_or_bitrate,
- double *base_setting){
- int i=0,j;
- if(q_or_bitrate)req/=ch;
-
- while(setup_list[i]){
- if(setup_list[i]->coupling_restriction==-1 ||
- setup_list[i]->coupling_restriction==ch){
- if(srate>=setup_list[i]->samplerate_min_restriction &&
- srate<=setup_list[i]->samplerate_max_restriction){
- int mappings=setup_list[i]->mappings;
- const double *map=(q_or_bitrate?
- setup_list[i]->rate_mapping:
- setup_list[i]->quality_mapping);
-
- /* the template matches. Does the requested quality mode
- fall within this template's modes? */
- if(req<map[0]){++i;continue;}
- if(req>map[setup_list[i]->mappings]){++i;continue;}
- for(j=0;j<mappings;j++)
- if(req>=map[j] && req<map[j+1])break;
- /* an all-points match */
- if(j==mappings)
- *base_setting=j-.001;
- else{
- float low=map[j];
- float high=map[j+1];
- float del=(req-low)/(high-low);
- *base_setting=j+del;
- }
-
- return(setup_list[i]);
- }
- }
- i++;
- }
-
- return NULL;
-}
-
-/* encoders will need to use vorbis_info_init beforehand and call
- vorbis_info clear when all done */
-
-/* two interfaces; this, more detailed one, and later a convenience
- layer on top */
-
-/* the final setup call */
-int vorbis_encode_setup_init(vorbis_info *vi){
- int i,i0=0,singleblock=0;
- codec_setup_info *ci=vi->codec_setup;
- ve_setup_data_template *setup=NULL;
- highlevel_encode_setup *hi=&ci->hi;
-
- if(ci==NULL)return(OV_EINVAL);
- if(!hi->impulse_block_p)i0=1;
-
- /* too low/high an ATH floater is nonsensical, but doesn't break anything */
- if(hi->ath_floating_dB>-80)hi->ath_floating_dB=-80;
- if(hi->ath_floating_dB<-200)hi->ath_floating_dB=-200;
-
- /* again, bound this to avoid the app shooting itself int he foot
- too badly */
- if(hi->amplitude_track_dBpersec>0.)hi->amplitude_track_dBpersec=0.;
- if(hi->amplitude_track_dBpersec<-99999.)hi->amplitude_track_dBpersec=-99999.;
-
- /* get the appropriate setup template; matches the fetch in previous
- stages */
- setup=(ve_setup_data_template *)hi->setup;
- if(setup==NULL)return(OV_EINVAL);
-
- hi->set_in_stone=1;
- /* choose block sizes from configured sizes as well as paying
- attention to long_block_p and short_block_p. If the configured
- short and long blocks are the same length, we set long_block_p
- and unset short_block_p */
- vorbis_encode_blocksize_setup(vi,hi->base_setting,
- setup->blocksize_short,
- setup->blocksize_long);
- if(ci->blocksizes[0]==ci->blocksizes[1])singleblock=1;
-
- /* floor setup; choose proper floor params. Allocated on the floor
- stack in order; if we alloc only a single long floor, it's 0 */
- for(i=0;i<setup->floor_mappings;i++)
- vorbis_encode_floor_setup(vi,hi->base_setting,
- setup->floor_books,
- setup->floor_params,
- setup->floor_mapping_list[i]);
-
- /* setup of [mostly] short block detection and stereo*/
- vorbis_encode_global_psych_setup(vi,hi->trigger_setting,
- setup->global_params,
- setup->global_mapping);
- vorbis_encode_global_stereo(vi,hi,setup->stereo_modes);
-
- /* basic psych setup and noise normalization */
- vorbis_encode_psyset_setup(vi,hi->base_setting,
- setup->psy_noise_normal_start[0],
- setup->psy_noise_normal_partition[0],
