* 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 1994-2002 *
- * by the XIPHOPHORUS Company http://www.xiph.org/ *
+ * 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
- last mod: $Id: vorbisenc.c,v 1.50 2003/12/30 12:44:28 xiphmont Exp $
+ last mod: $Id$
********************************************************************/
with > 12 partition types, or a different division of iteration,
this needs to be updated. */
typedef struct {
- static_codebook *books[12][3];
+ const static_codebook *books[12][4];
} static_bookblock;
typedef struct {
int res_type;
int limit_type; /* 0 lowpass limited, 1 point stereo limited */
- vorbis_info_residue0 *res;
- static_codebook *book_aux;
- static_codebook *book_aux_managed;
- static_bookblock *books_base;
- static_bookblock *books_base_managed;
+ 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 {
- vorbis_info_mapping0 *map;
- vorbis_residue_template *res;
+ const vorbis_info_mapping0 *map;
+ const vorbis_residue_template *res;
} vorbis_mapping_template;
typedef struct vp_adjblock{
float boost;
float decay;
} att3;
-typedef struct { int data[P_NOISECURVES]; } adj3;
+typedef struct { int data[P_NOISECURVES]; } adj3;
typedef struct {
int pre[PACKETBLOBS];
typedef struct {
int mappings;
- double *rate_mapping;
- double *quality_mapping;
+ const double *rate_mapping;
+ const double *quality_mapping;
int coupling_restriction;
long samplerate_min_restriction;
long samplerate_max_restriction;
- int *blocksize_short;
- int *blocksize_long;
+ const int *blocksize_short;
+ const int *blocksize_long;
- att3 *psy_tone_masteratt;
- int *psy_tone_0dB;
- int *psy_tone_dBsuppress;
+ const att3 *psy_tone_masteratt;
+ const int *psy_tone_0dB;
+ const int *psy_tone_dBsuppress;
- vp_adjblock *psy_tone_adj_impulse;
- vp_adjblock *psy_tone_adj_long;
- vp_adjblock *psy_tone_adj_other;
+ const vp_adjblock *psy_tone_adj_impulse;
+ const vp_adjblock *psy_tone_adj_long;
+ const vp_adjblock *psy_tone_adj_other;
- noiseguard *psy_noiseguards;
- noise3 *psy_noise_bias_impulse;
- noise3 *psy_noise_bias_padding;
- noise3 *psy_noise_bias_trans;
- noise3 *psy_noise_bias_long;
- int *psy_noise_dBsuppress;
+ 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;
- compandblock *psy_noise_compand;
- double *psy_noise_compand_short_mapping;
- double *psy_noise_compand_long_mapping;
+ const compandblock *psy_noise_compand;
+ const double *psy_noise_compand_short_mapping;
+ const double *psy_noise_compand_long_mapping;
- int *psy_noise_normal_start[2];
- int *psy_noise_normal_partition[2];
- double *psy_noise_normal_thresh;
+ const int *psy_noise_normal_start[2];
+ const int *psy_noise_normal_partition[2];
+ const double *psy_noise_normal_thresh;
- int *psy_ath_float;
- int *psy_ath_abs;
+ const int *psy_ath_float;
+ const int *psy_ath_abs;
- double *psy_lowpass;
+ const double *psy_lowpass;
- vorbis_info_psy_global *global_params;
- double *global_mapping;
- adj_stereo *stereo_modes;
+ const vorbis_info_psy_global *global_params;
+ const double *global_mapping;
+ const adj_stereo *stereo_modes;
- static_codebook ***floor_books;
- vorbis_info_floor1 *floor_params;
- int *floor_short_mapping;
- int *floor_long_mapping;
+ const static_codebook *const *const *const floor_books;
+ const vorbis_info_floor1 *floor_params;
+ const int floor_mappings;
+ const int **floor_mapping_list;
- vorbis_mapping_template *maps;
+ const vorbis_mapping_template *maps;
} ve_setup_data_template;
/* a few static coder conventions */
-static vorbis_info_mode _mode_template[2]={
+static const vorbis_info_mode _mode_template[2]={
{0,0,0,0},
{1,0,0,1}
};
-static vorbis_info_mapping0 _map_nominal[2]={
+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_22.h"
#include "modes/setup_X.h"
-static ve_setup_data_template *setup_list[]={
+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,
0
};
-static int vorbis_encode_toplevel_setup(vorbis_info *vi,int ch,long rate){
- if(vi && vi->codec_setup){
-
- vi->version=0;
- vi->channels=ch;
- vi->rate=rate;
-
- return(0);
- }
- return(OV_EINVAL);
-}
-
-static void vorbis_encode_floor_setup(vorbis_info *vi,double s,int block,
- static_codebook ***books,
- vorbis_info_floor1 *in,
- int *x){
+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));
- /* fill in the lowpass field, even if it's temporary */
- f->n=ci->blocksizes[block]>>1;
