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*4U)
181 #ifdef WORDS_BIGENDIAN
183 #define PA_SAMPLE_S16NE PA_SAMPLE_S16BE
185 #define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32BE
187 #define PA_SAMPLE_S32NE PA_SAMPLE_S32BE
189 #define PA_SAMPLE_S24NE PA_SAMPLE_S24BE
191 #define PA_SAMPLE_S24_32NE PA_SAMPLE_S24_32BE
194 #define PA_SAMPLE_S16RE PA_SAMPLE_S16LE
196 #define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32LE
198 #define PA_SAMPLE_S32RE PA_SAMPLE_S32LE
200 #define PA_SAMPLE_S24RE PA_SAMPLE_S24LE
202 #define PA_SAMPLE_S24_32RE PA_SAMPLE_S24_32LE
205 #define PA_SAMPLE_S16NE PA_SAMPLE_S16LE
207 #define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32LE
209 #define PA_SAMPLE_S32NE PA_SAMPLE_S32LE
211 #define PA_SAMPLE_S24NE PA_SAMPLE_S24LE
213 #define PA_SAMPLE_S24_32NE PA_SAMPLE_S24_32LE
216 #define PA_SAMPLE_S16RE PA_SAMPLE_S16BE
218 #define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32BE
220 #define PA_SAMPLE_S32RE PA_SAMPLE_S32BE
222 #define PA_SAMPLE_S24RE PA_SAMPLE_S24BE
224 #define PA_SAMPLE_S24_32RE PA_SAMPLE_S24_32BE
228 #define PA_SAMPLE_FLOAT32 PA_SAMPLE_FLOAT32NE
232 #define PA_SAMPLE_U8 PA_SAMPLE_U8
233 #define PA_SAMPLE_ALAW PA_SAMPLE_ALAW
234 #define PA_SAMPLE_ULAW PA_SAMPLE_ULAW
235 #define PA_SAMPLE_S16LE PA_SAMPLE_S16LE
236 #define PA_SAMPLE_S16BE PA_SAMPLE_S16BE
237 #define PA_SAMPLE_FLOAT32LE PA_SAMPLE_FLOAT32LE
238 #define PA_SAMPLE_FLOAT32BE PA_SAMPLE_FLOAT32BE
239 #define PA_SAMPLE_S32LE PA_SAMPLE_S32LE
240 #define PA_SAMPLE_S32BE PA_SAMPLE_S32BE
241 #define PA_SAMPLE_S24LE PA_SAMPLE_S24LE
242 #define PA_SAMPLE_S24BE PA_SAMPLE_S24BE
243 #define PA_SAMPLE_S24_32LE PA_SAMPLE_S24_32LE
244 #define PA_SAMPLE_S24_32BE PA_SAMPLE_S24_32BE
317 #define PA_SAMPLE_SPEC_SNPRINT_MAX 32
327 #define PA_BYTES_SNPRINT_MAX 11
340 #ifdef WORDS_BIGENDIAN
341 #define pa_sample_format_is_ne(f) pa_sample_format_is_be(f)
342 #define pa_sample_format_is_re(f) pa_sample_format_is_le(f)
346 #define pa_sample_format_is_ne(f) pa_sample_format_is_le(f)
349 #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:248
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:255
uint64_t pa_usec_t
Type for usec specifications (unsigned).
Definition: sample.h:260
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:252
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
Return 1 when the specified format is big endian, return -1 when endianness does not apply to this fo...
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 playback of a second of audio with the specified sample type takes...
pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec) PA_GCC_PURE
Calculate the time the specified bytes take to play with the specified sample type.
An invalid value.
Definition: sample.h:177
Upper limit of valid sample types.
Definition: sample.h:174
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 number of bytes that are required for the specified time.
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:249
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
Return 1 when the specified format is little endian, return -1 when endianness does not apply to this...