- setup->psy_noise_normal_thresh,
- 0);
- vorbis_encode_psyset_setup(vi,hi->base_setting,
- setup->psy_noise_normal_start[0],
- setup->psy_noise_normal_partition[0],
- setup->psy_noise_normal_thresh,
- 1);
- if(!singleblock){
- vorbis_encode_psyset_setup(vi,hi->base_setting,
- setup->psy_noise_normal_start[1],
- setup->psy_noise_normal_partition[1],
- setup->psy_noise_normal_thresh,
- 2);
- vorbis_encode_psyset_setup(vi,hi->base_setting,
- setup->psy_noise_normal_start[1],
- setup->psy_noise_normal_partition[1],
- setup->psy_noise_normal_thresh,
- 3);
- }
-
- /* tone masking setup */
- vorbis_encode_tonemask_setup(vi,hi->block[i0].tone_mask_setting,0,
- setup->psy_tone_masteratt,
- setup->psy_tone_0dB,
- setup->psy_tone_adj_impulse);
- vorbis_encode_tonemask_setup(vi,hi->block[1].tone_mask_setting,1,
- setup->psy_tone_masteratt,
- setup->psy_tone_0dB,
- setup->psy_tone_adj_other);
- if(!singleblock){
- vorbis_encode_tonemask_setup(vi,hi->block[2].tone_mask_setting,2,
- setup->psy_tone_masteratt,
- setup->psy_tone_0dB,
- setup->psy_tone_adj_other);
- vorbis_encode_tonemask_setup(vi,hi->block[3].tone_mask_setting,3,
- setup->psy_tone_masteratt,
- setup->psy_tone_0dB,
- setup->psy_tone_adj_long);
- }
-
- /* noise companding setup */
- vorbis_encode_compand_setup(vi,hi->block[i0].noise_compand_setting,0,
- setup->psy_noise_compand,
- setup->psy_noise_compand_short_mapping);
- vorbis_encode_compand_setup(vi,hi->block[1].noise_compand_setting,1,
- setup->psy_noise_compand,
- setup->psy_noise_compand_short_mapping);
- if(!singleblock){
- vorbis_encode_compand_setup(vi,hi->block[2].noise_compand_setting,2,
- setup->psy_noise_compand,
- setup->psy_noise_compand_long_mapping);
- vorbis_encode_compand_setup(vi,hi->block[3].noise_compand_setting,3,
- setup->psy_noise_compand,
- setup->psy_noise_compand_long_mapping);
- }
-
- /* peak guarding setup */
- vorbis_encode_peak_setup(vi,hi->block[i0].tone_peaklimit_setting,0,
- setup->psy_tone_dBsuppress);
- vorbis_encode_peak_setup(vi,hi->block[1].tone_peaklimit_setting,1,
- setup->psy_tone_dBsuppress);
- if(!singleblock){
- vorbis_encode_peak_setup(vi,hi->block[2].tone_peaklimit_setting,2,
- setup->psy_tone_dBsuppress);
- vorbis_encode_peak_setup(vi,hi->block[3].tone_peaklimit_setting,3,
- setup->psy_tone_dBsuppress);
- }
-
- /* noise bias setup */
- vorbis_encode_noisebias_setup(vi,hi->block[i0].noise_bias_setting,0,
- setup->psy_noise_dBsuppress,
- setup->psy_noise_bias_impulse,
- setup->psy_noiseguards,
- (i0==0?hi->impulse_noisetune:0.));
- vorbis_encode_noisebias_setup(vi,hi->block[1].noise_bias_setting,1,
- setup->psy_noise_dBsuppress,
- setup->psy_noise_bias_padding,
- setup->psy_noiseguards,0.);
- if(!singleblock){
- vorbis_encode_noisebias_setup(vi,hi->block[2].noise_bias_setting,2,
- setup->psy_noise_dBsuppress,
- setup->psy_noise_bias_trans,
- setup->psy_noiseguards,0.);
- vorbis_encode_noisebias_setup(vi,hi->block[3].noise_bias_setting,3,
- setup->psy_noise_dBsuppress,
- setup->psy_noise_bias_long,
- setup->psy_noiseguards,0.);
- }
-
- vorbis_encode_ath_setup(vi,0);
- vorbis_encode_ath_setup(vi,1);
