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Caution: This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

snd_pcm_format_size()

Convert the size in the given samples to bytes

Synopsis:

#include <sys/asoundlib.h>

ssize_t snd_pcm_format_size( int format, 
                             size_t num_samples );

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().
num_samples
The number of samples for which you want to determine the size.

Library:

libasound.so

Description:

The snd_pcm_format_size() function calculates the size, in bytes, of num_samples samples of data in the given format.

Returns:

A positive value on success, or a negative error code.

Errors:

-EINVAL
Invalid format.

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_signed(), snd_pcm_format_unsigned(), snd_pcm_format_width(), snd_pcm_get_format_name()


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