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snd_pcm_playback_data
Langue: en
Version: June 2009 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
NAME
snd_pcm_playback_data - check whether any data exists on the playback bufferSYNOPSIS
- int snd_pcm_playback_data(struct snd_pcm_substream * substream);
ARGUMENTS
substream
- the pcm substream instance
DESCRIPTION
Checks whether any data exists on the playback buffer. If stop_threshold is bigger or equal to boundary, then this function returns always non-zero.
Returns non-zero if exists, or zero if not.
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