C++ (Cpp) mapping0_free_info Exemples

Exemple #1

Fichier : mapping0.c Projet : gpeev/Konsolenradio

/* also responsible for range checking */
static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb){
  int i;
  vorbis_info_mapping0 *info=_ogg_calloc(1,sizeof(*info));
  codec_setup_info     *ci=vi->codec_setup;
  memset(info,0,sizeof(*info));

  if(oggpack_read(opb,1))
    info->submaps=oggpack_read(opb,4)+1;
  else
    info->submaps=1;

  if(oggpack_read(opb,1)){
    info->coupling_steps=oggpack_read(opb,8)+1;

    for(i=0;i<info->coupling_steps;i++){
      int testM=info->coupling_mag[i]=oggpack_read(opb,ilog(vi->channels));
      int testA=info->coupling_ang[i]=oggpack_read(opb,ilog(vi->channels));

      if(testM<0 || 
	 testA<0 || 
	 testM==testA || 
	 testM>=vi->channels ||
	 testA>=vi->channels) goto err_out;
    }

  }

  if(oggpack_read(opb,2)>0)goto err_out; /* 2,3:reserved */
    
  if(info->submaps>1){
    for(i=0;i<vi->channels;i++){
      info->chmuxlist[i]=oggpack_read(opb,4);
      if(info->chmuxlist[i]>=info->submaps)goto err_out;
    }
  }
  for(i=0;i<info->submaps;i++){
    oggpack_read(opb,8); /* time submap unused */
    info->floorsubmap[i]=oggpack_read(opb,8);
    if(info->floorsubmap[i]>=ci->floors)goto err_out;
    info->residuesubmap[i]=oggpack_read(opb,8);
    if(info->residuesubmap[i]>=ci->residues)goto err_out;
  }

  return info;

 err_out:
  mapping0_free_info(info);
  return(NULL);
}

Exemple #2

Fichier : MAPPING0.C Projet : en-vorobiov/mpxplay

static vorbis_info_mapping *mapping0_unpack(vorbis_info *vi,oggpack_buffer *opb)
{
 int i;
 vorbis_info_mapping0 *info=_ogg_calloc(1,sizeof(*info));
 codec_setup_info     *ci=vi->codec_setup;

 if(!info)
  goto err_out;

 _ogg_memset(info,0,sizeof(*info));

 if(oggpack_read1(opb))
  info->submaps=oggpack_read24(opb,4)+1;
 else
  info->submaps=1;

 if(oggpack_read1(opb)){
  info->coupling_steps=oggpack_read24(opb,8)+1;

  info->coupling_mag=_ogg_malloc(sizeof(*info->coupling_mag)*info->coupling_steps);
  info->coupling_ang=_ogg_malloc(sizeof(*info->coupling_ang)*info->coupling_steps);
  if(!info->coupling_mag || !info->coupling_ang)
   goto err_out;

  for(i=0;i<info->coupling_steps;i++){
   int testM=info->coupling_mag[i]=oggpack_read24(opb,ilog(vi->channels));
   int testA=info->coupling_ang[i]=oggpack_read24(opb,ilog(vi->channels));

   if(testM<0 || testA<0 || testM==testA || testM>=vi->channels || testA>=vi->channels)
    goto err_out;
  }
 }

 if(oggpack_read24(opb,2)!=0)
  goto err_out;

 info->chmuxlist=_ogg_calloc(vi->channels,sizeof(*info->chmuxlist));
 if(!info->chmuxlist)
  goto err_out;

 if(info->submaps>1){
  for(i=0;i<vi->channels;i++){
   info->chmuxlist[i]=oggpack_read24(opb,4);
   if(info->chmuxlist[i]>=info->submaps)
    goto err_out;
  }
 }

 info->floorsubmap=_ogg_malloc(sizeof(*info->floorsubmap)*info->submaps);
 info->residuesubmap=_ogg_malloc(sizeof(*info->residuesubmap)*info->submaps);
 if(!info->floorsubmap || !info->residuesubmap)
  goto err_out;

 for(i=0;i<info->submaps;i++){
  oggpack_adv(opb,8);
  info->floorsubmap[i]=oggpack_read24(opb,8);
  if(info->floorsubmap[i]>=ci->floors)
   goto err_out;
  info->residuesubmap[i]=oggpack_read24(opb,8);
  if(info->residuesubmap[i]>=ci->residues)
   goto err_out;
 }

 info->pcmbundle =_ogg_malloc(sizeof(*info->pcmbundle)*vi->channels);
 info->nonzero   =_ogg_malloc(sizeof(*info->nonzero)*vi->channels);
 info->floormemo =_ogg_malloc(sizeof(*info->floormemo)*vi->channels);
 if(!info->pcmbundle || !info->nonzero || !info->floormemo)
  goto err_out;

 return info;

err_out:
 mapping0_free_info(info);
 return(NULL);
}