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#ifndef foosamplehfoo
#define foosamplehfoo
/* $Id$ */
/***
This file is part of polypaudio.
polypaudio is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
polypaudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with polypaudio; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
#include <inttypes.h>
#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
enum pa_sample_format {
PA_SAMPLE_U8,
PA_SAMPLE_ALAW,
PA_SAMPLE_ULAW,
PA_SAMPLE_S16LE,
PA_SAMPLE_S16BE,
PA_SAMPLE_FLOAT32LE,
PA_SAMPLE_FLOAT32BE,
PA_SAMPLE_MAX
};
#ifdef WORDS_BIGENDIAN
#define PA_SAMPLE_S16NE PA_SAMPLE_S16BE
#define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32BE
#else
#define PA_SAMPLE_S16NE PA_SAMPLE_S16LE
#define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32LE
#endif
#define PA_SAMPLE_FLOAT32 PA_SAMPLE_FLOAT32NE
struct pa_sample_spec {
enum pa_sample_format format;
uint32_t rate;
uint8_t channels;
};
size_t pa_bytes_per_second(const struct pa_sample_spec *spec);
size_t pa_frame_size(const struct pa_sample_spec *spec);
uint32_t pa_bytes_to_usec(size_t length, const struct pa_sample_spec *spec);
int pa_sample_spec_valid(const struct pa_sample_spec *spec);
int pa_sample_spec_equal(const struct pa_sample_spec*a, const struct pa_sample_spec*b);
#define PA_SAMPLE_SNPRINT_MAX_LENGTH 32
void pa_sample_snprint(char *s, size_t l, const struct pa_sample_spec *spec);
#ifdef __cplusplus
}
#endif
#endif
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