25 #include <sys/types.h> 26 #include <sys/param.h> 29 #include <pulse/cdecl.h> 112 #if !defined(WORDS_BIGENDIAN) 114 #if defined(__BYTE_ORDER) 115 #if __BYTE_ORDER == __BIG_ENDIAN 116 #define WORDS_BIGENDIAN 121 #if defined(__sparc__) && defined(_BIG_ENDIAN) 122 #define WORDS_BIGENDIAN 128 #define PA_CHANNELS_MAX 32U 131 #define PA_RATE_MAX (48000U*8U) 185 #ifdef WORDS_BIGENDIAN 187 #define PA_SAMPLE_S16NE PA_SAMPLE_S16BE 189 #define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32BE 191 #define PA_SAMPLE_S32NE PA_SAMPLE_S32BE 193 #define PA_SAMPLE_S24NE PA_SAMPLE_S24BE 195 #define PA_SAMPLE_S24_32NE PA_SAMPLE_S24_32BE 198 #define PA_SAMPLE_S16RE PA_SAMPLE_S16LE 200 #define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32LE 202 #define PA_SAMPLE_S32RE PA_SAMPLE_S32LE 204 #define PA_SAMPLE_S24RE PA_SAMPLE_S24LE 206 #define PA_SAMPLE_S24_32RE PA_SAMPLE_S24_32LE 209 #define PA_SAMPLE_S16NE PA_SAMPLE_S16LE 211 #define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32LE 213 #define PA_SAMPLE_S32NE PA_SAMPLE_S32LE 215 #define PA_SAMPLE_S24NE PA_SAMPLE_S24LE 217 #define PA_SAMPLE_S24_32NE PA_SAMPLE_S24_32LE 220 #define PA_SAMPLE_S16RE PA_SAMPLE_S16BE 222 #define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32BE 224 #define PA_SAMPLE_S32RE PA_SAMPLE_S32BE 226 #define PA_SAMPLE_S24RE PA_SAMPLE_S24BE 228 #define PA_SAMPLE_S24_32RE PA_SAMPLE_S24_32BE 232 #define PA_SAMPLE_FLOAT32 PA_SAMPLE_FLOAT32NE 236 #define PA_SAMPLE_U8 PA_SAMPLE_U8 237 #define PA_SAMPLE_ALAW PA_SAMPLE_ALAW 238 #define PA_SAMPLE_ULAW PA_SAMPLE_ULAW 239 #define PA_SAMPLE_S16LE PA_SAMPLE_S16LE 240 #define PA_SAMPLE_S16BE PA_SAMPLE_S16BE 241 #define PA_SAMPLE_FLOAT32LE PA_SAMPLE_FLOAT32LE 242 #define PA_SAMPLE_FLOAT32BE PA_SAMPLE_FLOAT32BE 243 #define PA_SAMPLE_S32LE PA_SAMPLE_S32LE 244 #define PA_SAMPLE_S32BE PA_SAMPLE_S32BE 245 #define PA_SAMPLE_S24LE PA_SAMPLE_S24LE 246 #define PA_SAMPLE_S24BE PA_SAMPLE_S24BE 247 #define PA_SAMPLE_S24_32LE PA_SAMPLE_S24_32LE 248 #define PA_SAMPLE_S24_32BE PA_SAMPLE_S24_32BE 323 #define PA_SAMPLE_SPEC_SNPRINT_MAX 32 333 #define PA_BYTES_SNPRINT_MAX 11 348 #ifdef WORDS_BIGENDIAN 349 #define pa_sample_format_is_ne(f) pa_sample_format_is_be(f) 350 #define pa_sample_format_is_re(f) pa_sample_format_is_le(f) 355 #define pa_sample_format_is_ne(f) pa_sample_format_is_le(f) 359 #define pa_sample_format_is_re(f) pa_sample_format_is_be(f) const char * pa_sample_format_to_string(pa_sample_format_t f) PA_GCC_PURE
Return a descriptive string for the specified sample format.
A sample format and attribute specification.