- if(!singleblock){
- vorbis_encode_ath_setup(vi,2);
- vorbis_encode_ath_setup(vi,3);
- }
-
- vorbis_encode_map_n_res_setup(vi,hi->base_setting,setup->maps);
-
- /* set bitrate readonlies and management */
- if(hi->bitrate_av>0)
- vi->bitrate_nominal=hi->bitrate_av;
- else{
- vi->bitrate_nominal=setting_to_approx_bitrate(vi);
- }
-
- vi->bitrate_lower=hi->bitrate_min;
- vi->bitrate_upper=hi->bitrate_max;
- if(hi->bitrate_av)
- vi->bitrate_window=(double)hi->bitrate_reservoir/hi->bitrate_av;
- else
- vi->bitrate_window=0.;
-
- if(hi->managed){
- ci->bi.avg_rate=hi->bitrate_av;
- ci->bi.min_rate=hi->bitrate_min;
- ci->bi.max_rate=hi->bitrate_max;
-
- ci->bi.reservoir_bits=hi->bitrate_reservoir;
- ci->bi.reservoir_bias=
- hi->bitrate_reservoir_bias;
-
- ci->bi.slew_damp=hi->bitrate_av_damp;
-
- }
-
- return(0);
-
-}
-
-static void vorbis_encode_setup_setting(vorbis_info *vi,
- long channels,
- long rate){
- int i,is;
- codec_setup_info *ci=vi->codec_setup;
- highlevel_encode_setup *hi=&ci->hi;
- const ve_setup_data_template *setup=hi->setup;
- double ds;
-
- vi->version=0;
- vi->channels=channels;
- vi->rate=rate;
-
- hi->impulse_block_p=1;
- hi->noise_normalize_p=1;
-
- is=hi->base_setting;
- ds=hi->base_setting-is;
-
- hi->stereo_point_setting=hi->base_setting;
-
- if(!hi->lowpass_altered)
- hi->lowpass_kHz=
- setup->psy_lowpass[is]*(1.-ds)+setup->psy_lowpass[is+1]*ds;
-
- hi->ath_floating_dB=setup->psy_ath_float[is]*(1.-ds)+
- setup->psy_ath_float[is+1]*ds;
- hi->ath_absolute_dB=setup->psy_ath_abs[is]*(1.-ds)+
- setup->psy_ath_abs[is+1]*ds;
-
- hi->amplitude_track_dBpersec=-6.;
- hi->trigger_setting=hi->base_setting;
-
- for(i=0;i<4;i++){
- hi->block[i].tone_mask_setting=hi->base_setting;
- hi->block[i].tone_peaklimit_setting=hi->base_setting;
- hi->block[i].noise_bias_setting=hi->base_setting;
- hi->block[i].noise_compand_setting=hi->base_setting;
- }
-}
-
-int vorbis_encode_setup_vbr(vorbis_info *vi,
- long channels,
- long rate,
- float quality){
- codec_setup_info *ci;
- highlevel_encode_setup *hi;
- if(rate<=0) return OV_EINVAL;
-
- ci=vi->codec_setup;
- hi=&ci->hi;
-
- quality+=.0000001;
- if(quality>=1.)quality=.9999;
-
- hi->req=quality;
- hi->setup=get_setup_template(channels,rate,quality,0,&hi->base_setting);
- if(!hi->setup)return OV_EIMPL;
-
- vorbis_encode_setup_setting(vi,channels,rate);
- hi->managed=0;
- hi->coupling_p=1;
-
- return 0;
-}
-
-int vorbis_encode_init_vbr(vorbis_info *vi,
- long channels,
- long rate,
-
- float base_quality /* 0. to 1. */
- ){
- int ret=0;
-
- ret=vorbis_encode_setup_vbr(vi,channels,rate,base_quality);
-
- if(ret){
- vorbis_info_clear(vi);
- return ret;
- }
- ret=vorbis_encode_setup_init(vi);
- if(ret)
- vorbis_info_clear(vi);
- return(ret);
-}
-
-int vorbis_encode_setup_managed(vorbis_info *vi,
- long channels,
- long rate,
-
- long max_bitrate,
- long nominal_bitrate,
- long min_bitrate){
-
- codec_setup_info *ci;
- highlevel_encode_setup *hi;
- double tnominal;
- if(rate<=0) return OV_EINVAL;
-
- ci=vi->codec_setup;
- hi=&ci->hi;
- tnominal=nominal_bitrate;
-
- if(nominal_bitrate<=0.){
- if(max_bitrate>0.){
- if(min_bitrate>0.)
