src/sample.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

#ifndef foosamplehfoo
#define foosamplehfoo

#include <inttypes.h>
#include <sys/types.h>

enum pa_sample_format {
    PA_SAMPLE_U8,
    PA_SAMPLE_ALAW,
    PA_SAMPLE_ULAW,
    PA_SAMPLE_S16LE,
    PA_SAMPLE_S16BE,
    PA_SAMPLE_FLOAT32,
    PA_SAMPLE_MAX
};

#define PA_SAMPLE_S16NE PA_SAMPLE_S16LE

struct pa_sample_spec {
    enum pa_sample_format format;
    uint32_t rate;
    uint8_t channels;
};

size_t pa_bytes_per_second(struct pa_sample_spec *spec);
size_t pa_sample_size(struct pa_sample_spec *spec);
uint32_t pa_samples_usec(size_t length, struct pa_sample_spec *spec);

int pa_sample_spec_valid(struct pa_sample_spec *spec);

#endif