/********************************************************************
* *
- * THIS FILE IS PART OF THE Ogg Vorbis SOFTWARE CODEC SOURCE CODE. *
- * USE, DISTRIBUTION AND REPRODUCTION OF THIS SOURCE IS GOVERNED BY *
- * THE GNU PUBLIC LICENSE 2, WHICH IS INCLUDED WITH THIS SOURCE. *
- * PLEASE READ THESE TERMS DISTRIBUTING. *
+ * 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 OggSQUISH SOURCE CODE IS (C) COPYRIGHT 1994-2000 *
- * by Monty <monty@xiph.org> and The XIPHOPHORUS Company *
- * http://www.xiph.org/ *
+ * THE OggVorbis SOURCE CODE IS (C) COPYRIGHT 1994-2007 *
+ * by the Xiph.Org Foundation https://xiph.org/ *
* *
********************************************************************
function: single-block PCM analysis mode dispatch
- last mod: $Id: analysis.c,v 1.31 2000/07/12 09:36:17 xiphmont Exp $
********************************************************************/
#include <stdio.h>
#include <string.h>
#include <math.h>
+#include <ogg/ogg.h>
#include "vorbis/codec.h"
-#include "bitwise.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){
- vorbis_dsp_state *vd=vb->vd;
- vorbis_info *vi=vd->vi;
- int type;
- int mode=0;
+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->res_bits=0;
/* first things first. Make sure encode is ready */
- _oggpack_reset(&vb->opb);
- /* Encode the packet type */
- _oggpack_write(&vb->opb,0,1);
-
- /* currently lazy. Short block dispatches to 0, long to 1. */
-
- if(vb->W &&vi->modes>1)mode=1;
- type=vi->map_type[vi->mode_param[mode]->mapping];
- vb->mode=mode;
-
- /* Encode frame mode, pre,post windowsize, then dispatch */
- _oggpack_write(&vb->opb,mode,vd->modebits);
- if(vb->W){
- _oggpack_write(&vb->opb,vb->lW,1);
- _oggpack_write(&vb->opb,vb->nW,1);
- fprintf(stderr,"*");
- }else{
- fprintf(stderr,".");
+ 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 */
}
-
- if(_mapping_P[type]->forward(vb,vd->mode[mode]))
- return(-1);
-
- /* set up the packet wrapper */
-
- op->packet=_oggpack_buffer(&vb->opb);
- op->bytes=_oggpack_bytes(&vb->opb);
- op->b_o_s=0;
- op->e_o_s=vb->eofflag;
- op->frameno=vb->frameno;
- op->packetno=vb->sequence; /* for sake of completeness */
-
return(0);
}
-/* there was no great place to put this.... */
-void _analysis_output(char *base,int i,double *v,int n,int bark,int dB){
#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(dB && v[j]==0)
- fprintf(of,"\n\n");
- else{
- if(bark)
- fprintf(of,"%g ",toBARK(22050.*j/n));
+ 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
- fprintf(of,"%g ",(double)j);
-
- if(dB){
- fprintf(of,"%g\n",todB(fabs(v[j])));
- }else{
- fprintf(of,"%g\n",v[j]);
- }
+ val=todB(v+j);
+ fprintf(of,"%f\n",val);
+ }else{
+ fprintf(of,"%f\n",v[j]);
}
}
fclose(of);
-#endif
}
+
+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
+
+
+
+
+
+
+
+
+
+
+
projects / platform / upstream / libvorbis.git / blobdiff