46   vorbis_block vb;  member
106   priv_t * vb = (priv_t *) ft->priv;  in startread()  local
119   vb->vf = lsx_malloc(sizeof(OggVorbis_File));  in startread()
122   if (ov_open_callbacks(ft, vb->vf, NULL, (size_t) 0, callbacks) < 0) {  in startread()
128   vi = ov_info(vb->vf, -1);  in startread()
129   vc = ov_comment(vb->vf, -1);  in startread()
141     ft->signal.length = ov_pcm_total(vb->vf, -1) * ft->signal.channels;  in startread()
148   vb->buf_len = DEF_BUF_LEN;  in startread()
149   vb->buf_len -= vb->buf_len % (vi->channels*2); /* 2 bytes per sample */  in startread()
150   vb->buf = lsx_calloc(vb->buf_len, sizeof(char));  in startread()
151   vb->start = vb->end = 0;  in startread()
154   vb->eof = 0;  in startread()
155   vb->current_section = -1;  in startread()
164 static int refill_buffer(priv_t * vb)  in refill_buffer()  argument
168   if (vb->start == vb->end)     /* Samples all played */  in refill_buffer()
169     vb->start = vb->end = 0;  in refill_buffer()
171   while (vb->end < vb->buf_len) {  in refill_buffer()
172     num_read = ov_read(vb->vf, vb->buf + vb->end,  in refill_buffer()
173         (int) (vb->buf_len - vb->end), 0, 2, 1, &vb->current_section);  in refill_buffer()
181       vb->end += num_read;  in refill_buffer()
196   priv_t * vb = (priv_t *) ft->priv;  in read_samples()  local
203     if (vb->start == vb->end) {  in read_samples()
204       if (vb->eof)  in read_samples()
206       ret = refill_buffer(vb);  in read_samples()
208         vb->eof = 1;  in read_samples()
209         if (vb->end == 0)  in read_samples()
214     l = (vb->buf[vb->start + 1] << 24)  in read_samples()
215         | (0xffffff & (vb->buf[vb->start] << 16));  in read_samples()
217     vb->start += 2;  in read_samples()
228   priv_t * vb = (priv_t *) ft->priv;  in stopread()  local
230   free(vb->buf);  in stopread()
231   ov_clear(vb->vf);  in stopread()
296   priv_t * vb = (priv_t *) ft->priv;  in startwrite()  local
304   ve = vb->vorbis_enc_data = lsx_malloc(sizeof(vorbis_enc_t));  in startwrite()
331   vorbis_block_init(&ve->vd, &ve->vb);  in startwrite()
347   priv_t * vb = (priv_t *) ft->priv;  in write_samples()  local
348   vorbis_enc_t *ve = vb->vorbis_enc_data;  in write_samples()
363   while (vorbis_analysis_blockout(&ve->vd, &ve->vb) == 1) {  in write_samples()
365     vorbis_analysis(&ve->vb, &ve->op);  in write_samples()
366     vorbis_bitrate_addblock(&ve->vb);  in write_samples()
397   priv_t * vb = (priv_t *) ft->priv;  in stopwrite()  local
398   vorbis_enc_t *ve = vb->vorbis_enc_data;  in stopwrite()
404   vorbis_block_clear(&ve->vb);  in stopwrite()
413   priv_t * vb = (priv_t *) ft->priv;  in seek()  local
415   return ov_pcm_seek(vb->vf, (ogg_int64_t)(offset / ft->signal.channels))? SOX_EOF:SOX_SUCCESS;  in seek()