Definition: sample.h:252
8 Bit a-Law
Definition: sample.h:138
int pa_sample_format_valid(unsigned format) PA_GCC_PURE
Return non-zero if the given integer is a valid sample format.
pa_sample_format_t pa_parse_sample_format(const char *format) PA_GCC_PURE
Parse a sample format text.
Signed 24 Bit PCM packed, little endian (PC).
Definition: sample.h:162
Signed 16 Bit PCM, big endian.
Definition: sample.h:147
pa_sample_format
Sample format.
Definition: sample.h:134
size_t pa_sample_size(const pa_sample_spec *spec) PA_GCC_PURE
Return the size of a sample with the specific sample type.
size_t pa_sample_size_of_format(pa_sample_format_t f) PA_GCC_PURE
Similar to pa_sample_size() but take a sample format instead of a full sample spec.
uint8_t channels
Audio channels.
Definition: sample.h:259
uint64_t pa_usec_t
Type for usec specifications (unsigned).
Definition: sample.h:264
enum pa_sample_format pa_sample_format_t
Sample format.
#define PA_GCC_PURE
This function's return value depends only the arguments list and global state.
Definition: gccmacro.h:73
int pa_channels_valid(uint8_t channels) PA_GCC_PURE
Return non-zero if the channel count is within the supported range.
uint32_t rate
The sample rate.
Definition: sample.h:256
Signed 24 Bit PCM in LSB of 32 Bit words, little endian (PC).
Definition: sample.h:168
int pa_sample_format_is_be(pa_sample_format_t f) PA_GCC_PURE
Returns 1 when the specified format is big endian, 0 when little endian.
int pa_sample_spec_equal(const pa_sample_spec *a, const pa_sample_spec *b) PA_GCC_PURE
Return non-zero when the two sample type specifications match.
int pa_sample_spec_valid(const pa_sample_spec *spec) PA_GCC_PURE
Return non-zero when the sample type specification is valid.
size_t pa_bytes_per_second(const pa_sample_spec *spec) PA_GCC_PURE
Return the amount of bytes that constitute playback of one second of audio, with the specified sample...
pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec) PA_GCC_PURE
Calculate the time it would take to play a buffer of the specified size with the specified sample typ...
An invalid value.
Definition: sample.h:181
Upper limit of valid sample types.
Definition: sample.h:178
8 Bit mu-Law
Definition: sample.h:141
32 Bit IEEE floating point, big endian, range -1.0 to 1.0
Definition: sample.h:153
Signed 16 Bit PCM, little endian (PC)
Definition: sample.h:144
pa_sample_spec * pa_sample_spec_init(pa_sample_spec *spec)
Initialize the specified sample spec and return a pointer to it.
Unsigned 8 Bit PCM.
Definition: sample.h:135
Signed 32 Bit PCM, little endian (PC)
Definition: sample.h:156
Signed 24 Bit PCM packed, big endian.
Definition: sample.h:165
Signed 24 Bit PCM in LSB of 32 Bit words, big endian.
Definition: sample.h:171
char * pa_bytes_snprint(char *s, size_t l, unsigned v)
Pretty print a byte size value (i.e. "2.5 MiB").
32 Bit IEEE floating point, little endian (PC), range -1.0 to 1.0
Definition: sample.h:150
int pa_sample_rate_valid(uint32_t rate) PA_GCC_PURE
Return non-zero if the rate is within the supported range.
size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) PA_GCC_PURE
Calculates the size of a buffer required, for playback duration of the time specified, with the specified sample type.
size_t pa_frame_size(const pa_sample_spec *spec) PA_GCC_PURE
Return the size of a frame with the specific sample type.
char * pa_sample_spec_snprint(char *s, size_t l, const pa_sample_spec *spec)
Pretty print a sample type specification to a string.
Signed 32 Bit PCM, big endian.
Definition: sample.h:159
pa_sample_format_t format
The sample format.
Definition: sample.h:253
struct pa_sample_spec pa_sample_spec
A sample format and attribute specification.
int pa_sample_format_is_le(pa_sample_format_t f) PA_GCC_PURE
Returns 1 when the specified format is little endian, 0 when big endian.