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pcm: document interaction of drain silence and sw silence parameter

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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.
This commit is contained in:
Zeno Endemann 2024-01-29 15:02:44 +01:00
parent 8476874843
commit 2a2c494513
1 changed files with 4 additions and 0 deletions
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4
src/pcm/pcm.c
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@ -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