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Diffstat (limited to 'vorbis/lib/analysis.c')
-rw-r--r-- | vorbis/lib/analysis.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/vorbis/lib/analysis.c b/vorbis/lib/analysis.c deleted file mode 100644 index 0e11a16..0000000 --- a/vorbis/lib/analysis.c +++ /dev/null @@ -1,119 +0,0 @@ -/******************************************************************** - * * - * THIS FILE IS PART OF THE OggVorbis SOFTWARE CODEC SOURCE CODE. * - * USE, DISTRIBUTION AND REPRODUCTION OF THIS LIBRARY SOURCE IS * - * GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE * - * IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. * - * * - * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 * - * by the Xiph.Org Foundation http://www.xiph.org/ * - * * - ******************************************************************** - - function: single-block PCM analysis mode dispatch - - ********************************************************************/ - -#include <stdio.h> -#include <string.h> -#include <math.h> -#include <ogg/ogg.h> -#include "vorbis/codec.h" -#include "codec_internal.h" -#include "registry.h" -#include "scales.h" -#include "os.h" -#include "misc.h" - -/* decides between modes, dispatches to the appropriate mapping. */ -int vorbis_analysis(vorbis_block *vb, ogg_packet *op){ - int ret,i; - vorbis_block_internal *vbi=vb->internal; - - vb->glue_bits=0; - vb->time_bits=0; - vb->floor_bits=0; - vb->res_bits=0; - - /* first things first. Make sure encode is ready */ - for(i=0;i<PACKETBLOBS;i++) - oggpack_reset(vbi->packetblob[i]); - - /* we only have one mapping type (0), and we let the mapping code - itself figure out what soft mode to use. This allows easier - bitrate management */ - - if((ret=_mapping_P[0]->forward(vb))) - return(ret); - - if(op){ - if(vorbis_bitrate_managed(vb)) - /* The app is using a bitmanaged mode... but not using the - bitrate management interface. */ - return(OV_EINVAL); - - op->packet=oggpack_get_buffer(&vb->opb); - op->bytes=oggpack_bytes(&vb->opb); - op->b_o_s=0; - op->e_o_s=vb->eofflag; - op->granulepos=vb->granulepos; - op->packetno=vb->sequence; /* for sake of completeness */ - } - return(0); -} - -#ifdef ANALYSIS -int analysis_noisy=1; - -/* there was no great place to put this.... */ -void _analysis_output_always(char *base,int i,float *v,int n,int bark,int dB,ogg_int64_t off){ - int j; - FILE *of; - char buffer[80]; - - sprintf(buffer,"%s_%d.m",base,i); - of=fopen(buffer,"w"); - - if(!of)perror("failed to open data dump file"); - - for(j=0;j<n;j++){ - if(bark){ - float b=toBARK((4000.f*j/n)+.25); - fprintf(of,"%f ",b); - }else - if(off!=0) - fprintf(of,"%f ",(double)(j+off)/8000.); - else - fprintf(of,"%f ",(double)j); - - if(dB){ - float val; - if(v[j]==0.) - val=-140.; - else - val=todB(v+j); - fprintf(of,"%f\n",val); - }else{ - fprintf(of,"%f\n",v[j]); - } - } - fclose(of); -} - -void _analysis_output(char *base,int i,float *v,int n,int bark,int dB, - ogg_int64_t off){ - if(analysis_noisy)_analysis_output_always(base,i,v,n,bark,dB,off); -} - -#endif - - - - - - - - - - - |