/* books */
{
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;
+ 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++]=books[x[is]][i];
+ ci->book_param[ci->books++]=(static_codebook *)books[x[is]][i];
}
/* for now, we're only using floor 1 */
}
static void vorbis_encode_global_psych_setup(vorbis_info *vi,double s,
- vorbis_info_psy_global *in,
- double *x){
+ 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;
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;
}
static void vorbis_encode_global_stereo(vorbis_info *vi,
- highlevel_encode_setup *hi,
- adj_stereo *p){
+ const highlevel_encode_setup *const hi,
+ const adj_stereo *p){
float s=hi->stereo_point_setting;
int i,is=s;
double ds=s-is;
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];
-
+ 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;
+ 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];
+ 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{
}
static void vorbis_encode_psyset_setup(vorbis_info *vi,double s,
- int *nn_start,
- int *nn_partition,
- double *nn_thresh,
- int block){
+ 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_channel_p=1;
- p->normal_point_p=1;
+ 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,
- att3 *att,
- int *max,
- vp_adjblock *in){
+ 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;
static void vorbis_encode_compand_setup(vorbis_info *vi,double s,int block,
- compandblock *in, double *x){
+ const compandblock *in,
+ const double *x){
int i,is=s;
double ds=s-is;
codec_setup_info *ci=vi->codec_setup;
}
static void vorbis_encode_peak_setup(vorbis_info *vi,double s,int block,
- int *suppress){
+ const int *suppress){
int is=s;
double ds=s-is;
codec_setup_info *ci=vi->codec_setup;
}
static void vorbis_encode_noisebias_setup(vorbis_info *vi,double s,int block,
- int *suppress,
- noise3 *in,
- noiseguard *guard,
- double userbias){
+ 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;
}
-static int book_dup_or_new(codec_setup_info *ci,static_codebook *book){
+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,
- int *shortb,int *longb){
+ 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;
}
static void vorbis_encode_residue_setup(vorbis_info *vi,
- int number, int block,
- vorbis_residue_template *res){
+ int number, int block,
+ const vorbis_residue_template *res){
codec_setup_info *ci=vi->codec_setup;
- int i,n;
-
+ 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;
- switch(ci->blocksizes[block]){
- case 64:case 128:case 256:
- r->grouping=16;
- break;
- default:
- r->grouping=32;
- break;
- }
+ r->grouping=res->grouping;
ci->residue_type[number]=res->res_type;
- /* to be adjusted by lowpass/pointlimit later */
- n=r->end=ci->blocksizes[block]>>1;
- if(res->res_type==2)
- n=r->end*=vi->channels;
-
/* fill in all the books */
{
int booklist=0,k;
-
+
if(ci->hi.managed){
for(i=0;i<r->partitions;i++)
- for(k=0;k<3;k++)
- if(res->books_base_managed->books[i][k])
- r->secondstages[i]|=(1<<k);
+ 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]=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<3;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]=res->books_base_managed->books[i][k];
- }
- }
+ 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<3;k++)
- if(res->books_base->books[i][k])
- r->secondstages[i]|=(1<<k);
-
+ 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]=res->book_aux;
-
+ ci->book_param[r->groupbook]=(static_codebook *)res->book_aux;
+
for(i=0;i<r->partitions;i++){
- for(k=0;k<3;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]=res->books_base->books[i][k];
- }
- }
+ 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.;
double nyq=vi->rate/2.;
long blocksize=ci->blocksizes[block]>>1;
- /* lowpass needs to be set in the floor and the residue. */
+ /* 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;
+ 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. */
- if(res->limit_type){
+ switch(res->limit_type){
+ case 1: /* point stereo limited */
if(ci->hi.managed)
- freq=ci->psy_g_param.coupling_pkHz[PACKETBLOBS-1]*1000.;
+ freq=ci->psy_g_param.coupling_pkHz[PACKETBLOBS-1]*1000.;
else
- freq=ci->psy_g_param.coupling_pkHz[PACKETBLOBS/2]*1000.;
+ 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[block]==2)
