901 …                  int is_silence,                 /* only digital silence detected in this frame */  in decide_dtx_mode()  argument
907    if (!is_silence)  in decide_dtx_mode()
914          is_silence = peak_signal_energy >= (PSEUDO_SNR_THRESHOLD * noise_energy);  in decide_dtx_mode()
918    if (is_silence)  in decide_dtx_mode()
1103     int is_silence = 0;  in opus_encode_native()  local
1145           is_silence = 1;  in opus_encode_native()
1155        if (!is_silence && analysis_info.activity_probability > DTX_ACTIVITY_THRESHOLD)  in opus_encode_native()
1171     if (!is_silence)  in opus_encode_native()
1392        st->silk_mode.useDTX = st->use_dtx && !(analysis_info.valid || is_silence);  in opus_encode_native()
2145     if (st->use_dtx && (analysis_info.valid || is_silence))  in opus_encode_native()
2148              st->peak_signal_energy, pcm, frame_size, st->channels, is_silence, st->arch))  in opus_encode_native()