int BURGERCALL vorbis_analysis_headerout(vorbis_dsp_state *v,
vorbis_comment *vc,
ogg_packet *op,
ogg_packet *op_comm,
ogg_packet *op_code){
int ret=OV_EIMPL;
vorbis_info *vi=v->vi;
oggpack_buffer opb;
backend_lookup_state *b=static_cast<backend_lookup_state *>(v->backend_state);
if(!b){
ret=OV_EFAULT;
goto err_out;
}
/* first header packet **********************************************/
oggpack_writeinit(&opb);
if(_vorbis_pack_info(&opb,vi))goto err_out;
/* build the packet */
if(b->header)DeallocAPointer(b->header);
b->header=static_cast<Word8 *>(AllocAPointer(oggpack_bytes(&opb)));
FastMemCpy(b->header,opb.buffer,oggpack_bytes(&opb));
op->packet=b->header;
op->bytes=oggpack_bytes(&opb);
op->b_o_s=1;
op->e_o_s=0;
op->granulepos=0;
/* second header packet (comments) **********************************/
oggpack_reset(&opb);
if(_vorbis_pack_comment(&opb,vc))goto err_out;
if(b->header1)DeallocAPointer(b->header1);
b->header1=static_cast<Word8 *>(AllocAPointer(oggpack_bytes(&opb)));
FastMemCpy(b->header1,opb.buffer,oggpack_bytes(&opb));
op_comm->packet=b->header1;
op_comm->bytes=oggpack_bytes(&opb);
op_comm->b_o_s=0;
op_comm->e_o_s=0;
op_comm->granulepos=0;
/* third header packet (modes/codebooks) ****************************/
oggpack_reset(&opb);
if(_vorbis_pack_books(&opb,vi))goto err_out;
if(b->header2)DeallocAPointer(b->header2);
b->header2=static_cast<Word8 *>(AllocAPointer(oggpack_bytes(&opb)));
FastMemCpy(b->header2,opb.buffer,oggpack_bytes(&opb));
op_code->packet=b->header2;
op_code->bytes=oggpack_bytes(&opb);
op_code->b_o_s=0;
op_code->e_o_s=0;
op_code->granulepos=0;
oggpack_writeclear(&opb);
return(0);
err_out:
oggpack_writeclear(&opb);
FastMemSet(op,0,sizeof(*op));
FastMemSet(op_comm,0,sizeof(*op_comm));
FastMemSet(op_code,0,sizeof(*op_code));
if(b->header)DeallocAPointer(b->header);
if(b->header1)DeallocAPointer(b->header1);
if(b->header2)DeallocAPointer(b->header2);
b->header=NULL;
b->header1=NULL;
b->header2=NULL;
return(ret);
}
int vorbis_analysis_headerout(vorbis_dsp_state *v,
vorbis_comment *vc,
ogg_packet *op,
ogg_packet *op_comm,
ogg_packet *op_code){
int ret=OV_EIMPL;
vorbis_info *vi=v->vi;
oggpack_buffer opb;
private_state *b=v->backend_state;
if(!b){
ret=OV_EFAULT;
goto err_out;
}
/* first header packet **********************************************/
oggpack_writeinit(&opb);
if(_vorbis_pack_info(&opb,vi))goto err_out;
/* build the packet */
if(b->header)_ogg_free(b->header);
b->header=_ogg_malloc(oggpack_bytes(&opb));
memcpy(b->header,opb.buffer,oggpack_bytes(&opb));
op->packet=b->header;
op->bytes=oggpack_bytes(&opb);
op->b_o_s=1;
op->e_o_s=0;
op->granulepos=0;
op->packetno=0;
/* second header packet (comments) **********************************/
oggpack_reset(&opb);
if(_vorbis_pack_comment(&opb,vc))goto err_out;
if(b->header1)_ogg_free(b->header1);
b->header1=_ogg_malloc(oggpack_bytes(&opb));
memcpy(b->header1,opb.buffer,oggpack_bytes(&opb));
op_comm->packet=b->header1;
op_comm->bytes=oggpack_bytes(&opb);
op_comm->b_o_s=0;
op_comm->e_o_s=0;
op_comm->granulepos=0;
op_comm->packetno=1;
/* third header packet (modes/codebooks) ****************************/
oggpack_reset(&opb);
if(_vorbis_pack_books(&opb,vi))goto err_out;
if(b->header2)_ogg_free(b->header2);
b->header2=_ogg_malloc(oggpack_bytes(&opb));
memcpy(b->header2,opb.buffer,oggpack_bytes(&opb));
op_code->packet=b->header2;
op_code->bytes=oggpack_bytes(&opb);
op_code->b_o_s=0;
op_code->e_o_s=0;
op_code->granulepos=0;
op_code->packetno=2;
oggpack_writeclear(&opb);
return(0);
err_out:
memset(op,0,sizeof(*op));
memset(op_comm,0,sizeof(*op_comm));
memset(op_code,0,sizeof(*op_code));
if(b){
oggpack_writeclear(&opb);
if(b->header)_ogg_free(b->header);
if(b->header1)_ogg_free(b->header1);
if(b->header2)_ogg_free(b->header2);
b->header=NULL;
b->header1=NULL;
b->header2=NULL;
}
return(ret);
}