- r->end=(int)((freq/nyq*blocksize*2)/r->grouping+.9)* /* round up only if we're well past */
- r->grouping;
- else
+ 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;
+ 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,
- vorbis_mapping_template *maps){
+ const vorbis_mapping_template *maps){
codec_setup_info *ci=vi->codec_setup;
int i,j,is=s,modes=2;
- vorbis_info_mapping0 *map=maps[is].map;
- vorbis_info_mode *mode=_mode_template;
- vorbis_residue_template *res=maps[is].res;
+ 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;
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]);
+ ,res+map[i].residuesubmap[j]);
}
}
int is=hi->base_setting;
double ds=hi->base_setting-is;
int ch=vi->channels;
- double *r=setup->rate_mapping;
+ const double *r=setup->rate_mapping;
if(r==NULL)
return(-1);
-
- return((r[is]*(1.-ds)+r[is+1]*ds)*ch);
+
+ return((r[is]*(1.-ds)+r[is+1]*ds)*ch);
}
-static void get_setup_template(vorbis_info *vi,
- long ch,long srate,
- double req,int q_or_bitrate){
+static const void *get_setup_template(long ch,long srate,
+ double req,int q_or_bitrate,
+ double *base_setting){
int i=0,j;
- codec_setup_info *ci=vi->codec_setup;
- highlevel_encode_setup *hi=&ci->hi;
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;
- 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 */
- hi->setup=setup_list[i];
- if(j==mappings)
- hi->base_setting=j-.001;
- else{
- float low=map[j];
- float high=map[j+1];
- float del=(req-low)/(high-low);
- hi->base_setting=j+del;
- }
-
- return;
+ 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++;
}
-
- hi->setup=NULL;
+
+ return NULL;
}
/* encoders will need to use vorbis_info_init beforehand and call
/* the final setup call */
int vorbis_encode_setup_init(vorbis_info *vi){
- int i0=0,singleblock=0;
+ 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;
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;
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);
+ 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 long floor, it's 0 */
- vorbis_encode_floor_setup(vi,hi->short_setting,0,
- setup->floor_books,
- setup->floor_params,
- setup->floor_short_mapping);
- if(!singleblock)
- vorbis_encode_floor_setup(vi,hi->long_setting,1,
- setup->floor_books,
- setup->floor_params,
- setup->floor_long_mapping);
-
+ 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);
+ 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->short_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->short_setting,
- setup->psy_noise_normal_start[0],
- setup->psy_noise_normal_partition[0],
- setup->psy_noise_normal_thresh,
- 1);
+ 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->long_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->long_setting,
- setup->psy_noise_normal_start[1],
- setup->psy_noise_normal_partition[1],
- setup->psy_noise_normal_thresh,
- 3);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ 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);
+ setup->psy_tone_dBsuppress);
vorbis_encode_peak_setup(vi,hi->block[1].tone_peaklimit_setting,1,
- setup->psy_tone_dBsuppress);
+ setup->psy_tone_dBsuppress);
if(!singleblock){
vorbis_encode_peak_setup(vi,hi->block[2].tone_peaklimit_setting,2,
- setup->psy_tone_dBsuppress);
+ setup->psy_tone_dBsuppress);
vorbis_encode_peak_setup(vi,hi->block[3].tone_peaklimit_setting,3,
- setup->psy_tone_dBsuppress);
+ 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.));
+ 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.);
+ 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.);
+ 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.);
+ setup->psy_noise_dBsuppress,
+ setup->psy_noise_bias_long,
+ setup->psy_noiseguards,0.);
}
vorbis_encode_ath_setup(vi,0);
vorbis_encode_map_n_res_setup(vi,hi->base_setting,setup->maps);
/* set bitrate readonlies and management */
- vi->bitrate_nominal=setting_to_approx_bitrate(vi);
+ 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;
- vi->bitrate_window=(double)hi->bitrate_reservoir/vi->rate;
+ 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.reservoir_bits=hi->bitrate_reservoir;
ci->bi.reservoir_bias=
hi->bitrate_reservoir_bias;
-
+
ci->bi.slew_damp=hi->bitrate_av_damp;
}
return(0);
-
+
}
-static int vorbis_encode_setup_setting(vorbis_info *vi,
- long channels,
- long rate){
- int ret=0,i,is;
+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;
