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.TH "SND_PCM_PLAYBACK_EMPTY" "" "06 October 2005" "" ""

.SH NAME
snd_pcm_playback_empty \- check whether the playback buffer is empty
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int snd_pcm_playback_empty  (snd_pcm_substream_t * \fIsubstream\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIsubstream\fB\fR
the pcm substream instance
.SH "DESCRIPTION"
.PP
Checks whether the playback buffer is empty.
.PP
Returns non-zero if empty, or zero if not.