- nominal_bitrate=(max_bitrate+min_bitrate)*.5;
- else
- nominal_bitrate=max_bitrate*.875;
- }else{
- if(min_bitrate>0.){
- nominal_bitrate=min_bitrate;
- }else{
- return(OV_EINVAL);
- }
- }
- }
-
- hi->req=nominal_bitrate;
- hi->setup=get_setup_template(channels,rate,nominal_bitrate,1,&hi->base_setting);
- if(!hi->setup)return OV_EIMPL;
-
- vorbis_encode_setup_setting(vi,channels,rate);
-
- /* initialize management with sane defaults */
- hi->coupling_p=1;
- hi->managed=1;
- hi->bitrate_min=min_bitrate;
- hi->bitrate_max=max_bitrate;
- hi->bitrate_av=tnominal;
- hi->bitrate_av_damp=1.5f; /* full range in no less than 1.5 second */
- hi->bitrate_reservoir=nominal_bitrate*2;
- hi->bitrate_reservoir_bias=.1; /* bias toward hoarding bits */
-
- return(0);
-
-}
-
-int vorbis_encode_init(vorbis_info *vi,
- long channels,
- long rate,
-
- long max_bitrate,
- long nominal_bitrate,
- long min_bitrate){
-
- int ret=vorbis_encode_setup_managed(vi,channels,rate,
- max_bitrate,
- nominal_bitrate,
- min_bitrate);
- if(ret){
- vorbis_info_clear(vi);
- return(ret);
- }
-
- ret=vorbis_encode_setup_init(vi);
- if(ret)
- vorbis_info_clear(vi);
- return(ret);
-}
-
-int vorbis_encode_ctl(vorbis_info *vi,int number,void *arg){
- if(vi){
- codec_setup_info *ci=vi->codec_setup;
- highlevel_encode_setup *hi=&ci->hi;
- int setp=(number&0xf); /* a read request has a low nibble of 0 */
-
- if(setp && hi->set_in_stone)return(OV_EINVAL);
-
- switch(number){
-
- /* now deprecated *****************/
- case OV_ECTL_RATEMANAGE_GET:
- {
-
- struct ovectl_ratemanage_arg *ai=
- (struct ovectl_ratemanage_arg *)arg;
-
- ai->management_active=hi->managed;
- ai->bitrate_hard_window=ai->bitrate_av_window=
- (double)hi->bitrate_reservoir/vi->rate;
- ai->bitrate_av_window_center=1.;
- ai->bitrate_hard_min=hi->bitrate_min;
- ai->bitrate_hard_max=hi->bitrate_max;
- ai->bitrate_av_lo=hi->bitrate_av;
- ai->bitrate_av_hi=hi->bitrate_av;
-
- }
- return(0);
-
- /* now deprecated *****************/
- case OV_ECTL_RATEMANAGE_SET:
- {
- struct ovectl_ratemanage_arg *ai=
- (struct ovectl_ratemanage_arg *)arg;
- if(ai==NULL){
- hi->managed=0;
- }else{
- hi->managed=ai->management_active;
- vorbis_encode_ctl(vi,OV_ECTL_RATEMANAGE_AVG,arg);
- vorbis_encode_ctl(vi,OV_ECTL_RATEMANAGE_HARD,arg);
- }
- }
- return 0;
-
- /* now deprecated *****************/
- case OV_ECTL_RATEMANAGE_AVG:
- {
- struct ovectl_ratemanage_arg *ai=
- (struct ovectl_ratemanage_arg *)arg;
- if(ai==NULL){
- hi->bitrate_av=0;
- }else{
- hi->bitrate_av=(ai->bitrate_av_lo+ai->bitrate_av_hi)*.5;
- }
- }
- return(0);
- /* now deprecated *****************/
- case OV_ECTL_RATEMANAGE_HARD:
- {
- struct ovectl_ratemanage_arg *ai=
- (struct ovectl_ratemanage_arg *)arg;
- if(ai==NULL){
- hi->bitrate_min=0;
- hi->bitrate_max=0;
- }else{
- hi->bitrate_min=ai->bitrate_hard_min;
- hi->bitrate_max=ai->bitrate_hard_max;
- hi->bitrate_reservoir=ai->bitrate_hard_window*
- (hi->bitrate_max+hi->bitrate_min)*.5;
- }
- if(hi->bitrate_reservoir<128.)
