diff options
Diffstat (limited to 'servers/audio/audio_stream.cpp')
| -rw-r--r-- | servers/audio/audio_stream.cpp | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/servers/audio/audio_stream.cpp b/servers/audio/audio_stream.cpp index 7de0695e8c..02a0bed964 100644 --- a/servers/audio/audio_stream.cpp +++ b/servers/audio/audio_stream.cpp @@ -136,16 +136,20 @@ void AudioStreamPlaybackMicrophone::_mix_internal(AudioFrame *p_buffer, int p_fr Vector<int32_t> buf = AudioDriver::get_singleton()->get_input_buffer(); unsigned int input_size = AudioDriver::get_singleton()->get_input_size(); + int mix_rate = AudioDriver::get_singleton()->get_mix_rate(); + int playback_delay = MIN(((50 * mix_rate) / 1000) * 2, buf.size() >> 1); +#ifdef DEBUG_ENABLED + unsigned int input_position = AudioDriver::get_singleton()->get_input_position(); +#endif - // p_frames is multiplied by two since an AudioFrame is stereo - if ((p_frames + MICROPHONE_PLAYBACK_DELAY * 2) > input_size) { + if (playback_delay > input_size) { for (int i = 0; i < p_frames; i++) { p_buffer[i] = AudioFrame(0.0f, 0.0f); } input_ofs = 0; } else { for (int i = 0; i < p_frames; i++) { - if (input_size >= input_ofs) { + if (input_size > input_ofs) { float l = (buf[input_ofs++] >> 16) / 32768.f; if (input_ofs >= buf.size()) { input_ofs = 0; @@ -162,6 +166,12 @@ void AudioStreamPlaybackMicrophone::_mix_internal(AudioFrame *p_buffer, int p_fr } } +#ifdef DEBUG_ENABLED + if (input_ofs > input_position && (input_ofs - input_position) < (p_frames * 2)) { + print_verbose(String(get_class_name()) + " buffer underrun: input_position=" + itos(input_position) + " input_ofs=" + itos(input_ofs) + " input_size=" + itos(input_size)); + } +#endif + AudioDriver::get_singleton()->unlock(); } |