mirror of
https://github.com/TorqueGameEngines/Torque3D.git
synced 2026-02-03 03:21:00 +00:00
a745fc3757
added libraries: opus flac libsndfile updated: libvorbis libogg openal - Everything works as expected for now. Bare in mind libsndfile needed the check for whether or not it could find the xiph libraries removed in order for this to work.
120 lines
3 KiB
C
120 lines
3 KiB
C
/********************************************************************
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* *
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* THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. *
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* USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS *
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* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
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* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
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* *
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* THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
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* by the Xiph.Org Foundation https://xiph.org/ *
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* *
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********************************************************************
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function: single-block PCM analysis mode dispatch
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********************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include <math.h>
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#include <ogg/ogg.h>
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#include "vorbis/codec.h"
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#include "codec_internal.h"
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#include "registry.h"
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#include "scales.h"
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#include "os.h"
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#include "misc.h"
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/* decides between modes, dispatches to the appropriate mapping. */
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int vorbis_analysis(vorbis_block *vb, ogg_packet *op){
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int ret,i;
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vorbis_block_internal *vbi=vb->internal;
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vb->glue_bits=0;
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vb->time_bits=0;
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vb->floor_bits=0;
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vb->res_bits=0;
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/* first things first. Make sure encode is ready */
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for(i=0;i<PACKETBLOBS;i++)
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oggpack_reset(vbi->packetblob[i]);
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/* we only have one mapping type (0), and we let the mapping code
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itself figure out what soft mode to use. This allows easier
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bitrate management */
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if((ret=_mapping_P[0]->forward(vb)))
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return(ret);
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if(op){
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if(vorbis_bitrate_managed(vb))
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/* The app is using a bitmanaged mode... but not using the
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bitrate management interface. */
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return(OV_EINVAL);
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op->packet=oggpack_get_buffer(&vb->opb);
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op->bytes=oggpack_bytes(&vb->opb);
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op->b_o_s=0;
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op->e_o_s=vb->eofflag;
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op->granulepos=vb->granulepos;
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op->packetno=vb->sequence; /* for sake of completeness */
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}
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return(0);
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}
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#ifdef ANALYSIS
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int analysis_noisy=1;
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/* there was no great place to put this.... */
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void _analysis_output_always(char *base,int i,float *v,int n,int bark,int dB,ogg_int64_t off){
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int j;
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FILE *of;
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char buffer[80];
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sprintf(buffer,"%s_%d.m",base,i);
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of=fopen(buffer,"w");
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if(!of)perror("failed to open data dump file");
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for(j=0;j<n;j++){
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if(bark){
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float b=toBARK((4000.f*j/n)+.25);
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fprintf(of,"%f ",b);
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}else
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if(off!=0)
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fprintf(of,"%f ",(double)(j+off)/8000.);
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else
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fprintf(of,"%f ",(double)j);
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if(dB){
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float val;
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if(v[j]==0.)
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val=-140.;
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else
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val=todB(v+j);
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fprintf(of,"%f\n",val);
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}else{
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fprintf(of,"%f\n",v[j]);
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}
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}
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fclose(of);
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}
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void _analysis_output(char *base,int i,float *v,int n,int bark,int dB,
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ogg_int64_t off){
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if(analysis_noisy)_analysis_output_always(base,i,v,n,bark,dB,off);
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}
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#endif
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