1 /* libSoX lpc-10 format.
123   priv_t * lpc = (priv_t *)ft->priv;  in startread()  local
125   if ((lpc->decst = create_lpc10_decoder_state()) == NULL) {  in startread()
129   lpc->samples = LPC10_SAMPLES_PER_FRAME;  in startread()
135   priv_t * lpc = (priv_t *)ft->priv;  in startwrite()  local
137   if ((lpc->encst = create_lpc10_encoder_state()) == NULL) {  in startwrite()
141   lpc->samples = 0;  in startwrite()
148   priv_t * lpc = (priv_t *)ft->priv;  in read_samples()  local
154     if (lpc->samples == LPC10_SAMPLES_PER_FRAME) {  in read_samples()
160       lpc10_decode(bits, lpc->speech, lpc->decst);  in read_samples()
161       lpc->samples = 0;  in read_samples()
164     while (nread < len && lpc->samples < LPC10_SAMPLES_PER_FRAME)  in read_samples()
165       buf[nread++] = SOX_FLOAT_32BIT_TO_SAMPLE(lpc->speech[lpc->samples++], ft->clips);  in read_samples()
173   priv_t * lpc = (priv_t *)ft->priv;  in write_samples()  local
177     while (len > 0 && lpc->samples < LPC10_SAMPLES_PER_FRAME) {  in write_samples()
179       lpc->speech[lpc->samples++] = SOX_SAMPLE_TO_FLOAT_32BIT(buf[nwritten++], ft->clips);  in write_samples()
183     if (lpc->samples == LPC10_SAMPLES_PER_FRAME) {  in write_samples()
186       lpc10_encode(lpc->speech, bits, lpc->encst);  in write_samples()
188       lpc->samples = 0;  in write_samples()
197   priv_t * lpc = (priv_t *)ft->priv;  in stopread()  local
199   free(lpc->decst);  in stopread()
206   priv_t * lpc = (priv_t *)ft->priv;  in stopwrite()  local
208   free(lpc->encst);  in stopwrite()
215   static char const * const names[] = {"lpc10", "lpc", NULL};  in LSX_FORMAT_HANDLER()