snd_pcm_format_signed()

Check for a signed format

Synopsis:

#include <sys/asoundlib.h>

int snd_pcm_format_signed( int format );

Arguments:

format: The format number (one of the SND_PCM_SFMT_* constants). For a list of the supported formats, see snd_pcm_get_format_name().

Library:

libasound.so

Description:

The snd_pcm_format_signed() function checks for a signed format.

Returns:

1: The format is signed.
0: The format is unsigned.

Otherwise, it returns a negative error code.

Errors:

-EINVAL: Invalid format with respect to sign.

Classification:

QNX Neutrino

Safety:
Cancellation point	No
Interrupt handler	No
Signal handler	Yes
Thread	Yes

See also:

snd_pcm_build_linear_format(), snd_pcm_format_big_endian(), snd_pcm_format_little_endian(), snd_pcm_format_size(), snd_pcm_format_unsigned(), snd_pcm_format_width(), snd_pcm_get_format_name()