319    spx_int32_t dtx;  in sb_encode()  local
366    speex_encoder_ctl(st->st_low, SPEEX_GET_LOW_MODE, &dtx);  in sb_encode()
368    if (dtx==0)  in sb_encode()
369       dtx=1;  in sb_encode()
371       dtx=0;  in sb_encode()
426    if ((st->vbr_enabled || st->vad_enabled) && !dtx)  in sb_encode()
506       if (dtx)  in sb_encode()
513    if (dtx || st->submodes[st->submodeID] == NULL)  in sb_encode()
525       if (dtx)  in sb_encode()
835 static void sb_decode_lost(SBDecState *st, spx_word16_t *out, int dtx, char *stack)  in sb_decode_lost()  argument
840    if (dtx)  in sb_decode_lost()
852    if (!dtx)  in sb_decode_lost()
865    if (dtx)  in sb_decode_lost()
885    spx_int32_t dtx;  in sb_decode()  local
900    speex_decoder_ctl(st->st_low, SPEEX_GET_DTX_STATUS, &dtx);  in sb_decode()
910       sb_decode_lost(st, out, dtx, stack);  in sb_decode()
942       if (dtx)  in sb_decode()