Hello, I am using record.cpp demo to develop record sound function, the record code is right running and my headphone also and listen playback, but, these is a serious problem, the playback sound is about 10% delay compare to my recording voice, it result in my record music experience is disorder, some relate code is underline:
lastPlayPos = playPos;
samplesPlayed += playDelta;
/*
Compensate for any drift.
*/
int latency = samplesRecorded - samplesPlayed;
actualLatency = (0.97f * actualLatency) + (0.03f * latency);
int playbackRate = nativeRate;
if (actualLatency < (int) (adjustedLatency - driftThreshold)) {
/* Play position is catching up to the record position, slow playback down by 2% */
playbackRate = nativeRate - (nativeRate / 50);
} else if (actualLatency > (int) (adjustedLatency + driftThreshold)) {
/* Play position is falling behind the record position, speed playback up by 2% */
playbackRate = nativeRate + (nativeRate / 50);
}
channel->setFrequency((float) playbackRate);
ERRCHECK(result);
Is someone has met such problem? hope you can tell me how to adjust the playback delay, it is appreciateļ¼