code.delx.au - pulseaudio/blob - src/sample.h

   1 #ifndef foosamplehfoo
   2 #define foosamplehfoo
   3
   4 #include <inttypes.h>
   5 #include <sys/types.h>
   6
   7 enum pa_sample_format {
   8     PA_SAMPLE_U8,
   9     PA_SAMPLE_ALAW,
  10     PA_SAMPLE_ULAW,
  11     PA_SAMPLE_S16LE,
  12     PA_SAMPLE_S16BE,
  13     PA_SAMPLE_FLOAT32,
  14     PA_SAMPLE_MAX
  15 };
  16
  17 #define PA_SAMPLE_S16NE PA_SAMPLE_S16LE
  18
  19 struct pa_sample_spec {
  20     enum pa_sample_format format;
  21     uint32_t rate;
  22     uint8_t channels;
  23 };
  24
  25 size_t pa_bytes_per_second(struct pa_sample_spec *spec);
  26 size_t pa_sample_size(struct pa_sample_spec *spec);
  27 uint32_t pa_samples_usec(size_t length, struct pa_sample_spec *spec);
  28
  29 int pa_sample_spec_valid(struct pa_sample_spec *spec);
  30
  31 #endif