From 2a2c4945132263d4b6fc130501a9240ae02f926f Mon Sep 17 00:00:00 2001 From: Zeno Endemann Date: Mon, 29 Jan 2024 15:02:44 +0100 Subject: [PATCH] pcm: document interaction of drain silence and sw silence parameter I'm not sure this is the best way to describe the interaction, but I think this needs to be mentioned in some form at least. --- src/pcm/pcm.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c index bd819a00..ab3bbda7 100644 --- a/src/pcm/pcm.c +++ b/src/pcm/pcm.c @@ -6895,6 +6895,10 @@ int snd_pcm_sw_params_get_silence_threshold(const snd_pcm_sw_params_t *params, s * underrun is nearer than silence threshold (see * #snd_pcm_sw_params_set_silence_threshold) * + * When drain silence (see #snd_pcm_hw_params_get_drain_silence) is disabled, + * this will also apply for draining, i.e. silence is written also when the + * drain end is nearer than the silence threshold. + * * The special case is when silence size value is equal or greater than * boundary. The unused portion of the ring buffer (initial written samples * are untouched) is filled with silence at start. Later, only just processed