Changeset 3414:4c5cb34458dd in roaraudio for libroarpulse
- Timestamp:
- 02/11/10 17:41:38 (14 years ago)
- Branch:
- default
- Phase:
- public
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
libroarpulse/sample.c
r3413 r3414 39 39 #include <libroarpulse/libroarpulse.h> 40 40 41 /** Return the amount of bytes playback of a second of audio with the specified sample type takes */ 42 size_t pa_bytes_per_second(const pa_sample_spec *spec); 43 44 /** Return the size of a frame with the specific sample type */ 45 size_t pa_frame_size(const pa_sample_spec *spec); 46 47 /** Return the size of a sample with the specific sample type */ 48 size_t pa_sample_size(const pa_sample_spec *spec); 49 50 /** Calculate the time the specified bytes take to play with the specified sample type */ 51 pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec); 52 53 /** Calculates the number of bytes that are required for the specified time. \since 0.9 */ 54 size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec); 55 56 /** Return non-zero when the sample type specification is valid */ 57 int pa_sample_spec_valid(const pa_sample_spec *spec); 58 59 /** Return non-zero when the two sample type specifications match */ 60 int pa_sample_spec_equal(const pa_sample_spec*a, const pa_sample_spec*b); 61 62 /** Return a descriptive string for the specified sample format. \since 0.8 */ 63 const char *pa_sample_format_to_string(pa_sample_format_t f); 64 65 /** Parse a sample format text. Inverse of pa_sample_format_to_string() */ 66 pa_sample_format_t pa_parse_sample_format(const char *format); 67 68 /** Maximum required string length for pa_sample_spec_snprint() */ 69 #define PA_SAMPLE_SPEC_SNPRINT_MAX 32 70 71 /** Pretty print a sample type specification to a string */ 72 char* pa_sample_spec_snprint(char *s, size_t l, const pa_sample_spec *spec); 73 74 /** Pretty print a byte size value. (i.e. "2.5 MiB") */ 75 char* pa_bytes_snprint(char *s, size_t l, unsigned v); 76 41 77 //ll
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