6  * Header check improved, ADPCM encoding added, and other improvements
74   if (ft->encoding.encoding == SOX_ENCODING_ALAW)  in seek()
128   uint32_t len, listlen, encoding, repgap;  in startread()  local
158   lsx_readdw(ft, &encoding);  in startread()
159   lsx_debug("Encoding of samples: %x", encoding);  in startread()
160   if (encoding == 0)  in startread()
161     ft->encoding.encoding = SOX_ENCODING_ALAW;  in startread()
162   else if (encoding == 0x100001a1)  in startread()
163     ft->encoding.encoding = SOX_ENCODING_IMA_ADPCM;  in startread()
165     lsx_fail_errno(ft, SOX_EHDR, "Unrecognised encoding");  in startread()
196   if (ft->encoding.encoding == SOX_ENCODING_ALAW) {  in startread()
197     ft->encoding.bits_per_sample = 8;  in startread()
200   } else if (ft->encoding.encoding == SOX_ENCODING_IMA_ADPCM) {  in startread()
252   if (ft->encoding.encoding == SOX_ENCODING_IMA_ADPCM) {  in read_samples()
272       lsx_adpcm_reset(&p->adpcm, ft->encoding.encoding);  in read_samples()
290   if (ft->encoding.encoding == SOX_ENCODING_IMA_ADPCM)  in stopread()
309   if (ft->encoding.encoding == SOX_ENCODING_ALAW) {  in startwrite()
312   } else if (ft->encoding.encoding == SOX_ENCODING_IMA_ADPCM) {  in startwrite()
366   if (ft->encoding.encoding == SOX_ENCODING_IMA_ADPCM) {  in write_samples()
376       lsx_adpcm_reset(&p->adpcm, ft->encoding.encoding);  in write_samples()
418   if (ft->encoding.encoding == SOX_ENCODING_ALAW)  in prcwriteheader()