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Fix: increase ALSA buffer size to reduce audio crackling 

Increase buffer from 80ms (4 periods) to 240ms (12 periods) for
better jitter tolerance on USB gadget audio capture.
This commit is contained in:
Alex P 2025-11-17 13:50:21 +02:00
parent 400b3473ae
commit 17f52414ac
1 changed files with 1 additions and 1 deletions
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internal/audio/c/audio.c
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@ -288,7 +288,7 @@ static int configure_alsa_device(snd_pcm_t *handle, const char *device_name) {
err = snd_pcm_hw_params_set_period_size_near(handle, params, &period_size, 0);
if (err < 0) return err;
snd_pcm_uframes_t buffer_size = period_size * 4; // 4 periods = 80ms buffer for stability
snd_pcm_uframes_t buffer_size = period_size * 12; // 12 periods = 240ms buffer for better jitter tolerance
err = snd_pcm_hw_params_set_buffer_size_near(handle, params, &buffer_size);
if (err < 0) return err;