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Better speaker dumping

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tudnai 2022-06-20 12:13:58 -07:00
parent 0db4c01ebd
commit 20596f234f
1 changed files with 5 additions and 10 deletions
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15
src/dev/audio/speaker.c
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@ -209,23 +209,18 @@ FILE * spkr_debug_ema_file = NULL;
void spkr_fade(float fadeLevel, unsigned idx) {
// Fade
float fadeSlope = 8;
float fadeSlope = fadeLevel / ( SPKR_BUF_SLOT(1) / 2 ) - idx;
if ( fadeLevel < 0 ) {
fadeSlope = -fadeSlope;
}
while ( ( fabs(fadeLevel) > 1 ) && ( idx < spkr_buf_size ) ) {
spkr_samples[ idx++ ] = SPKR_LEVEL_ZERO + fadeLevel;
spkr_samples[ idx++ ] = SPKR_LEVEL_ZERO + fadeLevel; // stereo
while ( ( fabs(fadeLevel) >= fabs(fadeSlope) ) && ( idx < spkr_buf_size ) ) {
spkr_samples[ idx++ ] = fadeLevel;
spkr_samples[ idx++ ] = fadeLevel; // stereo
// how smooth we want the speeker to decay, so we will hear no pops and crackles
// fadeLevel *= 0.999;
fadeLevel -= fadeSlope;
}
// Fill with Zero to avoid pops
memset(spkr_samples + idx, 0, spkr_buf_size * sizeof(spkr_sample_t) * SPKR_CHANNELS);
memset(spkr_samples + idx, 0, SPKR_SLOT_SIZE(1));
}