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other versions
- wheezy 3.2.78-1
| 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 bufferSYNOPSIS¶
int
snd_pcm_playback_data(struct snd_pcm_substream * substream);
ARGUMENTS¶
substreamthe 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¶
| March 2016 | Kernel Hackers Manual 3.2. |