- hi->bitrate_reservoir=128.;
- }
- return(0);
-
- /* replacement ratemanage interface */
- case OV_ECTL_RATEMANAGE2_GET:
- {
- struct ovectl_ratemanage2_arg *ai=
- (struct ovectl_ratemanage2_arg *)arg;
- if(ai==NULL)return OV_EINVAL;
-
- ai->management_active=hi->managed;
- ai->bitrate_limit_min_kbps=hi->bitrate_min/1000;
- ai->bitrate_limit_max_kbps=hi->bitrate_max/1000;
- ai->bitrate_average_kbps=hi->bitrate_av/1000;
- ai->bitrate_average_damping=hi->bitrate_av_damp;
- ai->bitrate_limit_reservoir_bits=hi->bitrate_reservoir;
- ai->bitrate_limit_reservoir_bias=hi->bitrate_reservoir_bias;
- }
- return (0);
- case OV_ECTL_RATEMANAGE2_SET:
- {
- struct ovectl_ratemanage2_arg *ai=
- (struct ovectl_ratemanage2_arg *)arg;
- if(ai==NULL){
- hi->managed=0;
- }else{
- /* sanity check; only catch invariant violations */
- if(ai->bitrate_limit_min_kbps>0 &&
- ai->bitrate_average_kbps>0 &&
- ai->bitrate_limit_min_kbps>ai->bitrate_average_kbps)
- return OV_EINVAL;
-
- if(ai->bitrate_limit_max_kbps>0 &&
- ai->bitrate_average_kbps>0 &&
- ai->bitrate_limit_max_kbps<ai->bitrate_average_kbps)
- return OV_EINVAL;
-
- if(ai->bitrate_limit_min_kbps>0 &&
- ai->bitrate_limit_max_kbps>0 &&
- ai->bitrate_limit_min_kbps>ai->bitrate_limit_max_kbps)
- return OV_EINVAL;
-
- if(ai->bitrate_average_damping <= 0.)
- return OV_EINVAL;
-
- if(ai->bitrate_limit_reservoir_bits < 0)
- return OV_EINVAL;
-
- if(ai->bitrate_limit_reservoir_bias < 0.)
- return OV_EINVAL;
-
- if(ai->bitrate_limit_reservoir_bias > 1.)
- return OV_EINVAL;
-
- hi->managed=ai->management_active;
- hi->bitrate_min=ai->bitrate_limit_min_kbps * 1000;
- hi->bitrate_max=ai->bitrate_limit_max_kbps * 1000;
- hi->bitrate_av=ai->bitrate_average_kbps * 1000;
- hi->bitrate_av_damp=ai->bitrate_average_damping;
- hi->bitrate_reservoir=ai->bitrate_limit_reservoir_bits;
- hi->bitrate_reservoir_bias=ai->bitrate_limit_reservoir_bias;
- }
- }
- return 0;
-
- case OV_ECTL_LOWPASS_GET:
- {
- double *farg=(double *)arg;
- *farg=hi->lowpass_kHz;
- }
- return(0);
- case OV_ECTL_LOWPASS_SET:
- {
- double *farg=(double *)arg;
- hi->lowpass_kHz=*farg;
-
- if(hi->lowpass_kHz<2.)hi->lowpass_kHz=2.;
- if(hi->lowpass_kHz>99.)hi->lowpass_kHz=99.;
- hi->lowpass_altered=1;
- }
- return(0);
- case OV_ECTL_IBLOCK_GET:
- {
- double *farg=(double *)arg;
- *farg=hi->impulse_noisetune;
- }
- return(0);
- case OV_ECTL_IBLOCK_SET:
- {
- double *farg=(double *)arg;
- hi->impulse_noisetune=*farg;
-
- if(hi->impulse_noisetune>0.)hi->impulse_noisetune=0.;
- if(hi->impulse_noisetune<-15.)hi->impulse_noisetune=-15.;
- }
- return(0);
- case OV_ECTL_COUPLING_GET:
- {
- int *iarg=(int *)arg;
- *iarg=hi->coupling_p;
- }
- return(0);
- case OV_ECTL_COUPLING_SET:
- {
- const void *new_template;
- double new_base=0.;
- int *iarg=(int *)arg;
- hi->coupling_p=((*iarg)!=0);
-
- /* Fetching a new template can alter the base_setting, which
- many other parameters are based on. Right now, the only
- parameter drawn from the base_setting that can be altered
- by an encctl is the lowpass, so that is explictly flagged
- to not be overwritten when we fetch a new template and
- recompute the dependant settings */
- new_template = get_setup_template(hi->coupling_p?vi->channels:-1,
- vi->rate,
- hi->req,
- hi->managed,
- &new_base);
- if(!hi->setup)return OV_EIMPL;
- hi->setup=new_template;
- hi->base_setting=new_base;
- vorbis_encode_setup_setting(vi,vi->channels,vi->rate);
- }
- return(0);
- }
- return(OV_EIMPL);
- }
- return(OV_EINVAL);
-}