00001 #ifndef foosamplehfoo
00002 #define foosamplehfoo
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00028 #include <inttypes.h>
00029 #include <sys/types.h>
00030 #include <math.h>
00031
00032 #include <pulse/cdecl.h>
00033
00105 PA_C_DECL_BEGIN
00106
00108 #define PA_CHANNELS_MAX 32
00109
00111 #define PA_RATE_MAX (48000*4)
00112
00114 typedef enum pa_sample_format {
00115 PA_SAMPLE_U8,
00116 PA_SAMPLE_ALAW,
00117 PA_SAMPLE_ULAW,
00118 PA_SAMPLE_S16LE,
00119 PA_SAMPLE_S16BE,
00120 PA_SAMPLE_FLOAT32LE,
00121 PA_SAMPLE_FLOAT32BE,
00122 PA_SAMPLE_S32LE,
00123 PA_SAMPLE_S32BE,
00124 PA_SAMPLE_MAX,
00125 PA_SAMPLE_INVALID = -1
00126 } pa_sample_format_t;
00127
00128 #ifdef WORDS_BIGENDIAN
00129
00130 #define PA_SAMPLE_S16NE PA_SAMPLE_S16BE
00131
00132 #define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32BE
00133
00134 #define PA_SAMPLE_S32NE PA_SAMPLE_S32BE
00135
00136 #define PA_SAMPLE_S16RE PA_SAMPLE_S16LE
00137
00138 #define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32LE
00139
00140 #define PA_SAMPLE_S32RE PA_SAMPLE_S32LE
00141 #else
00142
00143 #define PA_SAMPLE_S16NE PA_SAMPLE_S16LE
00144
00145 #define PA_SAMPLE_FLOAT32NE PA_SAMPLE_FLOAT32LE
00146
00147 #define PA_SAMPLE_S32NE PA_SAMPLE_S32LE
00148
00149 #define PA_SAMPLE_S16RE PA_SAMPLE_S16BE
00150
00151 #define PA_SAMPLE_FLOAT32RE PA_SAMPLE_FLOAT32BE
00152
00153 #define PA_SAMPLE_S32RE PA_SAMPLE_S32BE
00154 #endif
00155
00157 #define PA_SAMPLE_FLOAT32 PA_SAMPLE_FLOAT32NE
00158
00160 typedef struct pa_sample_spec {
00161 pa_sample_format_t format;
00162 uint32_t rate;
00163 uint8_t channels;
00164 } pa_sample_spec;
00165
00167 typedef uint64_t pa_usec_t;
00168
00170 size_t pa_bytes_per_second(const pa_sample_spec *spec) PA_GCC_PURE;
00171
00173 size_t pa_frame_size(const pa_sample_spec *spec) PA_GCC_PURE;
00174
00176 size_t pa_sample_size(const pa_sample_spec *spec) PA_GCC_PURE;
00177
00179 pa_usec_t pa_bytes_to_usec(uint64_t length, const pa_sample_spec *spec) PA_GCC_PURE;
00180
00182 size_t pa_usec_to_bytes(pa_usec_t t, const pa_sample_spec *spec) PA_GCC_PURE;
00183
00185 int pa_sample_spec_valid(const pa_sample_spec *spec) PA_GCC_PURE;
00186
00188 int pa_sample_spec_equal(const pa_sample_spec*a, const pa_sample_spec*b) PA_GCC_PURE;
00189
00191 const char *pa_sample_format_to_string(pa_sample_format_t f) PA_GCC_PURE;
00192
00194 pa_sample_format_t pa_parse_sample_format(const char *format) PA_GCC_PURE;
00195
00197 #define PA_SAMPLE_SPEC_SNPRINT_MAX 32
00198
00200 char* pa_sample_spec_snprint(char *s, size_t l, const pa_sample_spec *spec);
00201
00203 char* pa_bytes_snprint(char *s, size_t l, unsigned v);
00204
00205 PA_C_DECL_END
00206
00207 #endif