int note_init(struct note_t *self_p,
int note,
int32_t *waveform_p,
size_t length,
float frequency,
float vibrato,
long attack,
long decay,
long release,
int sample_rate)
{
self_p->note = note;
oscillator_init(&self_p->oscillator,
waveform_p,
length,
frequency,
vibrato,
sample_rate);
return (envelope_init(&self_p->envelope,
attack,
decay,
release));
}
vorbis_packet_t *vorbis_packet_init(uint16_t *blocksize, uint8_t nb_chan){
vorbis_pkt_cache_t *packet = malloc(sizeof(vorbis_pkt_cache_t));
if(packet == NULL)
return NULL;
packet->base.nb_chan = nb_chan;
packet->base.size = blocksize[1];
packet->init = 0;
//Init filter
packet->filter = calloc(blocksize[1],sizeof(sample_t));
//Init envelope
packet->envelope = envelope_init(blocksize);
//Init packet cache
packet->cache = malloc(nb_chan * sizeof(sample_t*));
if(packet->cache == NULL)
return NULL;
for(uint32_t i=0;i<nb_chan;i++){
packet->cache[i] = malloc(blocksize[1] * sizeof(sample_t));
if(packet->cache[i] == NULL)
return NULL;
for(uint32_t j=0;j<blocksize[1];j++)
packet->cache[i][j] = 0;
}
//Dec_residues
packet->base.dec_residues = malloc(nb_chan * sizeof(sample_t*));
if(packet->base.dec_residues == NULL)
return NULL;
packet->base.dec_residues[0] = malloc(nb_chan * (blocksize[1]/2) * sizeof(sample_t));
if(packet->base.dec_residues[0] == NULL)
return NULL;
for(uint8_t i=1;i<nb_chan;i++){
packet->base.dec_residues[i] = malloc( blocksize[1]/2 * sizeof(sample_t));
if(packet->base.dec_residues[i] == NULL)
return NULL;
}
//do not decode
packet->base.do_not_decode = malloc(nb_chan * sizeof(uint8_t));
if(packet->base.do_not_decode == NULL)
return NULL;
//no residue
packet->base.no_residue = malloc(nb_chan * sizeof(uint8_t));
if(packet->base.no_residue == NULL)
return NULL;
//pcm
packet->base.pcm = malloc(nb_chan * sizeof(int16_t*));
if(packet->base.pcm == NULL)
return NULL;
for(uint8_t i=0;i<nb_chan;i++){
packet->base.pcm[i] = malloc( blocksize[1] * sizeof(int16_t));
if(packet->base.pcm[i] == NULL)
return NULL;
}
//residues
packet->base.residues = malloc(nb_chan * sizeof(sample_t*));
if(packet->base.residues == NULL)
return NULL;
//spectral
packet->base.spectral = malloc(nb_chan * sizeof(sample_t*));
if(packet->base.spectral == NULL)
return NULL;
for(uint8_t i=0;i<nb_chan;i++){
packet->base.spectral[i] = malloc( blocksize[1]/2 * sizeof(sample_t));
if(packet->base.spectral[i] == NULL)
return NULL;
}
//temporal
packet->base.temporal = malloc(nb_chan * sizeof(sample_t*));
if(packet->base.temporal == NULL)
return NULL;
for(uint8_t i=0;i<nb_chan;i++){
packet->base.temporal[i] = malloc( blocksize[1] * sizeof(sample_t));
if(packet->base.temporal[i] == NULL)
return NULL;
}
return (vorbis_packet_t*)packet;
}
