Scroll to navigation

SND_PCM_PLAYBACK_DAT(9) Sound Devices SND_PCM_PLAYBACK_DAT(9)

NAME

snd_pcm_playback_data - check whether any data exists on the playback buffer

SYNOPSIS

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.

COPYRIGHT

May 2024 Kernel Hackers Manual 2.6.