snd_pcm_format_signed (9) Linux Manual Page
snd_pcm_format_signed – Check the PCM format is signed linear
Synopsis
int snd_pcm_format_signed(snd_pcm_format_t format);Arguments
format
-
- the format to check
Return
1 if the given PCM format is signed linear, 0 if unsigned linear, and a negative error code for non-linear formats.