46 int vorbis_dsp_restart(vorbis_dsp_state *v){  in vorbis_dsp_restart()  argument
47   if(!v)return -1;  in vorbis_dsp_restart()
49     vorbis_info *vi=v->vi;  in vorbis_dsp_restart()
56     v->out_end=-1;  in vorbis_dsp_restart()
57     v->out_begin=-1;  in vorbis_dsp_restart()
59     v->granulepos=-1;  in vorbis_dsp_restart()
60     v->sequence=-1;  in vorbis_dsp_restart()
61     v->sample_count=-1;  in vorbis_dsp_restart()
66 int vorbis_dsp_init(vorbis_dsp_state *v,vorbis_info *vi){  in vorbis_dsp_init()  argument
71   v->vi=vi;  in vorbis_dsp_init()
73   v->work=(ogg_int32_t **)_ogg_malloc(vi->channels*sizeof(*v->work));  in vorbis_dsp_init()
74   v->mdctright=(ogg_int32_t **)_ogg_malloc(vi->channels*sizeof(*v->mdctright));  in vorbis_dsp_init()
76     v->work[i]=(ogg_int32_t *)_ogg_calloc(1,(ci->blocksizes[1]>>1)*  in vorbis_dsp_init()
77 					  sizeof(*v->work[i]));  in vorbis_dsp_init()
78     v->mdctright[i]=(ogg_int32_t *)_ogg_calloc(1,(ci->blocksizes[1]>>2)*  in vorbis_dsp_init()
79 					       sizeof(*v->mdctright[i]));  in vorbis_dsp_init()
82   v->lW=0; /* previous window size */  in vorbis_dsp_init()
83   v->W=0;  /* current window size */  in vorbis_dsp_init()
85   vorbis_dsp_restart(v);  in vorbis_dsp_init()
90   vorbis_dsp_state *v=_ogg_calloc(1,sizeof(*v));  in vorbis_dsp_create()  local
91   vorbis_dsp_init(v,vi);  in vorbis_dsp_create()
92   return v;  in vorbis_dsp_create()
95 void vorbis_dsp_clear(vorbis_dsp_state *v){  in vorbis_dsp_clear()  argument
97   if(v){  in vorbis_dsp_clear()
98     vorbis_info *vi=v->vi;  in vorbis_dsp_clear()
100     if(v->work){  in vorbis_dsp_clear()
102         if(v->work[i])_ogg_free(v->work[i]);  in vorbis_dsp_clear()
103       _ogg_free(v->work);  in vorbis_dsp_clear()
105     if(v->mdctright){  in vorbis_dsp_clear()
107         if(v->mdctright[i])_ogg_free(v->mdctright[i]);  in vorbis_dsp_clear()
108       _ogg_free(v->mdctright);  in vorbis_dsp_clear()
113 void vorbis_dsp_destroy(vorbis_dsp_state *v){  in vorbis_dsp_destroy()  argument
114   vorbis_dsp_clear(v);  in vorbis_dsp_destroy()
115   _ogg_free(v);  in vorbis_dsp_destroy()
144 int vorbis_dsp_pcmout(vorbis_dsp_state *v,ogg_int16_t *pcm,int samples){  in vorbis_dsp_pcmout()  argument
145   vorbis_info *vi=v->vi;  in vorbis_dsp_pcmout()
147   if(v->out_begin>-1 && v->out_begin<v->out_end){  in vorbis_dsp_pcmout()
148     int n=v->out_end-v->out_begin;  in vorbis_dsp_pcmout()
154 			v->lW,v->W,v->work[i],v->mdctright[i],  in vorbis_dsp_pcmout()
158 			v->out_begin,v->out_begin+n);  in vorbis_dsp_pcmout()
165 int vorbis_dsp_read(vorbis_dsp_state *v,int s){  in vorbis_dsp_read()  argument
166   if(s && v->out_begin+s>v->out_end)return(OV_EINVAL);  in vorbis_dsp_read()
167   v->out_begin+=s;  in vorbis_dsp_read()
176   int v=ci->modes;  in vorbis_packet_blocksize()  local
186   while(v>1){  in vorbis_packet_blocksize()
188     v>>=1;  in vorbis_packet_blocksize()
198 static int ilog(ogg_uint32_t v){  in ilog()  argument
200   if(v)--v;  in ilog()
201   while(v){  in ilog()
203     v>>=1;  in ilog()