73 static int startread(sox_format_t * ft)  in startread()  argument
84     priv_t * sk = (priv_t *) ft->priv;  in startread()
86     if (! ft->seekable)  in startread()
88         lsx_fail_errno(ft,SOX_EOF,"txw input file must be a file, not a pipe");  in startread()
93     while (lsx_read_b_buf(ft, &trash, (size_t) 1) == 1)  in startread()
96     lsx_seeki(ft, (off_t)0, 0);   /* rewind file */  in startread()
100     lsx_readchars(ft, filetype, sizeof(filetype) - 1);  in startread()
103         lsx_readb(ft, &trash);  in startread()
104     lsx_readsb(ft, &format);  in startread()
105     lsx_readb(ft, &sample_rate);  in startread()
111         lsx_readb(ft, &(gunk[c]));  in startread()
120         lsx_fail_errno(ft,SOX_EHDR,"Invalid filetype ID in input file header, != LM8953");  in startread()
129             ft->signal.rate = 1e5 / 3;  in startread()
132             ft->signal.rate = 1e5 / 2;  in startread()
135             ft->signal.rate = 1e5 / 6;  in startread()
143                         ft->signal.rate = 1e5 / 3;  in startread()
149                         ft->signal.rate = 1e5 / 2;  in startread()
155                         ft->signal.rate = 1e5 / 6;  in startread()
161                 ft->signal.rate = 1e5 / 3;  in startread()
164     lsx_debug("Sample rate = %g", ft->signal.rate);  in startread()
166     ft->signal.channels = 1 ; /* not sure about stereo sample data yet ??? */  in startread()
167     ft->encoding.bits_per_sample = 12;  in startread()
168     ft->encoding.encoding = SOX_ENCODING_SIGN2;  in startread()
180 static size_t read_samples(sox_format_t * ft, sox_sample_t *buf, size_t len)  in read_samples()  argument
182     priv_t * sk = (priv_t *) ft->priv;  in read_samples()
213         lsx_readb(ft, &uc1);  in read_samples()
214         lsx_readb(ft, &uc2);  in read_samples()
215         lsx_readb(ft, &uc3);  in read_samples()
230 static int startwrite(sox_format_t * ft)  in startwrite()  argument
232   priv_t * sk = (priv_t *) ft->priv;  in startwrite()
240     if (! ft->seekable)  in startwrite()
242         lsx_fail_errno(ft,SOX_EOF,"Output .txw file must be a file, not a pipe");  in startwrite()
249     lsx_writebuf(ft, &WH, (size_t) 32);  in startwrite()
254 static size_t write_samples(sox_format_t * ft, const sox_sample_t *buf, size_t len0)  in write_samples()  argument
256   priv_t * sk = (priv_t *) ft->priv;  in write_samples()
270       if (lsx_writesb(ft, (w1 >> 4) & 0xFF) ||  in write_samples()
271           lsx_writesb(ft, (((w1 & 0x0F) << 4) | (w2 & 0x0F)) & 0xFF) ||  in write_samples()
272           lsx_writesb(ft, (w2 >> 4) & 0xFF)) {  in write_samples()
287 static int stopwrite(sox_format_t * ft)  in stopwrite()  argument
289   priv_t * sk = (priv_t *) ft->priv;  in stopwrite()
295       write_samples(ft, &pad, (size_t) 1);  in stopwrite()
315     if (ft->signal.rate < 24000)      WH.sample_rate = 3;  in stopwrite()
316     else if (ft->signal.rate < 41000) WH.sample_rate = 1;  in stopwrite()
340             lsx_writeb(ft, 0);  in stopwrite()
341             lsx_writeb(ft, 0);  in stopwrite()
342             lsx_writeb(ft, 0);  in stopwrite()
350         lsx_writeb(ft, 0);  in stopwrite()
364     lsx_rewind(ft);  in stopwrite()
365     lsx_writebuf(ft, &WH, (size_t) 32);  in stopwrite()