- ve_setup_data_template *setup=hi->setup;
+ const ve_setup_data_template *setup=hi->setup;
double ds;
- ret=vorbis_encode_toplevel_setup(vi,channels,rate);
- if(ret)return(ret);
+ 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->short_setting=hi->base_setting;
- hi->long_setting=hi->base_setting;
-
- hi->managed=0;
+ hi->stereo_point_setting=hi->base_setting;
- hi->impulse_block_p=1;
- hi->noise_normalize_p=1;
+ if(!hi->lowpass_altered)
+ hi->lowpass_kHz=
+ setup->psy_lowpass[is]*(1.-ds)+setup->psy_lowpass[is+1]*ds;
- hi->stereo_point_setting=hi->base_setting;
- 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)+
hi->block[i].noise_bias_setting=hi->base_setting;
hi->block[i].noise_compand_setting=hi->base_setting;
}
-
- return(ret);
}
int vorbis_encode_setup_vbr(vorbis_info *vi,
- long channels,
- long rate,
- float quality){
- codec_setup_info *ci=vi->codec_setup;
- highlevel_encode_setup *hi=&ci->hi;
+ 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;
- get_setup_template(vi,channels,rate,quality,0);
+ hi->req=quality;
+ hi->setup=get_setup_template(channels,rate,quality,0,&hi->base_setting);
if(!hi->setup)return OV_EIMPL;
-
- return vorbis_encode_setup_setting(vi,channels,rate);
+
+ 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. */
- ){
+ 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;
+ return ret;
}
ret=vorbis_encode_setup_init(vi);
if(ret)
}
int vorbis_encode_setup_managed(vorbis_info *vi,
- long channels,
- long rate,
-
- long max_bitrate,
- long nominal_bitrate,
- long min_bitrate){
+ long channels,
+ long rate,
- codec_setup_info *ci=vi->codec_setup;
- highlevel_encode_setup *hi=&ci->hi;
- double tnominal=nominal_bitrate;
- int ret=0;
+ 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;
+ nominal_bitrate=(max_bitrate+min_bitrate)*.5;
else
- nominal_bitrate=max_bitrate*.875;
+ nominal_bitrate=max_bitrate*.875;
}else{
if(min_bitrate>0.){
- nominal_bitrate=min_bitrate;
+ nominal_bitrate=min_bitrate;
}else{
- return(OV_EINVAL);
+ return(OV_EINVAL);
}
}
}
- get_setup_template(vi,channels,rate,nominal_bitrate,1);
+ hi->req=nominal_bitrate;
+ hi->setup=get_setup_template(channels,rate,nominal_bitrate,1,&hi->base_setting);
if(!hi->setup)return OV_EIMPL;
-
- ret=vorbis_encode_setup_setting(vi,channels,rate);
- if(ret){
- vorbis_info_clear(vi);
- return ret;
- }
+
+ 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_reservoir=nominal_bitrate*2;
hi->bitrate_reservoir_bias=.1; /* bias toward hoarding bits */
- return(ret);
+ return(0);
}
int vorbis_encode_init(vorbis_info *vi,
- long channels,
- long rate,
+ long channels,
+ long rate,
- long max_bitrate,
- long nominal_bitrate,
- long min_bitrate){
+ long max_bitrate,
+ long nominal_bitrate,
+ long min_bitrate){
int ret=vorbis_encode_setup_managed(vi,channels,rate,
- max_bitrate,
- nominal_bitrate,
- min_bitrate);
+ max_bitrate,
+ nominal_bitrate,
+ min_bitrate);
if(ret){
vorbis_info_clear(vi);
return(ret);
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;
-
+
+ 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);
- }
+ 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;
- }
+ 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.;
- }
+ 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;
- ai->bitrate_limit_max_kbps=hi->bitrate_max;
- ai->bitrate_average_kbps=hi->bitrate_av;
- 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;
+ 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;
- hi->bitrate_max=ai->bitrate_limit_max_kbps;
- hi->bitrate_av=ai->bitrate_average_kbps;
- 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;
- }
+ 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;
+ double *farg=(double *)arg;
+ *farg=hi->lowpass_kHz;
}
return(0);
case OV_ECTL_LOWPASS_SET:
{
- double *farg=(double *)arg;
- hi->lowpass_kHz=*farg;
+ 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.;
+ 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;
+ double *farg=(double *)arg;
+ *farg=hi->impulse_noisetune;
}
return(0);
case OV_ECTL_IBLOCK_SET:
{
- double *farg=(double *)arg;
- hi->impulse_noisetune=*farg;
+ 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.;
+ 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);
+ 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);
projects / platform / upstream / libvorbis.git / blobdiff