C++ (Cpp) opus_multistream_encoder_get_size Beispiele

Beispiel #1

Datei: opus_multistream.c Projekt: mehulsbhatt/vock

OpusMSEncoder *opus_multistream_encoder_create(
      opus_int32 Fs,
      int channels,
      int streams,
      int coupled_streams,
      const unsigned char *mapping,
      int application,
      int *error
)
{
   int ret;
   OpusMSEncoder *st = (OpusMSEncoder *)opus_alloc(opus_multistream_encoder_get_size(streams, coupled_streams));
   if (st==NULL)
   {
      if (error)
         *error = OPUS_ALLOC_FAIL;
      return NULL;
   }
   ret = opus_multistream_encoder_init(st, Fs, channels, streams, coupled_streams, mapping, application);
   if (ret != OPUS_OK)
   {
      opus_free(st);
      st = NULL;
   }
   if (error)
      *error = ret;
   return st;
}

Beispiel #2

Datei: opus_multistream_encoder.c Projekt: bear101/opus

opus_int32 opus_multistream_surround_encoder_get_size(int channels, int mapping_family)
{
   int nb_streams;
   int nb_coupled_streams;
   opus_int32 size;

   if (mapping_family==0)
   {
      if (channels==1)
      {
         nb_streams=1;
         nb_coupled_streams=0;
      } else if (channels==2)
      {
         nb_streams=1;
         nb_coupled_streams=1;
      } else
         return 0;
   } else if (mapping_family==1 && channels<=8 && channels>=1)
   {
      nb_streams=vorbis_mappings[channels-1].nb_streams;
      nb_coupled_streams=vorbis_mappings[channels-1].nb_coupled_streams;
   } else if (mapping_family==255)
   {
      nb_streams=channels;
      nb_coupled_streams=0;
#ifdef ENABLE_EXPERIMENTAL_AMBISONICS
   } else if (mapping_family==254)
   {
      nb_streams=channels;
      nb_coupled_streams=0;
#endif
   } else
      return 0;
   size = opus_multistream_encoder_get_size(nb_streams, nb_coupled_streams);
   if (channels>2)
   {
      size += channels*(120*sizeof(opus_val32) + sizeof(opus_val32));
   }
   return size;
}